/* ==========================================================================
   1. RESET & BASE
   ========================================================================== */

* { margin: 0; padding: 0; box-sizing: border-box; }

/* ==========================================================================
   THEME VARIABLES
   ========================================================================== */

:root {
    --bg-body: #E2E8F0;
    --bg-app: #F0F4F8;
    --bg-card: #FFFFFF;
    --bg-input: #EDF2F7;
    --bg-hover: rgba(59, 130, 246, 0.08);
    --text-primary: #1A202C;
    --text-secondary: #4A5568;
    --text-muted: #A0AEC0;
    --border-color: #E2E8F0;
    --popup-bg: #FFFFFF;

    --brand-primary: #3B82F6;
    --brand-primary-dark: #2563EB;

    --bg-placeholder: #E2E8F0;
    --border-interactive: #CBD5E0;
    --border-focus: #3B82F6;

    --color-success: #34D399;
    --color-success-dark: #10B981;
    --color-error: #EF4444;
    --color-error-dark: #DC2626;
    --color-warning: #FBBF24;
    --color-warning-dark: #D97706;
    --color-learning: #3B82F6;
    --color-purple: #8B5CF6;
    --color-purple-dark: #7C3AED;
    --color-teal: #06B6D4;
    --color-teal-dark: #0891B2;

    --reader-bg: #FFFFFF;
    --reader-nav-bg: rgba(0,0,0,0.04);
    --reader-nav-hover: rgba(0,0,0,0.08);
}

[data-theme="dark"] {
    --bg-body: #0f0f23;
    --bg-app: #1a1a2e;
    --bg-card: #16213e;
    --bg-input: rgba(255,255,255,0.06);
    --bg-hover: rgba(255,255,255,0.1);
    --text-primary: #e0e0e0;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    --border-color: rgba(255,255,255,0.08);
    --popup-bg: #1e1e3a;

    --brand-primary: #667eea;
    --brand-primary-dark: #764ba2;

    --bg-placeholder: #1a202c;
    --border-interactive: #2d3748;
    --border-focus: #667eea;

    --color-success: #48bb78;
    --color-success-dark: #38a169;
    --color-error: #f56565;
    --color-error-dark: #c53030;
    --color-warning: #ecc94b;
    --color-warning-dark: #d69e2e;
    --color-learning: #667eea;
    --color-purple: #764ba2;
    --color-purple-dark: #6b46c1;
    --color-teal: #38b2ac;
    --color-teal-dark: #319795;

    --reader-bg: #0f0f23;
    --reader-nav-bg: rgba(255,255,255,0.06);
    --reader-nav-hover: rgba(255,255,255,0.12);
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

/* ==========================================================================
   2. LAYOUT — App container, header, content
   ========================================================================== */

#app {
    width: 100%;
    max-width: 600px;
    height: 100vh;
    background: var(--bg-app);
    border-radius: 0;
    box-shadow: none;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
}

.header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 20px;
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.header-title {
    flex: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header .back-btn {
    background: var(--bg-hover);
    border: none;
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    border-radius: 16px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.header .back-btn:hover { background: var(--border-color); }

.content {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    text-align: center;
    padding: 8px 0;
}

.home-activities {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.home-activities .btn {
    background: var(--bg-card);
    color: var(--text-primary);
    flex-direction: column;
    align-items: flex-start;
    padding: 14px;
    height: auto;
    min-height: 70px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    gap: 6px;
    font-size: 13px;
}

.home-activities .btn svg {
    color: var(--brand-primary);
}

.home-activities .btn:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    transform: none;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

.app-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.content-aside {
    display: none;
}

/* --- Learning Progress --- */

.learning-progress {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    padding: 16px;
}

.learning-progress-title {
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.learning-progress-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: Inter, system-ui, sans-serif;
    font-size: 13px;
    font-weight: normal;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.learning-progress-total-value {
    font-family: Inter, system-ui, sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.learning-progress-bar {
    display: flex;
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.learning-progress-bar-segment {
    height: 100%;
    transition: width 0.3s;
}

.learning-progress-bar-segment.mastered { background: var(--color-success-dark); }
.learning-progress-bar-segment.reviewed { background: var(--color-success); }
.learning-progress-bar-segment.learning { background: var(--brand-primary); }
.learning-progress-bar-segment.due { background: var(--color-warning); }

.learning-progress-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-bottom: 14px;
}

.learning-progress-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

.learning-progress-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.learning-progress-dot.mastered { background: var(--color-success-dark); }
.learning-progress-dot.reviewed { background: var(--color-success); }
.learning-progress-dot.learning { background: var(--brand-primary); }
.learning-progress-dot.due { background: var(--color-warning); }
.learning-progress-dot.new-word { background: var(--bg-input); }

.learning-progress-legend-label {
    color: var(--text-secondary);
}

.learning-progress-legend-value {
    font-weight: 600;
    color: var(--text-primary);
}

.learning-progress-metrics {
    display: flex;
    gap: 4px;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.learning-progress-metric {
    flex: 1;
    text-align: center;
}

.learning-progress-metric-value {
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.learning-progress-metric-label {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 1px;
}

.learning-progress-streak-icon {
    display: inline-flex;
}

.learning-progress-metric-value.streak-bolt {
    color: var(--color-warning);
}

.learning-progress-metric-value.streak-fist {
    color: var(--color-warning-dark);
}

.learning-progress-metric-value.streak-fire {
    color: var(--color-error);
}

.content-aside-mobile-visible {
    display: flex;
    flex-direction: column;
    gap: 16px;
    order: -1;
}

/* --- App Navigation (bottom bar на мобильных, sidebar на десктопе) --- */

.app-nav {
    display: flex;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 6px 0;
    padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
    flex-shrink: 0;
    order: 1;
}

.app-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 11px;
    font-family: inherit;
    transition: color 0.15s;
}

.app-nav-item.active {
    color: var(--brand-primary);
}

.app-nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 24px;
}

.app-nav-label {
    line-height: 1;
}

.app-nav-items {
    display: contents;
}

.app-nav-logo {
    display: none;
}

.app-nav-profile {
    display: none;
}

.app-main {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

/* ==========================================================================
   3. SHARED — Buttons, cards, forms, animations
   ========================================================================== */

.btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
    height: 52px;
    border: none;
    border-radius: 14px;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    color: white;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.btn:active { transform: translateY(0); }
.btn svg { flex-shrink: 0; }

.btn-group-block {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 12px;
}
.btn-group-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.btn-group {
    display: flex;
    gap: 10px;
}
.btn-group-item {
    flex: 1;
    justify-content: center;
    height: 48px;
    font-size: 13px;
}

.btn-blue { background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark)); }
.btn-purple { background: linear-gradient(135deg, var(--color-purple), var(--color-purple-dark)); }
.btn-green { background: linear-gradient(135deg, var(--color-success), var(--color-success-dark)); }
.btn-orange { background: linear-gradient(135deg, var(--color-warning), var(--color-warning-dark)); }
.btn-red { background: linear-gradient(135deg, var(--color-error), var(--color-error-dark)); }
.btn-teal { background: linear-gradient(135deg, var(--color-teal), var(--color-teal-dark)); }

.rw-translation {
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    color: white;
    padding: 16px 0;
}

.cb-latin-word {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    color: white;
}

.cb-russian {
    font-size: 18px;
    text-align: center;
    color: var(--text-secondary);
}

.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.card-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
    color: var(--text-secondary);
}

.form-input {
    background: var(--bg-card);
    border: 1px solid var(--border-interactive);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}
.form-input:focus { border-color: var(--brand-primary); }

.form-textarea {
    resize: vertical;
    min-height: 60px;
    font-family: inherit;
}

.image-dropzone {
    border: 2px dashed var(--border-interactive);
    border-radius: 10px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    position: relative;
    min-height: 80px;
}
.image-dropzone:hover {
    border-color: var(--text-muted);
    background: rgba(45, 55, 72, 0.3);
}
.image-dropzone-active {
    border-color: var(--brand-primary);
    background: rgba(59, 130, 246, 0.08);
}
.image-dropzone-has-image {
    padding: 8px;
    border-style: solid;
    border-color: var(--border-interactive);
}
.image-dropzone-icon {
    margin-bottom: 8px;
    opacity: 0.5;
}
.image-dropzone-text {
    font-size: 13px;
    color: var(--text-muted);
}
.image-dropzone-preview {
    max-width: 100%;
    max-height: 160px;
    border-radius: 6px;
    object-fit: contain;
}
.image-dropzone-remove {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.6);
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    line-height: 1;
}
.image-dropzone-remove:hover {
    background: rgba(245, 101, 101, 0.8);
}

/* --- Autocomplete dropdown --- */

.ac-wrapper {
    position: relative;
}

.ac-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-interactive);
    border-radius: 10px;
    z-index: 50;
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.ac-scroll {
    max-height: 240px;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 4px 0;
}

/* Custom scrollbar */
.ac-scroll::-webkit-scrollbar {
    width: 6px;
}
.ac-scroll::-webkit-scrollbar-track {
    background: transparent;
}
.ac-scroll::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}
.ac-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--brand-primary);
}

.ac-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    font-size: 15px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.12s;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.ac-item:active {
    background: var(--border-interactive);
}

.ac-item--active {
    background: var(--border-interactive);
}

.ac-item--exists {
    color: var(--color-success);
}

.ac-item--exists .ac-item-badge {
    font-size: 12px;
    color: var(--color-success);
    margin-left: 8px;
    flex-shrink: 0;
}

.ac-item-word {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Touch-friendly: larger targets on mobile */
@media (pointer: coarse) {
    .ac-item {
        padding: 14px 16px;
        font-size: 16px;
        min-height: 48px;
    }
    .ac-scroll {
        max-height: 280px;
    }
}

@media (hover: hover) {
    .ac-item:hover {
        background: var(--border-interactive);
    }
}

.translate-input-wrapper {
    position: relative;
}
.translate-spinner {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid var(--text-muted);
    border-top-color: var(--color-success);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin {
    to { transform: translateY(-50%) rotate(360deg); }
}

.translit-preview {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
    min-height: 18px;
}

.screen-enter-active { animation: slideIn 0.25s ease-out; }

@keyframes slideIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

.fab {
    position: absolute;
    bottom: 24px;
    right: 24px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    color: white;
    font-size: 28px;
    font-weight: 300;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
    transition: transform 0.15s, box-shadow 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.fab:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(59, 130, 246, 0.5); }
.fab-train { right: 84px; }

.pagination {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 8px;
}
.pagination .btn {
    flex: none;
    padding: 10px 20px;
    font-size: 14px;
}
.pagination .btn:disabled {
    opacity: 0.4;
    cursor: default;
    transform: none;
    box-shadow: none;
}
.pagination-info {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

/* ==========================================================================
   4. COMPONENTS — Tabs, language picker
   ========================================================================== */

/* --- Tabs --- */

.tab-bar {
    display: flex;
    background: var(--bg-card);
    padding: 0 20px;
    margin: -24px -24px 0 -24px;
}

.tab-btn {
    flex: 1;
    height: 44px;
    border: none;
    border-bottom: 2px solid transparent;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    background: transparent;
    color: var(--text-muted);
    transition: color 0.2s, border-color 0.2s;
}
.tab-btn.active {
    color: var(--brand-primary);
    font-weight: 600;
    border-bottom-color: var(--brand-primary);
}

/* --- Language picker --- */

.lang-picker {
    position: relative;
    margin-left: auto;
}

.lang-picker-btn {
    background: var(--bg-hover);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 16px;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.lang-picker-btn:hover { background: var(--border-color); }

.lang-picker-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 6px;
    background: var(--bg-app);
    border: 1px solid var(--border-interactive);
    border-radius: 10px;
    overflow: hidden;
    z-index: 100;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.lang-picker-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    cursor: pointer;
    font-size: 14px;
    white-space: nowrap;
    transition: background 0.15s;
}
.lang-picker-option:hover { background: var(--border-interactive); }
.lang-picker-option.active { background: var(--border-interactive); }

.lang-flag-img {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
    vertical-align: middle;
}


/* ==========================================================================
   5. SCREEN — Dictionary
   ========================================================================== */

.dict-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dict-item {
    padding: 16px 18px 12px 22px;
    background: var(--bg-card);
    border-radius: 14px;
    font-size: 15px;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

/* Colored left status bar */
.dict-status-bar {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 5px;
    border-radius: 14px 0 0 14px;
    cursor: pointer;
}

.dict-img-area {
    width: 100px;
    min-width: 100px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-placeholder);
    border-radius: 8px;
    overflow: hidden;
}

.dict-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.dict-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    min-width: 0;
}

.dict-word {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    word-break: break-word;
    line-height: 1.3;
}
.dict-word-alt {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 15px;
}

.dict-translation {
    font-size: 15px;
    color: var(--text-secondary);
    word-break: break-word;
    line-height: 1.3;
}

.dict-context {
    font-size: 13px;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 2px;
}

/* --- Dictionary search bar --- */

.dict-search-wrap {
    position: relative;
}

.dict-search {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-interactive);
    border-radius: 10px;
    padding: 10px 36px 10px 14px;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
}
.dict-search:focus { border-color: var(--brand-primary); }
.dict-search::placeholder { color: var(--text-muted); }

.dict-search-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 2px 6px;
    line-height: 1;
}
.dict-search-clear:hover { color: var(--text-primary); }

/* --- Dictionary category chips --- */

.dict-cat-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}

.dict-cat-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--brand-primary);
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 12px;
    white-space: nowrap;
}

.dict-cat-chip-x {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 15px;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
}
.dict-cat-chip-x:hover { color: var(--color-error); }

/* --- Category management modal --- */

.cat-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.cat-modal {
    background: var(--bg-app);
    border: 1px solid var(--border-interactive);
    border-radius: 16px;
    padding: 20px;
    max-width: 340px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cat-modal-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.cat-modal-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-height: 300px;
    overflow-y: auto;
}

.cat-modal-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
    transition: background 0.15s;
}
.cat-modal-item:hover { background: var(--border-interactive); }

.cat-modal-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.cat-modal-close {
    padding: 10px 20px !important;
    font-size: 14px !important;
    align-self: stretch;
}

/* --- Dictionary card expand --- */

.dict-card-row {
    display: flex;
    flex-direction: row;
    gap: 14px;
    align-items: center;
}

.dict-expand-grid {
    display: grid;
    grid-template-columns: auto auto;
    gap: 8px 20px;
    font-size: 14px;
    width: 100%;
}

.dict-audio-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    padding: 2px 4px;
    margin-left: 4px;
    opacity: 0.6;
    transition: opacity 0.15s;
    vertical-align: middle;
}
.dict-audio-btn:hover { opacity: 1; }

.dict-stat-label { color: var(--text-secondary); }
.dict-stat-value { color: var(--text-primary); font-weight: 600; }

.dict-expand-stats {
    border-top: 1px solid var(--border-interactive);
    margin-top: 10px;
    padding-top: 10px;
}

/* --- Dictionary status tooltip --- */

.dict-status-tooltip {
    position: absolute;
    top: 10px;
    left: 16px;
    background: var(--border-interactive);
    color: var(--text-primary);
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 6px;
    z-index: 10;
    white-space: nowrap;
    pointer-events: auto;
}

/* --- Dictionary action toolbar --- */

.dict-toolbar {
    display: flex;
    gap: 4px;
    justify-content: flex-end;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}

.dict-toolbar-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-hover);
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
    padding: 0;
}
.dict-toolbar-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.dict-toolbar-btn-delete:hover {
    background: rgba(245, 101, 101, 0.15);
    color: var(--color-error);
}
.dict-toolbar-icon {
    font-size: 18px;
    line-height: 1;
}

/* --- Dictionary confirm bar --- */

.dict-confirm-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(245, 101, 101, 0.15);
    border-radius: 0 0 14px 14px;
    padding: 10px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--color-error);
    z-index: 10;
}

.dict-confirm-yes, .dict-confirm-no {
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
}

.dict-confirm-yes { color: var(--color-error); }
.dict-confirm-yes:hover { background: rgba(245, 101, 101, 0.2); }

.dict-confirm-no { color: var(--text-secondary); }
.dict-confirm-no:hover { background: var(--bg-hover); }

/* --- Dictionary inline edit form --- */

.dict-edit-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    padding: 4px 0;
}
.dict-edit-form .form-input {
    padding: 6px 10px;
    font-size: 13px;
}

.dict-edit-actions {
    display: flex;
    gap: 8px;
}

.dict-edit-save {
    padding: 6px 14px !important;
    font-size: 13px !important;
    border-radius: 6px !important;
}

.dict-edit-cancel {
    padding: 6px 14px !important;
    font-size: 13px !important;
    border-radius: 6px !important;
    background: var(--border-interactive) !important;
}

/* ==========================================================================
   6. SCREEN — Quiz
   ========================================================================== */

.quiz-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.quiz-score {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-secondary);
    padding: 0 4px;
}
.quiz-score-correct {
    color: var(--color-success);
    font-weight: 600;
}

.quiz-timer-bar {
    height: 6px;
    border-radius: 3px;
    background: var(--border-interactive);
    overflow: hidden;
}

.quiz-timer-bar-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-primary-dark));
    border-radius: 3px;
    transition: width 0.1s linear;
}

.quiz-question {
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    padding: 16px 0;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    word-break: break-word;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quiz-option {
    padding: 14px 18px;
    border: 2px solid var(--border-interactive);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 15px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    text-align: left;
}
.quiz-option:hover { border-color: var(--brand-primary); }

.quiz-option.correct {
    border-color: var(--color-success);
    background: rgba(72, 187, 120, 0.15);
    color: var(--color-success);
}
.quiz-option.wrong {
    border-color: var(--color-error);
    background: rgba(245, 101, 101, 0.15);
    color: var(--color-error);
}
.quiz-option.disabled {
    cursor: default;
    pointer-events: none;
}

.quiz-skip {
    padding: 10px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    text-align: center;
    transition: color 0.15s;
}
.quiz-skip:hover { color: var(--text-secondary); }

.quiz-result {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.quiz-result-score {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-primary), #60A5FA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.quiz-result-label {
    font-size: 16px;
    color: var(--text-secondary);
}

.quiz-result-actions {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.quiz-warning {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
}

/* Спиннер предзагрузки TTS */
.preload-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--brand-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --- Quiz answer card --- */

.quiz-answer-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    margin-top: 8px;
}

.quiz-answer-img {
    max-width: 100%;
    max-height: 120px;
    border-radius: 8px;
    object-fit: contain;
}

.quiz-answer-word {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

.quiz-answer-alt {
    font-size: 15px;
    color: var(--text-muted);
}

.quiz-answer-translation {
    font-size: 16px;
    color: var(--text-secondary);
}

.quiz-answer-context {
    font-size: 14px;
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
}

.quiz-next-btn {
    margin-top: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   7. SCREEN — Vocabulary
   ========================================================================== */

.vocab-count-display {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.vocab-count-number {
    font-size: 72px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--brand-primary), #60A5FA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   8. SCREEN — Import
   ========================================================================== */

.import-message {
    text-align: center;
    padding: 12px;
    border-radius: 10px;
    font-size: 15px;
}
.import-success {
    background: rgba(72, 187, 120, 0.15);
    color: var(--color-success);
}
.import-error {
    background: rgba(245, 101, 101, 0.15);
    color: var(--color-error);
}

.import-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
}
.import-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.import-result {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.import-stats {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.import-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
    padding: 16px 8px;
    background: var(--bg-card);
    border-radius: 10px;
}

.import-stat-number {
    font-size: 32px;
    font-weight: 700;
}
.import-stat-added { color: var(--color-success); }
.import-stat-skipped { color: var(--color-warning); }
.import-stat-errors { color: var(--color-error); }

.import-stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ==========================================================================
   9. SCREEN — Sync
   ========================================================================== */

.sync-status {
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sync-status-ok {
    background: rgba(72, 187, 120, 0.12);
    border: 1px solid rgba(72, 187, 120, 0.3);
}

.sync-status-error {
    background: rgba(245, 101, 101, 0.12);
    border: 1px solid rgba(245, 101, 101, 0.3);
    color: var(--color-error);
}

.sync-log {
    margin-top: 10px;
    max-height: 200px;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 12px;
    font-family: monospace;
    color: var(--text-secondary);
}
.sync-log-line {
    padding: 2px 0;
    border-bottom: 1px solid var(--border-color);
}
.sync-log-line:last-child {
    border-bottom: none;
}

.sync-space-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 14px;
    color: var(--text-secondary);
}

.sync-space-bar {
    height: 8px;
    border-radius: 4px;
    background: var(--border-interactive);
    overflow: hidden;
    margin-top: 8px;
}

.sync-space-bar-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-primary-dark));
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* ==========================================================================
   10. SCREEN — Word Builder
   ========================================================================== */

.wb-progress {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
}

.wb-image {
    display: flex;
    justify-content: center;
}
.wb-image img {
    max-width: 100%;
    max-height: 120px;
    border-radius: 8px;
    object-fit: contain;
}

.wb-translation {
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    padding: 8px 0;
}

.wb-assembled {
    display: flex;
    justify-content: center;
    gap: 4px;
    font-size: 24px;
    font-weight: 600;
    min-height: 40px;
    letter-spacing: 2px;
}

.wb-assembled-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 40px;
    color: var(--text-primary);
    text-transform: uppercase;
}
.wb-assembled-letter.correct { color: var(--color-success); }
.wb-assembled-letter.wrong { color: var(--color-error); }

.wb-assembled-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 40px;
    color: var(--text-muted);
}

.wb-letters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    padding: 8px 0;
}

.wb-letter {
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border: 2px solid var(--border-interactive);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    transition: border-color 0.15s, background 0.15s, opacity 0.3s;
}
.wb-letter:hover { border-color: var(--brand-primary); }

.wb-letter.used {
    opacity: 0.2;
    pointer-events: none;
}
.wb-letter.shake {
    animation: wb-shake 0.4s ease;
    border-color: var(--color-error);
    background: rgba(245, 101, 101, 0.15);
}
.wb-letter.correct {
    border-color: var(--color-success);
    background: rgba(72, 187, 120, 0.15);
}

@keyframes wb-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.wb-feedback {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    padding: 8px;
}
.wb-feedback-correct { color: var(--color-success); }

.wb-result-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
}

.wb-result-word {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-error);
}

.wb-result-translation {
    font-size: 16px;
    color: var(--text-secondary);
}

.wb-result-img {
    max-width: 100%;
    max-height: 120px;
    border-radius: 8px;
    object-fit: contain;
}

.wb-result-context {
    font-size: 14px;
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
}

.wb-result-card-correct {
    border: 1px solid rgba(72, 187, 120, 0.3);
}

/* ==========================================================================
   11. SCREEN — Categories
   ========================================================================== */

.cat-create-btn {
    width: 100%;
    padding: 14px;
    border: 2px dashed var(--text-muted);
    border-radius: 12px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
}
.cat-create-btn:hover {
    border-color: var(--brand-primary);
    color: var(--text-primary);
}

.cat-create-form {
    padding: 20px;
}

.cat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    max-height: 380px;
    overflow-y: auto;
}

.cat-card {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.cat-card-clickable {
    cursor: pointer;
    transition: opacity 0.15s;
}
.cat-card-clickable:hover {
    opacity: 0.85;
}

.cat-card-img-area {
    height: 120px;
    background: var(--bg-placeholder);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cat-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cat-card-name {
    padding: 10px 12px 4px;
    font-weight: 600;
    text-align: center;
    font-size: 14px;
}
.cat-card-stats {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 0 12px 10px;
    font-size: 12px;
    opacity: 0.7;
}
.cat-stat::before { content: '📚 '; }
.cat-stat-not-studied::before { content: '📖 '; }
.cat-stat-not-studied { color: var(--color-warning); }

.cat-card-actions {
    position: absolute;
    top: 6px;
    right: 6px;
    display: flex;
    gap: 4px;
}

.cat-action-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: rgba(0,0,0,0.5);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: background 0.15s;
}
.cat-action-btn:hover { background: rgba(0,0,0,0.7); }

.cat-action-edit { color: var(--color-warning); }
.cat-action-delete { color: var(--color-error); }

.cat-confirm-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(245, 101, 101, 0.15);
    border-radius: 0 0 12px 12px;
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--color-error);
    z-index: 10;
}

.cat-edit-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px;
}
.cat-edit-form .form-input {
    padding: 6px 10px;
    font-size: 13px;
}

/* ==========================================================================
   12. COMPONENT — Reset modal
   ========================================================================== */

.reset-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.reset-modal {
    background: var(--bg-app);
    border: 1px solid var(--border-interactive);
    border-radius: 16px;
    padding: 24px;
    max-width: 360px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.reset-modal-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.reset-modal-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
}

.reset-modal-error {
    background: rgba(245, 101, 101, 0.15);
    color: var(--color-error);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 12px;
    word-break: break-word;
}

.reset-modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* ==========================================================================
   13. SCREEN — Logs
   ========================================================================== */

.logs-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-height: 400px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 12px;
}

.log-entry {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 4px 8px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.2);
}

.log-time {
    color: var(--text-muted);
    flex-shrink: 0;
}

.log-level-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 3px;
    flex-shrink: 0;
}

.log-badge-info {
    background: rgba(160, 174, 192, 0.2);
    color: var(--text-secondary);
}

.log-badge-warn {
    background: rgba(236, 201, 75, 0.2);
    color: var(--color-warning);
}

.log-badge-error {
    background: rgba(245, 101, 101, 0.2);
    color: var(--color-error);
}

.log-message {
    color: var(--text-primary);
    word-break: break-word;
}

.log-level-error {
    background: rgba(245, 101, 101, 0.08);
}

.log-level-warn {
    background: rgba(236, 201, 75, 0.08);
}

/* ==========================================================================
   13. COMPONENT — Category export/import
   ========================================================================== */

.header-action-btn {
    background: var(--bg-hover);
    border: none;
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 16px;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.header-action-btn:hover { background: var(--border-color); }
.header-action-btn:disabled { opacity: 0.4; cursor: default; }
.tts-toggle-btn { font-size: 16px; }
.tts-toggle-btn.muted { opacity: 0.5; }
.theme-toggle-btn { font-size: 16px; }

.import-file-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 260px;
    overflow-y: auto;
}

.import-file-item {
    padding: 10px 12px;
    background: var(--bg-card);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.15s;
    word-break: break-all;
}
.import-file-item:hover {
    background: var(--border-interactive);
}

/* ==========================================================================
   15. SCREEN — Context Game
   ========================================================================== */

.cg-sentence {
    font-size: 20px;
    line-height: 1.6;
    text-align: center;
    color: var(--text-primary);
    padding: 12px 0;
    word-break: break-word;
}

.cg-blank {
    display: inline-flex;
    align-items: center;
    gap: 1px;
    border-bottom: 2px dashed var(--brand-primary);
    padding: 2px 4px;
    margin: 0 2px;
    min-width: 40px;
    vertical-align: baseline;
}


.cg-hidden-word {
    color: var(--brand-primary);
    letter-spacing: 2px;
    border-bottom: 2px dashed var(--brand-primary);
    padding: 0 4px;
}

/* ==========================================================================
   16. SEMANTIC COLOR CLASSES — status, feedback, buttons
   ========================================================================== */

/* --- Word status colors (dots, labels, stats) --- */
.color-not-studied { color: var(--brand-primary); }
.color-learning { color: var(--color-warning); }
.color-mastered { color: var(--color-success); }
.color-difficult { color: var(--color-error); }

.bg-not-studied { background: var(--brand-primary); }
.bg-learning { background: var(--color-warning); }
.bg-mastered { background: var(--color-success); }
.bg-difficult { background: var(--color-error); }

/* --- Category stats plaque --- */
.category-stats-plaque {
    background: var(--bg-hover);
    border-radius: 14px;
    padding: 16px 12px;
    margin-bottom: 18px;
}
.category-stats-row {
    display: flex;
    justify-content: space-around;
}
.category-stats-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.category-stats-num {
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}
.category-stats-label {
    font-size: 11px;
    opacity: 0.7;
    text-align: center;
}

/* --- Feedback --- */
.wb-feedback-wrong { color: var(--color-error); }

/* --- Load error message --- */
.load-error-msg {
    font-size: 12px;
    margin-top: 8px;
    color: var(--color-error);
    word-break: break-all;
}

/* --- Modal / dialog buttons --- */
.btn-modal {
    padding: 10px 20px;
}
.btn-modal-sm {
    padding: 8px 16px;
    font-size: 14px;
}
.btn-secondary {
    background: var(--border-interactive);
}
.btn-danger {
    background: linear-gradient(135deg, var(--color-error), #DC2626);
}

/* --- Sync OAuth form --- */
.sync-oauth-input {
    width: 100%;
    padding: 8px;
    border-radius: 6px;
    border: 1px solid var(--border-interactive);
    background: var(--bg-app);
    color: var(--text-primary);
    box-sizing: border-box;
}

/* ==========================================================================
   17. RESPONSIVE
   ========================================================================== */


.toggle-switch {
    position: relative;
    width: 36px;
    height: 20px;
    background: var(--text-muted);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s;
    flex-shrink: 0;
    margin-left: 12px;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: var(--bg-card);
    border-radius: 50%;
    transition: transform 0.2s;
}

.toggle-switch.active {
    background: var(--color-success);
}

.toggle-switch.active::after {
    transform: translateX(16px);
}

.sync-progress { margin-top: 12px; }
.sync-progress-bar {
    height: 14px;
    border-radius: 7px;
    background: var(--border-interactive);
    overflow: hidden;
}
.sync-progress-bar-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--color-success), #10B981);
    border-radius: 7px;
    transition: width 0.3s ease;
}
.sync-progress-text {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ==========================================================================
   18. SCREEN — Listening Game
   ========================================================================== */

.lg-speaker-block { display:flex; flex-direction:column; align-items:center; margin:20px 0 16px; }
.lg-speaker-btn { font-size:48px; background:none; border:2px solid var(--brand-primary); border-radius:50%; width:80px; height:80px; cursor:pointer; display:flex; align-items:center; justify-content:center; transition:background 0.15s; color:var(--brand-primary); }
.lg-speaker-btn:hover:not(:disabled) { background:rgba(59,130,246,0.1); }
.lg-speaker-btn:disabled { opacity:0.4; cursor:default; }
.lg-speaker-hint { font-size:13px; color:var(--text-muted); margin-top:8px; }

/* --- Mobile: растягиваем на весь экран --- */
@media (max-width: 767px) {
    body {
        height: 100%;
        min-height: 100dvh;
        align-items: stretch;
    }

    #app {
        max-width: 100%;
        min-height: 100dvh;
        border-radius: 0;
        box-shadow: none;
    }
}

/* --- Планшет portrait (768–1023px) --- */
@media (min-width: 768px) {
    #app {
        max-width: 900px;
    }

    .content {
        padding: 28px 32px;
    }

    .bookshelf-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 170px));
        gap: 20px;
    }

    /* Словарь: карточки в 2 колонки */
    .dict-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    /* Категории: 3 колонки */
    .cat-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Тренировки: карточка на десктопе */
    .quiz-card {
        max-width: 560px;
        margin: auto;
        padding: 40px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 20px;
        gap: 24px;
    }
    .quiz-card .quiz-score {
        font-size: 15px;
        font-weight: 500;
    }
    .quiz-card .quiz-question {
        font-size: 40px;
        font-weight: 800;
        font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
        padding: 8px 0;
    }
    .quiz-card .quiz-option {
        height: 56px;
        padding: 0 24px;
        border-radius: 14px;
        font-size: 16px;
        font-weight: 500;
        display: flex;
        align-items: center;
    }
    .quiz-card .quiz-options {
        gap: 12px;
    }
    .quiz-card .quiz-skip {
        height: 52px;
        border: 2px solid var(--border-interactive);
        border-radius: 14px;
        font-size: 16px;
        font-weight: 500;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .quiz-card .quiz-option.disabled {
        opacity: 0.4;
    }
    .quiz-card .quiz-option.correct {
        opacity: 1;
    }
    .quiz-card .quiz-answer-card {
        align-self: stretch;
        background: none;
        padding: 0;
        margin-top: 0;
        border-top: 1px solid var(--border-color);
        border-radius: 0;
        padding-top: 16px;
    }
    .quiz-card .quiz-next-btn {
        width: 100%;
        height: 52px;
        border-radius: 14px;
        font-size: 16px;
        font-weight: 600;
        margin-top: 12px;
    }
    .quiz-answer-card,
    .wb-result-card,
    .quiz-result {
        max-width: 560px;
        margin-left: auto;
        margin-right: auto;
    }
    .wb-assembled,
    .wb-letters {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    /* Формы: ограничить ширину */
    .card-form {
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }

    /* «Сейчас читаю»: обложка крупнее */
    .reading-now-cover,
    .reading-now-cover-placeholder {
        width: 110px;
        height: 160px;
    }

    /* Статистика: карточки крупнее */
}

/* --- Планшет landscape / десктоп (1024px+) --- */
@media (min-width: 1024px) {
    #app {
        max-width: none;
        flex-direction: row;
    }

    .app-nav {
        flex-direction: column;
        width: 240px;
        border-top: none;
        border-right: 1px solid var(--border-color);
        padding: 20px 12px;
        gap: 4px;
        order: 0;
    }

    .app-nav-item {
        flex: none;
        flex-direction: row;
        justify-content: flex-start;
        gap: 12px;
        padding: 10px 16px;
        border-radius: 10px;
        font-size: 14px;
    }

    .app-nav-item.active {
        background: var(--bg-hover);
    }

    .app-nav-icon {
        height: auto;
        width: 22px;
    }

    .app-nav-items {
        display: flex;
        flex-direction: column;
        gap: 4px;
        flex: 1;
    }

    .app-nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 8px 16px 24px;
    }

    .app-nav-logo-text {
        font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
        font-size: 16px;
        font-weight: 700;
        color: var(--text-primary);
    }

    .app-nav-profile {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 16px;
        border-top: 1px solid var(--border-color);
        margin-top: auto;
        cursor: pointer;
    }

    .app-nav-profile:hover {
        background: var(--bg-hover);
        border-radius: 10px;
    }

    .app-nav-profile-avatar {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--bg-input);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        color: var(--text-muted);
    }

    .app-nav-profile-info {
        flex: 1;
        min-width: 0;
    }

    .app-nav-profile-name {
        font-size: 14px;
        font-weight: 600;
        color: var(--text-primary);
    }

    .app-nav-profile-level {
        font-size: 12px;
        color: var(--text-muted);
    }

    .app-nav-profile-settings {
        cursor: pointer;
        flex-shrink: 0;
    }

    .content {
        padding: 32px 40px;
    }

    .content:has(.content-aside),
    .library-wrap:has(.content-aside) {
        display: grid;
        grid-template-columns: 1fr 320px;
        gap: 32px;
        align-items: start;
        padding-right: 24px;
        padding-top: 8px;
    }

    .content-main {
        display: flex;
        flex-direction: column;
        gap: 16px;
        min-width: 0;
    }

    .content-aside {
        display: flex;
        flex-direction: column;
        gap: 16px;
        order: 0;
        padding-top: 8px;
    }

    .content-aside .reading-now {
        background: var(--bg-card);
        border-radius: 12px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.08);
        padding: 20px;
    }

    .content-aside .reading-now-cover,
    .content-aside .reading-now-cover-placeholder {
        width: 70px;
        height: 95px;
        min-width: 70px;
        border-radius: 8px;
    }

    .content-aside .reading-now-book-title {
        font-size: 15px;
    }

    .content-aside .reading-now-progress {
        margin-top: auto;
    }

    .content-aside .reading-now-continue {
        width: 100%;
        margin-top: 12px;
        height: 34px;
        font-size: 13px;
    }

    .content-aside .reading-now-continue .app-icon svg {
        width: 16px;
        height: 16px;
    }

    .home-activities {
        grid-template-columns: 1fr 1fr 1fr;
    }

    /* Библиотека: 5 колонок */
    .bookshelf-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 180px));
        gap: 24px;
    }

    /* Словарь: 2 колонки (оставляем, 3 слишком узкие для карточек) */

    /* Категории: 4 колонки */
    .cat-grid {
        grid-template-columns: repeat(4, 1fr);
        max-height: none;
    }

    /* «Сейчас читаю»: ещё крупнее */
    .reading-now {
        padding: 24px 32px;
    }
    .reading-now-cover,
    .reading-now-cover-placeholder {
        width: 130px;
        height: 190px;
    }
    .reading-now-book-title {
        font-size: 20px;
    }
}

/* ==========================================================================
   DAILY STATS BLOCK (SM-2 Plan)
   ========================================================================== */



/* ==========================================================================
   LIBRARY
   ========================================================================== */

.library-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    position: relative;
}
.library-tab-bar {
    margin: 0;
}

/* --- Библиотека: «Сейчас читаю» --- */

.reading-now {
    background: var(--bg-body);
    padding: 16px 20px;
    cursor: pointer;
}
.reading-now-title {
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.reading-now-card {
    display: flex;
    gap: 16px;
}
.reading-now-cover {
    width: 90px;
    height: 130px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
}
.reading-now-cover-placeholder {
    width: 90px;
    height: 130px;
    border-radius: 10px;
    background: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.reading-now-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}
.reading-now-book-title {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}
.reading-now-author {
    font-size: 13px;
    color: var(--text-secondary);
}
.reading-now-progress {
    height: 4px;
    background: var(--bg-input);
    border-radius: 2px;
    overflow: hidden;
}
.reading-now-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-primary-dark));
    border-radius: 2px;
}
.reading-now-progress-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.reading-now-progress-row .reading-now-progress {
    flex: 1;
}

.reading-now-percent {
    font-size: 12px;
    font-weight: 600;
    color: var(--brand-primary);
    white-space: nowrap;
}
.reading-now-continue {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 36px;
    padding: 0 16px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-primary-dark));
    color: white;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

/* --- Библиотека: сетка книг --- */

.bookshelf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 160px));
    gap: 16px;
    padding: 16px 20px 20px;
}
.bookshelf-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: var(--bg-card);
    padding: 8px 8px 10px;
    border-radius: 14px;
    cursor: pointer;
    position: relative;
    transition: transform 0.15s;
}
.bookshelf-item:hover { transform: translateY(-2px); }
.bookshelf-cover {
    height: 200px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    background: var(--bg-input);
    display: flex;
    position: relative;
    align-items: center;
    justify-content: center;
}
.bookshelf-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.bookshelf-cover-placeholder {
    font-size: 28px;
    opacity: 0.4;
}
.bookshelf-title {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.bookshelf-author {
    font-size: 10px;
    color: var(--text-muted);
}

.bookshelf-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(0,0,0,0.3);
}

.bookshelf-progress-fill {
    height: 100%;
    background: var(--brand-primary);
    border-radius: 0 2px 2px 0;
}

.bookshelf-meta {
    display: flex;
    align-items: center;
    gap: 6px;
}

.bookshelf-percent {
    font-size: 11px;
    font-weight: 600;
    color: var(--brand-primary);
}

.bookshelf-badge {
    display: inline-flex;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 9px;
    font-weight: 600;
    width: fit-content;
}
.bookshelf-badge-epub { color: var(--brand-primary); background: rgba(59,130,246,0.19); }
.bookshelf-badge-fb2 { color: var(--color-success); background: rgba(72,187,120,0.19); }
.bookshelf-badge-pdf { color: var(--color-error); background: rgba(245,101,101,0.19); }

.bookshelf-delete {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.5);
    border: none;
    border-radius: 50%;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s, color 0.15s;
}
.bookshelf-item:hover .bookshelf-delete { opacity: 1; }
.bookshelf-delete:hover { color: var(--color-error); }
@media (hover: none) {
    .bookshelf-delete { opacity: 0.7; }
}

/* --- Библиотека: пустое состояние --- */

.library-empty {
    text-align: center;
    padding: 60px 20px;
    opacity: 0.6;
}
.library-empty-icon { font-size: 48px; margin-bottom: 12px; }
.library-empty-hint { font-size: 13px; margin-top: 6px; }

.library-error {
    padding: 12px 20px;
}

.loading-placeholder {
    text-align: center;
    padding: 60px;
    opacity: 0.5;
}

/* --- FAB (кнопка загрузки) --- */

.library-toolbar {
    display: flex;
    gap: 12px;
    padding: 0 20px;
    margin-bottom: 8px;
}

.library-search {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0 12px;
    height: 40px;
}

.library-search-icon {
    color: var(--text-muted);
    flex-shrink: 0;
}

.library-search-input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    font-size: 14px;
    color: var(--text-primary);
    font-family: inherit;
}

.library-search-input::placeholder {
    color: var(--text-muted);
}

.library-search-disabled {
    opacity: 0.4;
    pointer-events: none;
}

.library-filter-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.library-filter-btn:hover,
.library-filter-btn.active {
    background: var(--bg-hover);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

.library-filters {
    padding: 0 20px;
    margin-bottom: 8px;
}

.library-filters-row {
    display: flex;
    gap: 12px;
    margin-bottom: 10px;
}

.library-filter-select {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.library-filter-label {
    font-size: 12px;
    color: var(--text-muted);
}

.library-filter-select select {
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    outline: none;
    cursor: pointer;
}

.library-filter-select select:focus {
    border-color: var(--brand-primary);
}

.library-filter-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
}

.library-filter-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-primary);
    cursor: pointer;
}

.library-add-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 16px;
    height: 40px;
    background: var(--brand-primary);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    white-space: nowrap;
    transition: background 0.15s;
}

.library-add-btn:hover {
    background: var(--brand-primary-dark);
}

.library-add-btn.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.library-add-btn-text {
    display: none;
}

@media (min-width: 768px) {
    .library-add-btn-text {
        display: inline;
    }
}

/* ==========================================================================
   READER
   ========================================================================== */

.reader-screen {
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    background: var(--reader-bg);
}

/* reader-header удалён — читалка использует общий .header */

.reader-container {
    flex: 1;
    overflow: hidden;
    position: relative;
    background: var(--reader-bg);
}
.reader-container foliate-view {
    background: var(--reader-bg);
}
.reader-container foliate-view::part(filter) {
    background: var(--reader-bg) !important;
}

.reader-toolbar {
    display: flex;
    align-items: center;
    padding: 6px 20px;
    gap: 8px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.reader-font-btn {
    background: var(--bg-input);
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.15s;
}
.reader-font-btn:hover { background: var(--bg-hover); }
.reader-toolbar .theme-toggle-btn {
    background: var(--bg-input);
    color: var(--text-primary);
}
.reader-toolbar .theme-toggle-btn:hover { background: var(--bg-hover); }
.reader-percent {
    font-size: 13px;
    color: var(--brand-primary);
    white-space: nowrap;
    margin-left: auto;
}

.reader-loading, .reader-error {
    text-align: center;
    padding: 40px;
}
.reader-error { color: var(--color-error); }

/* Кнопки перелистывания */
.reader-nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 80px;
    background: var(--reader-nav-bg);
    border: none;
    color: var(--text-muted);
    font-size: 28px;
    cursor: pointer;
    z-index: 10;
    border-radius: 8px;
    transition: background 0.15s, opacity 0.15s;
    opacity: 0.5;
}
.reader-nav:hover { background: var(--reader-nav-hover); opacity: 1; }
.reader-nav-prev { left: 4px; }
.reader-nav-next { right: 4px; }

/* Word popup */
.word-popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 100;
}
.word-popup {
    background: var(--popup-bg);
    border-radius: 16px 16px 0 0;
    padding: 14px;
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    animation: popup-slide-up 0.2s ease-out;
    transition: opacity 0.3s;
    border: 1px solid var(--border-color);
    border-bottom: none;
    box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
}
.word-popup--saved { opacity: 0.5; }
@keyframes popup-slide-up {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* Header: слово + озвучка */
.word-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
}
.word-popup-word-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}
.word-popup-word {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
}
.word-popup-word:hover { opacity: 0.7; }
.word-popup-lemma {
    font-size: 13px;
    color: var(--text-muted);
}
.word-popup-speaker-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--bg-input);
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    flex-shrink: 0;
    transition: background 0.15s;
}
.word-popup-speaker-btn:hover { background: var(--border-color); }

/* Редактирование слова */
.word-popup-word-ac {
    position: relative;
    flex: 1;
    min-width: 0;
}
.word-popup-word-input {
    width: 100%;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 8px;
    outline: none;
}
.word-popup-word-input:focus { border-color: var(--brand-primary); }
.word-popup-suggest { z-index: 1010; }

.word-popup-original {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: -4px;
}

/* Разделитель */
.word-popup-divider {
    height: 1px;
    background: var(--border-color);
}

/* Секции */
.word-popup-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.word-popup-section-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Поле ввода перевода */
.word-popup-field { margin: 0; }
.word-popup-translate-wrap { position: relative; }
.word-popup-input {
    width: 100%;
    padding: 8px 36px 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s;
}
.word-popup-input:focus { border-color: var(--brand-primary); }
.word-popup-input--loading { color: var(--text-muted); }
.word-popup-spinner {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--brand-primary);
    border-radius: 50%;
    animation: popup-spin 0.6s linear infinite;
}
@keyframes popup-spin { to { transform: translateY(-50%) rotate(360deg); } }

/* Чипы переводов */
.word-popup-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.word-popup-chip {
    padding: 6px 14px;
    border: none;
    border-radius: 20px;
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
    line-height: 1.2;
}
.word-popup-chip:hover { background: var(--border-color); }
.word-popup-chip:active {
    background: var(--brand-primary);
    color: #fff;
}
.word-popup-chip--more {
    color: var(--brand-primary);
    background: transparent;
    border: 1px dashed var(--brand-primary);
}
.word-popup-chip--more:hover {
    background: rgba(59, 130, 246, 0.1);
}

/* Часть речи */
.word-popup-pos {
    font-size: 10px;
    font-weight: 600;
    font-style: italic;
    color: var(--brand-primary);
}

/* Контекст */
.word-popup-context-text {
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.5;
}

/* Предупреждение */
.word-popup-warning {
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(255, 180, 0, 0.15);
    color: var(--color-warning);
    font-size: 13px;
    line-height: 1.4;
}

/* Кнопки действий */
.word-popup-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}
.word-popup-camera-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    cursor: pointer;
    flex-shrink: 0;
    overflow: hidden;
    color: var(--text-muted);
}
.word-popup-camera-btn:hover { background: var(--border-color); }
.word-popup-photo-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 9px;
}
.word-popup-photo-remove {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 16px;
    height: 16px;
    background: var(--color-error);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
.word-popup-add-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 36px;
    border: none;
    border-radius: 10px;
    background: var(--brand-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
}
.word-popup-add-btn:hover { opacity: 0.9; }
.word-popup-add-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Источник */
.word-popup-source-row {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    color: var(--text-muted);
    font-size: 10px;
    opacity: 0.5;
}

.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
}