@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&display=swap');

:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --warning-color: #f39c12;
    --background-color: #f4f6f7;
    --card-bg-color: #ffffff;
    --success-color: #2ecc71;
    --accent-color: #3498db;
    --font-family: 'Montserrat', sans-serif;
}

/* Темна тема */
[data-theme="dark"] {
    --primary-color: #ecf0f1;
    --background-color: #1a1a1a;
    --card-bg-color: #2d2d2d;
    --secondary-color: #e74c3c;
    --warning-color: #f39c12;
    --success-color: #2ecc71;
    --accent-color: #3498db;
}

[data-theme="dark"] body {
    background-color: var(--background-color);
    color: var(--primary-color);
}

[data-theme="dark"] .section {
    background-color: var(--card-bg-color);
    color: var(--primary-color);
}

[data-theme="dark"] header {
    border-bottom-color: #444;
}

[data-theme="dark"] .lang-arrow {
    color: #95a5a6;
}

[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="time"],
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: #3d3d3d !important;
    color: #ecf0f1 !important; /* Більш контрастний колір для тексту в полях вводу */
    border-color: #555 !important;
}

[data-theme="dark"] input[type="text"]::placeholder,
[data-theme="dark"] input[type="email"]::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: #95a5a6 !important; /* Контрастний колір для placeholder */
}

/* Темний режим для форми завантаження тексту */
[data-theme="dark"] #upload-book-container {
    color: var(--primary-color);
}

[data-theme="dark"] #upload-book-container h3 {
    color: var(--primary-color);
}

[data-theme="dark"] #upload-book-container > div[style*="background: #f0f0f0"] {
    background-color: #2d2d2d !important;
    color: var(--primary-color) !important;
    border: 1px solid #555 !important;
}

[data-theme="dark"] #upload-book-container > div[style*="background: #f0f0f0"] strong {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #upload-book-container > div[style*="background: #f0f0f0"] p {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #upload-book-container > div[style*="background: #f0f0f0"] ul {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #upload-book-container > div[style*="background: #f0f0f0"] li {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #upload-book-container > div[style*="background: #f0f0f0"] code {
    background-color: #3d3d3d !important;
    color: var(--primary-color) !important;
    padding: 2px 6px;
    border-radius: 3px;
}

[data-theme="dark"] #book-title-input,
[data-theme="dark"] #book-text-input {
    background-color: #3d3d3d !important;
    color: #ecf0f1 !important;
    border-color: #555 !important;
}

[data-theme="dark"] #book-title-input::placeholder,
[data-theme="dark"] #book-text-input::placeholder {
    color: #95a5a6 !important;
}

[data-theme="dark"] #upload-book-status {
    color: var(--primary-color) !important;
}

/* Специфічні стилі для поля пошуку нового слова */
[data-theme="dark"] #new-word-input {
    background-color: #ffffff; /* Білий фон */
    color: #2c3e50; /* Темний текст для контрасту з білим фоном */
    border-color: #bdc3c7;
}

[data-theme="dark"] #new-word-input::placeholder {
    color: #7f8c8d; /* Темний placeholder для кращої видимості на білому фоні */
}

[data-theme="dark"] #flashcard {
    background-color: #3d3d3d;
    border-color: #555;
}

[data-theme="dark"] #search-result-area {
    background-color: #3d3d3d;
    border-color: #555;
}

[data-theme="dark"] #reading-display-area {
    background-color: #3d3d3d;
    border-color: #555;
}

[data-theme="dark"] .sentence-source {
    color: var(--primary-color);
}

[data-theme="dark"] .sentence-translation {
    color: #95a5a6;
}

[data-theme="dark"] .clickable-word {
    background-color: #4a4a4a;
}

[data-theme="dark"] .clickable-word:hover {
    background-color: var(--warning-color);
    color: white;
}

[data-theme="dark"] .modal-content {
    background-color: var(--card-bg-color);
}

[data-theme="dark"] .modal-overlay {
    background-color: rgba(0, 0, 0, 0.8);
}

[data-theme="dark"] .stats-line {
    color: var(--primary-color);
}

[data-theme="dark"] .review-status-text {
    background-color: #3d3d3d;
    color: var(--accent-color);
}

[data-theme="dark"] .example {
    color: #95a5a6;
}

[data-theme="dark"] .etymology-block {
    border-top-color: #555;
}

[data-theme="dark"] .etymology-block h4 {
    color: var(--primary-color);
}

[data-theme="dark"] .etymology-block p {
    color: #b0b0b0; /* Більш контрастний колір для тексту походження */
}

[data-theme="dark"] .streak-line.streak-not-updated {
    color: #ff6b6b; /* Яскравіший червоний для темної теми */
}

[data-theme="dark"] .streak-line.streak-updated {
    color: #51cf66; /* Яскравіший зелений для темної теми */
}

[data-theme="dark"] .translation-block {
    border-bottom-color: #555;
}

[data-theme="dark"] .card-back-word-header {
    border-bottom-color: #555;
}

[data-theme="dark"] hr {
    border-top-color: #555;
}

[data-theme="dark"] h2 {
    border-bottom-color: #555;
}

[data-theme="dark"] .admin-section h3 {
    border-bottom-color: #555;
}

[data-theme="dark"] .ai-requests-table th {
    background-color: var(--primary-color);
    color: var(--background-color);
}

[data-theme="dark"] .ai-requests-table td {
    border-bottom-color: #555;
}

[data-theme="dark"] .user-item {
    background-color: var(--card-bg-color);
    border-color: #555;
}

* { box-sizing: border-box; }

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--primary-color);
    margin: 0;
    padding: 0 1px 1px 1px; /* мінімум зверху */
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}

.container { width: 100%; max-width: 800px; }

/* --- ШАПКА --- */
header {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1px;
    margin-bottom: 1px;
    border-bottom: 2px solid #e0e0e0;
    padding-top: 0;
    padding-bottom: 1px;
}

.logo-container {
    flex-basis: 100%;
    display: flex;
    justify-content: center;
    order: 1;
}

.app-logo {
    max-height: 80px;
    width: auto;
    object-fit: contain;
}

/* ОНОВЛЕННЯ: Стилі для прапорців-перемикачів */
.flags-container {
    font-size: 2.5em;
    letter-spacing: 5px;
    text-align: center;
    flex-basis: 100%;
    order: 2;
    margin: 5px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px; /* Більший відступ між прапорами */
    flex-wrap: wrap;
}

.lang-flag {
    cursor: pointer;
    opacity: 0.5; /* Трохи яскравіше за замовчуванням */
    transition: all 0.2s ease;
    /* filter: grayscale(30%);  <-- ПРИБРАНО сірість */
    border-radius: 5px;
}

.lang-flag:hover {
    opacity: 1;
    transform: scale(1.1);
}

.lang-flag.active {
    opacity: 1;
    transform: scale(1.3); /* Сильніше збільшення */
    cursor: default;
    filter: drop-shadow(0 0 5px rgba(0,0,0,0.2)); /* Тінь для виділення */
}

.source-lang-flag {
    cursor: default;
    opacity: 1; /* Рідна мова завжди яскрава */
}

.lang-arrow {
    font-size: 0.6em;
    color: #95a5a6;
    margin: 0 5px;
    cursor: default;
}

#user-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-basis: 100%;
    justify-content: center;
    order: 3;
}

.user-greeting {
    font-weight: 600;
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.logout-button {
    background-color: var(--secondary-color);
    padding: 8px 15px;
    font-size: 14px;
    width: auto;
}

/* --- ЗАГАЛЬНІ ЕЛЕМЕНТИ --- */
button {
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    background-color: var(--secondary-color);
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    width: 100%;
}
button:hover { filter: brightness(110%); }
button:active { transform: scale(0.98); }
button:disabled { background-color: #bdc3c7; cursor: not-allowed; }

.section {
    background-color: var(--card-bg-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    margin-bottom: 20px;
}

h2 {
    margin-top: 0;
    color: var(--secondary-color);
    border-bottom: 1px solid #ecf0f1;
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-weight: 700;
    text-align: center; 
}

/* --- СТАТИСТИКА --- */
.stats-links {
    margin-top: 0;
    text-align: center;
    font-size: 14px;
    margin-bottom: 0;
}
.stats-links a { text-decoration: none; color: var(--primary-color); font-weight: 600; padding: 5px; border-radius: 5px; }
.stats-links a:hover { background-color: var(--accent-color); color: white; }
.stats-links span { margin: 0 5px; }

/* Центрований стовпчик статистики */
.stats-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    text-align: center;
}

/* Мінімальні відступи для статистики та першого блоку */
#stats {
    margin-top: 0;
    margin-bottom: 0;
}
.add-word-section {
    margin-top: 1px;
}

/* Прибираємо зайві відступи заголовка */
header h1 {
    margin-top: 0;
    margin-bottom: 2px;
}
.stats-links {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}
.stats-line {
    font-size: 14px;
    color: #2f3542;
}

.streak-line.streak-not-updated {
    color: #e74c3c; /* Червоний колір, якщо серія ще не оновлювалась */
    font-weight: 600;
}

.streak-line.streak-updated {
    color: #1e7e34; /* Темно-зелений колір, якщо серія вже оновлювалась */
    font-weight: 600;
}

@media (max-width: 520px) {
    #user-controls {
        margin-bottom: 7px;
    }
    .stats-wrapper {
        gap: 4px;
    }
    .stats-links {
        gap: 4px;
        font-size: 12px;
    }
    .stats-line {
        font-size: 12px;
        line-height: 1.3;
    }
}

/* --- НАЛАШТУВАННЯ --- */
.setting-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}
.setting-item label { font-weight: 600; }
.setting-item input[type="number"],
.setting-item input[type="text"],
.setting-item select,
#search-word-form input[type="text"],
textarea {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 2px solid #bdc3c7;
    border-radius: 5px;
    font-family: var(--font-family);
    background-color: #fff;
    -webkit-appearance: none;
}
#language-select, #default-language-select {
    border-color: var(--accent-color);
    font-weight: 600;
}
#add-language-btn {
    background-color: var(--success-color);
    width: auto;
    align-self: flex-start;
}
#save-settings-btn { background-color: var(--accent-color); }
#settings-status { font-weight: 600; margin-top: 10px; }

/* --- ПОШУК --- */
#search-word-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#search-word-btn { width: 100%; }
#loading { margin-top: 15px; font-weight: 600; }
#search-result-area { margin-top: 20px; padding: 20px; border: 2px solid var(--accent-color); border-radius: 5px; background-color: #f8f9fa; }
#search-result-area .card-title { font-size: 20px; font-weight: 700; }
.add-card-btn-from-search { background-color: var(--success-color); margin-top: 20px; }

/* --- ПОВТОРЕННЯ --- */
.review-section { text-align: center; }
.review-status-text {
    font-weight: 600;
    color: var(--accent-color);
    margin-top: 15px;
    padding: 15px;
    background-color: #f0f6fa;
    border-radius: 5px;
}
#review-header { font-size: 1.1em; font-weight: 600; margin-bottom: 15px; }

#review-controls {
    margin-bottom: 20px;
    min-height: 55px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
    width: 100%;
}

#flashcard { background-color: #fdfdfd; border: 2px solid #e0e0e0; border-radius: 8px; min-height: 200px; display: flex; justify-content: center; align-items: center; padding: 20px; position: relative; }
#turkish-word {
    font-size: 30px;
    font-weight: 700;
    word-break: break-all;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s;
}
#turkish-word:hover { color: var(--accent-color); }

.card-back { text-align: left; width: 100%; }
.card-back-word-header {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-top: 0;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #eee;
}

.translation-block { margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px dashed #dcdde1; }
.translation-block:last-child { border-bottom: none; }
.ukrainian-translation { font-size: 20px; font-weight: 600; color: var(--success-color); }
.example { margin-top: 10px; font-style: italic; color: #7f8c8d; line-height: 1.6; }
.example p { margin: 5px 0; word-break: break-word; }
.example strong { font-style: normal; color: var(--secondary-color); font-weight: 700; }
.etymology-block { margin-top: 20px; padding-top: 15px; border-top: 2px dashed #e0e0e0; }
.etymology-block h4 { margin: 0 0 5px 0; font-size: 1em; font-weight: 600; }
.etymology-block p { margin: 0; font-size: 0.95em; color: #555; line-height: 1.6; font-style: italic; }

#feedback-buttons {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 8px;
    width: 100%;
}
.feedback-btn {
    width: 33%;
    padding: 12px 5px;
    font-size: 14px;
    flex-grow: 1;
}
#know-btn { background-color: var(--success-color); }
#unsure-btn { background-color: var(--warning-color); }
#dont-know-btn { background-color: var(--secondary-color); }

#start-review-btn { background-color: var(--success-color); padding: 15px 30px; width: 100%; }
#session-summary { background-color: #eafaf1; border: 2px solid var(--success-color); padding: 20px; border-radius: 8px; }
#summary-stats p { font-size: 1.1em; font-weight: 600; margin: 10px 0; }

/* Темний режим для результатів сесії */
[data-theme="dark"] #session-summary {
    background-color: #2d2d2d;
    border-color: var(--success-color);
    color: var(--primary-color);
}

[data-theme="dark"] #summary-stats p {
    color: var(--primary-color);
    font-weight: 700;
}

[data-theme="dark"] #voice-learning-summary {
    background-color: #2d2d2d;
    border-color: #9b59b6;
    color: var(--primary-color);
}

[data-theme="dark"] #voice-summary-stats {
    color: var(--primary-color);
}

[data-theme="dark"] #voice-summary-stats div {
    color: var(--primary-color);
}

[data-theme="dark"] #voice-summary-stats strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* Темний режим для блоків зі словами в підсумку вивчення вголос */
[data-theme="dark"] #voice-summary-stats > div > div[style*="background: #d4edda"] {
    background-color: #2d4d2d !important;
    border-left-color: #28a745 !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-summary-stats > div > div[style*="background: #fff3cd"] {
    background-color: #4d4d2d !important;
    border-left-color: #ffc107 !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-summary-stats > div > div[style*="background: #fff3cd"] > div[style*="color: #856404"] {
    color: #ffc107 !important;
}

[data-theme="dark"] #voice-sentence-learning-summary {
    background-color: #2d2d2d;
    border-color: #9b59b6;
    color: var(--primary-color);
}

[data-theme="dark"] #voice-sentence-summary-stats {
    color: var(--primary-color);
}

[data-theme="dark"] #voice-sentence-summary-stats div {
    color: var(--primary-color);
}

[data-theme="dark"] #voice-sentence-summary-stats strong {
    color: var(--primary-color);
    font-weight: 700;
}

[data-theme="dark"] #voice-sentence-summary-stats em {
    color: var(--primary-color);
}

/* Темний режим для блоків зі словами в підсумку вивчення через речення */
[data-theme="dark"] #voice-sentence-summary-stats > div > div[style*="background: #d4edda"] {
    background-color: #2d4d2d !important;
    border-left-color: #28a745 !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-summary-stats > div > div[style*="background: #d4edda"] strong {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-summary-stats > div > div[style*="background: #d4edda"] em {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-summary-stats > div > div[style*="background: #fff3cd"] {
    background-color: #4d4d2d !important;
    border-left-color: #ffc107 !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-summary-stats > div > div[style*="background: #fff3cd"] strong {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-summary-stats > div > div[style*="background: #fff3cd"] em {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-summary-stats > div > div[style*="background: #fff3cd"] > div[style*="color: #856404"] {
    color: #ffc107 !important;
}

/* Темний режим для результату читання тексту */
[data-theme="dark"] #read-result-area {
    background-color: #2d2d2d !important;
    border-color: var(--success-color) !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #read-result-area h4 {
    color: var(--primary-color) !important;
    font-weight: 700;
}

[data-theme="dark"] #read-result-area p {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #read-result-area ul {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #read-result-area li {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #read-result-area strong {
    color: var(--primary-color) !important;
    font-weight: 700;
}

/* Темний режим для книг */
[data-theme="dark"] .book-item {
    background-color: #2d2d2d !important;
    border-color: #555 !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] .book-item h4 {
    color: var(--primary-color) !important;
    font-weight: 700;
}

[data-theme="dark"] .book-item p {
    color: var(--primary-color) !important;
}

/* --- ВИВЧЕННЯ ВГОЛОС --- */
#start-voice-learning-btn { background-color: #9b59b6; padding: 15px 30px; width: 100%; }
#voice-learning-card { background-color: #fdfdfd; border: 2px solid #e0e0e0; border-radius: 8px; padding: 20px; margin: 20px 0; text-align: center; }

/* Темний режим для карток вивчення вголос */
[data-theme="dark"] #voice-learning-card {
    background-color: #2d2d2d !important;
    border-color: #555 !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-translations-list {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-examples-display {
    background-color: #3d3d3d !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-examples-display h4 {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-examples-display p {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-examples-display > div > div[style*="background: white"] {
    background-color: #2d2d2d !important;
    border-left-color: var(--accent-color) !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-examples-display > div > div[style*="background: white"] p {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-word-display {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-word-display strong {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-recognized-word {
    color: #95a5a6 !important;
}

[data-theme="dark"] #voice-click-hint,
[data-theme="dark"] #voice-click-next-hint {
    color: #95a5a6 !important;
}

/* Темний режим для карток вивчення через речення */
[data-theme="dark"] #voice-sentence-learning-card {
    background-color: #2d2d2d !important;
    border: 2px solid #555 !important;
    border-radius: 8px !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-source {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-word-display {
    background-color: #3d3d3d !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-word-display h3 {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-word-display > div[style*="background: #f8f9fa"] {
    background-color: #3d3d3d !important;
    color: var(--primary-color) !important;
}

/* Темні стилі для прикладів та походження всередині карток вивчення */
[data-theme="dark"] #voice-word-display .translation-block,
[data-theme="dark"] #voice-sentence-word-display .translation-block {
    border-bottom-color: #555 !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-word-display .ukrainian-translation,
[data-theme="dark"] #voice-sentence-word-display .ukrainian-translation {
    color: var(--success-color) !important;
}

[data-theme="dark"] #voice-word-display .example,
[data-theme="dark"] #voice-sentence-word-display .example {
    color: #95a5a6 !important;
    background-color: transparent !important;
}

[data-theme="dark"] #voice-word-display .example p,
[data-theme="dark"] #voice-sentence-word-display .example p {
    color: #95a5a6 !important;
}

[data-theme="dark"] #voice-word-display .example strong,
[data-theme="dark"] #voice-sentence-word-display .example strong {
    color: var(--secondary-color) !important;
}

[data-theme="dark"] #voice-word-display .etymology-block,
[data-theme="dark"] #voice-sentence-word-display .etymology-block {
    border-top-color: #555 !important;
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-word-display .etymology-block h4,
[data-theme="dark"] #voice-sentence-word-display .etymology-block h4 {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-word-display .etymology-block p,
[data-theme="dark"] #voice-sentence-word-display .etymology-block p {
    color: #b0b0b0 !important;
}

[data-theme="dark"] #voice-sentence-answer-display {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-answer-display strong {
    color: var(--primary-color) !important;
}

[data-theme="dark"] #voice-sentence-recognized-text {
    color: #95a5a6 !important;
}

[data-theme="dark"] #voice-sentence-recognized-text em {
    color: #95a5a6 !important;
}

[data-theme="dark"] #voice-sentence-click-hint,
[data-theme="dark"] #voice-sentence-click-next-hint {
    color: #95a5a6 !important;
}
#voice-translation-display { margin-bottom: 20px; }
#voice-translations-list { text-align: center; font-size: 24px; font-weight: 600; padding: 20px; }
#voice-feedback { margin: 10px 0; }
#voice-word-display { margin: 10px 0; }
#voice-examples-display { margin-top: 10px; }
#voice-learning-controls { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.voice-btn { width: auto; padding: 12px 30px; background-color: #9b59b6; }
.voice-btn:hover { filter: brightness(110%); }
.voice-record-btn { 
    width: 80px; 
    height: 80px; 
    border-radius: 50%; 
    background-color: #dc3545 !important; 
    padding: 5px; 
    font-size: 8px; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    border: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    line-height: 1.1;
    text-align: center;
    word-wrap: break-word;
    overflow-wrap: break-word;
}
.voice-record-btn:hover { 
    filter: brightness(110%); 
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}
.voice-stop-btn {
    width: 80px; 
    height: 80px; 
    border-radius: 8px; 
    background-color: #dc3545 !important; 
    padding: 5px; 
    font-size: 8px; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    border: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    line-height: 1.1;
    text-align: center;
    word-wrap: break-word;
    overflow-wrap: break-word;
}
.voice-stop-btn:hover { 
    filter: brightness(110%); 
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}
.voice-stop-btn:not(.hidden) {
    animation: blink 1.5s infinite;
}
#stop-sentence-recording-btn:not(.hidden) {
    animation: blink 1.5s infinite;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
.voice-remove-card-btn {
    background-color: #6c757d !important;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
}
.voice-remove-card-btn:hover {
    background-color: #5a6268 !important;
}
#voice-learning-summary { background-color: #f0e6ff; border: 2px solid #9b59b6; padding: 20px; border-radius: 8px; }
#voice-summary-stats { margin-top: 20px; }

.hidden { display: none !important; }
hr { border: none; border-top: 1px solid #ecf0f1; margin: 20px 0; }

/* --- ЧИТАЄМО --- */
.reading-section textarea {
    min-height: 120px;
    line-height: 1.6;
    resize: vertical;
}

/* Стилі кнопок */
.reading-buttons-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

#process-text-btn { 
    background-color: var(--accent-color); 
}

.news-btn {
    background-color: #8e44ad !important; /* Фіолетовий */
}
.news-btn:hover {
    background-color: #732d91 !important;
}

#generate-story-btn {
    background-color: var(--warning-color); /* Помаранчевий */
}

#generation-loading {
    margin-top: 15px;
    font-weight: 600;
    color: var(--warning-color);
}

#reading-display-area {
    margin-top: 20px;
    padding: 20px;
    border: 2px solid #eee;
    border-radius: 5px;
}

/* Компактні стилі для пар речень */
.sentence-pair {
    margin-bottom: 12px;
    padding-bottom: 0;
    border-bottom: none;
    display: block;
}
.sentence-source {
    font-size: 1.2em;
    line-height: 1.4;
    margin-bottom: 2px;
    color: var(--primary-color);
}
.sentence-translation {
    font-size: 1em;
    color: #7f8c8d;
    line-height: 1.3;
    display: block;
    margin-bottom: 5px;
}

.clickable-word {
    cursor: pointer;
    background-color: #fdf3d8;
    border-radius: 3px;
    padding: 2px 0;
    transition: background-color 0.2s, color 0.2s;
}
.clickable-word:hover { background-color: var(--warning-color); color: white; }
strong { font-weight: 900; color: var(--primary-color); }

/* --- МОДАЛЬНЕ ВІКНО --- */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.6); display: flex; justify-content: center; align-items: center;
    padding: 20px; z-index: 1000;
}
.modal-content {
    background: var(--card-bg-color); border-radius: 8px; padding: 25px;
    width: 100%; max-width: 600px; max-height: 90vh;
    overflow-y: auto; position: relative; box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}
.modal-close {
    position: absolute; top: 10px; right: 15px; font-size: 2.5em; font-weight: 300;
    color: #aaa; background: none; border: none; width: auto; padding: 0; line-height: 1;
}
.modal-close:hover { color: var(--primary-color); }
#modal-result-content .card-title { font-size: 20px; font-weight: 700; }
.add-card-btn-from-modal { background-color: var(--success-color); margin-top: 20px; width: 100%; }

/* --- АДАПТАЦІЯ ДЛЯ ДЕСКТОПУ --- */
@media (min-width: 768px) {
    body { padding: 40px 20px; }
    
    header {
        flex-wrap: nowrap;
        justify-content: space-between;
        gap: 20px;
    }
    
    .logo-container {
        flex: 0 0 auto;
        order: 1;
    }
    .app-logo { max-height: 90px; }

    .flags-container {
        flex: 1 1 auto;
        font-size: 2.5em;
        letter-spacing: 0; 
        white-space: nowrap;
        order: 2;
        margin: 0;
    }

    #user-controls {
        flex: 0 0 auto;
        justify-content: flex-end;
        order: 3;
    }

    .section { padding: 30px; }
    .stats-links { text-align: left; font-size: 16px; margin-bottom: 20px; }
    .stats-links span { margin: 0 15px; }
    
    .setting-item { flex-direction: row; gap: 15px; align-items: center; }
    .setting-item input[type="number"], .setting-item input[type="text"], .setting-item select { width: auto; flex-grow: 1; }
    #add-language-btn { width: auto; flex-grow: 0; }
    
    #search-word-form { flex-direction: row; gap: 10px; align-items: center; }
    #search-word-form input[type="text"] { width: 100%; }
    #search-word-btn { width: auto; }
    
    #review-controls { flex-direction: row; justify-content: center; gap: 15px; }
    #feedback-buttons { flex-direction: row; width: auto; }
    .feedback-btn { width: auto; padding: 15px 30px; font-size: 18px; }
    
    #start-review-btn { width: auto; }
    #flashcard { min-height: 250px; }
    #turkish-word { font-size: 36px; }
    .card-back-word-header { font-size: 30px; }
    .ukrainian-translation { font-size: 22px; }

    .modal-content { padding: 30px; }
    .add-card-btn-from-modal { width: auto; }
    
    .reading-buttons-container {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .reading-buttons-container button {
        flex: 1; 
        width: auto;
        padding: 12px 10px; 
        font-size: 14px; 
    }
}