/* ========== БАЗОВЫЕ ПЕРЕМЕННЫЕ И СБРОС ========== */
 * {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
 }

 body {
     font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
     line-height: 1.5;
     transition: background-color 0.3s ease, color 0.3s ease;
 }

 /* ========== ТЕМНАЯ ТЕМА (ПО УМОЛЧАНИЮ) ========== */
 .page {
     --bg-primary: #0B1120;
     /* Основной тёмно-синий фон */
     --bg-secondary: #1E293B;
     /* Карточки, элементы */
     --text-primary: #E2E8F0;
     /* Основной текст */
     --text-secondary: #94A3B8;
     /* Второстепенный текст */
     --border-color: #334155;
     /* Обводка светлая */
     --accent: #3B82F6;
     /* Акцентный синий */
     --accent-light: #60A5FA;
     --highlight: #FBBF24;
     /* Жёлтый для подсветки */
     --highlight-bg: rgba(251, 191, 36, 0.15);
     --input-bg: #1E293B;
     --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
 }

 /* ========== СВЕТЛАЯ ТЕМА ========== */
 .page.page--light {
     --bg-primary: #F8FAFC;
     /* Светлый фон */
     --bg-secondary: #FFFFFF;
     /* Белые карточки */
     --text-primary: #0F172A;
     /* Тёмный текст */
     --text-secondary: #475569;
     --border-color: #CBD5E1;
     /* Светло-серая обводка */
     --accent: #2563EB;
     --accent-light: #3B82F6;
     --highlight: #F59E0B;
     --highlight-bg: rgba(245, 158, 11, 0.1);
     --input-bg: #FFFFFF;
     --shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
 }

 .page {
     background-color: var(--bg-primary);
     color: var(--text-primary);
     min-height: 100vh;
     display: flex;
     justify-content: center;
     padding: 2rem 1rem;
 }

 /* ========== БЭМ-БЛОКИ ========== */
 .container {
     width: 100%;
     max-width: 1200px;
     margin: 0 auto;
 }

 /* ---------- HEADER ---------- */
 .header {
     display: flex;
     justify-content: space-between;
     align-items: center;
     margin-bottom: 2.5rem;
     flex-wrap: wrap;
     gap: 1rem;
 }

 .header__logo {
     display: flex;
     align-items: center;
     gap: 0.75rem;
     font-size: 1.5rem;
     font-weight: 700;
     color: var(--text-primary);
 }

 .header__logo-icon {
     width: 2rem;
     height: 2rem;
     color: var(--accent);
 }

 .header__controls {
     display: flex;
     gap: 1rem;
     align-items: center;
 }

 /* ---------- THEME TOGGLER ---------- */
 .theme-toggler {
     background: var(--bg-secondary);
     border: 1px solid var(--border-color);
     border-radius: 2rem;
     display: flex;
     padding: 0.25rem;
 }

 .theme-toggler__button {
     background: none;
     border: none;
     border-radius: 2rem;
     padding: 0.5rem 1rem;
     font-size: 0.875rem;
     font-weight: 500;
     color: var(--text-secondary);
     cursor: pointer;
     display: flex;
     align-items: center;
     gap: 0.375rem;
     transition: all 0.2s;
 }

 .theme-toggler__button:hover {
     color: var(--text-primary);
 }

 .theme-toggler__button--active {
     background: var(--accent);
     color: white;
 }

 .theme-toggler__icon {
     width: 1.25rem;
     height: 1.25rem;
 }

 /* ---------- ACTION BUTTONS ---------- */
 .action-button {
     background: var(--bg-secondary);
     border: 1px solid var(--border-color);
     border-radius: 0.5rem;
     padding: 0.625rem 1.25rem;
     font-size: 0.875rem;
     font-weight: 500;
     color: var(--text-primary);
     cursor: pointer;
     display: flex;
     align-items: center;
     gap: 0.5rem;
     transition: all 0.2s;
 }

 .action-button:hover {
     border-color: var(--accent);
     background: var(--accent);
     color: white;
 }

 .action-button:hover .action-button__icon {
     color: white;
 }

 .action-button__icon {
     width: 1.25rem;
     height: 1.25rem;
     color: var(--accent);
     transition: color 0.2s;
 }

 .action-button--primary {
     background: var(--accent);
     border-color: var(--accent);
     color: white;
 }

 .action-button--primary .action-button__icon {
     color: white;
 }

 /* ---------- FEATURES GRID ---------- */
 .features {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
     gap: 1rem;
     margin-bottom: 2rem;
 }

 .feature-card {
     background: var(--bg-secondary);
     border: 1px solid var(--border-color);
     border-radius: 0.75rem;
     padding: 1.25rem;
     display: flex;
     align-items: center;
     gap: 1rem;
     transition: transform 0.2s, box-shadow 0.2s;
 }

 .feature-card:hover {
     transform: translateY(-2px);
     box-shadow: var(--shadow);
 }

 .feature-card__icon {
     width: 2rem;
     height: 2rem;
     color: var(--accent);
     flex-shrink: 0;
 }

 .feature-card__content {
     flex: 1;
 }

 .feature-card__title {
     font-weight: 600;
     margin-bottom: 0.25rem;
 }

 .feature-card__description {
     font-size: 0.875rem;
     color: var(--text-secondary);
 }

 /* ---------- MAIN EDITOR ---------- */
 .editor {
     background: var(--bg-secondary);
     border: 1px solid var(--border-color);
     border-radius: 1rem;
     overflow: hidden;
     margin-bottom: 2rem;
     box-shadow: var(--shadow);
 }

 .editor__toolbar {
     display: flex;
     gap: 0.5rem;
     padding: 1rem;
     border-bottom: 1px solid var(--border-color);
     background: var(--bg-primary);
     flex-wrap: wrap;
 }

 .toolbar-button {
     background: var(--bg-secondary);
     border: 1px solid var(--border-color);
     border-radius: 0.5rem;
     padding: 0.5rem;
     color: var(--text-secondary);
     cursor: pointer;
     display: inline-flex;
     align-items: center;
     justify-content: center;
     transition: all 0.2s;
 }

 .toolbar-button:hover {
     border-color: var(--accent);
     color: var(--accent);
 }

 .toolbar-button__icon {
     width: 1.25rem;
     height: 1.25rem;
 }

 .editor__main {
     display: grid;
     grid-template-columns: 1fr 1fr;
     min-height: 400px;
 }

 @media (max-width: 768px) {
     .editor__main {
         grid-template-columns: 1fr;
     }
 }

 .editor__panel {
     display: flex;
     flex-direction: column;
 }

 .editor__panel:first-child {
     border-right: 1px solid var(--border-color);
 }

 @media (max-width: 768px) {
     .editor__panel:first-child {
         border-right: none;
         border-bottom: 1px solid var(--border-color);
     }
 }

 .editor__panel-header {
     padding: 0.75rem 1rem;
     border-bottom: 1px solid var(--border-color);
     font-weight: 500;
     color: var(--text-secondary);
     font-size: 0.875rem;
     display: flex;
     justify-content: space-between;
     align-items: center;
 }

 .editor__panel-content {
     flex: 1;
     padding: 1rem;
 }

 .editor__textarea {
     width: 100%;
     height: 100%;
     min-height: 300px;
     background: var(--input-bg);
     border: none;
     resize: vertical;
     color: var(--text-primary);
     font-size: 1rem;
     line-height: 1.6;
     outline: none;
     font-family: inherit;
 }

 .editor__textarea::placeholder {
     color: var(--text-secondary);
     opacity: 0.7;
 }

 .editor__result {
     background: var(--input-bg);
     height: 100%;
     min-height: 300px;
     overflow-y: auto;
     font-size: 1rem;
     line-height: 1.6;
     word-break: break-word;
 }

 .editor__highlight {
     background-color: var(--highlight-bg);
     color: var(--highlight);
     font-weight: 500;
     padding: 0.125rem 0;
     border-radius: 0.25rem;
     border-bottom: 2px solid var(--highlight);
     cursor: pointer;
     transition: background-color 0.2s, color 0.2s;
 }

 .editor__highlight:hover {
     background-color: var(--highlight);
     color: var(--bg-primary);
 }

 .editor__placeholder {
     color: var(--text-secondary);
     font-style: italic;
     display: flex;
     align-items: center;
     justify-content: center;
     height: 100%;
     text-align: center;
 }

 /* ---------- STATS ---------- */
 .stats {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
     gap: 1rem;
     margin-bottom: 2rem;
 }

 .stat-card {
     background: var(--bg-secondary);
     border: 1px solid var(--border-color);
     border-radius: 0.75rem;
     padding: 1.25rem;
     display: flex;
     align-items: center;
     gap: 1rem;
 }

 .stat-card__icon {
     width: 2.5rem;
     height: 2.5rem;
     color: var(--accent);
     background: var(--bg-primary);
     border-radius: 0.75rem;
     padding: 0.5rem;
 }

 .stat-card__value {
     font-size: 1.5rem;
     font-weight: 700;
     line-height: 1.2;
 }

 .stat-card__label {
     font-size: 0.875rem;
     color: var(--text-secondary);
 }

 /* ---------- WORD LIST ---------- */
 .word-list {
     background: var(--bg-secondary);
     border: 1px solid var(--border-color);
     border-radius: 0.75rem;
     overflow: hidden;
 }

 .word-list__header {
     padding: 1rem;
     border-bottom: 1px solid var(--border-color);
     font-weight: 600;
     display: flex;
     justify-content: space-between;
     align-items: center;
 }

 .word-list__grid {
     display: flex;
     flex-wrap: wrap;
     gap: 0.5rem;
     padding: 1rem;
 }

 .word-chip {
     background: var(--bg-primary);
     border: 1px solid var(--border-color);
     border-radius: 2rem;
     padding: 0.375rem 1rem;
     font-size: 0.875rem;
     display: inline-flex;
     align-items: center;
     gap: 0.5rem;
     transition: all 0.2s;
 }

 .word-chip:hover {
     border-color: var(--accent);
     background: var(--accent);
     color: white;
 }

 .word-chip__count {
     background: var(--accent-light);
     color: white;
     border-radius: 1rem;
     padding: 0.125rem 0.5rem;
     font-size: 0.75rem;
     margin-left: 0.25rem;
 }

 .word-chip:hover .word-chip__count {
     background: white;
     color: var(--accent);
 }

 /* ---------- FOOTER ---------- */
 .footer {
     margin-top: 3rem;
     padding-top: 1.5rem;
     border-top: 1px solid var(--border-color);
     display: flex;
     justify-content: space-between;
     align-items: center;
     color: var(--text-secondary);
     font-size: 0.875rem;
     flex-wrap: wrap;
     gap: 1rem;
 }

 .footer__links {
     display: flex;
     gap: 1.5rem;
 }

 .footer__link {
     color: var(--text-secondary);
     text-decoration: none;
     transition: color 0.2s;
 }

 .footer__link:hover {
     color: var(--accent);
 }

 /* ---------- TRANSLATION TOOLTIP ---------- */
 .translation-tooltip {
     position: absolute;
     background: #FFFFFF;
     color: var(--text-primary);
     border: 1px solid var(--border-color);
     border-radius: 0.75rem;
     padding: 0.2rem 0.875rem;
     font-size: 0.875rem;
     font-weight: 500;
     z-index: 1000;
     pointer-events: none;
     opacity: 0;
     visibility: hidden;
     transition: opacity 0.2s, visibility 0.2s, transform 0.2s ease-out;
     white-space: nowrap;
     transform: translateY(10px) translateX(-50%);
 }

 .translation-tooltip.visible {
     opacity: 1;
     visibility: visible;
     transform: translateY(0) translateX(-50%);
 }

 .translation-tooltip__icon {
     width: 1.25rem;
     height: 1.25rem;
     color: var(--accent);
     flex-shrink: 0;
 }

 .translation-tooltip__icon--spin {
     animation: spin 1s linear infinite;
 }

 @keyframes spin {
     from {
         transform: rotate(0deg);
     }

     to {
         transform: rotate(360deg);
     }
 }