/* ============ ОСНОВНЫЕ СТИЛИ ============ */
:root {
    --color-primary: #1e2b5c;
    --color-primary-light: #2d3f7a;
    --color-primary-dark: #15204a;
    --color-primary-gradient: linear-gradient(135deg, #1e2b5c 0%, #2d3f7a 50%, #3b4f8a 100%);
    
    --color-bg: #fafbff;
    --color-bg-card: #ffffff;
    --color-bg-hover: #f5f7ff;
    --color-bg-gradient: linear-gradient(180deg, #fafbff 0%, #f0f3ff 100%);
    
    --color-text: #0f172a;
    --color-text-secondary: #5a6478;
    --color-text-muted: #a0a8bc;
    
    --color-accent: #4f46e5;
    --color-accent-light: #818cf8;
    --color-accent-bg: rgba(79, 70, 229, 0.06);
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-replacement: #ff6b35;
    --color-replacement-bg: #fff8f5;
    
    --color-border: #e8ecf5;
    --color-border-light: #f1f4fb;
    
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.03);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.08);
    --shadow-xl: 0 24px 60px rgba(15, 23, 42, 0.12);
    
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --z-header: 100;
    --z-menu: 200;
    --z-modal: 300;
    --z-toast: 400;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg-gradient);
    color: var(--color-text);
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px 100px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ============ ШАПКА ============ */
.header {
    background: var(--color-primary-gradient);
    color: white;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    margin: 0 -20px;
    box-shadow: 0 8px 32px rgba(30, 43, 92, 0.25);
    animation: slideDown 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.header__title {
    font-size: 1.3rem;
    font-weight: 700;
    flex: 1;
    text-align: center;
    letter-spacing: -0.02em;
}

/* ============ КНОПКИ В ШАПКЕ ============ */
.header__burger,
.theme-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.header__burger:hover,
.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.header__burger:active,
.theme-toggle:active {
    transform: scale(0.95);
}

/* ============ ВЫБОР КЛАССА ============ */
.class-selector {
    padding: 28px 0 20px;
    animation: fadeInUp 0.5s ease 0.1s both;
    position: relative;
    z-index: 30;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.grade-chips {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    margin-bottom: 16px;
    padding: 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.grade-chips::-webkit-scrollbar {
    display: none;
}

.grade-chip {
    flex-shrink: 0;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-border);
    background: var(--color-bg-card);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xs);
}

.grade-chip:hover {
    border-color: var(--color-accent-light);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.grade-chip:active {
    transform: translateY(0);
}

.grade-chip--active {
    background: var(--color-primary-gradient);
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 16px rgba(30, 43, 92, 0.3);
}

/* ============ ДНИ НЕДЕЛИ ============ */
.day-nav {
    display: flex;
    gap: 6px;
    padding: 8px;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    margin: 24px 0;
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.5s ease 0.2s both;
    transition: background-color 0.3s ease;
}

.day-nav__item {
    flex: 1;
    padding: 14px 8px;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    position: relative;
}

.day-nav__item:hover {
    background: var(--color-bg-hover);
    color: var(--color-accent);
}

.day-nav__item:active {
    transform: scale(0.95);
}

.day-nav__item--active {
    background: var(--color-primary-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(30, 43, 92, 0.25);
}

/* ============ ВИДЖЕТ СЕЙЧАС ============ */
.widget-now {
    margin: 24px 0;
    padding: 24px;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border-left: 5px solid var(--color-accent);
    min-height: 80px;
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.5s ease 0.3s both;
    transition: all var(--transition-base);
}

.widget-now:hover {
    box-shadow: var(--shadow-md);
}

/* ============ СПИСОК УРОКОВ ============ */
.lessons-list {
    margin-top: 24px;
    animation: fadeInUp 0.5s ease 0.4s both;
}

.lesson-card {
    background: var(--color-bg-card);
    padding: 22px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    display: flex;
    gap: 16px;
    align-items: center;
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
}

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

.lesson-card:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.lesson-card--replacement {
    background: var(--color-replacement-bg);
    border-left: 4px solid var(--color-replacement);
}

.lesson-card__time {
    flex-shrink: 0;
    width: 65px;
    text-align: center;
}

.lesson-card__number {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.lesson-card__start {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-primary);
}

.lesson-card__end {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-text-secondary);
}

.lesson-card__info {
    flex: 1;
}

.lesson-card__subject {
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 4px;
    color: var(--color-text);
}

.lesson-card__teacher,
.lesson-card__room {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ============ SVG ИКОНКИ ============ */
.icon {
    width: 18px;
    height: 18px;
    display: inline-block;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    flex-shrink: 0;
}

.icon-teacher {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235a6478' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E");
}

.icon-room {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235a6478' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 21h18'/%3E%3Cpath d='M5 21V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2v16'/%3E%3Cpath d='M9 7h1M14 7h1M9 11h1M14 11h1M9 15h1M14 15h1'/%3E%3C/svg%3E");
}

.icon-nav {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234f46e5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z'/%3E%3Cpath d='M2 12h20'/%3E%3C/svg%3E");
}

/* Кнопка навигации */
.nav-btn {
    background: var(--color-accent-bg);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.nav-btn:hover {
    background: var(--color-accent);
    transform: scale(1.1);
}

.nav-btn:active {
    transform: scale(0.9);
}

.nav-btn:hover .icon-nav {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z'/%3E%3Cpath d='M2 12h20'/%3E%3C/svg%3E");
}

/* ============ МЕНЮ ============ */
.menu__panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 310px;
    max-width: 85vw;
    height: 100vh;
    background: var(--color-bg-card);
    z-index: var(--z-menu);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    padding: 28px 24px;
    box-shadow: var(--shadow-xl);
    overflow-y: auto;
}

.menu--open .menu__panel {
    transform: translateX(0);
}

.menu__overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: calc(var(--z-menu) - 1);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    backdrop-filter: blur(4px);
}

.menu--open .menu__overlay {
    opacity: 1;
    visibility: visible;
}

.menu__list {
    list-style: none;
    padding: 0;
    margin-top: 24px;
}

.menu__link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    margin-bottom: 6px;
    transition: all var(--transition-base);
}

.menu__link:hover {
    background: var(--color-bg-hover);
    transform: translateX(4px);
}

.menu__link--active {
    background: var(--color-accent-bg);
    color: var(--color-accent);
    font-weight: 600;
}

/* ============ МОДАЛЬНЫЕ ОКНА ============ */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.5);
    visibility: hidden;
    opacity: 0;
    transition: all var(--transition-base);
    backdrop-filter: blur(8px);
}

.modal--open {
    visibility: visible;
    opacity: 1;
}

.modal__content {
    background: var(--color-bg-card);
    padding: 32px 28px;
    border-radius: var(--radius-xl);
    max-width: 420px;
    width: 90%;
    position: relative;
    z-index: 1;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-xl);
}

.modal--open .modal__content {
    transform: scale(1) translateY(0);
}

.modal__overlay {
    position: absolute;
    inset: 0;
}

/* ============ КНОПКИ ============ */
.btn {
    padding: 14px 24px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    font-weight: 600;
    margin: 4px;
    transition: all var(--transition-base);
    font-size: 0.95rem;
}

.btn:active {
    transform: scale(0.97);
}

.btn--primary {
    background: var(--color-primary-gradient);
    color: white;
    box-shadow: 0 4px 16px rgba(30, 43, 92, 0.3);
}

.btn--primary:hover {
    box-shadow: 0 8px 24px rgba(30, 43, 92, 0.4);
    transform: translateY(-2px);
}

.btn--secondary {
    background: var(--color-bg-hover);
    color: var(--color-text);
}

.btn--secondary:hover {
    background: var(--color-border);
}

/* ============ ТОСТЫ ============ */
.toast-container {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    pointer-events: none;
}

.toast {
    padding: 16px 24px;
    background: var(--color-text);
    color: var(--color-bg-card);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.4s cubic-bezier(0.4, 0, 0.2, 1), toastOut 0.4s ease 3.5s forwards;
    pointer-events: auto;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(20px) scale(0.9); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(-20px) scale(0.9); }
}

/* ============ СТРАНИЦЫ ============ */
.page {
    display: none;
}

.page--active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============ ЗВОНКИ ============ */
.bell-item {
    background: var(--color-bg-card);
    padding: 18px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 10px;
    display: flex;
    gap: 16px;
    align-items: center;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.bell-item:hover {
    box-shadow: var(--shadow-sm);
}

.bell-item--current {
    background: var(--color-accent-bg);
    border-left: 4px solid var(--color-accent);
}

/* ============ АДАПТИВНОСТЬ ============ */
@media (max-width: 480px) {
    body {
        padding: 0 12px 80px;
    }
    
    .header {
        margin: 0 -12px;
        padding: 14px 16px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }
    
    .lesson-card {
        padding: 16px 14px;
        gap: 12px;
    }
    
    .lesson-card__time {
        width: 55px;
    }
    
    .grade-chip {
        padding: 10px 18px;
        font-size: 0.85rem;
    }
}

/* ============ ДОПОЛНИТЕЛЬНЫЕ СТИЛИ ============ */

.header__actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.menu__title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
}

.menu__close {
    background: var(--color-bg-hover);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.menu__close:hover {
    background: var(--color-border);
    transform: rotate(90deg);
}

.page__title {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 24px 0;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.page__placeholder {
    text-align: center;
    padding: 80px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.page__placeholder .icon {
    opacity: 0.4;
}

.contacts-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.contacts-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 0;
    color: var(--color-text-secondary);
}

.contacts-item:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
}

.modal__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.modal__text {
    margin: 14px 0;
    color: var(--color-text-secondary);
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.modal__close {
    background: var(--color-bg-hover);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.modal__close:hover {
    background: var(--color-border);
}

.modal__actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

.modal__actions .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
}

/* ============ КАСТОМНЫЙ СЕЛЕКТ ============ */
.custom-select {
    position: relative;
    z-index: 30;
}

.custom-select__dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    z-index: 40;
    max-height: 320px;
}

.custom-select__overlay {
    position: fixed;
    inset: 0;
    z-index: 35;
}

.custom-select__trigger {
    position: relative;
    z-index: 30;
}

/* ============ ГРУППОВЫЕ УРОКИ ============ */
.lesson-card__groups {
    flex: 1;
    display: flex;
    gap: 12px;
    align-items: stretch;
}

.lesson-card__group {
    flex: 1;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-hover);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.lesson-card__group-label {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
}

.lesson-card__group-divider {
    width: 2px;
    background: var(--color-border);
    border-radius: 2px;
}

.lesson-card__group .lesson-card__subject {
    font-size: 1rem;
    font-weight: 700;
}

.lesson-card__group .lesson-card__teacher {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.lesson-card__group .lesson-card__room {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ============ МОБИЛЬНАЯ АДАПТАЦИЯ ГРУПП ============ */
@media (max-width: 480px) {
    .lesson-card {
        flex-wrap: wrap;
    }
    
    .lesson-card__time {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 8px;
        justify-content: flex-start;
    }
    
    .lesson-card__groups {
        flex-direction: column;
        width: 100%;
        gap: 8px;
    }
    
    .lesson-card__group {
        width: 100%;
    }
    
    .lesson-card__group-divider {
        width: 100%;
        height: 1px;
    }
    
    .lesson-card__group .lesson-card__subject {
        font-size: 0.9rem;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    .lesson-card__group .lesson-card__teacher {
        font-size: 0.75rem;
        word-break: break-word;
    }
    
    .lesson-card__group .lesson-card__room {
        font-size: 0.7rem;
    }
}

/* ============ УВЕДОМЛЕНИЯ ============ */
.notifications-page {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.notif-header__title {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.notif-header__subtitle {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.notif-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.notif-card--main {
    border: 2px solid var(--color-accent);
    background: var(--color-accent-bg);
}

.notif-card__header {
    display: flex;
    align-items: center;
    gap: 14px;
}

.notif-card__icon {
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-hover);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.notif-card__info {
    flex: 1;
}

.notif-card__title {
    font-size: 0.95rem;
    font-weight: 600;
}

.notif-card__desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.notif-card__body {
    margin-top: 14px;
    padding-left: 58px;
}

.notif-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: var(--color-success-bg, #ecfdf5);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    color: #047857;
}

.notif-section {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--color-border-light);
}

.notif-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.notif-section__header h3 {
    font-size: 1rem;
    font-weight: 700;
}

.notif-link {
    background: none;
    border: none;
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.class-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(65px, 1fr));
    gap: 8px;
}

.class-check {
    padding: 12px 8px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    text-align: center;
}

.class-check:hover {
    border-color: var(--color-accent-light);
    transform: translateY(-2px);
}

.class-check--active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(30, 43, 92, 0.3);
}

.day-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.day-check {
    padding: 14px 8px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    text-align: center;
}

.day-check--active {
    background: var(--color-accent-bg);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.time-selector {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.time-btn {
    padding: 10px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-bg-card);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.time-btn--active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.dnd-time {
    display: flex;
    align-items: center;
    gap: 10px;
}

.dnd-time input {
    padding: 10px 14px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.quick-btn {
    padding: 14px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text);
    transition: all var(--transition-base);
}

.quick-btn:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-bg);
    transform: translateY(-2px);
}

.notif-actions {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.notif-actions .btn {
    flex: 1;
}

/* ============ ТОГЛ ============ */
.toggle {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    cursor: pointer;
    flex-shrink: 0;
}

.toggle--large {
    width: 60px;
    height: 32px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle__slider {
    position: absolute;
    inset: 0;
    background: var(--color-border);
    border-radius: 28px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toggle__slider::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.toggle--large .toggle__slider::before {
    width: 26px;
    height: 26px;
}

.toggle input:checked + .toggle__slider {
    background: var(--color-success);
}

.toggle input:checked + .toggle__slider::before {
    transform: translateX(24px);
}

.toggle--large input:checked + .toggle__slider::before {
    transform: translateX(28px);
}

/* ============ ПАНЕЛЬ ДЛЯ СЛАБОВИДЯЩИХ ============ */
.accessibility-toggle {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.accessibility-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.accessibility-panel {
    position: fixed;
    top: 70px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 16px;
    z-index: 150;
    width: calc(100% - 32px);
    max-width: 600px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.accessibility-panel--open {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.accessibility-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

.accessibility-panel__title {
    font-size: 0.9rem;
    font-weight: 700;
}

.accessibility-panel__close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--color-text-secondary);
}

.accessibility-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border-light);
    flex-wrap: wrap;
    gap: 8px;
}

.accessibility-row__label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    min-width: 100px;
}

.accessibility-row__controls {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.accessibility-btn {
    padding: 8px 12px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.accessibility-btn:hover {
    border-color: var(--color-accent-light);
}

.accessibility-btn--active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

/* Кнопки цветов */
.accessibility-color {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.accessibility-color:hover {
    transform: scale(1.1);
}

.accessibility-color--black { background: #ffffff; border-color: #000000; }
.accessibility-color--white { background: #000000; border-color: #ffffff; }
.accessibility-color--blue { background: #9dc8ff; border-color: #063971; }
.accessibility-color--brown { background: #f7f3d6; border-color: #4d4b43; }

/* Настройки в модалке */
.accessibility-setting {
    margin-bottom: 16px;
}

.accessibility-setting__label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text);
}

.accessibility-setting__controls {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

/* ============ РЕЖИМЫ ДЛЯ СЛАБОВИДЯЩИХ ============ */

/* Крупный шрифт */
.accessibility-font-large body {
    font-size: 1.2rem;
}

.accessibility-font-larger body {
    font-size: 1.4rem;
}

/* Чёрный на белом */
.accessibility-color-black body {
    background: #ffffff !important;
    color: #000000 !important;
}

/* Белый на чёрном */
.accessibility-color-white body {
    background: #000000 !important;
    color: #ffffff !important;
}

/* Голубой фон */
.accessibility-color-blue body {
    background: #9dc8ff !important;
    color: #063971 !important;
}

/* Бежевый фон */
.accessibility-color-brown body {
    background: #f7f3d6 !important;
    color: #4d4b43 !important;
}

/* Без изображений */
.accessibility-images-none img,
.accessibility-images-none .icon {
    display: none !important;
}

/* Ч/б изображения */
.accessibility-images-bw img {
    filter: grayscale(100%) !important;
}

/* Межбуквенное расстояние */
.accessibility-letter-spacing-medium body {
    letter-spacing: 0.08em !important;
}

.accessibility-letter-spacing-large body {
    letter-spacing: 0.15em !important;
}

/* Межстрочный интервал */
.accessibility-line-height-medium body {
    line-height: 1.8 !important;
}

.accessibility-line-height-large body {
    line-height: 2.2 !important;
}

/* Шрифт с засечками */
.accessibility-font-serif body {
    font-family: Georgia, 'Times New Roman', serif !important;
}

/* ============ ЦВЕТОВЫЕ СХЕМЫ (с !important для переопределения) ============ */

.accessibility-color-black body,
body.accessibility-color-black {
    background: #ffffff !important;
    color: #000000 !important;
}

body.accessibility-color-black .header,
body.accessibility-color-black .lesson-card,
body.accessibility-color-black .day-nav,
body.accessibility-color-black .widget-now,
body.accessibility-color-black .menu__panel,
body.accessibility-color-black .modal__content,
body.accessibility-color-black .notif-card,
body.accessibility-color-black .notif-section {
    background: #ffffff !important;
    color: #000000 !important;
    border-color: #000000 !important;
}

.accessibility-color-white body,
body.accessibility-color-white {
    background: #000000 !important;
    color: #ffffff !important;
}

body.accessibility-color-white .header,
body.accessibility-color-white .lesson-card,
body.accessibility-color-white .day-nav,
body.accessibility-color-white .widget-now,
body.accessibility-color-white .menu__panel,
body.accessibility-color-white .modal__content,
body.accessibility-color-white .notif-card,
body.accessibility-color-white .notif-section {
    background: #000000 !important;
    color: #ffffff !important;
    border-color: #ffffff !important;
}

.accessibility-color-blue body,
body.accessibility-color-blue {
    background: #9dc8ff !important;
    color: #063971 !important;
}

body.accessibility-color-blue .header,
body.accessibility-color-blue .lesson-card,
body.accessibility-color-blue .day-nav,
body.accessibility-color-blue .widget-now,
body.accessibility-color-blue .menu__panel,
body.accessibility-color-blue .modal__content,
body.accessibility-color-blue .notif-card,
body.accessibility-color-blue .notif-section {
    background: #9dc8ff !important;
    color: #063971 !important;
    border-color: #063971 !important;
}

.accessibility-color-brown body,
body.accessibility-color-brown {
    background: #f7f3d6 !important;
    color: #4d4b43 !important;
}

body.accessibility-color-brown .header,
body.accessibility-color-brown .lesson-card,
body.accessibility-color-brown .day-nav,
body.accessibility-color-brown .widget-now,
body.accessibility-color-brown .menu__panel,
body.accessibility-color-brown .modal__content,
body.accessibility-color-brown .notif-card,
body.accessibility-color-brown .notif-section {
    background: #f7f3d6 !important;
    color: #4d4b43 !important;
    border-color: #4d4b43 !important;
}