@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ============================================================
   Торсор — надстройка над Bootstrap 5.3.
   Современная светлая тема; адаптив под десктоп, планшет, смартфон.
   Все функциональные классы (журнал, расписание, читалка и т.д.)
   сохранены — меняется только оформление.
   ============================================================ */

:root {
    /* Бренд */
    --ej-primary: #1f4e79;
    --ej-primary-600: #24608f;
    --ej-primary-700: #17395a;
    --ej-primary-soft: #eef4fb;

    /* Нейтральные */
    --ej-ink: #1a2430;
    --ej-muted: #64717f;
    --ej-line: #e7ebf1;
    --ej-line-soft: #eef1f6;
    --ej-surface: #ffffff;
    --ej-bg: #f3f6fa;

    /* Состояния журнала */
    --ej-absent: #fdece9;
    --ej-late: #fff4e2;
    --ej-excused: #eef3fb;

    /* Форма и тени */
    --ej-radius: 14px;
    --ej-radius-sm: 10px;
    --ej-radius-xs: 8px;
    --ej-shadow-sm: 0 1px 2px rgb(16 33 56 / 6%), 0 1px 3px rgb(16 33 56 / 4%);
    --ej-shadow: 0 6px 20px rgb(16 33 56 / 8%);
    --ej-shadow-lg: 0 16px 40px rgb(16 33 56 / 13%);

    /* Bootstrap под нашу тему */
    --bs-body-bg: var(--ej-bg);
    --bs-body-color: var(--ej-ink);
    --bs-body-font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --bs-border-color: var(--ej-line);
    --bs-border-radius: var(--ej-radius-sm);
    --bs-border-radius-sm: var(--ej-radius-xs);
    --bs-border-radius-lg: var(--ej-radius);
    --bs-link-color: var(--ej-primary);
    --bs-link-hover-color: var(--ej-primary-700);
    --bs-secondary-color: var(--ej-muted);
    --bs-primary: var(--ej-primary);
    --bs-primary-rgb: 31, 78, 121;
}

* { -webkit-tap-highlight-color: transparent; }

body {
    background: var(--ej-bg);
    color: var(--ej-ink);
    font-family: var(--bs-body-font-family);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 { font-weight: 600; letter-spacing: -.2px; color: var(--ej-ink); }
a { color: var(--ej-primary); text-underline-offset: 2px; }
a:hover { color: var(--ej-primary-700); }
:focus-visible { outline: 2px solid var(--ej-primary); outline-offset: 2px; border-radius: 4px; }
.text-secondary { color: var(--ej-muted) !important; }

/* ---------- Кнопки ---------- */
.btn {
    --bs-btn-border-radius: var(--ej-radius-xs);
    font-weight: 500;
    padding-inline: 1rem;
    transition: transform .06s ease, filter .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
    --bs-btn-bg: var(--ej-primary);
    --bs-btn-border-color: var(--ej-primary);
    --bs-btn-hover-bg: var(--ej-primary-600);
    --bs-btn-hover-border-color: var(--ej-primary-600);
    --bs-btn-active-bg: var(--ej-primary-700);
    --bs-btn-active-border-color: var(--ej-primary-700);
    box-shadow: 0 2px 8px rgb(31 78 121 / 22%);
}
.btn-outline-primary {
    --bs-btn-color: var(--ej-primary);
    --bs-btn-border-color: var(--ej-line);
    --bs-btn-hover-bg: var(--ej-primary);
    --bs-btn-hover-border-color: var(--ej-primary);
    --bs-btn-active-bg: var(--ej-primary-700);
}
.bg-primary { background-color: var(--ej-primary) !important; }
.text-primary { color: var(--ej-primary) !important; }

/* ---------- Навигация ---------- */
.app-nav {
    background: linear-gradient(100deg, #1b466c 0%, var(--ej-primary) 55%, #245e8f 100%);
    box-shadow: 0 2px 14px rgb(16 33 56 / 16%);
    padding-block: .5rem;
}
.app-nav .navbar-brand { color: #fff; font-weight: 600; letter-spacing: -.2px; }
.app-nav .navbar-brand:hover { color: #fff; }
.app-nav .nav-link { color: rgb(255 255 255 / 82%); font-weight: 500; }
.app-nav .nav-link:hover, .app-nav .nav-link:focus { color: #fff; }

.app-nav .app-menu .nav-link {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .45rem .7rem; white-space: nowrap; border-radius: 9px;
    transition: background-color .15s ease, color .15s ease;
}
.app-nav .app-menu .nav-link:hover { background: rgb(255 255 255 / 12%); color: #fff; }
.app-nav .app-menu .nav-link.active { background: rgb(255 255 255 / 18%); color: #fff; }
.app-nav .app-menu .dropdown-toggle::after { margin-left: .35rem; opacity: .7; }

@media (min-width: 992px) {
    .app-nav .app-menu { flex: 1 1 auto; min-width: 0; flex-wrap: wrap; column-gap: .15rem; row-gap: .2rem; }
    .app-nav .nav-right { flex: 0 0 auto; }
}

.brand-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 10px;
    background: #fff; color: var(--ej-primary);
    font-weight: 700; font-size: .95rem;
    box-shadow: 0 2px 8px rgb(0 0 0 / 12%);
}
.brand-mark-lg {
    width: 60px; height: 60px; border-radius: 18px;
    background: linear-gradient(150deg, var(--ej-primary), #2f6ea5);
    color: #fff; font-size: 1.5rem;
    box-shadow: 0 8px 22px rgb(31 78 121 / 30%);
}

/* Выпадающие меню (подменю разделов и меню в правой части) */
.dropdown-menu {
    --bs-dropdown-border-color: var(--ej-line);
    --bs-dropdown-link-active-bg: var(--ej-primary);
    border: 1px solid var(--ej-line);
    border-radius: var(--ej-radius-sm);
    box-shadow: var(--ej-shadow-lg);
    padding: .4rem;
    margin-top: .4rem !important;
}
.dropdown-menu .dropdown-item { border-radius: 8px; padding: .5rem .7rem; font-weight: 500; }
.dropdown-menu .dropdown-item i { width: 1.15rem; text-align: center; margin-right: .15rem; color: var(--ej-muted); }
.dropdown-menu .dropdown-item.active, .dropdown-menu .dropdown-item:active { color: #fff; }
.dropdown-menu .dropdown-item.active i, .dropdown-menu .dropdown-item:active i { color: #fff; }
.dropdown-header { font-size: .72rem; text-transform: uppercase; letter-spacing: .5px; color: var(--ej-muted); }

.app-nav .nav-right .btn-outline-light {
    --bs-btn-border-color: rgb(255 255 255 / 30%);
    --bs-btn-hover-bg: rgb(255 255 255 / 15%);
    --bs-btn-hover-border-color: rgb(255 255 255 / 45%);
    --bs-btn-color: #fff;
    border-radius: 9px;
}
.app-nav .navbar-toggler { border-color: rgb(255 255 255 / 35%); }
.app-nav .navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgb(255 255 255 / 25%); }

/* Мобильное меню (гамбургер) */
@media (max-width: 991.98px) {
    .app-nav .navbar-collapse {
        margin-top: .6rem; padding: .5rem;
        background: rgb(255 255 255 / 8%); border-radius: var(--ej-radius-sm);
    }
    .app-nav .app-menu .nav-link { padding: .6rem .8rem; }
    .app-nav .app-menu .dropdown-menu { background: #fff; margin: .2rem .2rem .4rem !important; }
    .app-nav .nav-right { margin-top: .5rem; padding-top: .5rem; border-top: 1px solid rgb(255 255 255 / 15%); }
}

/* ---------- Карточки ---------- */
.card {
    --bs-card-border-color: var(--ej-line);
    --bs-card-border-radius: var(--ej-radius);
    border: 1px solid var(--ej-line);
    border-radius: var(--ej-radius);
    box-shadow: var(--ej-shadow-sm);
    background: var(--ej-surface);
}
.card-header { background: transparent; border-bottom: 1px solid var(--ej-line-soft); font-weight: 600; padding-block: .85rem; }
.card-footer { background: transparent; border-top: 1px solid var(--ej-line-soft); }
a.card, .card.stat-card { transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease; }
a.card:hover, .stat-card:hover { transform: translateY(-3px); box-shadow: var(--ej-shadow); border-color: #d7dee8; }

.stat-card { color: inherit; }
.stat-value { font-size: 1.9rem; font-weight: 700; line-height: 1.15; letter-spacing: -.5px; }
.stat-label { color: var(--ej-muted); font-size: .82rem; font-weight: 500; }
.stat-card .bi { font-size: 1.3rem; color: var(--ej-primary); opacity: .9; }

/* ---------- Формы ---------- */
.form-control, .form-select { border-radius: var(--ej-radius-xs); border-color: var(--ej-line); padding: .5rem .75rem; transition: border-color .15s ease, box-shadow .15s ease; }
.form-control:focus, .form-select:focus { border-color: var(--ej-primary); box-shadow: 0 0 0 .2rem rgb(31 78 121 / 15%); }
.form-label { font-weight: 500; margin-bottom: .35rem; }
.input-group-text { background: var(--ej-primary-soft); border-color: var(--ej-line); }
.badge { font-weight: 600; border-radius: 7px; padding: .35em .6em; }

/* ---------- Таблицы ---------- */
.table { --bs-table-border-color: var(--ej-line-soft); }
.table > thead th { font-size: .78rem; text-transform: uppercase; letter-spacing: .4px; color: var(--ej-muted); font-weight: 600; border-bottom-color: var(--ej-line); }
.table-hover > tbody > tr:hover > * { background-color: var(--ej-primary-soft); }

/* ---------- Журнал (закрепление строк/столбцов сохранено) ---------- */
.journal-scroll { max-height: 72vh; overflow: auto; border-radius: var(--ej-radius-sm); }
.journal-table { border-collapse: separate; border-spacing: 0; }
.journal-table th, .journal-table td { vertical-align: middle; }
.journal-table thead th { position: sticky; top: 0; z-index: 2; background: #fff; text-transform: none; letter-spacing: normal; color: var(--ej-ink); box-shadow: inset 0 -1px 0 var(--ej-line); }
.journal-table .sticky-col { position: sticky; left: 0; z-index: 1; background: #fff; min-width: 220px; white-space: nowrap; box-shadow: inset -1px 0 0 var(--ej-line); }
.journal-table thead .sticky-col { z-index: 3; }
.lesson-head { min-width: 58px; }

.grade-cell { cursor: pointer; font-weight: 600; min-width: 58px; transition: background-color .1s ease; }
.grade-cell:hover { background: var(--ej-primary-soft); }
.grade-cell:focus-visible { outline: 2px solid var(--ej-primary); outline-offset: -2px; }
.grade-cell.cell-absent { background: var(--ej-absent); color: #b02a37; }
.grade-cell.cell-late { background: var(--ej-late); color: #a06400; }
.grade-cell.cell-excused { background: var(--ej-excused); color: #495b6d; }
.grade-cell.cell-saved { animation: cell-flash .6s ease; }
@keyframes cell-flash { from { background: #d1e7dd; } to { background: transparent; } }
.empty-state { color: var(--ej-muted); }

/* ---------- Расписание ---------- */
.schedule-table td, .schedule-table th { vertical-align: top; }
.schedule-table thead th { text-transform: none; letter-spacing: normal; color: var(--ej-ink); }
.schedule-table .sticky-col { position: sticky; left: 0; background: #fff; z-index: 1; box-shadow: inset -1px 0 0 var(--ej-line); }
.slot-cell { min-width: 150px; height: 74px; cursor: pointer; transition: background-color .1s ease; }
.slot-cell:not(.slot-filled):hover { background: var(--ej-primary-soft); }
.slot-cell.slot-filled { cursor: default; background: #fbfcfd; }
.slot-plus { opacity: 0; transition: opacity .12s ease; }
.slot-cell:hover .slot-plus { opacity: 1; }
.final-cell .form-control { font-weight: 600; }

/* ---------- Страница входа ---------- */
.login-page {
    min-height: 100vh;
    background: radial-gradient(1100px 560px at 12% -10%, #2f6ea5 0%, transparent 55%),
                linear-gradient(160deg, #1b466c 0%, var(--ej-primary) 60%, #163a5b 100%);
}
.login-page .card { border: none; box-shadow: var(--ej-shadow-lg); border-radius: 18px; }

/* ---------- Уведомления ---------- */
.notification-menu { width: min(360px, 92vw); max-height: 72vh; overflow: auto; padding: 0; }
.notification-item { white-space: normal; border-radius: 8px; }
.notification-item:hover { background: var(--ej-primary-soft); }

/* ---------- Библиотека ---------- */
.book-card { overflow: hidden; }
.book-cover { position: relative; aspect-ratio: 3 / 4; background: #eef1f5; overflow: hidden; }
.book-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .2s ease; }
.book-card:hover .book-cover img { transform: scale(1.04); }
.book-cover-lg { aspect-ratio: 3 / 4; border-radius: var(--ej-radius) var(--ej-radius) 0 0; }
.book-cover-blank { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; color: #8a97a5; gap: .5rem; }
.book-badge { position: absolute; top: 8px; right: 8px; }

.reader-card { min-height: 70vh; }
.reader-body { background: #eef1f5; overflow: auto; max-height: 78vh; }
#pdfCanvas { box-shadow: var(--ej-shadow); background: #fff; max-width: 100%; border-radius: 4px; }

/* ---------- Статистика ---------- */
.activity-chart { display: flex; align-items: flex-end; gap: 3px; height: 140px; }
.activity-bar { flex: 1; background: var(--ej-primary); opacity: .75; border-radius: 4px 4px 0 0; min-height: 4px; transition: opacity .12s ease; }
.activity-bar:hover { opacity: 1; }

/* ---------- Тесты и курсы ---------- */
.timer-box { background: var(--ej-primary); color: #fff; padding: .4rem .9rem; border-radius: 10px; font-variant-numeric: tabular-nums; font-weight: 600; }
.timer-box.timer-warning { background: #b02a37; }
.question-card { scroll-margin-top: 90px; }
.order-item { cursor: default; }
.lesson-content { line-height: 1.7; }

footer { background: transparent; color: var(--ej-muted); }

/* ---------- Адаптив: смартфоны ---------- */
@media (max-width: 575.98px) {
    main.container-xxl { padding-top: 1rem !important; padding-bottom: 1.5rem !important; }
    .card-body { padding: 1rem; }
    .stat-value { font-size: 1.55rem; }
    h1, .h1 { font-size: 1.5rem; }
    h2, .h2 { font-size: 1.3rem; }
    .table { font-size: .9rem; }
    .btn { padding-inline: .85rem; }
    .modal-dialog { margin: .5rem; }
}

/* Крупнее области нажатия на сенсорных экранах */
@media (pointer: coarse) {
    .btn, .form-control, .form-select, .dropdown-item, .page-link { min-height: 44px; }
    .btn.btn-sm { min-height: 38px; }
    .app-nav .app-menu .nav-link { min-height: 42px; }
}

/* ---------- Печать ---------- */
@media print {
    .app-nav, footer, .btn, .d-print-none { display: none !important; }
    body { background: #fff; }
    .card, .print-sheet { border: none; box-shadow: none; }
    .table { font-size: 12px; }
    a[href]:after { content: none !important; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}