@font-face {
    font-family: "Vazirmatn";
    src: url("../fonts/Dxxo8j6PP2D_kU2muijlGMWWMmk.woff2") format("woff2");
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

:root {
    --bg-1: #eef6ff;
    --bg-2: #f8ecff;
    --bg-3: #ecfff8;
    --glass: rgba(255, 255, 255, 0.34);
    --glass-strong: rgba(255, 255, 255, 0.52);
    --glass-soft: rgba(255, 255, 255, 0.20);
    --line: rgba(255, 255, 255, 0.48);
    --text: #172033;
    --muted: #64748b;
    --primary: #5b5ce2;
    --primary-2: #14b8a6;
    --danger: #e11d48;
    --success: #059669;
    --warning: #b45309;
    --shadow: 0 24px 70px rgba(31, 41, 55, 0.14);
    --shadow-soft: 0 14px 36px rgba(31, 41, 55, 0.10);
    --radius: 26px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-height: 100vh;
    direction: rtl;
    color: var(--text);
    font-family: Vazirmatn, IRANSans, Tahoma, Arial, sans-serif;
    line-height: 1.8;
    background:
        radial-gradient(circle at 8% 12%, rgba(91, 92, 226, .24), transparent 30%),
        radial-gradient(circle at 88% 18%, rgba(20, 184, 166, .20), transparent 28%),
        radial-gradient(circle at 50% 92%, rgba(236, 72, 153, .14), transparent 34%),
        linear-gradient(135deg, var(--bg-1), var(--bg-2) 48%, var(--bg-3));
    background-attachment: fixed;
}
body::before,
body::after {
    content: "";
    position: fixed;
    width: 320px;
    height: 320px;
    border-radius: 999px;
    pointer-events: none;
    z-index: -1;
    filter: blur(6px);
}
body::before { inset: 6vh auto auto 8vw; background: rgba(255,255,255,.25); }
body::after { inset: auto 10vw 4vh auto; background: rgba(91,92,226,.12); }
a { color: inherit; text-decoration: none; }

.app-shell { display: flex; min-height: 100vh; gap: 22px; padding: 22px; }
.sidebar {
    width: 284px;
    height: calc(100vh - 44px);
    position: sticky;
    top: 22px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 24px;
    border-radius: 32px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow);
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 950;
    font-size: 1.08rem;
    line-height: 1.55;
    color: var(--primary);
}
.brand-logo {
    flex: 0 0 auto;
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 18px;
    background: rgba(255,255,255,.42);
    box-shadow: 0 12px 28px rgba(91,92,226,.22);
}
.brand span { min-width: 0; }
.sidebar nav { display: grid; gap: 10px; }
.sidebar nav a,
.user-box {
    border: 1px solid rgba(255,255,255,.38);
    border-radius: 20px;
    background: rgba(255,255,255,.22);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 10px 24px rgba(15, 23, 42, .06);
}
.sidebar nav a {
    padding: 12px 14px;
    color: #26344d;
    font-weight: 800;
    transition: transform .2s ease, background .2s ease, color .2s ease;
}
.sidebar nav a:hover,
.sidebar nav a.highlight {
    transform: translateY(-2px);
    color: #fff;
    background: linear-gradient(135deg, rgba(91,92,226,.88), rgba(20,184,166,.78));
}
.user-box { margin-top: auto; padding: 16px; display: grid; gap: 8px; }
.user-box span { font-weight: 900; }
.user-box a { color: var(--danger); font-weight: 800; }
.content { flex: 1; width: 100%; max-width: 1240px; margin: 0 auto; padding: 8px 0 28px; }

.glass,
.card,
.form-card,
.course-card,
.stat,
.calendar-card,
.login-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow);
}
.card,
.form-card,
.calendar-card,
.login-card { padding: 26px; }

.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin: 6px 0 24px;
    padding: 22px 24px;
    border-radius: 30px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.22);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow-soft);
}
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; line-height: 1.35; letter-spacing: -.04em; }
h2 { font-size: 1.35rem; margin-bottom: 14px; }
.eyebrow { color: var(--primary); font-weight: 950; margin: 0 0 6px; }
.muted, small, .course-meta { color: var(--muted); }

.hero {
    min-height: calc(100vh - 92px);
    display: grid;
    align-content: center;
    gap: 18px;
    padding: clamp(28px, 7vw, 74px);
    overflow: hidden;
    position: relative;
}
.hero::after {
    content: "";
    position: absolute;
    inset: auto -80px -120px auto;
    width: 360px;
    height: 360px;
    border-radius: 999px;
    background: rgba(255,255,255,.24);
}
.hero p { max-width: 680px; color: #475569; font-size: 1.08rem; }

.form-page { min-height: calc(100vh - 92px); display: grid; place-items: center; }
.login-page { width: 100%; display: grid; place-items: center; }
.login-card { width: min(100%, 460px); position: relative; overflow: hidden; }
.login-card::before {
    content: "";
    position: absolute;
    inset: -90px auto auto -80px;
    width: 210px;
    height: 210px;
    border-radius: 999px;
    background: rgba(91,92,226,.16);
}
.form-card, .login-card { display: grid; gap: 14px; width: min(100%, 520px); }
.form-card.wide { width: min(100%, 760px); }
.form-grid { display: grid; gap: 14px; }
label { font-weight: 900; color: #26344d; }
input, textarea, select {
    width: 100%;
    min-height: 48px;
    border: 1px solid rgba(255,255,255,.52);
    border-radius: 18px;
    padding: 12px 15px;
    color: var(--text);
    font: inherit;
    background: rgba(255,255,255,.34);
    outline: none;
    transition: border .2s ease, box-shadow .2s ease, background .2s ease;
}
textarea { resize: vertical; }
select[multiple] { min-height: 240px; }
input:focus, textarea:focus, select:focus {
    border-color: rgba(91,92,226,.7);
    background: rgba(255,255,255,.52);
    box-shadow: 0 0 0 4px rgba(91,92,226,.12);
}
.segmented { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.segmented label {
    padding: 12px 14px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.42);
    background: rgba(255,255,255,.28);
    cursor: pointer;
}

.btn {
    min-height: 44px;
    border: 1px solid rgba(255,255,255,.48);
    border-radius: 16px;
    padding: 10px 17px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #26344d;
    background: rgba(255,255,255,.32);
    box-shadow: 0 10px 24px rgba(15,23,42,.07);
    cursor: pointer;
    font: inherit;
    font-weight: 900;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(15,23,42,.10); }
.btn.primary { color: #fff; border-color: transparent; background: linear-gradient(135deg, var(--primary), var(--primary-2)); }
.btn.danger { color: #fff; border-color: transparent; background: linear-gradient(135deg, #fb7185, var(--danger)); }
.btn.small { min-height: 36px; padding: 7px 12px; border-radius: 13px; font-size: .92rem; }
.form-actions, .actions, .toggle-group { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.actions form { margin: 0; }

.flash-wrap { display: grid; gap: 10px; margin-bottom: 18px; }
.flash {
    padding: 13px 16px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.46);
    background: rgba(255,255,255,.36);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow-soft);
    font-weight: 800;
}
.flash.success { color: var(--success); }
.flash.danger { color: var(--danger); }
.flash.warning { color: var(--warning); }

.stats-grid, .course-grid, .split-grid { display: grid; gap: 18px; margin-bottom: 22px; }
.stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.split-grid { grid-template-columns: minmax(320px, 430px) 1fr; align-items: start; }
.course-grid { grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); }
.stat { padding: 24px; position: relative; overflow: hidden; }
.stat::after { content: ""; position: absolute; inset: auto auto -64px -54px; width: 150px; height: 150px; border-radius: 999px; background: rgba(91,92,226,.12); }
.stat span { display: block; font-size: 2.25rem; font-weight: 950; color: var(--primary); }
.stat p { margin-bottom: 0; color: var(--muted); font-weight: 800; }

.table-wrap { overflow-x: auto; border-radius: 22px; }
table { width: 100%; border-collapse: separate; border-spacing: 0 10px; }
th { color: var(--muted); font-size: .9rem; padding: 0 14px 4px; text-align: right; }
td {
    padding: 15px 14px;
    background: rgba(255,255,255,.28);
    border-top: 1px solid rgba(255,255,255,.42);
    border-bottom: 1px solid rgba(255,255,255,.42);
    vertical-align: middle;
}
td:first-child { border-radius: 0 18px 18px 0; border-right: 1px solid rgba(255,255,255,.42); }
td:last-child { border-radius: 18px 0 0 18px; border-left: 1px solid rgba(255,255,255,.42); }
td small { display: block; max-width: 520px; }

.course-card {
    padding: 24px;
    display: grid;
    gap: 13px;
    position: relative;
    overflow: hidden;
}
.course-card::before {
    content: "";
    position: absolute;
    inset: -64px -54px auto auto;
    width: 150px;
    height: 150px;
    border-radius: 999px;
    background: rgba(20,184,166,.14);
}
.course-card > * { position: relative; }
.course-card h2 { margin-bottom: 0; }
.exam-pill {
    width: fit-content;
    padding: 8px 13px;
    border-radius: 999px;
    color: #334155;
    background: rgba(255,255,255,.38);
    border: 1px solid rgba(255,255,255,.46);
    font-weight: 950;
}

.hidden { display: none !important; }
.calendar-card { overflow: hidden; }
.calendar-print-head { display: none; }
.calendar-title { font-size: 1.2rem; font-weight: 950; margin-bottom: 18px; }
.calendar-grid { display: grid; grid-template-columns: repeat(7, minmax(124px, 1fr)); gap: 12px; }
.calendar-weekdays { color: #475569; font-weight: 950; margin-bottom: 12px; text-align: center; }
.calendar-weekdays div { padding: 10px; border-radius: 16px; background: rgba(255,255,255,.24); }
.day-cell {
    min-height: 142px;
    padding: 11px;
    border-radius: 22px;
    border: 1px solid rgba(255,255,255,.46);
    background: rgba(255,255,255,.22);
    box-shadow: 0 12px 28px rgba(15,23,42,.06);
}
.muted-day { opacity: .45; }
.day-number {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 14px;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    font-weight: 950;
}
.exam-chip, .exam-line {
    margin-top: 9px;
    padding: 10px;
    border-radius: 17px;
    border: 1px solid rgba(255,255,255,.46);
    background: rgba(255,255,255,.34);
    box-shadow: 0 10px 20px rgba(15,23,42,.06);
    display: grid;
    gap: 2px;
}
.exam-chip strong, .exam-line strong { color: #1f2a44; }
.week-table { display: grid; gap: 13px; }
.week-row { display: grid; grid-template-columns: 190px 1fr; gap: 13px; align-items: stretch; }
.week-day, .week-exams {
    border: 1px solid rgba(255,255,255,.46);
    border-radius: 22px;
    background: rgba(255,255,255,.24);
    padding: 15px;
}
.week-day { display: grid; align-content: center; }
.week-day span { color: var(--muted); }
.week-exams { min-height: 78px; }
.empty { text-align: center; padding: 52px; }

@media (max-width: 980px) {
    .app-shell { display: block; padding: 14px; }
    .sidebar { position: static; width: 100%; height: auto; margin-bottom: 18px; }
    .content { padding: 0 0 18px; }
    .page-head { display: grid; }
    .split-grid, .stats-grid, .week-row { grid-template-columns: 1fr; }
    .calendar-card { overflow-x: auto; }
    .calendar-grid { grid-template-columns: repeat(7, minmax(96px, 1fr)); }
}

@media (max-width: 620px) {
    .sidebar nav, .segmented { grid-template-columns: 1fr; }
    .card, .form-card, .calendar-card, .login-card, .page-head { padding: 18px; border-radius: 22px; }
    .course-grid { grid-template-columns: 1fr; }
    .calendar-grid { grid-template-columns: repeat(7, minmax(84px, 1fr)); }
    .day-cell { min-height: 118px; }
}


.home-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
    gap: clamp(24px, 5vw, 58px);
    align-items: center;
    min-height: min(700px, calc(100vh - 92px));
    padding: clamp(30px, 7vw, 86px);
    overflow: hidden;
}
.home-hero--minimal {
    isolation: isolate;
    background:
        linear-gradient(135deg, rgba(255,255,255,.42), rgba(255,255,255,.18)),
        radial-gradient(circle at 88% 18%, rgba(20,184,166,.20), transparent 34%),
        radial-gradient(circle at 16% 88%, rgba(91,92,226,.18), transparent 36%);
}
.home-hero--minimal::before,
.home-hero--minimal::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
    z-index: -1;
}
.home-hero--minimal::before {
    inset: -150px auto auto -100px;
    width: 390px;
    height: 390px;
    background: radial-gradient(circle, rgba(91,92,226,.28), transparent 66%);
}
.home-hero--minimal::after {
    inset: auto -110px -130px auto;
    width: 430px;
    height: 430px;
    background: radial-gradient(circle, rgba(20,184,166,.22), transparent 64%);
}
.home-hero__content,
.home-hero__panel { position: relative; z-index: 1; }
.home-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}
.home-brand__logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    border-radius: 24px;
    background: rgba(255,255,255,.46);
    box-shadow: 0 18px 38px rgba(91,92,226,.20);
}
.home-brand strong {
    display: block;
    color: var(--primary);
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 950;
    line-height: 1.45;
}
.home-brand .eyebrow { margin-bottom: 2px; }
.home-hero h1 {
    max-width: 740px;
    margin-bottom: 18px;
    line-height: 1.12;
    letter-spacing: -.06em;
}
.home-lead {
    max-width: 610px;
    margin-bottom: 0;
    color: #475569;
    font-size: clamp(1.02rem, 2vw, 1.25rem);
}
.home-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.home-actions .btn {
    min-width: 150px;
    min-height: 52px;
    border-radius: 18px;
    box-shadow: 0 14px 30px rgba(31,41,55,.08);
}
.home-hero__panel--minimal {
    min-height: 430px;
    display: grid;
    place-items: center;
    border: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}
.home-hero__panel--minimal::before {
    content: "";
    position: absolute;
    width: min(82%, 360px);
    aspect-ratio: 1;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.56);
    background:
        linear-gradient(135deg, rgba(255,255,255,.22), rgba(255,255,255,.08)),
        radial-gradient(circle at 34% 24%, rgba(255,255,255,.42), transparent 28%);
    box-shadow: inset 0 0 55px rgba(255,255,255,.22), 0 32px 88px rgba(31,41,55,.12);
}
.orbit-card {
    position: absolute;
    border: 1px solid rgba(255,255,255,.54);
    background: rgba(255,255,255,.34);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 22px 52px rgba(31,41,55,.12);
}
.orbit-card--main {
    width: min(78%, 330px);
    min-height: 220px;
    display: grid;
    align-content: end;
    gap: 8px;
    padding: 28px;
    border-radius: 34px;
    color: #fff;
    background:
        radial-gradient(circle at 18% 10%, rgba(255,255,255,.28), transparent 30%),
        linear-gradient(135deg, #4f46e5, #0f766e);
}
.orbit-card--main span { color: rgba(255,255,255,.76); font-weight: 900; }
.orbit-card--main strong { font-size: clamp(1.55rem, 3vw, 2.1rem); line-height: 1.45; }
.orbit-card--small {
    display: grid;
    place-items: center;
    width: 104px;
    height: 104px;
    border-radius: 30px;
    color: var(--primary);
    font-weight: 950;
}
.orbit-card--teacher { inset: 38px auto auto 26px; transform: rotate(-8deg); }
.orbit-card--exam { inset: auto 24px 52px auto; color: #0f766e; transform: rotate(7deg); }

@media (max-width: 980px) {
    .home-hero { grid-template-columns: 1fr; min-height: auto; }
    .home-hero__panel--minimal { min-height: 360px; }
}

@media (max-width: 560px) {
    .home-hero { padding: 24px; border-radius: 24px; }
    .home-actions .btn { width: 100%; }
    .home-hero__panel--minimal { min-height: 300px; }
    .orbit-card--main { min-height: 185px; }
    .orbit-card--small { width: 86px; height: 86px; border-radius: 24px; }
    .orbit-card--teacher { inset: 20px auto auto 4px; }
    .orbit-card--exam { inset: auto 2px 30px auto; }
}

.admin-hero {
    background:
        linear-gradient(135deg, rgba(91,92,226,.24), rgba(20,184,166,.16)),
        rgba(255,255,255,.26);
}
.admin-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.admin-grid { grid-template-columns: minmax(300px, 420px) 1fr; }
.status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 86px;
    padding: 7px 12px;
    border-radius: 999px;
    font-weight: 950;
    border: 1px solid rgba(255,255,255,.48);
}
.status-pill.active {
    color: var(--success);
    background: rgba(5,150,105,.10);
}
.status-pill.inactive {
    color: var(--danger);
    background: rgba(225,29,72,.10);
}

@media (max-width: 980px) {
    .admin-stats,
    .admin-grid { grid-template-columns: 1fr; }
}

.jalali-picker {
    display: grid;
    gap: 10px;
}

.jalali-picker__field {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    align-items: center;
}

.jalali-picker__panel {
    display: grid;
    gap: 12px;
    padding: 16px;
    border: 1px solid rgba(255,255,255,.46);
    border-radius: 24px;
    background: rgba(255,255,255,.32);
    box-shadow: var(--shadow-soft);
}

.jalali-picker__toolbar,
.jalali-picker__time {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.jalali-picker__toolbar strong {
    color: var(--primary);
    font-size: 1.05rem;
    font-weight: 950;
}

.jalali-picker__weekdays,
.jalali-picker__days {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 7px;
    text-align: center;
}

.jalali-picker__weekdays span {
    color: var(--muted);
    font-size: .82rem;
    font-weight: 900;
}

.jalali-picker__days button {
    min-height: 42px;
    border: 1px solid rgba(255,255,255,.46);
    border-radius: 14px;
    color: #26344d;
    cursor: pointer;
    font: inherit;
    font-weight: 900;
    background: rgba(255,255,255,.36);
    transition: transform .2s ease, background .2s ease, color .2s ease;
}

.jalali-picker__days button:hover,
.jalali-picker__days button.is-selected {
    color: #fff;
    transform: translateY(-1px);
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
}

.jalali-picker__time label {
    white-space: nowrap;
}

.jalali-picker__time input {
    max-width: 180px;
    direction: ltr;
    text-align: center;
}

@media (max-width: 640px) {
    .jalali-picker__field,
    .jalali-picker__toolbar,
    .jalali-picker__time {
        grid-template-columns: 1fr;
        display: grid;
    }

    .jalali-picker__weekdays,
    .jalali-picker__days {
        gap: 4px;
    }
}

.mobile-menu-btn,
.sidebar-close,
.sidebar-backdrop {
    display: none;
}

.sidebar-mobile-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}


.assign-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 18px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(255,255,255,.24);
    box-shadow: var(--shadow-soft);
}

.assign-tab {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 18px;
    border: 1px solid rgba(255,255,255,.44);
    border-radius: 16px;
    color: #26344d;
    font-weight: 950;
    background: rgba(255,255,255,.28);
    transition: transform .2s ease, background .2s ease, color .2s ease;
}

.assign-tab:hover,
.assign-tab.primary {
    transform: translateY(-1px);
    color: #fff;
    background: linear-gradient(135deg, rgba(91,92,226,.88), rgba(20,184,166,.78));
}

.assign-panel {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.assign-card,
.assign-actions {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow);
    padding: 24px;
}


.assign-panel--excel .assign-card--upload {
    align-content: start;
}

.import-hint {
    display: grid;
    gap: 4px;
    padding: 14px 16px;
    border: 1px solid rgba(20,184,166,.22);
    border-radius: 18px;
    background: rgba(20,184,166,.08);
}

.import-hint strong {
    color: #0f766e;
    font-weight: 950;
}

.import-hint p {
    margin: 0;
}

.assign-card {
    display: grid;
    gap: 14px;
    align-content: start;
}

.assign-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
}

.assign-card__head h2 {
    margin-bottom: 6px;
}

.count-badge {
    flex: 0 0 auto;
    min-width: 74px;
    padding: 7px 11px;
    border-radius: 999px;
    color: #fff;
    font-size: .9rem;
    font-weight: 950;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 12px 24px rgba(91,92,226,.22);
}

.checklist {
    display: grid;
    gap: 9px;
    max-height: 430px;
    overflow: auto;
    padding-inline-end: 4px;
}

.check-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 13px;
    border: 1px solid rgba(255,255,255,.44);
    border-radius: 18px;
    background: rgba(255,255,255,.28);
    cursor: pointer;
    transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.check-row:hover {
    transform: translateY(-1px);
    background: rgba(255,255,255,.42);
}

.check-row--all {
    font-weight: 950;
    background: rgba(91,92,226,.10);
}

.check-row input[type="checkbox"] {
    width: 20px;
    min-height: 20px;
    height: 20px;
    flex: 0 0 20px;
    padding: 0;
    border-radius: 6px;
    accent-color: var(--primary);
}

.check-row span {
    display: grid;
    gap: 2px;
}

.check-row small {
    color: var(--muted);
    font-weight: 700;
}

.assign-actions {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.assign-actions p {
    margin: 0;
}

.mini-empty {
    padding: 22px;
}

@media (max-width: 980px) {
    .mobile-menu-btn {
        position: fixed;
        top: 14px;
        right: 14px;
        z-index: 1100;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 44px;
        border: 1px solid rgba(255,255,255,.52);
        border-radius: 16px;
        padding: 9px 14px;
        color: #26344d;
        font: inherit;
        font-weight: 950;
        background: rgba(255,255,255,.72);
        box-shadow: var(--shadow-soft);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        cursor: pointer;
    }

    .app-shell {
        display: block;
        padding: 72px 14px 14px;
    }

    .sidebar {
        position: fixed;
        top: 0;
        right: 0;
        z-index: 1200;
        width: min(86vw, 330px);
        height: 100vh;
        margin-bottom: 0;
        border-radius: 30px 0 0 30px;
        transform: translateX(110%);
        transition: transform .28s ease;
    }

    .sidebar-close {
        display: inline-grid;
        place-items: center;
        width: 40px;
        height: 40px;
        border: 1px solid rgba(255,255,255,.48);
        border-radius: 14px;
        color: var(--danger);
        font: inherit;
        font-size: 1.45rem;
        font-weight: 950;
        background: rgba(255,255,255,.34);
        cursor: pointer;
    }

    .sidebar-backdrop {
        position: fixed;
        inset: 0;
        z-index: 1150;
        background: rgba(15, 23, 42, .34);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
    }

    body.sidebar-open {
        overflow: hidden;
    }

    body.sidebar-open .sidebar {
        transform: translateX(0);
    }

    body.sidebar-open .sidebar-backdrop {
        display: block;
    }

    .assign-panel {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 620px) {
    .assign-card,
    .assign-actions {
        padding: 18px;
        border-radius: 22px;
    }

    .assign-card__head,
    .assign-actions {
        display: grid;
    }
}

.calendar-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 18px;
}

.calendar-toolbar .calendar-title {
    margin-bottom: 0;
    text-align: center;
}

.calendar-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

@media (max-width: 760px) {
    .calendar-toolbar {
        display: grid;
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .calendar-toolbar .btn,
    .calendar-actions .btn {
        width: 100%;
    }

    .calendar-actions {
        display: grid;
        grid-template-columns: 1fr;
    }
}

@media print {
    @page {
        size: A4 landscape;
        margin: 9mm;
    }

    body.print-calendar {
        color: #172033 !important;
        background: #fff !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    body.print-calendar::before,
    body.print-calendar::after,
    body.print-calendar .mobile-menu-btn,
    body.print-calendar .sidebar-backdrop,
    body.print-calendar .sidebar,
    body.print-calendar .page-head,
    body.print-calendar .flash-wrap,
    body.print-calendar .calendar-view:not(.print-target),
    body.print-calendar .calendar-toolbar .btn,
    body.print-calendar .calendar-actions {
        display: none !important;
    }

    body.print-calendar .app-shell,
    body.print-calendar .content {
        display: block !important;
        width: 100% !important;
        max-width: none !important;
        min-height: 0 !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    body.print-calendar .calendar-view.print-target,
    body.print-calendar .calendar-view.print-target .calendar-card {
        display: block !important;
        overflow: visible !important;
    }

    body.print-calendar .calendar-card {
        padding: 0 !important;
        border: 0 !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        background: #fff !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }

    body.print-calendar .calendar-print-head {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        gap: 8mm;
        margin-bottom: 5mm;
        padding: 5mm 6mm;
        border: 1px solid #dbeafe;
        border-radius: 8mm;
        background: linear-gradient(135deg, #eef2ff, #ecfeff) !important;
    }

    body.print-calendar .calendar-print-head img {
        width: 18mm;
        height: 18mm;
        object-fit: contain;
        border-radius: 5mm;
    }

    body.print-calendar .calendar-print-head div {
        display: grid;
        gap: 1mm;
        text-align: right;
        margin-left: auto;
    }

    body.print-calendar .calendar-print-head strong {
        color: #3730a3 !important;
        font-size: 16pt;
        font-weight: 950;
    }

    body.print-calendar .calendar-print-head span {
        color: #475569 !important;
        font-size: 10pt;
        font-weight: 800;
    }

    body.print-calendar .calendar-toolbar {
        display: block !important;
        margin-bottom: 4mm !important;
    }

    body.print-calendar .calendar-title {
        width: fit-content;
        margin: 0 auto 4mm !important;
        padding: 2mm 7mm;
        border-radius: 999px;
        color: #0f766e !important;
        font-size: 13pt !important;
        font-weight: 950;
        text-align: center !important;
        background: #f0fdfa !important;
        border: 1px solid #99f6e4 !important;
    }

    body.print-calendar .calendar-grid {
        grid-template-columns: repeat(7, 1fr) !important;
        gap: 2.4mm !important;
    }

    body.print-calendar .calendar-weekdays {
        margin-bottom: 2.4mm !important;
    }

    body.print-calendar .calendar-weekdays div {
        color: #3730a3 !important;
        border: 0 !important;
        background: #eef2ff !important;
        font-size: 9.5pt;
    }

    body.print-calendar .day-cell,
    body.print-calendar .week-day,
    body.print-calendar .week-exams,
    body.print-calendar .exam-chip,
    body.print-calendar .exam-line {
        border: 1px solid #d7dce5 !important;
        box-shadow: none !important;
        background: #fff !important;
        break-inside: avoid;
    }

    body.print-calendar .day-cell {
        min-height: 29mm !important;
        padding: 2.4mm !important;
        border-radius: 5mm !important;
    }

    body.print-calendar .day-number {
        width: 8mm;
        height: 8mm;
        border-radius: 3mm;
        background: linear-gradient(135deg, #4f46e5, #0f766e) !important;
        font-size: 9pt;
    }

    body.print-calendar .exam-chip,
    body.print-calendar .exam-line {
        margin-top: 1.8mm;
        padding: 2.2mm;
        border-radius: 4mm;
        background: #f8fafc !important;
        font-size: 8.5pt;
    }

    body.print-calendar .exam-chip strong,
    body.print-calendar .exam-line strong {
        color: #1e1b4b !important;
    }

    body.print-calendar .muted-day {
        opacity: .48 !important;
        background: #f8fafc !important;
    }

    body.print-calendar .week-table {
        gap: 3mm !important;
    }

    body.print-calendar .week-row {
        grid-template-columns: 42mm 1fr !important;
        break-inside: avoid;
    }

    body.print-calendar .week-day,
    body.print-calendar .week-exams {
        border-radius: 5mm !important;
        padding: 3mm !important;
    }

    body.print-calendar .week-day {
        color: #3730a3 !important;
        background: #eef2ff !important;
    }
}

/* Mobile/layout hardening */
.app-shell,
.content,
.card,
.form-card,
.split-grid,
.split-grid > *,
.stats-grid > *,
.table-wrap,
.page-head > * {
    min-width: 0;
}

.table-wrap {
    max-width: 100%;
}

.card-title--stacked {
    display: grid;
    gap: 16px;
}

.search-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 10px;
    align-items: center;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.students-list-card,
.admin-dashboard-grid > .card {
    overflow: hidden;
}

.courses-table td strong,
.responsive-table td,
.responsive-table th {
    overflow-wrap: anywhere;
}

@media (max-width: 980px) {
    .sidebar {
        height: 100dvh;
        max-height: 100dvh;
        overflow-y: auto;
        overscroll-behavior: contain;
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
    }

    .sidebar nav {
        align-content: start;
    }

    .user-box {
        margin-top: 12px;
    }
}

@media (max-width: 760px) {
    .search-form {
        grid-template-columns: 1fr;
    }

    .search-form .btn {
        width: 100%;
    }

    .table-wrap {
        overflow-x: visible;
    }

    .responsive-table,
    .responsive-table thead,
    .responsive-table tbody,
    .responsive-table tr,
    .responsive-table th,
    .responsive-table td {
        display: block;
        width: 100%;
    }

    .responsive-table {
        border-spacing: 0;
    }

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

    .responsive-table tr {
        margin-bottom: 12px;
        border: 1px solid rgba(255,255,255,.42);
        border-radius: 20px;
        background: rgba(255,255,255,.22);
        overflow: hidden;
        box-shadow: 0 10px 22px rgba(15,23,42,.06);
    }

    .responsive-table td {
        display: grid;
        grid-template-columns: minmax(88px, .35fr) minmax(0, 1fr);
        gap: 10px;
        align-items: center;
        padding: 12px 14px;
        border: 0;
        border-bottom: 1px solid rgba(255,255,255,.34);
        border-radius: 0;
        background: transparent;
    }

    .responsive-table td:last-child {
        border-bottom: 0;
    }

    .responsive-table td::before {
        content: attr(data-label);
        color: var(--muted);
        font-size: .86rem;
        font-weight: 950;
    }

    .responsive-table td.actions,
    .responsive-table td[data-label="عملیات"] {
        align-items: stretch;
    }

    .responsive-table .actions,
    .responsive-table .actions form,
    .responsive-table td[data-label="عملیات"] .btn {
        width: 100%;
    }

    .courses-table td[data-label="عنوان"] {
        align-items: start;
    }

    .courses-table td small {
        max-width: 100%;
    }
}

@media (max-width: 420px) {
    .responsive-table td {
        grid-template-columns: 1fr;
        gap: 4px;
    }
}

.table-actions {
    min-width: 0;
}

@media (max-width: 760px) {
    .responsive-table .table-actions,
    .responsive-table .table-actions form,
    .responsive-table .table-actions .btn {
        width: 100%;
    }
}