/* ============================================================
   فونت وزیرمتن (Google Fonts، وزن‌های 300 تا 800)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800&display=swap');

/* ============================================================
   توکن‌های طراحی — Glassmorphism رنگارنگ
   ============================================================ */
:root {
    --bg: #EDEAE1;
    --bg-soft: rgba(255,255,255,.5);
    --surface: rgba(255,255,255,.55);
    --surface-solid: #FFFFFF;
    --ink: #2a2140;
    --ink-soft: #6b6480;
    --ink-faint: #9a93ad;
    --border: rgba(255,255,255,.6);
    --border-strong: rgba(124,58,237,.22);

    --purple: #7c3aed;
    --pink: #ec4899;
    --turquoise: #06b6d4;
    --amber: #f59e0b;

    --primary: #7c3aed;
    --primary-dark: #6423d1;
    --primary-soft: rgba(124,58,237,.12);

    --warn: #f97316;
    --warn-soft: rgba(249,115,22,.12);

    --pending: #eab308;
    --pending-soft: rgba(234,179,8,.12);

    --success: #10b981;
    --success-soft: rgba(16,185,129,.12);

    --danger: #ef4444;
    --danger-soft: rgba(239,68,68,.12);

    --neutral: #9ca3af;
    --neutral-soft: rgba(156,163,175,.14);

    --radius: 20px;
    --radius-sm: 14px;
    --shadow: 0 8px 32px rgba(80,50,150,.12);
    --glass-blur: blur(18px);
    --font: 'Vazirmatn', Tahoma, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    color: var(--ink);
    font-family: var(--font);
    direction: rtl;
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    line-height: 1.7;
    font-size: 16px;
    background: linear-gradient(135deg, #f5f3ff, #fdf2f8, #ecfeff);
    background-attachment: fixed;
    position: relative;
}

/* سه دایرهٔ بزرگ محو ثابت پشت صفحه — با یک شبه‌المان + دو box-shadow
   (بلور روی هر سه یکجا اعمال می‌شود، نیازی به سه المان جدا نیست) */
body::before {
    content: '';
    position: fixed;
    top: 8%;
    right: 6%;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    background: var(--purple);
    opacity: .5;
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
    box-shadow:
        -62vw 46vh 0 0 var(--pink),
        18vw -38vh 0 0 var(--turquoise);
}

h1, h2, h3 { margin: 0 0 .4em; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
a { color: var(--primary); text-decoration: none; }

button, input, select, textarea { font-family: var(--font); }

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ------------------------------------------------------------
   ساختار صفحه عمومی (ورود / آزمون / نتیجه)
   ------------------------------------------------------------ */
.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
    color: var(--primary-dark);
}
.brand .mark {
    width: 34px; height: 34px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--purple), var(--pink));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(124,58,237,.35);
}
.brand .name { font-weight: 700; font-size: 17px; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 32px 28px;
    width: 100%;
    max-width: 420px;
}
.card.card-wide { max-width: 560px; }

.card h1 { font-size: 22px; }
.card .sub { color: var(--ink-soft); font-size: 14.5px; margin-top: -6px; }

.tab-switch {
    display: flex;
    background: rgba(255,255,255,.4);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin: 16px 0 20px;
}
.tab-switch a {
    flex: 1;
    text-align: center;
    padding: 9px 10px;
    font-size: 14px;
    border-radius: 10px;
    color: var(--ink-soft);
    text-decoration: none;
}
.tab-switch a.active {
    background: linear-gradient(90deg, var(--purple), var(--pink));
    color: #fff;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(124,58,237,.3);
}

.hub-section { margin-top: 28px; }
.hub-section:first-child { margin-top: 0; }
.hub-section h2 { font-size: 16px; margin-bottom: 12px; }

.hub-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    background: rgba(255,255,255,.45);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: transform .15s, box-shadow .15s;
}
.hub-row:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(80,50,150,.14); }
.hub-row.status-success { background: var(--success-soft); border-color: rgba(16,185,129,.3); }
.hub-row.status-warn { background: var(--warn-soft); border-color: rgba(249,115,22,.3); }
.hub-row.status-danger { background: var(--danger-soft); border-color: rgba(239,68,68,.3); }
.hub-row.status-pending { background: var(--pending-soft); border-color: rgba(234,179,8,.3); }
.hub-row .hub-name { font-weight: 700; font-size: 15px; }
.hub-row .hub-meta { font-size: 13px; color: var(--ink-soft); margin-top: 2px; }
.hub-row .hub-action { flex-shrink: 0; }

label { display: block; font-size: 14px; font-weight: 500; color: var(--ink-soft); margin-bottom: 6px; }

.field { margin-bottom: 18px; }

input[type="text"], input[type="tel"], input[type="number"], input[type="password"] {
    width: 100%;
    padding: 13px 14px;
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 16px;
    color: var(--ink);
    background: rgba(255,255,255,.6);
    transition: border-color .15s, box-shadow .15s;
}
input:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(124,58,237,.15);
    outline: none;
}

.select-input {
    width: 100%;
    padding: 13px 14px;
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 16px;
    color: var(--ink);
    background: rgba(255,255,255,.6);
    font-family: var(--font);
}
.select-input:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(124,58,237,.15); outline: none; }

.pw-field { position: relative; }
.pw-field input { padding-left: 44px; }
.pw-toggle {
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    font-size: 18px;
    line-height: 1;
    color: var(--ink-faint);
    display: flex;
    align-items: center;
    justify-content: center;
}
.pw-toggle:hover { color: var(--primary); }

.grade-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 8px;
}
.grade-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 9px 10px;
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    cursor: pointer;
    background: rgba(255,255,255,.5);
}
.grade-chip input { accent-color: var(--primary); cursor: pointer; }
.grade-chip:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }

.edu-row:last-child hr { display: none; }

.otp-input {
    text-align: center;
    letter-spacing: 6px;
    font-size: 22px;
    font-weight: 600;
    direction: ltr;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 18px;
    border-radius: var(--radius-sm);
    border: none;
    background: linear-gradient(90deg, var(--purple), var(--pink));
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(124,58,237,.28);
    transition: transform .15s, box-shadow .15s, opacity .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(124,58,237,.35); }
.btn:active { transform: translateY(0) scale(.99); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

.btn-ghost {
    background: rgba(255,255,255,.5);
    color: var(--primary-dark);
    border: 1.5px solid var(--border-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: none;
}
.btn-ghost:hover { background: rgba(255,255,255,.75); border-color: var(--primary); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(80,50,150,.12); }

.helper-text { font-size: 13.5px; color: var(--ink-faint); margin-top: 10px; text-align: center; }

.alert {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 14.5px;
    margin-bottom: 18px;
}
.alert-error { background: var(--danger-soft); color: #b91c1c; }
.alert-success { background: var(--success-soft); color: #047857; }
.alert-info { background: var(--primary-soft); color: var(--primary-dark); }

.test-mode-banner {
    background: var(--pending-soft);
    color: #a16207;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 13.5px;
    margin-bottom: 18px;
    text-align: center;
    font-weight: 500;
}

/* ------------------------------------------------------------
   صفحه آزمون
   ------------------------------------------------------------ */
.exam-shell {
    max-width: 640px;
    margin: 0 auto;
    padding: 14px 14px 100px;
    width: 100%;
}

.exam-topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(253,250,255,.7);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 10px 14px 14px;
    margin: 0 -14px 18px;
    border-bottom: 1px solid var(--border);
}
.exam-topbar-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}
.exam-name { font-weight: 700; font-size: 15px; color: var(--primary-dark); }

.timer {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    font-size: 15px;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    direction: ltr;
    transition: background .3s, color .3s;
}
.timer.low { background: var(--warn-soft); color: var(--warn); }

.progress-track {
    height: 6px;
    border-radius: 999px;
    background: rgba(124,58,237,.14);
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--purple), var(--pink));
    border-radius: 999px;
    transition: width .25s ease;
}
.progress-fill.low { background: var(--warn); }

.progress-label {
    font-size: 12.5px;
    color: var(--ink-faint);
    margin-top: 6px;
    text-align: center;
}

.q-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 22px 20px;
    margin-bottom: 16px;
    scroll-margin-top: 90px;
}
.q-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px; height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple), var(--pink));
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    margin-left: 8px;
}
.q-text { font-size: 16.5px; font-weight: 500; margin: 10px 0 16px; line-height: 1.8; }

.opt-list { display: flex; flex-direction: column; gap: 10px; }

.opt-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: rgba(255,255,255,.5);
    transition: border-color .12s, background .12s, transform .12s;
    -webkit-tap-highlight-color: transparent;
}
.opt-row:hover { border-color: var(--primary); transform: translateY(-1px); }
.opt-row.selected {
    border-color: var(--primary);
    background: var(--primary-soft);
}
.opt-bullet {
    flex-shrink: 0;
    width: 24px; height: 24px;
    border-radius: 50%;
    border: 2px solid var(--border-strong);
    display: flex; align-items: center; justify-content: center;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--ink-faint);
    background: #fff;
}
.opt-row.selected .opt-bullet {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--purple), var(--pink));
    color: #fff;
}
.opt-text { font-size: 15.5px; }

.exam-footer {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: rgba(255,255,255,.65);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--border);
    padding: 12px 16px;
    box-shadow: 0 -4px 20px rgba(80,50,150,.1);
}
.exam-footer-inner {
    max-width: 640px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
}
.answered-count { font-size: 13.5px; color: var(--ink-soft); flex: 1; }

/* ------------------------------------------------------------
   صفحه نتیجه
   ------------------------------------------------------------ */
.result-score {
    text-align: center;
    margin: 6px 0 22px;
}
.result-score .num {
    font-size: 56px;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1;
}
.result-score .denom { font-size: 18px; color: var(--ink-faint); margin-top: 6px; }

/* ------------------------------------------------------------
   پنل مدیر — همان زبان طراحی، فشرده‌تر برای کار روزمره
   ------------------------------------------------------------ */
.admin-shell { display: flex; min-height: 100vh; }

.admin-sidebar {
    width: 220px;
    background: linear-gradient(180deg, var(--purple), var(--pink));
    color: #fff;
    flex-shrink: 0;
    padding: 20px 14px;
    box-shadow: 4px 0 24px rgba(124,58,237,.18);
}
.admin-sidebar .brand { color: #fff; margin-bottom: 26px; }
.admin-sidebar .brand .mark { background: rgba(255,255,255,.22); box-shadow: none; }
.admin-nav a {
    display: block;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,.85);
    font-size: 14.5px;
    margin-bottom: 4px;
}
.admin-nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.admin-nav a.active { background: rgba(255,255,255,.22); color: #fff; font-weight: 700; }
.admin-nav .nav-sep {
    display: block;
    margin: 14px 14px 4px;
    font-size: 11px;
    letter-spacing: .03em;
    color: rgba(255,255,255,.6);
    text-transform: uppercase;
}
.admin-nav form { margin-top: 20px; }
.admin-nav .logout-btn {
    width: 100%;
    background: rgba(255,255,255,.12);
    border: 1.5px solid rgba(255,255,255,.35);
    color: #fff;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
}
.admin-nav .logout-btn:hover { background: rgba(255,255,255,.22); }

.admin-main { flex: 1; padding: 28px 32px; max-width: 1100px; }
.admin-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; flex-wrap: wrap; gap: 12px; }
.admin-header h1 { font-size: 21px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 26px; }
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
    padding: 18px;
    transition: transform .15s, box-shadow .15s;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(80,50,150,.16); }
.stat-card .label { font-size: 13px; color: var(--ink-soft); margin-bottom: 6px; }
.stat-card .value { font-size: 26px; font-weight: 800; background: linear-gradient(90deg, var(--purple), var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; }

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow);
    padding: 22px;
    margin-bottom: 20px;
}
.panel h2 { font-size: 16.5px; margin-bottom: 16px; }

table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { padding: 10px 12px; text-align: right; border-bottom: 1px solid var(--border); }
th { color: var(--ink-soft); font-weight: 700; font-size: 13.5px; }
tr:hover td { background: rgba(124,58,237,.05); }

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 700;
}
.badge-success { background: var(--success-soft); color: #047857; }
.badge-warn { background: var(--warn-soft); color: #c2410c; }
.badge-muted { background: var(--neutral-soft); color: #6b7280; border: 1px solid rgba(156,163,175,.3); }
.badge-danger { background: var(--danger-soft); color: #b91c1c; }

.btn-sm {
    display: inline-flex;
    padding: 7px 14px;
    font-size: 13.5px;
    width: auto;
    box-shadow: none;
}
.btn-danger { background: linear-gradient(90deg, #ef4444, #f97316); }
.btn-danger:hover { box-shadow: 0 8px 20px rgba(239,68,68,.3); }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.form-grid .full { grid-column: 1 / -1; }

.file-drop {
    border: 1.5px dashed var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 22px;
    text-align: center;
    background: rgba(255,255,255,.4);
    color: var(--ink-soft);
    font-size: 14px;
}
.file-drop input[type=file] { margin-top: 10px; }

.code-sample {
    background: var(--ink);
    color: #E8EAED;
    direction: ltr;
    text-align: left;
    font-family: monospace;
    font-size: 13.5px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    margin: 10px 0 16px;
    line-height: 1.6;
}

.switch-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14.5px;
    cursor: pointer;
    padding: 12px 14px;
    background: rgba(255,255,255,.45);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
}
.switch-row input[type="checkbox"] {
    width: 18px; height: 18px;
    margin-top: 2px;
    accent-color: var(--primary);
    flex-shrink: 0;
    cursor: pointer;
}

/* ------------------------------------------------------------
   گواهینامه — طرح بورگوندی/طلایی (بر اساس فایل ارسالی)
   ------------------------------------------------------------ */
.cert-page-body { background: var(--bg); min-height: 100vh; padding: 24px 14px 50px; }

.cert-page-actions {
    max-width: 900px;
    margin: 0 auto 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.cert-wrap { max-width: 900px; margin: 0 auto; }

.cert-note {
    max-width: 900px;
    margin: 18px auto 0;
    text-align: center;
    font-size: 12.5px;
    color: var(--ink-faint);
}

/* ---- استیج تیره‌ای که گواهی روی آن «به نمایش» گذاشته می‌شود ---- */
.cert-stage {
    background: #1a1215;
    border-radius: var(--radius);
    padding: 26px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

:root {
    --cb-blue: #1e3a6f;
    --cb-indigo: #4a2e7a;
    --cb-burgundy: #7a1f3d;
    --cb-burgundy-2: #93294a;
    --cb-burgundy-3: #4a0f1f;
    --cb-gold-1: #f4d47c;
    --cb-gold-2: #d4af37;
    --cb-gold-3: #a8842c;
    --cb-gold-4: #6e5518;
    --cb-cream: #fdfaf2;
    --cb-cream-2: #f5ecd7;
    --cb-ink: #2a1a1a;
}

/* گواهی در اندازهٔ طبیعی/ثابت خودش طراحی و چیده می‌شود (دقیقاً مثل یک برگهٔ
   A4 واقعی)، و با transform:scale داخل قاب واکنش‌گرای صفحه کوچک/بزرگ
   می‌شود — این تنها روش قابل‌اطمینان برای اینکه واحدهای mm/px داخلی به‌هم
   نریزند، چون این واحدها با تغییر عرض کانتینر خودشان را کوچک نمی‌کنند. */
.cert-scale-wrap {
    position: relative;
    width: 100%;
    max-width: 297mm;
    overflow: hidden;
    direction: ltr;
}
.cert-wrapper {
    width: 1123px;
    height: 794px;
    position: relative;
    transform-origin: top left;
}

.certificate {
    width: 100%;
    height: 100%;
    background: var(--cb-cream);
    position: relative;
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0,0,0,.7);
    font-family: var(--font);
    direction: rtl;
}

.cert-bg { position: absolute; inset: 0; z-index: 1; }
.cert-bg__border {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--cb-blue) 0%, var(--cb-indigo) 48%, var(--cb-burgundy) 100%);
}
.cert-bg__border::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(244,212,124,.18) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(244,212,124,.15) 0%, transparent 40%),
        repeating-linear-gradient(45deg, transparent, transparent 15px, rgba(244,212,124,.05) 15px, rgba(244,212,124,.05) 16px),
        repeating-linear-gradient(-45deg, transparent, transparent 15px, rgba(244,212,124,.05) 15px, rgba(244,212,124,.05) 16px);
}
.cert-bg__inner {
    position: absolute; inset: 10mm;
    background: var(--cb-cream);
    box-shadow:
        inset 0 0 0 2px var(--cb-gold-2),
        inset 0 0 0 4px var(--cb-indigo),
        inset 0 0 0 5px var(--cb-gold-2),
        inset 0 0 40px rgba(74,46,122,.08);
}
.cert-bg__guilloche {
    position: absolute; inset: 15mm; opacity: .05;
    background-image:
        radial-gradient(circle at 50% 50%, transparent 28%, var(--cb-indigo) 29%, transparent 30%),
        radial-gradient(circle at 50% 50%, transparent 32%, var(--cb-indigo) 33%, transparent 34%),
        radial-gradient(circle at 50% 50%, transparent 36%, var(--cb-indigo) 37%, transparent 38%),
        radial-gradient(circle at 50% 50%, transparent 40%, var(--cb-indigo) 41%, transparent 42%);
    background-size: 55px 55px;
}

.cert-fan { position: absolute; width: 85px; height: 85px; z-index: 4; pointer-events: none; }
.cert-fan--tl { top: 10mm; right: 10mm; }
.cert-fan--tr { top: 10mm; left: 10mm; transform: scaleX(-1); }
.cert-fan--bl { bottom: 10mm; right: 10mm; transform: scaleY(-1); }
.cert-fan--br { bottom: 10mm; left: 10mm; transform: scale(-1,-1); }

.cert-content {
    position: relative; z-index: 5;
    width: 100%; height: 100%;
    padding: 26mm 28mm 16mm;
    display: flex; flex-direction: column; align-items: center; text-align: center;
    justify-content: center;
}

.cert-info { position: absolute; top: 20mm; left: 15mm; display: flex; flex-direction: column; gap: 3mm; z-index: 6; }
.cert-info__item {
    background: linear-gradient(135deg, var(--cb-blue), var(--cb-indigo));
    color: var(--cb-gold-1);
    padding: 2.5mm 5mm; border-radius: 3mm; border: 1px solid var(--cb-gold-2);
    font-size: 13px; font-weight: 700; display: flex; align-items: center; gap: 3mm;
    box-shadow: 0 3px 10px rgba(0,0,0,.15); white-space: nowrap;
}
.cert-info__label { color: rgba(244,212,124,.75); font-size: 11px; font-weight: 600; }
.cert-info__value { color: #fff; font-weight: 800; }

.cert-authority {
    position: absolute; top: 20mm; right: 15mm; z-index: 6;
    text-align: center; direction: rtl; line-height: 1.7;
}
.cert-authority div { color: var(--cb-indigo); }
.cert-authority div:nth-child(1) { font-size: 12px; font-weight: 600; }
.cert-authority div:nth-child(2) { font-size: 13.5px; font-weight: 700; }
.cert-authority div:nth-child(3) { font-size: 15px; font-weight: 900; }

.cert-header { width: 100%; display: flex; align-items: center; justify-content: center; gap: 6mm; margin-bottom: 4mm; }
.cert-header__line { flex: 1; height: 3px; background: linear-gradient(90deg, transparent, var(--cb-gold-2) 50%, transparent); max-width: 55mm; border-radius: 2px; }
.cert-header__icon { font-size: 28px; color: var(--cb-gold-2); line-height: 1; filter: drop-shadow(0 2px 4px rgba(212,175,55,.4)); }

.cert-title { font-size: 40px; font-weight: 900; color: var(--cb-indigo); line-height: 1.4; margin: 2mm 0 3mm; letter-spacing: normal; max-width: 220mm; }

.cert-divider { display: flex; align-items: center; justify-content: center; gap: 5mm; margin: 2mm 0 6mm; }
.cert-divider__line { width: 45mm; height: 2px; background: linear-gradient(90deg, transparent, var(--cb-gold-2), transparent); }
.cert-divider__star { font-size: 20px; color: var(--cb-gold-2); }

.cert-desc { font-size: 21px; font-weight: 600; color: var(--cb-ink); line-height: 2; max-width: 220mm; margin: 0 auto; }
.cert-desc strong { color: var(--cb-burgundy); font-weight: 900; }

.cert-footer { margin-top: 12mm; width: 100%; display: flex; align-items: center; justify-content: center; gap: 14mm; }
.cert-signature { text-align: center; flex: 1; max-width: 68mm; }
.cert-signature__img { display: block; width: 44mm; height: auto; margin: 0 auto -6mm; position: relative; z-index: 2; }
.cert-signature__line { height: 2px; background: linear-gradient(90deg, transparent, var(--cb-indigo) 50%, transparent); margin-bottom: 2.5mm; }
.cert-signature__name { font-size: 18px; font-weight: 900; color: var(--cb-indigo); margin-bottom: 1mm; }
.cert-signature__role { font-size: 12.5px; font-weight: 700; color: var(--cb-gold-3); line-height: 1.5; }
.cert-footer__ornament { font-size: 24px; color: var(--cb-gold-2); flex-shrink: 0; }

@media print {
    html, body { margin: 0 !important; padding: 0 !important; background: #fff !important; }
    body.cert-page-body { background: #fff; padding: 0; }
    .cert-page-actions, .cert-note, .no-print { display: none !important; }
    .cert-wrap { max-width: none; margin: 0 auto; }
    .cert-stage { background: #fff; padding: 0; border-radius: 0; display: block; }
    .cert-scale-wrap { max-width: none; overflow: visible; height: auto !important; }
    .cert-wrapper { width: 277mm !important; height: 190mm !important; transform: none !important; margin: 0 auto; }
    .certificate { box-shadow: none !important; }
    * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
    @page { size: A4 landscape; margin: 10mm; }
}

/* ------------------------------------------------------------
   واکنش‌گرایی موبایل — اولویت اصلی سامانه آزمون
   ------------------------------------------------------------ */
@media (max-width: 860px) {
    .admin-shell { flex-direction: column; }
    .admin-sidebar { width: 100%; display: flex; align-items: center; flex-wrap: wrap; padding: 12px 16px; }
    .admin-sidebar .brand { margin-bottom: 0; margin-inline-end: auto; }
    .admin-nav { display: flex; flex-wrap: wrap; gap: 4px; width: 100%; margin-top: 10px; }
    .admin-nav a { padding: 7px 10px; font-size: 12.5px; margin-bottom: 0; }
    .admin-nav .nav-sep { display: none; }
    .admin-nav form { margin-top: 0; width: 100%; }
    .admin-nav .logout-btn { width: auto; padding: 7px 14px; font-size: 12.5px; }
    .admin-main { padding: 18px 14px; }
    .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
    table.data-table thead { display: none; }
    table.data-table, table.data-table tbody, table.data-table tr, table.data-table td {
        display: block;
        width: 100%;
    }
    table.data-table tr {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        margin-bottom: 12px;
        padding: 4px 14px;
    }
    table.data-table tr:hover td { background: transparent; }
    table.data-table td {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        padding: 10px 0;
        border-bottom: 1px solid var(--border);
        text-align: left;
    }
    table.data-table td:last-child { border-bottom: none; }
    table.data-table td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 12.5px;
        color: var(--ink-soft);
        flex-shrink: 0;
    }
    table.data-table td.cell-actions {
        justify-content: flex-end;
        padding-top: 12px;
    }
    table.data-table td.cell-actions::before { content: none; }
}

@media (max-width: 480px) {
    .card { padding: 26px 20px; border-radius: 16px; }
    .result-score .num { font-size: 46px; }
    .q-card { padding: 18px 15px; border-radius: 16px; }
    .exam-topbar { border-radius: 0; }
    body::before { width: 220px; height: 220px; filter: blur(60px); }
}