/* =========================================================================
   Smart LMS — premium theme
   ========================================================================= */

:root {
    --ki-sidebar: #121a33;
    --ki-sidebar-2: #1b2648;
    --ki-sidebar-active: #23305a;
    --ki-primary: #4a63e8;
    --ki-primary-dark: #3548c4;
    --ki-primary-light: #eef0ff;
    --ki-accent: #21c3a6;
    --ki-warning: #f5a524;
    --ki-danger: #e5484d;
    --ki-body: #f4f6fb;
    --ki-surface: #ffffff;
    --ki-border: #e7eaf3;
    --ki-text: #232a3d;
    --ki-muted: #7b849c;
    --ki-radius: 14px;
    --ki-radius-sm: 10px;
    --ki-shadow: 0 6px 24px rgba(30, 41, 82, .06);
    --ki-shadow-md: 0 10px 34px rgba(30, 41, 82, .10);
    --ki-font-body: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --ki-font-head: "Poppins", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background: var(--ki-body);
    color: var(--ki-text);
    font-family: var(--ki-font-body);
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .ki-page-title, .ki-brand span {
    font-family: var(--ki-font-head);
}

a { text-decoration: none; color: var(--ki-primary); }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #c7cede; border-radius: 20px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------------- buttons ---------------- */
.btn { border-radius: 9px; font-weight: 600; font-size: 13.5px; letter-spacing: .01em; transition: background-color .15s ease, color .15s ease, box-shadow .15s ease, transform .1s ease; }
.btn:active { transform: translateY(1px); }
.btn-sm { border-radius: 8px; }

.btn-primary {
    --bs-btn-bg: var(--ki-primary);
    --bs-btn-border-color: var(--ki-primary);
    --bs-btn-hover-bg: var(--ki-primary-dark);
    --bs-btn-hover-border-color: var(--ki-primary-dark);
    box-shadow: 0 6px 16px rgba(74, 99, 232, .28);
}
.btn-light {
    --bs-btn-bg: #f1f3f9;
    --bs-btn-border-color: #f1f3f9;
    --bs-btn-color: #495066;
    --bs-btn-hover-bg: #e5e9f4;
    --bs-btn-hover-border-color: #e5e9f4;
}
.ki-btn-lg { padding: 11px 18px; font-size: 15px; border-radius: 10px; }

.form-control, .form-select {
    border-radius: 9px;
    border-color: var(--ki-border);
    padding: 9px 12px;
    font-size: 13.8px;
}
.form-control:focus, .form-select:focus {
    border-color: var(--ki-primary);
    box-shadow: 0 0 0 .2rem rgba(74, 99, 232, .15);
}
.form-label { font-weight: 600; font-size: 13px; color: #4a5169; margin-bottom: 6px; }

.badge { font-weight: 600; letter-spacing: .01em; border-radius: 6px; }

.dropdown-menu { animation: kiPanelIn .18s ease; border-radius: 12px; border-color: var(--ki-border); box-shadow: var(--ki-shadow-md); }

/* ---------------- layout ---------------- */
.ki-wrapper { display: flex; min-height: 100vh; }

.ki-sidebar {
    width: 262px;
    flex: 0 0 262px;
    background: linear-gradient(190deg, var(--ki-sidebar) 0%, var(--ki-sidebar-2) 100%);
    color: #c9d2e9;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    z-index: 30;
}

.ki-sidebar.is-hidden { display: none; }

.ki-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.ki-brand-mark {
    width: 38px; height: 38px; border-radius: 11px;
    background: linear-gradient(135deg, var(--ki-primary), var(--ki-accent));
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; color: #fff; flex: 0 0 auto;
    box-shadow: 0 6px 16px rgba(74, 99, 232, .45);
}
.ki-brand-mark-logo {
    background: #fff;
    padding: 4px;
}
.ki-brand-mark-logo img {
    max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 6px;
}
.ki-sidebar-close {
    margin-left: auto; background: transparent; border: 0; color: #c9d2e9;
    width: 30px; height: 30px; border-radius: 8px;
}
.ki-sidebar-close:hover { background: rgba(255, 255, 255, .1); }

.ki-user-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.ki-user-box img,
.ki-user-box .ki-avatar { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.ki-user-box h6 { margin: 0; color: #fff; font-size: 14px; font-weight: 600; }
.ki-user-box small { color: #97a4c4; }

.ki-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ki-primary), #6f7ff0);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(74, 99, 232, .35);
}
.ki-avatar-sm { width: 28px; height: 28px; font-size: 12px; }
.ki-avatar-lg { width: 100px; height: 100px; font-size: 36px; border: 4px solid #fff; box-shadow: var(--ki-shadow-md); }
.ki-photo-lg { width: 100px; height: 100px; border-radius: 50%; object-fit: cover; border: 4px solid #fff; box-shadow: var(--ki-shadow-md); }

.ki-menu { list-style: none; margin: 0; padding: 12px 12px 40px; flex: 1; }
.ki-menu-title {
    padding: 16px 10px 6px;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #6b769a;
}
.ki-menu a {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 12px;
    color: #c9d2e9;
    border-radius: 10px;
    margin-bottom: 2px;
    font-size: 13.6px;
    font-weight: 500;
    transition: background .15s ease, color .15s ease;
}
.ki-menu a:hover { background: rgba(255, 255, 255, .07); color: #fff; }
.ki-menu a.is-active { background: linear-gradient(90deg, var(--ki-primary), #6a7bf5); color: #fff; box-shadow: 0 6px 16px rgba(74, 99, 232, .35); }
.ki-menu i { width: 18px; text-align: center; font-size: 15px; }

.ki-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.ki-topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, .9);
    backdrop-filter: saturate(180%) blur(8px);
    padding: 13px 22px;
    border-bottom: 1px solid var(--ki-border);
    position: sticky;
    top: 0;
    z-index: 25;
}

.ki-icon-btn {
    width: 38px; height: 38px; border-radius: 10px;
    display: inline-flex; align-items: center; justify-content: center;
    background: #f1f3f9; border: 1px solid transparent; color: #4a5169;
    font-size: 16px; position: relative;
}
.ki-icon-btn:hover { background: #e5e9f4; color: var(--ki-primary); }

.ki-badge-dot {
    position: absolute; top: 6px; right: 6px;
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--ki-danger); border: 2px solid #fff;
}

.ki-user-pill {
    display: flex; align-items: center; gap: 8px;
    background: #f1f3f9; border-radius: 999px; padding: 5px 14px 5px 6px;
    border: 1px solid transparent; font-weight: 600; color: #333c53;
}
.ki-user-pill img { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }

.ki-page-title { font-size: 18px; font-weight: 700; margin: 0; color: #1a2138; }
.ki-content { padding: 22px; flex: 1; animation: kiPanelIn .38s cubic-bezier(.22, .61, .36, 1); }

@keyframes kiPanelIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    .ki-content { animation: none; }
}
.ki-footer { padding: 14px 22px; color: #929ab0; border-top: 1px solid var(--ki-border); background: var(--ki-surface); font-size: 12.5px; }

/* ---------------- mobile sidebar overlay ---------------- */
.ki-overlay {
    position: fixed; inset: 0; background: rgba(11, 16, 34, .55);
    z-index: 28; opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s ease;
}
.ki-overlay.is-visible { opacity: 1; visibility: visible; }
body.ki-noscroll { overflow: hidden; }

/* ---------------- cards ---------------- */
.ki-card { border: 1px solid var(--ki-border); border-radius: var(--ki-radius); box-shadow: var(--ki-shadow); overflow: hidden; transition: box-shadow .2s ease, transform .2s ease; }
.ki-card .card-header {
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    padding: 15px 18px;
    border-bottom: 1px solid var(--ki-border);
}
.ki-card .card-header h6 { margin: 0; font-weight: 700; font-size: 14.5px; color: #1a2138; }
.ki-card .card-body { padding: 18px; }
.card.ki-card { margin-bottom: 0; }

.ki-stat {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--ki-surface);
    border: 1px solid var(--ki-border);
    border-radius: var(--ki-radius);
    padding: 18px;
    box-shadow: var(--ki-shadow);
    transition: transform .18s ease, box-shadow .18s ease;
}
.ki-stat:hover { transform: translateY(-3px); box-shadow: var(--ki-shadow-md); }
.ki-stat i { font-size: 24px; width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; border-radius: 13px; color: #fff; flex: 0 0 auto; }
.ki-stat h3 { margin: 0; font-size: 23px; font-weight: 800; font-family: var(--ki-font-head); }
.ki-stat span { color: var(--ki-muted); font-size: 12.5px; font-weight: 600; }
.ki-stat-blue i { background: linear-gradient(135deg, #4a63e8, #6a7bf5); }
.ki-stat-green i { background: linear-gradient(135deg, #17a374, #21c3a6); }
.ki-stat-orange i { background: linear-gradient(135deg, #e2882f, #f5a524); }
.ki-stat-purple i { background: linear-gradient(135deg, #7a5bd6, #9c7ff0); }

.ki-detail-table th { width: 42%; font-weight: 600; color: #5a6478; border-color: var(--ki-border); }
.ki-detail-table td { border-color: var(--ki-border); }
.ki-thumb { width: 44px; height: 44px; object-fit: cover; border-radius: 8px; }
.ki-proof { width: 100%; border-radius: 10px; border: 1px solid var(--ki-border); }

.list-group-item { border-color: var(--ki-border); }

.ki-empty-state { text-align: center; color: var(--ki-muted); padding: 34px 16px; }
.ki-empty-state i { font-size: 34px; display: block; margin-bottom: 8px; color: #c3c9db; }

/* ---------------- login ---------------- */
.ki-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 15% 15%, #1c2854, #0c1226 70%);
    padding: 24px;
}
.ki-login-shell {
    width: 100%; max-width: 920px;
    display: grid; grid-template-columns: 1.05fr 1fr;
    background: var(--ki-surface); border-radius: 22px; overflow: hidden;
    box-shadow: 0 30px 70px rgba(0, 0, 0, .35);
}
.ki-login-art {
    position: relative; overflow: hidden;
    background: linear-gradient(160deg, var(--ki-primary), #29358f 65%, #131a3e);
    color: #fff; padding: 44px 36px; display: flex; flex-direction: column; justify-content: center;
}
.ki-login-art-badge {
    width: 56px; height: 56px; border-radius: 16px; background: rgba(255, 255, 255, .16);
    display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 18px;
}
.ki-login-art h2 { font-weight: 800; margin-bottom: 10px; }
.ki-login-art p { color: rgba(255, 255, 255, .82); font-size: 14px; line-height: 1.6; margin-bottom: 22px; }
.ki-login-highlights { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.ki-login-highlights li { display: flex; align-items: center; gap: 10px; font-size: 13.5px; font-weight: 500; }
.ki-login-highlights i { color: var(--ki-accent); font-size: 16px; }
.ki-login-art-glow {
    position: absolute; width: 280px; height: 280px; border-radius: 50%;
    background: radial-gradient(circle, rgba(33, 195, 166, .45), transparent 70%);
    right: -90px; bottom: -100px; pointer-events: none;
}
.ki-login-box { padding: 46px 40px; display: flex; flex-direction: column; justify-content: center; }
.ki-login-head { text-align: left; margin-bottom: 22px; }
.ki-login-icon {
    display: none;
    width: 58px; height: 58px; border-radius: 16px; margin: 0 auto 18px;
    background: linear-gradient(135deg, var(--ki-primary), var(--ki-accent)); color: #fff;
    align-items: center; justify-content: center; font-size: 27px;
    box-shadow: 0 10px 24px rgba(74, 99, 232, .35);
}
.ki-login-head h4 { margin: 0 0 4px; font-weight: 800; font-size: 24px; }
.ki-login-head p { color: var(--ki-muted); font-size: 13.5px; margin: 0; }
.ki-forgot-link { font-size: 12.8px; font-weight: 600; }

/* ---------------- standalone auth cards (password reset flow) ---------------- */
.ki-auth-card {
    width: 100%; max-width: 440px; background: var(--ki-surface); border-radius: 20px;
    padding: 42px 38px; box-shadow: 0 30px 70px rgba(0, 0, 0, .35); position: relative; overflow: hidden;
}
.ki-auth-card::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px;
    background: linear-gradient(90deg, var(--ki-primary), var(--ki-accent));
}
.ki-auth-icon {
    width: 58px; height: 58px; border-radius: 16px; margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--ki-primary), var(--ki-accent)); color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 27px;
    box-shadow: 0 10px 24px rgba(74, 99, 232, .35);
}
.ki-auth-card h4 { text-align: center; font-weight: 800; margin-bottom: 6px; }
.ki-auth-sub { text-align: center; color: var(--ki-muted); font-size: 13.5px; margin-bottom: 22px; }

/* ---------------- ID card ---------------- */
.ki-idcard {
    width: 430px;
    max-width: 100%;
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
    box-shadow: var(--ki-shadow-md);
    position: relative;
    border: 1px solid var(--ki-border);
}
.ki-idcard-head {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(120deg, var(--ki-sidebar), var(--ki-primary) 140%);
    color: #fff;
    padding: 16px 18px;
    overflow: hidden;
}
.ki-idcard-head::after {
    content: "";
    position: absolute; right: -30px; top: -40px; width: 130px; height: 130px; border-radius: 50%;
    background: rgba(255, 255, 255, .12);
}
.ki-idcard-head .ki-idcard-badge {
    width: 42px; height: 42px; border-radius: 12px; background: rgba(255, 255, 255, .18);
    display: flex; align-items: center; justify-content: center; font-size: 22px; flex: 0 0 auto; z-index: 1;
}
.ki-idcard-head h5 { margin: 0; font-size: 16px; font-weight: 700; z-index: 1; }
.ki-idcard-head small { opacity: .85; z-index: 1; display: block; }
.ki-idcard-type {
    margin-left: auto; z-index: 1; background: rgba(255, 255, 255, .18);
    font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
    padding: 5px 10px; border-radius: 999px;
}
.ki-idcard-body { display: flex; gap: 18px; padding: 18px; position: relative; }
.ki-idcard-photo img,
.ki-idcard-photo span {
    width: 96px; height: 112px; border-radius: 10px; object-fit: cover;
    display: flex; align-items: center; justify-content: center;
    background: var(--ki-primary-light); color: var(--ki-primary); font-size: 36px; font-weight: 700;
    border: 3px solid #fff; box-shadow: 0 6px 14px rgba(30, 41, 82, .18);
}
.ki-idcard-info { flex: 1; min-width: 0; }
.ki-idcard-info h5 { font-size: 16.5px; margin-bottom: 8px; font-weight: 700; }
.ki-idcard-info table { width: 100%; font-size: 12.3px; }
.ki-idcard-info th { width: 36%; color: #5a6478; font-weight: 600; padding: 2.5px 0; vertical-align: top; }
.ki-idcard-info td { padding: 2.5px 0; font-weight: 500; }
.ki-idcard-barcode {
    display: flex; align-items: flex-end; gap: 2px; height: 30px; margin-top: 8px; opacity: .85;
}
.ki-idcard-barcode span { display: block; width: 3px; background: #1a2138; }
.ki-idcard-foot {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 18px; border-top: 1px dashed var(--ki-border);
    font-size: 11px; color: #77839a; background: #fbfbfe;
}
.ki-sign { border-top: 1px solid #aab3c4; padding-top: 3px; min-width: 120px; text-align: center; }
.ki-idcard-watermark {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    font-size: 46px; font-weight: 800; color: rgba(74, 99, 232, .05); pointer-events: none;
    transform: rotate(-18deg); letter-spacing: .1em; text-transform: uppercase; z-index: 0; user-select: none;
}

/* ---------------- admit card ---------------- */
.ki-admit {
    background: #fff; border-radius: 18px; padding: 0; max-width: 860px;
    box-shadow: var(--ki-shadow-md); overflow: hidden; border: 1px solid var(--ki-border);
}
.ki-admit-head {
    display: flex; justify-content: space-between; align-items: center;
    background: linear-gradient(120deg, var(--ki-sidebar), var(--ki-primary) 150%);
    color: #fff; padding: 22px 26px; position: relative; overflow: hidden;
}
.ki-admit-head::after {
    content: ""; position: absolute; right: -50px; bottom: -60px; width: 180px; height: 180px; border-radius: 50%;
    background: rgba(255, 255, 255, .08);
}
.ki-admit-head-left { display: flex; align-items: center; gap: 14px; z-index: 1; }
.ki-admit-badge { width: 48px; height: 48px; border-radius: 14px; background: rgba(255, 255, 255, .16); display: flex; align-items: center; justify-content: center; font-size: 24px; }
.ki-admit-head h4 { margin: 0; font-weight: 800; }
.ki-admit-head p { margin: 0; color: rgba(255, 255, 255, .82); font-size: 13px; }
.ki-admit-photo { z-index: 1; }
.ki-admit-photo img,
.ki-admit-photo span {
    width: 92px; height: 108px; object-fit: cover; border-radius: 10px; border: 3px solid #fff;
    display: flex; align-items: center; justify-content: center; color: #9aa4b8; background: #fff;
    box-shadow: 0 8px 18px rgba(0, 0, 0, .25);
}
.ki-admit-body { padding: 24px 26px; position: relative; }
.ki-admit-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.ki-admit-table th, .ki-admit-table td { border: 1px solid var(--ki-border); padding: 10px 12px; text-align: left; }
.ki-admit-table th { background: #f6f8fc; width: 17%; font-weight: 700; color: #414a63; }
.ki-admit-rules { margin-top: 18px; font-size: 13px; background: #fbfbfe; border: 1px dashed var(--ki-border); border-radius: 10px; padding: 14px 18px; }
.ki-admit-rules h6 { font-weight: 700; margin-bottom: 8px; }
.ki-admit-foot { display: flex; justify-content: space-between; margin-top: 50px; font-size: 12px; color: #5a6478; }
.ki-admit-foot span { border-top: 1px solid #aab3c4; padding-top: 5px; min-width: 200px; text-align: center; font-weight: 600; }
.ki-admit-seal {
    width: 70px; height: 70px; border-radius: 50%; align-self: center;
    border: 2px dashed rgba(74, 99, 232, .5) !important; display: flex; align-items: center; justify-content: center;
    color: var(--ki-primary); font-size: 10.5px; font-weight: 800 !important; text-transform: uppercase; text-align: center;
    line-height: 1.3; transform: rotate(-12deg); opacity: .8; min-width: 0 !important; padding-top: 0 !important;
}

/* ---------------- grade badges ---------------- */
.grade-chip {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 5px 13px; border-radius: 999px; color: #fff; font-weight: 700; font-size: 13px;
    box-shadow: 0 6px 14px rgba(0, 0, 0, .12);
}
.grade-chip.grade-lg { font-size: 20px; padding: 8px 22px; }
.grade-aplus { background: linear-gradient(135deg, #16a34a, #22c55e); }
.grade-a { background: linear-gradient(135deg, #2563eb, #3b82f6); }
.grade-aminus { background: linear-gradient(135deg, #0891b2, #06b6d4); }
.grade-b { background: linear-gradient(135deg, #7c3aed, #a855f7); }
.grade-c { background: linear-gradient(135deg, #d97706, #f59e0b); }
.grade-d { background: linear-gradient(135deg, #ea580c, #fb923c); }
.grade-f { background: linear-gradient(135deg, #dc2626, #ef4444); }
.grade-pending { background: #cbd2e1; color: #4a5169; box-shadow: none; }

/* ---------------- exam ---------------- */
.ki-exam-bar {
    display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
    background: #fff; border: 1px solid var(--ki-border); border-radius: var(--ki-radius);
    padding: 14px 18px; margin-bottom: 16px; position: sticky; top: 68px; z-index: 4; box-shadow: var(--ki-shadow);
}
.ki-timer { font-size: 21px; font-weight: 800; color: var(--ki-primary); font-family: var(--ki-font-head); }
.ki-timer.is-ending { color: var(--ki-danger); }
.ki-camera { width: 100%; border-radius: 12px; background: #101623; min-height: 260px; }
.ki-shot-box {
    border: 1px dashed var(--ki-border); border-radius: 12px; padding: 8px; text-align: center;
    background: #f8fafd;
}
.ki-shot-box img { width: 100%; border-radius: 8px; display: none; }
.ki-shot-box img.is-filled { display: block; }
.ki-shot-box span { display: block; font-size: 12px; color: #77839a; margin-top: 6px; }
.ki-face-status {
    display: flex; align-items: center; gap: 8px; padding: 9px 13px; border-radius: 10px;
    font-size: 13px; font-weight: 600;
}
.ki-face-status-pending { background: #f1f3f9; color: #5a6478; }
.ki-face-status-ready { background: var(--ki-primary-light); color: var(--ki-primary-dark); }
.ki-face-status-success { background: #e8f9f2; color: #17a374; }
.ki-face-status-error { background: #fdecec; color: var(--ki-danger); }

/* ---------------- materials ---------------- */
.ki-material { border: 1px solid var(--ki-border); border-radius: var(--ki-radius); padding: 18px; background: #fff; height: 100%; transition: transform .15s ease, box-shadow .15s ease; }
.ki-material:hover { transform: translateY(-3px); box-shadow: var(--ki-shadow-md); }
.ki-material-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--ki-primary-light); display: flex; align-items: center; justify-content: center; }
.ki-material-icon i { font-size: 22px; color: var(--ki-primary); }
.ki-material h6 { margin: 10px 0 2px; font-weight: 700; }

/* ---------------- chat ---------------- */
.ki-chat { display: flex; gap: 16px; height: calc(100vh - 190px); min-height: 480px; }
.ki-chat-side {
    width: 300px; flex: 0 0 300px; background: #fff; border: 1px solid var(--ki-border);
    border-radius: var(--ki-radius); overflow-y: auto; box-shadow: var(--ki-shadow);
}
.ki-chat-search { padding: 12px; border-bottom: 1px solid var(--ki-border); }
.ki-chat-section { padding: 12px 14px 4px; font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: #8b95a9; }
.ki-chat-list { list-style: none; margin: 0; padding: 0 6px; }
.ki-chat-list a { display: flex; align-items: center; gap: 10px; padding: 10px 8px; color: var(--ki-text); border-radius: 10px; }
.ki-chat-list a:hover, .ki-chat-list a.is-active { background: var(--ki-primary-light); }
.ki-chat-meta { flex: 1; min-width: 0; }
.ki-chat-meta strong { display: block; font-size: 13.5px; }
.ki-chat-meta small { color: #8b95a9; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ki-chat-empty { padding: 10px 12px; color: #8b95a9; font-size: 13px; }

.ki-chat-main { flex: 1; background: #fff; border: 1px solid var(--ki-border); border-radius: var(--ki-radius); display: flex; flex-direction: column; min-width: 0; box-shadow: var(--ki-shadow); }
.ki-chat-head { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--ki-border); }
.ki-chat-body { flex: 1; overflow-y: auto; padding: 18px; background: #f7f9fc; }
.ki-bubble { max-width: 70%; background: #fff; border: 1px solid var(--ki-border); border-radius: 14px; padding: 9px 13px; margin-bottom: 10px; box-shadow: 0 2px 6px rgba(30, 41, 82, .05); }
.ki-bubble p { margin: 0; white-space: pre-wrap; word-wrap: break-word; }
.ki-bubble.is-mine { margin-left: auto; background: linear-gradient(135deg, var(--ki-primary-light), #e3f8f2); border-color: #d3e0fb; }
.ki-bubble-time { display: block; font-size: 10.5px; color: #8b95a9; margin-top: 4px; }
.ki-bubble-file { font-size: 13px; }
.ki-chat-form { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--ki-border); }
.ki-chat-note { padding: 0 12px 10px; font-size: 12px; color: #8b95a9; }
.ki-chat-placeholder { margin: auto; text-align: center; color: #8b95a9; }
.ki-chat-placeholder i { font-size: 40px; }

/* ---------------- notification bell / dropdown ---------------- */
.ki-notif-dropdown { position: relative; }
.ki-notif-panel {
    width: 340px; max-width: 88vw; padding: 0; border: 1px solid var(--ki-border);
    border-radius: 14px; box-shadow: var(--ki-shadow-md); overflow: hidden;
}
.ki-notif-panel-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; border-bottom: 1px solid var(--ki-border); font-weight: 700; font-size: 13.5px;
}
.ki-notif-panel-head a { font-size: 12px; font-weight: 600; }
.ki-notif-panel-body { max-height: 360px; overflow-y: auto; }
.ki-notif-panel-empty { padding: 26px 16px; text-align: center; color: var(--ki-muted); font-size: 13px; }
.ki-notif-panel-empty i { font-size: 26px; display: block; margin-bottom: 6px; color: #c3c9db; }
.ki-notif-item { display: flex; gap: 10px; padding: 11px 16px; border-bottom: 1px solid #f1f3f9; color: var(--ki-text); }
.ki-notif-item:hover { background: #f8f9fd; }
.ki-notif-item.is-unread { background: #f4f6ff; }
.ki-notif-item-icon { width: 34px; height: 34px; border-radius: 10px; background: var(--ki-primary-light); color: var(--ki-primary); display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.ki-notif-item-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ki-notif-item-body span { font-size: 13px; line-height: 1.35; }
.ki-notif-item-body small { color: var(--ki-muted); font-size: 11px; }

.ki-notif-list { }
.ki-notif-unread { background: #f4f6ff; }
.ki-notif-icon { width: 40px; height: 40px; border-radius: 12px; background: var(--ki-primary-light); color: var(--ki-primary); display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.ki-notif-link { color: var(--ki-text); font-weight: 500; }
.ki-notif-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ki-primary); margin-top: 6px; flex: 0 0 auto; }

/* ---------------- delete confirmation ---------------- */
.ki-confirm-card { max-width: 480px; margin: 40px auto; }
.ki-confirm-icon {
    width: 74px; height: 74px; border-radius: 50%; background: #fdecec; color: var(--ki-danger);
    display: flex; align-items: center; justify-content: center; font-size: 32px; margin: 0 auto;
}

/* ---------------- SweetAlert2 tweaks ---------------- */
.swal2-popup { font-family: var(--ki-font-body); border-radius: 16px; }
.ki-swal-toast { font-size: 13.5px; }

/* ---------------- DataTables theming ---------------- */
.ki-dt-top, .ki-dt-bottom { padding: 12px 18px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.dataTables_wrapper .dataTables_filter input {
    border-radius: 9px; border: 1px solid var(--ki-border); padding: 7px 12px; margin-left: 8px; font-size: 13px;
}
.dataTables_wrapper .dataTables_length select {
    border-radius: 8px; border: 1px solid var(--ki-border); padding: 5px 26px 5px 10px; font-size: 13px;
}
.dataTables_wrapper .dataTables_info { color: var(--ki-muted); font-size: 12.5px; }
.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 8px !important; padding: 5px 11px !important; margin-left: 3px !important; border: 1px solid transparent !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--ki-primary) !important; color: #fff !important; border-color: var(--ki-primary) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--ki-primary-light) !important; color: var(--ki-primary) !important;
}
table.dataTable thead th { border-bottom: 2px solid var(--ki-border) !important; font-size: 12.5px; text-transform: uppercase; letter-spacing: .02em; color: #6b7690; }
table.dataTable.table-hover tbody tr:hover { background: #f8f9fd; }
div.dataTables_wrapper div.dataTables_length, div.dataTables_wrapper div.dataTables_filter { margin-bottom: 4px; }

/* ---------------- Flatpickr tweaks ---------------- */
.flatpickr-calendar { border-radius: 12px; box-shadow: var(--ki-shadow-md); }
.flatpickr-day.selected, .flatpickr-day.selected:hover { background: var(--ki-primary); border-color: var(--ki-primary); }
.flatpickr-day.today { border-color: var(--ki-primary); }

/* ---------------- print ---------------- */
@media print {
    .ki-sidebar, .ki-topbar, .ki-footer, .ki-no-print, .alert, .ki-overlay { display: none !important; }
    body { background: #fff; }
    .ki-content { padding: 0; }
    .ki-print-area { padding: 0; }
    .ki-admit, .ki-idcard { border: 1px solid #333; box-shadow: none; }
    .ki-admit-head, .ki-idcard-head { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* ---------------- responsive ---------------- */
@media (max-width: 1199px) {
    .ki-login-shell { grid-template-columns: 1fr; max-width: 440px; position: relative; }
    .ki-login-shell::before {
        content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px;
        background: linear-gradient(90deg, var(--ki-primary), var(--ki-accent)); z-index: 1;
    }
    .ki-login-art { display: none; }
    .ki-login-icon { display: flex; }
    .ki-login-head { text-align: center; }
    .ki-login-box { padding: 42px 34px; }
}

@media (max-width: 991px) {
    .ki-sidebar {
        position: fixed; left: 0; top: 0; height: 100vh; z-index: 1050;
        transform: translateX(-105%); transition: transform .3s ease; box-shadow: 14px 0 34px rgba(0, 0, 0, .28);
    }
    .ki-sidebar.is-open { transform: translateX(0); }
    .ki-sidebar-close { display: inline-flex !important; align-items: center; justify-content: center; }
    .ki-content { padding: 16px; }
    .ki-exam-bar { position: static; }
    .ki-chat { flex-direction: column; height: auto; }
    .ki-chat-side { width: 100%; flex: none; max-height: 260px; }
    .ki-chat-body { min-height: 320px; }
    .ki-admit-head { flex-wrap: wrap; gap: 14px; }
}

@media (max-width: 767px) {
    .ki-topbar { padding: 10px 14px; gap: 8px; }
    .ki-page-title { font-size: 15.5px; max-width: 46vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .ki-content { padding: 14px; }
    .ki-card .card-header { padding: 13px 14px; }
    .ki-card .card-body { padding: 14px; }
    .ki-stat { padding: 14px; }
    .ki-stat i { width: 42px; height: 42px; font-size: 20px; }
    .ki-stat h3 { font-size: 19px; }
    .ki-admit-body { padding: 16px; }
    .ki-admit-table th, .ki-admit-table td { padding: 7px 8px; font-size: 12px; }
    .ki-admit-foot { flex-direction: column; gap: 26px; margin-top: 30px; }
    .ki-idcard-body { flex-direction: column; align-items: center; text-align: center; }
    .ki-idcard-info table { text-align: left; }
    .ki-user-pill span.d-none { display: none !important; }
    .ki-notif-panel {
        position: fixed !important; top: 64px !important; left: 12px !important; right: 12px !important;
        bottom: auto !important; width: auto !important; max-width: none !important;
        margin: 0 !important; transform: none !important;
    }
}

@media (max-width: 575px) {
    .ki-login-page { padding: 16px; }
    .ki-login-shell { border-radius: 18px; }
    .ki-login-box { padding: 34px 22px; }
    .ki-login-head h4 { font-size: 21px; }
    .ki-auth-card { padding: 32px 22px; border-radius: 18px; }
    .ki-page-title { max-width: 38vw; }
    .ki-dt-top, .ki-dt-bottom { flex-direction: column; align-items: stretch; }
    .dataTables_wrapper .dataTables_filter input { margin-left: 0; margin-top: 6px; width: 100%; }
}