@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/limonte-sweetalert2/11.10.2/sweetalert2.min.css');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.css');

:root {
    --kh-bg: #070a12;
    --kh-bg-soft: #0d1220;
    --kh-surface: rgba(17, 24, 39, .78);
    --kh-surface-strong: #121827;
    --kh-surface-soft: rgba(255, 255, 255, .045);
    --kh-border: rgba(255, 255, 255, .10);
    --kh-border-strong: rgba(124, 92, 255, .32);
    --kh-text: #f8fafc;
    --kh-muted: #98a2b3;
    --kh-primary: #7c5cff;
    --kh-primary-2: #26c6ff;
    --kh-success: #20d99a;
    --kh-warning: #f8bd4f;
    --kh-danger: #ff5f7a;
    --kh-shadow: 0 24px 80px rgba(0, 0, 0, .34);
    --kh-radius: 22px;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--kh-bg); }
body {
    min-height: 100vh;
    margin: 0;
    color: var(--kh-text);
    background:
        radial-gradient(circle at 15% -10%, rgba(124, 92, 255, .28), transparent 34rem),
        radial-gradient(circle at 95% 15%, rgba(38, 198, 255, .16), transparent 31rem),
        linear-gradient(145deg, #070a12 0%, #0a0e19 50%, #080b13 100%);
    background-attachment: fixed;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
    letter-spacing: -.01em;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: .18;
    background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to bottom, black, transparent 80%);
    z-index: -1;
}

a { color: #a99aff; text-decoration: none; }
a:hover { color: #c8bfff; }
::selection { background: rgba(124, 92, 255, .55); color: #fff; }

.site-shell { min-height: 100vh; display: flex; flex-direction: column; }
.site-main { flex: 1 0 auto; }
.site-container { max-width: 1240px; }
.page-content { padding-top: 2rem; padding-bottom: 5rem; }

/* Header */
.kh-navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    padding: .85rem 0;
    background: rgba(7, 10, 18, .74);
    backdrop-filter: blur(20px) saturate(140%);
    border-bottom: 1px solid var(--kh-border);
}
.kh-brand { display: inline-flex; align-items: center; gap: .75rem; color: #fff !important; font-weight: 800; letter-spacing: -.035em; }
.kh-brand-mark {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 13px;
    color: #fff;
    font-weight: 900;
    background: linear-gradient(135deg, var(--kh-primary), var(--kh-primary-2));
    box-shadow: 0 10px 28px rgba(124, 92, 255, .34), inset 0 1px 0 rgba(255,255,255,.28);
}
.kh-brand-copy { line-height: 1; }
.kh-brand-copy small { display: block; margin-top: .32rem; color: var(--kh-muted); font-size: .61rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.kh-navbar .nav-link {
    margin: 0 .12rem;
    padding: .65rem .9rem !important;
    border-radius: 12px;
    color: #cbd2df !important;
    font-size: .91rem;
    font-weight: 600;
    transition: .2s ease;
}
.kh-navbar .nav-link:hover, .kh-navbar .nav-link.active { color: #fff !important; background: rgba(255,255,255,.07); }
.kh-navbar .navbar-toggler { border: 1px solid var(--kh-border); border-radius: 12px; box-shadow: none; }

/* Sidebar */
.kh-sidebar {
    position: fixed;
    top: 0;
    right: -340px;
    width: min(330px, 92vw);
    height: 100vh;
    z-index: 1060;
    padding: 1.25rem;
    overflow-y: auto;
    background: rgba(10, 14, 25, .96);
    backdrop-filter: blur(24px);
    border-left: 1px solid var(--kh-border);
    box-shadow: -28px 0 80px rgba(0,0,0,.35);
    transition: right .28s ease;
}
.kh-sidebar.open { right: 0; }
.kh-sidebar-overlay { position: fixed; inset: 0; z-index: 1055; visibility: hidden; opacity: 0; background: rgba(0,0,0,.58); backdrop-filter: blur(4px); transition: .25s ease; }
.kh-sidebar-overlay.open { visibility: visible; opacity: 1; }
.kh-sidebar-head { display: flex; justify-content: space-between; align-items: center; padding: .25rem .25rem 1rem; border-bottom: 1px solid var(--kh-border); }
.kh-sidebar-user { display: flex; align-items: center; gap: .8rem; min-width: 0; }
.kh-avatar { display: grid; place-items: center; width: 44px; height: 44px; flex: 0 0 44px; border-radius: 14px; font-weight: 800; background: linear-gradient(135deg, rgba(124,92,255,.9), rgba(38,198,255,.85)); }
.kh-sidebar-user strong, .kh-sidebar-user small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kh-sidebar-user small { margin-top: .2rem; color: var(--kh-muted); font-size: .75rem; }
.kh-sidebar-nav { padding: 1rem 0; }
.kh-sidebar-nav .nav-link { display: flex; align-items: center; gap: .75rem; margin: .25rem 0; padding: .78rem .9rem; border-radius: 13px; color: #cbd2df; font-weight: 600; }
.kh-sidebar-nav .nav-link i { width: 1.2rem; color: #9a8aff; }
.kh-sidebar-nav .nav-link:hover { color: #fff; background: rgba(255,255,255,.065); }
.kh-sidebar-nav .nav-link.text-danger { color: #ff8ca0 !important; }
.kh-nav-label { padding: 1.1rem .9rem .35rem; color: #667085; font-size: .66rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }

/* Cards and panels */
.card, .premium-card {
    color: var(--kh-text);
    background: linear-gradient(145deg, rgba(20, 27, 43, .88), rgba(12, 17, 29, .84));
    border: 1px solid var(--kh-border) !important;
    border-radius: var(--kh-radius) !important;
    box-shadow: var(--kh-shadow);
    overflow: hidden;
}
.card-header {
    padding: 1.05rem 1.25rem !important;
    color: #fff !important;
    background: rgba(255,255,255,.035) !important;
    border-bottom: 1px solid var(--kh-border) !important;
    font-weight: 700;
}
.card-header.bg-dark, .bg-dark { background: rgba(255,255,255,.035) !important; }
.card-body { padding: 1.25rem; }

.kh-kicker { color: #a99aff; font-size: .7rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.kh-page-title { margin: .35rem 0 .5rem; font-size: clamp(1.75rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: -.055em; }
.kh-page-subtitle { max-width: 680px; color: var(--kh-muted); }
.kh-page-head { margin-bottom: 1.5rem; }

/* Forms */
.form-label, label { color: #d8deea; font-weight: 600; font-size: .88rem; }
.form-control, .form-select, .input-group-text {
    min-height: 48px;
    color: #f8fafc;
    background-color: rgba(5, 9, 17, .62);
    border: 1px solid rgba(255,255,255,.11);
    border-radius: 13px;
    box-shadow: none !important;
}
.form-control::placeholder { color: #667085; }
.form-control:focus, .form-select:focus {
    color: #fff;
    background-color: rgba(5, 9, 17, .78);
    border-color: rgba(124, 92, 255, .72);
    box-shadow: 0 0 0 .22rem rgba(124, 92, 255, .14) !important;
}
.form-floating > label { color: #8f99aa; }
.form-floating > .form-control:focus ~ label, .form-floating > .form-control:not(:placeholder-shown) ~ label { color: #bcb4ff; }
.form-check-input { background-color: rgba(255,255,255,.07); border-color: rgba(255,255,255,.18); }
.form-check-input:checked { background-color: var(--kh-primary); border-color: var(--kh-primary); }
.input-group > .form-control:not(:last-child), .input-group > .form-select:not(:last-child) { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.input-group-text { color: #9aa4b4; }

/* Buttons */
.btn { min-height: 44px; padding: .68rem 1rem; border-radius: 13px; font-weight: 700; letter-spacing: -.01em; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-dark, .btn-primary, .btn-default {
    color: #fff !important;
    border-color: transparent !important;
    background: linear-gradient(135deg, var(--kh-primary), #5e8cff) !important;
    box-shadow: 0 12px 30px rgba(124, 92, 255, .24);
}
.btn-dark:hover, .btn-primary:hover, .btn-default:hover { box-shadow: 0 16px 36px rgba(124, 92, 255, .33); }
.btn-danger { color: #fff; border-color: rgba(255,95,122,.35); background: linear-gradient(135deg, #ff5f7a, #d93a63); box-shadow: 0 12px 28px rgba(255,95,122,.19); }
.btn-success { border-color: transparent; background: linear-gradient(135deg, #20d99a, #13a979); }
.btn-outline-dark, .btn-outline-light, .btn-outline-secondary, .btn-outline-primary {
    color: #e5e9f2 !important;
    border-color: rgba(255,255,255,.14) !important;
    background: rgba(255,255,255,.035) !important;
}
.btn-outline-dark:hover, .btn-outline-light:hover, .btn-outline-secondary:hover, .btn-outline-primary:hover { color: #fff !important; border-color: rgba(124,92,255,.42) !important; background: rgba(124,92,255,.14) !important; }
.btn-sm { min-height: 36px; padding: .45rem .7rem; border-radius: 10px; }

/* Tables and lists */
.table-responsive { border-radius: 16px; }
.table { --bs-table-bg: transparent; --bs-table-color: #dfe5ef; --bs-table-border-color: rgba(255,255,255,.075); margin-bottom: 0; color: #dfe5ef; }
.table thead th { padding: .9rem .8rem; color: #9ca6b8; background: rgba(255,255,255,.035); border-bottom: 1px solid rgba(255,255,255,.1); font-size: .72rem; font-weight: 800; letter-spacing: .075em; text-transform: uppercase; white-space: nowrap; }
.table tbody td { padding: .86rem .8rem; vertical-align: middle; }
.table-hover > tbody > tr:hover > * { color: #fff; background: rgba(124,92,255,.065); }
.table-bordered > :not(caption) > * { border-width: 0 0 1px; }
.list-group { border-radius: 15px; overflow: hidden; }
.list-group-item { color: #dce2ec; background: rgba(255,255,255,.025); border-color: rgba(255,255,255,.075); }
.list-group-item-action:hover { color: #fff; background: rgba(124,92,255,.08); }
.badge.text-dark { color: #e9edff !important; background: rgba(124,92,255,.12); border: 1px solid rgba(124,92,255,.18); }
.badge.text-primary { color: #8edcff !important; background: rgba(38,198,255,.1); }

/* Alerts, pagination, menus */
.alert { color: #e8edf6; background: rgba(255,255,255,.045); border: 1px solid var(--kh-border); border-radius: 15px; }
.alert-success { color: #b9ffe6; background: rgba(32,217,154,.09); border-color: rgba(32,217,154,.25); }
.alert-danger { color: #ffc0cb; background: rgba(255,95,122,.09); border-color: rgba(255,95,122,.25); }
.alert-warning { color: #ffe2a8; background: rgba(248,189,79,.09); border-color: rgba(248,189,79,.25); }
.alert-secondary { color: #d5d9e2; background: rgba(255,255,255,.04); }
.text-muted { color: var(--kh-muted) !important; }
.dropdown-menu { color: #e5e7eb; background: #111725; border: 1px solid var(--kh-border); border-radius: 14px; box-shadow: var(--kh-shadow); }
.dropdown-item { color: #d7deea; border-radius: 9px; }
.dropdown-item:hover { color: #fff; background: rgba(124,92,255,.14); }
.page-link { color: #c8c1ff; background: rgba(255,255,255,.035); border-color: var(--kh-border); }
.page-link:hover, .page-item.active .page-link { color: #fff; background: var(--kh-primary); border-color: var(--kh-primary); }

/* Authentication */
.auth-wrap { min-height: calc(100vh - 170px); display: grid; place-items: center; padding: 2rem 0 4rem; }
.auth-grid { width: min(1020px, 100%); display: grid; grid-template-columns: 1.02fr .98fr; overflow: hidden; border: 1px solid var(--kh-border); border-radius: 28px; background: rgba(10,14,24,.75); box-shadow: 0 35px 100px rgba(0,0,0,.42); backdrop-filter: blur(22px); }
.auth-visual { position: relative; min-height: 620px; padding: 3rem; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; background: linear-gradient(145deg, rgba(124,92,255,.22), rgba(38,198,255,.08)); border-right: 1px solid var(--kh-border); }
.auth-visual::before { content: ''; position: absolute; width: 360px; height: 360px; top: -100px; right: -120px; border-radius: 50%; background: radial-gradient(circle, rgba(38,198,255,.34), transparent 68%); }
.auth-visual::after { content: ''; position: absolute; width: 420px; height: 420px; bottom: -220px; left: -160px; border-radius: 50%; background: radial-gradient(circle, rgba(124,92,255,.48), transparent 68%); }
.auth-visual > * { position: relative; z-index: 1; }
.auth-visual h1 { max-width: 440px; margin: 1rem 0; font-size: clamp(2rem, 4.3vw, 3.7rem); font-weight: 800; line-height: 1.02; letter-spacing: -.07em; }
.auth-visual p { max-width: 430px; color: #bdc6d6; line-height: 1.7; }
.auth-feature { display: flex; gap: .8rem; align-items: flex-start; margin-top: 1rem; }
.auth-feature-icon { display: grid; place-items: center; width: 38px; height: 38px; flex: 0 0 38px; border-radius: 12px; color: #fff; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.12); }
.auth-feature strong { display: block; font-size: .91rem; }
.auth-feature small { color: var(--kh-muted); }
.auth-panel { padding: 3rem; display: flex; flex-direction: column; justify-content: center; background: rgba(8,12,21,.54); }
.auth-panel h2 { margin-bottom: .35rem; font-weight: 800; letter-spacing: -.045em; }
.auth-panel .auth-subtitle { margin-bottom: 1.75rem; color: var(--kh-muted); }
.auth-divider { display: flex; align-items: center; gap: .8rem; margin: 1.25rem 0; color: #667085; font-size: .76rem; }
.auth-divider::before, .auth-divider::after { content: ''; height: 1px; flex: 1; background: var(--kh-border); }
.kh-security-chip { display: inline-flex; align-items: center; gap: .45rem; width: fit-content; padding: .45rem .7rem; border: 1px solid rgba(32,217,154,.2); border-radius: 999px; color: #a7f3d0; background: rgba(32,217,154,.07); font-size: .72rem; font-weight: 700; }

/* Dashboard helpers */
.stat-card { height: 100%; padding: 1.25rem; border: 1px solid var(--kh-border); border-radius: 18px; background: rgba(255,255,255,.032); }
.stat-label { color: var(--kh-muted); font-size: .76rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.stat-value { margin-top: .4rem; font-size: 1.45rem; font-weight: 800; letter-spacing: -.04em; }
.status-box { color: var(--kh-text); background: rgba(255,255,255,.035) !important; border-color: var(--kh-border) !important; }

/* SweetAlert */
.swal2-popup { color: #edf1f8 !important; background: #111725 !important; border: 1px solid var(--kh-border); border-radius: 20px !important; }
.swal2-title, .swal2-html-container { color: #edf1f8 !important; }

.site-footer { flex: 0 0 auto; padding: 1.2rem 0 1.6rem; color: #667085; border-top: 1px solid rgba(255,255,255,.06); background: rgba(7,10,18,.38); }
.key-sensi { filter: blur(4px); transition: filter .2s ease; }
.key-sensi:hover { filter: blur(0); }

/* Legacy switches */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; inset: 0; cursor: pointer; background: #374151; transition: .25s; }
.slider::before { content: ''; position: absolute; width: 16px; height: 16px; left: 4px; bottom: 4px; background: #fff; transition: .25s; }
input:checked + .slider { background: linear-gradient(135deg, var(--kh-primary), var(--kh-primary-2)); }
input:checked + .slider::before { transform: translateX(20px); }
.slider.round { border-radius: 999px; }
.slider.round::before { border-radius: 50%; }

@media (max-width: 991.98px) {
    .auth-grid { grid-template-columns: 1fr; max-width: 640px; }
    .auth-visual { min-height: auto; padding: 2.2rem; border-right: 0; border-bottom: 1px solid var(--kh-border); }
    .auth-visual h1 { font-size: 2.4rem; }
    .auth-visual .auth-features { display: none; }
    .auth-panel { padding: 2.2rem; }
}
@media (max-width: 575.98px) {
    .page-content { padding-top: 1.2rem; }
    .auth-wrap { padding-top: .7rem; }
    .auth-grid { border-radius: 22px; }
    .auth-visual, .auth-panel { padding: 1.35rem; }
    .auth-visual h1 { font-size: 2rem; }
    .card-body { padding: 1rem; }
    .kh-brand-copy small { display: none; }
}