/* ==========================================================================
   Mentor — design system (Soft Pastel Modern)
   Dimuat setelah AdminLTE/Bootstrap dan setelah CSS DataTables.
   Palet pastel cerah-lembut: indigo + rose + amber + mint di atas krem-lavender.
   Override lewat CSS custom property milik Bootstrap 5.3.
   ========================================================================== */

:root {
    /* ----------------------------------------------------------------- ink
       Slate bukan hitam pekat — lebih nyaman di mata untuk baca lama. */
    --app-ink: #1e293b;           /* slate-800 */
    --app-ink-soft: #334155;      /* slate-700 */
    --app-muted: #64748b;         /* slate-500 */
    --app-border: #e7e5ef;        /* lavender-mist tipis */
    --app-border-strong: #d4d2e0;

    /* ------------------------------------------------------------ surface
       Krem-lavender lembut, bukan putih steril. */
    --app-surface: #faf8fc;
    --app-surface-raised: #ffffff;
    --app-surface-glass: rgba(255, 255, 255, 0.72);

    /* ------------------------------------------------------------ primary
       Indigo lembut (#6366f1) — modern, tenang, professional. */
    --app-primary: #6366f1;       /* indigo-500 */
    --app-primary-hover: #4f46e5; /* indigo-600 */
    --app-primary-deep: #4338ca;  /* indigo-700 */
    --app-primary-soft: #e0e7ff;  /* indigo-100 */
    --app-primary-glow: rgba(99, 102, 241, 0.30);

    /* ------------------------------------------------------------- accent
       Rose-coral hangat untuk kontras yang ramah & friendly. */
    --app-accent: #fb7185;        /* rose-400 */
    --app-accent-soft: #ffe4e6;   /* rose-100 */

    /* -------------------------------------------------------------- amber
       Warm highlight untuk peringatan/info lembut. */
    --app-amber: #fbbf24;         /* amber-400 */
    --app-amber-soft: #fef3c7;    /* amber-100 */

    /* --------------------------------------------------------------- mint
       Teal lembut untuk success/positive. */
    --app-mint: #5eead4;          /* teal-300 */
    --app-mint-soft: #ccfbf1;     /* teal-100 */

    /* --------------------------------------------------------- neutral soft
       Token netral untuk stripe & hover tabel. */
    --app-sage: #f4f1fb;          /* soft lavender-mist */

    /* --------------------------------------------------------- radius skala
       Sudut besar = kesan modern & lembut. */
    --app-radius-xs: 6px;
    --app-radius-sm: 10px;
    --app-radius-md: 14px;
    --app-radius-lg: 18px;
    --app-radius-xl: 24px;

    /* ----------------------------------------------------------- shadow
       Shadow tinted indigo tipis — kedalaman tanpa terlihat kotor. */
    --app-shadow-xs: 0 1px 2px rgba(99, 102, 241, 0.04);
    --app-shadow-sm: 0 1px 3px rgba(99, 102, 241, 0.07), 0 1px 2px rgba(99, 102, 241, 0.04);
    --app-shadow-md: 0 6px 20px -8px rgba(99, 102, 241, 0.18), 0 2px 6px -2px rgba(99, 102, 241, 0.08);
    --app-shadow-lg: 0 18px 40px -12px rgba(99, 102, 241, 0.22), 0 6px 14px -6px rgba(99, 102, 241, 0.10);
    --app-shadow-glow: 0 0 0 4px rgba(99, 102, 241, 0.14), 0 8px 24px -6px rgba(99, 102, 241, 0.34);
    --app-ring: 0 0 0 3px rgba(99, 102, 241, 0.22);

    /* ------------------------------------------------------------ gradient
       Preset gradient siap pakai untuk tombol, kartu, sidebar. */
    --app-gradient-primary: linear-gradient(135deg, #818cf8 0%, #6366f1 100%);
    --app-gradient-primary-hover: linear-gradient(135deg, #6366f1 0%, #4338ca 100%);
    --app-gradient-accent: linear-gradient(135deg, #fda4af 0%, #fb7185 100%);
    --app-gradient-amber: linear-gradient(135deg, #fcd34d 0%, #fbbf24 100%);
    --app-gradient-mint: linear-gradient(135deg, #5eead4 0%, #2dd4bf 100%);
    --app-gradient-soft: linear-gradient(135deg, #e0e7ff 0%, #fce7f3 100%);
    --app-gradient-surface: linear-gradient(180deg, #ffffff 0%, #faf8fc 100%);

    /* ----------------------------------------------------------- sidebar */
    --app-sidebar-bg: #ffffff;
    --app-sidebar-bg-glass: rgba(255, 255, 255, 0.82);
    --app-sidebar-fg: #334155;
    --app-sidebar-icon: #94a3b8;
    --app-sidebar-active-bg: linear-gradient(135deg, #e0e7ff 0%, #f5d0fe 100%);
    --app-sidebar-active-fg: #4338ca;

    /* -------------------------------------------- bootstrap overrides
       Bootstrap menurunkan warna teks kartu/tabel/dropdown dari variabel ini. */
    --bs-body-color: var(--app-ink);
    --bs-body-color-rgb: 30, 41, 59;
    --bs-emphasis-color: var(--app-ink);
    --bs-emphasis-color-rgb: 30, 41, 59;
    --bs-heading-color: var(--app-ink);
    --bs-secondary-color: rgba(100, 116, 139, 0.85);
    --bs-border-color: var(--app-border);
    --bs-border-color-translucent: rgba(100, 116, 139, 0.18);

    /* Bayangan bawaan Bootstrap memakai hitam; ganti jadi indigo sangat tipis. */
    --bs-box-shadow-inset: inset 0 1px 2px rgba(99, 102, 241, 0.06);
    --bs-box-shadow: var(--app-shadow-sm);

    /* Warna utama Bootstrap supaya badge/utility ikut konsisten. */
    --bs-primary: var(--app-primary);
    --bs-primary-rgb: 99, 102, 241;

    /* DataTables: panah urut, latar kolom terurut, dan stripe bawaan. */
    --dt-order-arrow_color: var(--app-primary);
    --dt-order-arrow_color-current: var(--app-primary);
    --dt-order-arrow_opacity: .35;
    --dt-order-arrow_opacity-current: 1;
    --dt-order-header-outline-hover: 2px solid rgba(99, 102, 241, 0.18);
    --dt-column-ordering_background: 99, 102, 241;
    --dt-row-background-stripe: 99, 102, 241;
    --dt-row-background-hover: 99, 102, 241;
}

body {
    color: var(--app-ink);
    background-color: var(--app-surface);
    /* Multi-radial gradient lembut — bauran indigo + rose + amber di pojok */
    background-image:
        radial-gradient(circle at 0% 0%, rgba(129, 140, 248, 0.10) 0%, transparent 38%),
        radial-gradient(circle at 100% 0%, rgba(253, 164, 175, 0.08) 0%, transparent 38%),
        radial-gradient(circle at 100% 100%, rgba(251, 191, 36, 0.05) 0%, transparent 38%),
        radial-gradient(circle at 0% 100%, rgba(94, 234, 212, 0.07) 0%, transparent 38%);
    background-attachment: fixed;
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: .9375rem;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* --------------------------------------------------------------- tipografi */
h1, h2, h3, h4, .h1, .h2, .h3, .h4, .page-title {
    letter-spacing: -.02em;
    font-weight: 700;
    color: var(--app-ink);
}

.page-title {
    font-size: clamp(1.25rem, 1rem + .7vw, 1.65rem);
    margin: 0;
    /* Gradient text indigo → rose untuk headline modern */
    background: linear-gradient(135deg, var(--app-ink) 0%, var(--app-primary-deep) 50%, #db2777 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-subtitle {
    color: var(--app-muted);
    font-size: .8125rem;
    margin: .2rem 0 0;
    font-weight: 450;
}

.text-muted, .text-body-secondary {
    color: var(--app-muted) !important;
}

/* Bootstrap primary dibawa ke indigo supaya badge/utility ikut konsisten. */
.bg-primary {
    background-color: var(--app-primary) !important;
}

.text-bg-primary {
    background-color: var(--app-primary) !important;
    color: #fff !important;
}

.link-primary, a {
    color: var(--app-primary-hover);
    transition: color .15s ease;
}

.link-primary:hover, a:hover {
    color: var(--app-primary-deep);
}

/* ------------------------------------------------------------- aksesibilitas */
.skip-link {
    position: absolute;
    left: 50%;
    top: -3rem;
    transform: translateX(-50%);
    z-index: 1080;
    padding: .55rem 1.1rem;
    background: var(--app-gradient-primary);
    color: #fff;
    border-radius: 0 0 var(--app-radius-sm) var(--app-radius-sm);
    box-shadow: var(--app-shadow-md);
    transition: top .2s cubic-bezier(.4, 0, .2, 1);
    font-weight: 550;
}

.skip-link:focus {
    top: 0;
    color: #fff;
}

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

.form-control:focus,
.form-select:focus,
.btn:focus-visible,
.form-check-input:focus {
    border-color: var(--app-primary);
    box-shadow: var(--app-ring);
}

.form-check-input:checked {
    background-color: var(--app-primary);
    border-color: var(--app-primary);
}

input,
select,
textarea {
    color: var(--app-ink);
}

/* ------------------------------------------------------------------ tombol
   Tombol primary gradient indigo + glow saat hover. */
.btn {
    --bs-btn-border-radius: var(--app-radius-sm);
    --bs-btn-padding-x: .95rem;
    --bs-btn-font-weight: 580;
    --bs-btn-box-shadow: var(--app-shadow-xs);
    --bs-btn-active-shadow: inset 0 2px 4px rgba(99, 102, 241, 0.10);
    min-height: 2.45rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    transition: all .2s cubic-bezier(.4, 0, .2, 1);
    letter-spacing: -.005em;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-sm {
    min-height: 2.1rem;
    --bs-btn-padding-x: .7rem;
}

.btn-primary {
    --bs-btn-bg: var(--app-primary);
    --bs-btn-border-color: transparent;
    --bs-btn-hover-bg: var(--app-primary-hover);
    --bs-btn-hover-border-color: transparent;
    --bs-btn-active-bg: var(--app-primary-deep);
    --bs-btn-active-border-color: transparent;
    --bs-btn-disabled-bg: #c7d2fe;
    --bs-btn-disabled-border-color: #c7d2fe;
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
    --bs-btn-active-color: #fff;
    --bs-btn-disabled-color: #fff;
    background-image: linear-gradient(135deg, #818cf8 0%, #6366f1 100%);
    box-shadow: 0 4px 12px -2px rgba(99, 102, 241, 0.40), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.btn-primary:hover {
    background-image: linear-gradient(135deg, #6366f1 0%, #4338ca 100%);
    box-shadow: 0 8px 20px -4px rgba(99, 102, 241, 0.50), inset 0 1px 0 rgba(255, 255, 255, 0.20);
}

.btn-primary:active {
    background-image: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* Accent button — soft rose variant */
.btn-accent {
    --bs-btn-bg: var(--app-accent);
    --bs-btn-border-color: transparent;
    --bs-btn-hover-bg: #f43f5e;
    --bs-btn-hover-border-color: transparent;
    --bs-btn-active-bg: #e11d48;
    --bs-btn-active-border-color: transparent;
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
    --bs-btn-active-color: #fff;
    background-image: linear-gradient(135deg, #fda4af 0%, #fb7185 100%);
    box-shadow: 0 4px 12px -2px rgba(251, 113, 133, 0.40), inset 0 1px 0 rgba(255, 255, 255, 0.20);
}

.btn-accent:hover {
    background-image: linear-gradient(135deg, #fb7185 0%, #e11d48 100%);
    box-shadow: 0 8px 20px -4px rgba(251, 113, 133, 0.50), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.btn-outline-primary {
    --bs-btn-color: var(--app-primary-hover);
    --bs-btn-border-color: #c7d2fe;
    --bs-btn-hover-bg: var(--app-primary-soft);
    --bs-btn-hover-border-color: var(--app-primary);
    --bs-btn-hover-color: var(--app-primary-deep);
    --bs-btn-active-bg: var(--app-primary-soft);
    --bs-btn-active-color: var(--app-primary-deep);
    border-width: 1.5px;
}

.btn-outline-primary:hover {
    box-shadow: 0 4px 12px -4px rgba(99, 102, 241, 0.28);
}

.btn-outline-secondary {
    --bs-btn-color: #475569;
    --bs-btn-border-color: var(--app-border-strong);
    --bs-btn-hover-bg: var(--app-sage);
    --bs-btn-hover-border-color: #c4b5e0;
    --bs-btn-hover-color: var(--app-primary-hover);
    --bs-btn-active-bg: var(--app-sage);
    --bs-btn-active-color: var(--app-primary-hover);
}

.btn-outline-danger {
    --bs-btn-color: #e11d48;
    --bs-btn-border-color: #fecdd3;
    --bs-btn-hover-bg: #fff1f2;
    --bs-btn-hover-border-color: #f43f5e;
    --bs-btn-hover-color: #e11d48;
    --bs-btn-active-bg: #fff1f2;
    --bs-btn-active-color: #e11d48;
}

/* ------------------------------------------------------------------- kartu
   Kartu dengan border lembut + shadow tinted + hover lift.
   Accent bar gradient muncul saat hover. */
.card {
    --bs-card-border-color: var(--app-border);
    --bs-card-border-radius: var(--app-radius-lg);
    --bs-card-cap-bg: #fff;
    --bs-card-color: #1e293b;
    --bs-card-spacer-x: 1.25rem;
    --bs-card-spacer-y: 1.15rem;
    box-shadow: var(--app-shadow-sm);
    background-color: #fff;
    color: #1e293b;
    transition: transform .25s cubic-bezier(.4, 0, .2, 1), box-shadow .25s cubic-bezier(.4, 0, .2, 1);
    overflow: hidden;
    position: relative;

    /* Teks di dalam kartu pakai slate-800, bukan hitam pekat */
    --app-ink: #1e293b;
    --bs-body-color: #1e293b;
    --bs-emphasis-color: #1e293b;
    --bs-table-color: #1e293b;
    --bs-table-striped-color: #1e293b;
    --bs-table-hover-color: #1e293b;
}

.card:hover {
    box-shadow: var(--app-shadow-md);
    transform: translateY(-2px);
}

/* Garis aksen gradient di atas card-header */
.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #818cf8 0%, #fb7185 50%, #fbbf24 100%);
    opacity: 0;
    transition: opacity .25s ease;
    z-index: 1;
}

.card:hover::before {
    opacity: 1;
}

/* Glass-morphism variant */
.card-glass {
    background: var(--app-surface-glass);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: var(--app-shadow-md);
}

.card-header {
    background: var(--app-gradient-surface);
    color: var(--app-ink);
    border-bottom: 1px solid var(--app-border);
    padding: .95rem 1.25rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .55rem;
    position: relative;
}

.card-header .card-title {
    font-size: .9375rem;
    font-weight: 650;
    margin: 0;
    display: flex;
    align-items: center;
    gap: .5rem;
    letter-spacing: -.01em;
    color: #1e293b;
}

.card-header .card-title .bi {
    color: var(--app-primary);
    width: 1.6rem;
    height: 1.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--app-primary-soft);
    border-radius: var(--app-radius-xs);
    font-size: .85rem;
}

.card-header .card-tools,
.card-header .card-actions {
    margin-left: auto;
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    align-items: center;
}

.card-footer {
    background: var(--app-sage);
    border-top: 1px solid var(--app-border);
}

.card-accent {
    border-top-width: 3px;
}

/* Kartu aksen: tiap varian warna pakai garis tebal di atas */
.card-accent.card-accent-primary   { border-top: 3px solid #818cf8; }
.card-accent.card-accent-success   { border-top: 3px solid #5eead4; }
.card-accent.card-accent-warning   { border-top: 3px solid #fbbf24; }
.card-accent.card-accent-danger    { border-top: 3px solid #fb7185; }
.card-accent.card-accent-info      { border-top: 3px solid #38bdf8; }
.card-accent.card-accent-secondary { border-top: 3px solid #cbd5e1; }

/* ---------------------------------------------------------------- tabel
   Tabel modern: header gradient lembut, stripe lavender, hover indigo-soft. */
.table {
    --bs-table-striped-bg: rgba(224, 231, 251, 0.30);
    --bs-table-hover-bg: var(--app-primary-soft);
    --bs-table-border-color: var(--app-border);
    --bs-table-color: #1e293b;
    margin: 0;
    font-size: .875rem;
    color: #1e293b;
}

.table > thead > tr > th,
.table.dataTable > thead > tr > th {
    background: var(--app-gradient-surface);
    color: var(--app-ink-soft);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    white-space: nowrap;
    border-bottom: 1px solid var(--app-border-strong);
    padding: .85rem 1rem;
}

.table > thead > tr > th:first-child,
.table.dataTable > thead > tr > th:first-child {
    border-top-left-radius: var(--app-radius-md);
}

.table > thead > tr > th:last-child,
.table.dataTable > thead > tr > th:last-child {
    border-top-right-radius: var(--app-radius-md);
}

.table > tbody > tr {
    transition: background-color .15s ease;
}

.table > tbody > tr > td {
    vertical-align: middle;
    overflow-wrap: anywhere;
    padding: .8rem 1rem;
    border-bottom: 1px solid var(--app-border);
}

.table > tbody > tr:hover {
    background-color: var(--app-primary-soft) !important;
}

.table-actions {
    display: inline-flex;
    gap: .3rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.truncate-cell {
    max-width: 20rem;
}

/* Empty state */
.empty-state {
    padding: 2.5rem 1rem;
    text-align: center;
    color: var(--app-muted);
}

.empty-state .empty-state-icon {
    font-size: 2.25rem;
    color: #c7d2fe;
    display: block;
    margin-bottom: .75rem;
    opacity: .75;
}

.empty-state .empty-state-title {
    color: var(--app-ink);
    font-weight: 650;
    margin-bottom: .25rem;
    font-size: .95rem;
}

/* -------------------------------------------------------------- filter bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
    align-items: center;
}

.filter-bar .form-control,
.filter-bar .form-select {
    width: auto;
    min-width: 10rem;
    border-radius: var(--app-radius-sm);
    transition: all .15s ease;
}

.filter-bar .form-control:focus,
.filter-bar .form-select:focus {
    box-shadow: var(--app-ring);
}

/* ------------------------------------------------------------------ badge */
.badge {
    font-weight: 600;
    padding: .4em .7em;
    border-radius: 999px;
    letter-spacing: .01em;
    font-size: .72rem;
}

/* Badge variants supaya konsisten dengan palet pastel */
.badge.bg-primary {
    background-color: var(--app-primary) !important;
}
.badge.bg-success {
    background-color: #14b8a6 !important;
}
.badge.bg-warning {
    background-color: var(--app-amber) !important;
    color: #78350f !important;
}
.badge.bg-danger {
    background-color: var(--app-accent) !important;
}
.badge.bg-info {
    background-color: #38bdf8 !important;
}

/* ----------------------------------------------------------- stat card
   Kartu statistik dengan gradient pastel + ikon glow lembut. */
.stat-card {
    border-radius: var(--app-radius-lg);
    border: 1px solid var(--app-border);
    box-shadow: var(--app-shadow-sm);
    overflow: hidden;
    color: var(--app-ink);
    transition: transform .25s cubic-bezier(.4, 0, .2, 1), box-shadow .25s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--app-shadow-md);
}

.stat-card .stat-card-body {
    padding: 1.25rem;
    position: relative;
    z-index: 2;
    flex: 1 1 auto;
}

.stat-card .stat-card-value {
    font-size: clamp(1.5rem, 1.15rem + 1.2vw, 2.1rem);
    color: var(--app-primary-deep);
    font-weight: 750;
    letter-spacing: -.02em;
    margin: 0 0 .15rem;
}

.stat-card .stat-card-label {
    color: #334155;
    font-weight: 550;
    font-size: .8125rem;
    margin: 0;
}

.stat-card .stat-card-icon {
    position: absolute;
    top: 1rem;
    right: 1.1rem;
    font-size: 3.25rem;
    color: rgba(99, 102, 241, 0.20);
    line-height: 1;
    z-index: 1;
    transition: transform .3s ease, opacity .3s ease;
}

.stat-card:hover .stat-card-icon {
    transform: scale(1.08) rotate(-3deg);
    color: rgba(99, 102, 241, 0.28);
}

.stat-card .stat-card-link {
    background: rgba(255, 255, 255, 0.65) !important;
    color: #334155 !important;
    border-top: 1px solid var(--app-border);
    backdrop-filter: blur(4px);
    padding: .55rem 1.25rem;
    font-size: .78rem;
    font-weight: 550;
    transition: background .15s ease;
}

.stat-card .stat-card-link:hover {
    background: #fff !important;
    color: var(--app-primary-deep) !important;
}

/* Palet kartu statistik: 4 varian pastel — indigo / rose / amber / mint */
.stat-card.stat-indigo { background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%); }
.stat-card.stat-rose   { background: linear-gradient(135deg, #ffe4e6 0%, #fecdd3 100%); }
.stat-card.stat-amber  { background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%); }
.stat-card.stat-mint   { background: linear-gradient(135deg, #ccfbf1 0%, #99f6e4 100%); }

/* Decorative blob di belakang ikon — kesan glass */
.stat-card::before {
    content: "";
    position: absolute;
    top: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.55) 0%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

.stat-card.stat-indigo .stat-card-icon { color: rgba(67, 56, 202, 0.28); }
.stat-card.stat-rose   .stat-card-icon { color: rgba(225, 29, 72, 0.25); }
.stat-card.stat-amber  .stat-card-icon { color: rgba(180, 83, 9, 0.28); }
.stat-card.stat-mint   .stat-card-icon { color: rgba(13, 148, 136, 0.28); }

/* -------------------------------------------------------------- sidebar
   Sidebar putih: statis di desktop, laci offcanvas di layar kecil. */
.app-layout {
    display: flex;
    align-items: flex-start;
    min-height: 100dvh;
}

.app-sidebar {
    width: 16rem;
    /* Lebar laci offcanvas di layar kecil (Bootstrap pakai token ini). */
    --bs-offcanvas-width: 16rem;
    flex: 0 0 16rem;
    background: var(--app-sidebar-bg) !important;
    /* Bootstrap mematikan border pada offcanvas-lg; pakai inset shadow. */
    box-shadow: inset -1px 0 0 var(--app-border);
    overflow-y: auto;
}

@media (min-width: 992px) {
    .app-sidebar {
        position: sticky;
        top: 0;
        align-self: flex-start;
        max-height: 100dvh;
    }
}

.app-column {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-width: 0;
    min-height: 100dvh;
}

.app-sidebar-brand {
    gap: .5rem;
    border-bottom: 1px solid var(--app-border);
    background: var(--app-gradient-surface);
    padding: .9rem 1rem;
}

.app-brand {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    margin-right: auto;
    color: var(--app-ink);
    font-weight: 700;
    letter-spacing: -.015em;
    text-decoration: none;
}

.app-brand .bi {
    font-size: 1.25rem;
    width: 2rem;
    height: 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--app-gradient-primary);
    color: #fff;
    border-radius: var(--app-radius-sm);
    box-shadow: 0 4px 12px -2px rgba(99, 102, 241, 0.40);
}

.app-sidebar-user {
    background: var(--app-sage);
    color: var(--app-muted);
    border-bottom: 1px solid var(--app-border);
    padding: .75rem 1rem;
}

.app-nav-group {
    color: var(--app-muted);
    font-size: .6875rem;
    letter-spacing: .12em;
    font-weight: 600;
    text-transform: uppercase;
    padding: 1rem 1rem .35rem;
}

.app-nav-link {
    color: var(--app-sidebar-fg);
    border-radius: var(--app-radius-sm);
    margin: .15rem .55rem;
    padding: .6rem .8rem;
    display: flex;
    align-items: center;
    gap: .65rem;
    font-size: .875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all .15s cubic-bezier(.4, 0, .2, 1);
    position: relative;
}

.app-nav-link:hover,
.app-nav-link:focus-visible {
    background: var(--app-sage);
    color: var(--app-primary-hover);
    transform: translateX(2px);
}

.app-nav-link.active {
    background: var(--app-sidebar-active-bg);
    color: var(--app-sidebar-active-fg);
    font-weight: 600;
    box-shadow: var(--app-shadow-xs);
}

.app-nav-link.active::before {
    content: "";
    position: absolute;
    left: -.55rem;
    top: 25%;
    bottom: 25%;
    width: 3px;
    background: var(--app-gradient-primary);
    border-radius: 0 3px 3px 0;
}

.app-nav-link.active .app-nav-icon {
    color: var(--app-primary);
}

.app-nav-icon {
    width: 1.15rem;
    text-align: center;
    font-size: 1rem;
    color: var(--app-sidebar-icon);
    transition: color .15s ease;
}

.app-nav-link:hover .app-nav-icon {
    color: var(--app-primary);
}

/* --------------------------------------------------------------- navbar
   Topbar frosted glass untuk kesan modern. */
.app-topbar {
    position: sticky;
    top: 0;
    z-index: 1020;
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .5rem .9rem;
    border-bottom: 1px solid var(--app-border);
    box-shadow: var(--app-shadow-sm);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
}

.app-topbar-link {
    color: var(--app-ink);
    border-radius: var(--app-radius-sm);
    transition: all .15s ease;
    padding: .45rem .65rem;
    text-decoration: none;
}

.app-topbar-link:hover,
.app-topbar-link:focus-visible {
    background: var(--app-sage);
    color: var(--app-primary-hover);
}

/* Nama pengguna di topbar: tetap terbaca di mobile, dipotong bila kepanjangan. */
.app-topbar-name {
    max-width: 60vw;
}

.app-sidebar-user > div {
    min-width: 0;
}

.app-topbar .dropdown-toggle::after {
    margin-left: .35rem;
}

.app-menu-toggle {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-sm);
    color: var(--app-ink);
    padding: .35rem .6rem;
}

.app-menu-toggle:hover {
    background: var(--app-sage);
    color: var(--app-primary-hover);
}

/* --------------------------------------------------------------- content */
.app-main {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
}

.app-page-header {
    padding-bottom: .5rem;
}

.app-footer {
    margin-top: auto;
    border-top: 1px solid var(--app-border);
    background: var(--app-gradient-surface);
    color: var(--app-muted);
    font-size: .8125rem;
    padding: .75rem 0;
}

/* ---------------------------------------------------------------- form */
.form-label {
    font-weight: 600;
    font-size: .8125rem;
    color: var(--app-ink);
    margin-bottom: .35rem;
    letter-spacing: -.005em;
}

.form-control,
.form-select {
    border-color: var(--app-border-strong);
    border-radius: var(--app-radius-sm);
    padding: .5rem .8rem;
    transition: all .15s cubic-bezier(.4, 0, .2, 1);
    background-color: #fff;
}

.form-control:hover,
.form-select:hover {
    border-color: #c4b5e0;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--app-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-text {
    font-size: .75rem;
    color: var(--app-muted);
}

.required-mark {
    color: #e11d48;
    margin-left: .15rem;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
    align-items: center;
    padding-top: 1.2rem;
    margin-top: 1.2rem;
    border-top: 1px solid var(--app-border);
}

/* ------------------------------------------------------- ringkasan angka */
.summary-chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: #fff;
    border: 1px solid var(--app-border);
    border-radius: 999px;
    padding: .3rem .8rem;
    font-size: .8125rem;
    color: var(--app-ink);
    box-shadow: var(--app-shadow-xs);
    transition: all .15s ease;
}

.summary-chip:hover {
    border-color: var(--app-border-strong);
    box-shadow: var(--app-shadow-sm);
}

.summary-chip strong {
    color: var(--app-primary-deep);
    font-weight: 700;
}

/* ------------------------------------------------------------------ toast */
.toast-container {
    z-index: 1085;
}

.toast {
    --bs-toast-border-radius: var(--app-radius-md);
    box-shadow: var(--app-shadow-lg);
    border: 1px solid var(--app-border);
    backdrop-filter: blur(12px);
}

/* ==========================================================================
   DataTables (Bootstrap 5 integration)
   ========================================================================== */
.dt-container {
    font-size: .875rem;
}

.dt-container .dt-layout-start,
.dt-container .dt-layout-end,
.dt-container .dt-layout-full {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .55rem;
    margin: .4rem 0;
}

.dt-container .dt-info {
    color: var(--app-ink);
    font-size: .8125rem;
}

.dt-container .dt-search label,
.dt-container .dt-length label {
    color: var(--app-ink);
    font-size: .8125rem;
    font-weight: 600;
    margin-bottom: 0;
}

.dt-container .dt-search input,
.dt-container .dt-length select {
    border-radius: var(--app-radius-sm);
    border-color: var(--app-border-strong);
    padding: .35rem .7rem;
    transition: all .15s ease;
}

.dt-container .dt-search input:focus,
.dt-container .dt-length select:focus {
    border-color: var(--app-primary);
    box-shadow: var(--app-ring);
    outline: none;
}

.dt-container table.dataTable > thead > tr > th {
    cursor: pointer;
    transition: background .15s ease;
}

.dt-container table.dataTable > thead > tr > th:hover {
    background: var(--app-primary-soft);
}

.dt-container table.dataTable > thead > tr > th.no-sort {
    cursor: default;
    color: var(--app-ink);
}

.dt-container table.dataTable > thead > tr > th.no-sort:hover {
    background: var(--app-gradient-surface);
}

.dt-container .pagination {
    --bs-pagination-color: var(--app-primary-hover);
    --bs-pagination-hover-color: var(--app-primary-deep);
    --bs-pagination-hover-bg: var(--app-primary-soft);
    --bs-pagination-hover-border-color: var(--app-primary);
    --bs-pagination-active-bg: var(--app-primary);
    --bs-pagination-active-border-color: var(--app-primary);
    --bs-pagination-focus-box-shadow: var(--app-ring);
    --bs-pagination-border-radius-sm: var(--app-radius-xs);
    margin: 0;
    gap: .25rem;
}

.dt-container .pagination .page-link {
    transition: all .15s ease;
    border-radius: var(--app-radius-xs) !important;
    border-color: var(--app-border);
    padding: .4rem .7rem;
}

.dt-container .pagination .page-link:hover {
    transform: translateY(-1px);
}

:root {
    --dtr-control-triangle_color: var(--app-primary);
    --dtr-control-triangle_size: 6px;
    --dtr-details-list_padding: .4rem 0 .4rem 1rem;
    --dtr-details-list_gap: .4rem;
}

/* ==========================================================================
   Mobile
   ========================================================================== */
@media (max-width: 767.98px) {
    .filter-bar {
        width: 100%;
    }

    .card-header .card-tools,
    .card-header .card-actions {
        width: 100%;
        margin-left: 0;
    }

    .filter-bar .form-control,
    .filter-bar .form-select,
    .filter-bar .btn {
        width: 100%;
        min-width: 0;
    }

    .app-page-header .btn {
        width: 100%;
    }

    .form-actions {
        position: sticky;
        bottom: 0;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(8px);
        margin-inline: -1.25rem;
        padding: .95rem 1.25rem;
        z-index: 5;
        box-shadow: 0 -4px 12px rgba(99, 102, 241, 0.06);
    }

    .form-actions .btn {
        flex: 1 1 auto;
    }

    .dt-container .dt-layout-start,
    .dt-container .dt-layout-end {
        width: 100%;
        margin: .25rem 0;
    }

    .dt-container .dt-layout-start > *,
    .dt-container .dt-layout-end > * {
        width: 100%;
    }

    .dt-container .dt-search,
    .dt-container .dt-search input,
    .dt-container .dt-length select {
        width: 100%;
    }

    div.dt-container div.dt-length,
    div.dt-container div.dt-search,
    div.dt-container div.dt-info {
        text-align: start;
    }

    .dt-container .dt-paging .page-link.first,
    .dt-container .dt-paging .page-link.last {
        display: none;
    }

    .dt-container .dt-paging .page-link {
        padding: .3rem .6rem;
        font-size: .8125rem;
    }

    .truncate-cell {
        max-width: 100%;
        white-space: normal !important;
    }

    /* Disable hover lift on touch devices to avoid sticky states */
    .card:hover,
    .stat-card:hover,
    .btn:hover {
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }

    .card:hover,
    .stat-card:hover,
    .btn:hover {
        transform: none !important;
    }
}

/* --------------------------------------------------------- cetak / print */
@media print {
    .app-topbar, .app-sidebar, .app-footer, .btn, .filter-bar,
    .dt-container .dt-layout-start, .dt-container .dt-layout-end {
        display: none !important;
    }

    body {
        background: #fff !important;
        background-image: none !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #ccc;
    }

    .card::before { display: none !important; }
}