/* =====================================================================
   e-BPHTB Kabupaten Buton — Design System
   Layer di atas Bootstrap 5.3. Token warna/ruang diatur lewat variabel CSS
   agar penyesuaian merek tidak perlu menyentuh file layout.
   ===================================================================== */

:root {
  /* Warna merek */
  --app-primary: #0b4a8f;
  --app-primary-600: #093d76;
  --app-primary-300: #7fb2e0;
  --app-primary-50: #eef5fc;
  --app-accent: #c8951c;      /* emas — untuk nominal rupiah */
  --app-success: #17795e;
  --app-warning: #b5711a;
  --app-danger: #b3382f;
  --app-info: #0d6d8f;

  /* Permukaan */
  --app-bg: #f4f6fa;
  --app-surface: #ffffff;
  --app-surface-2: #f8fafc;
  --app-border: #e3e8ef;
  --app-text: #16202e;
  --app-text-muted: #67748b;

  /* Struktur */
  --app-sidebar-w: 264px;
  --app-sidebar-w-collapsed: 76px;
  --app-topbar-h: 64px;
  --app-radius: 14px;
  --app-radius-sm: 9px;

  /* Bayangan */
  --app-shadow-1: 0 1px 2px rgba(16, 32, 54, .05), 0 1px 3px rgba(16, 32, 54, .06);
  --app-shadow-2: 0 8px 24px -8px rgba(16, 32, 54, .18);
  --app-shadow-3: 0 18px 46px -18px rgba(16, 32, 54, .35);

  --app-font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  color-scheme: light;
}

[data-bs-theme="dark"] {
  --app-primary: #6aa9ff;
  --app-primary-600: #4b8ee8;
  --app-primary-300: #2c5f9e;
  --app-primary-50: #10243c;
  --app-accent: #e6bb54;
  --app-success: #48c39c;
  --app-warning: #e5a957;
  --app-danger: #f0776c;
  --app-info: #59bde0;

  --app-bg: #0d131c;
  --app-surface: #151d29;
  --app-surface-2: #1b2532;
  --app-border: #26313f;
  --app-text: #e7ecf3;
  --app-text-muted: #93a1b5;

  --app-shadow-1: 0 1px 2px rgba(0, 0, 0, .4);
  --app-shadow-2: 0 8px 24px -8px rgba(0, 0, 0, .55);
  --app-shadow-3: 0 18px 46px -18px rgba(0, 0, 0, .7);

  color-scheme: dark;
}

/* ---------------------------------------------------------------- Base */
* { -webkit-tap-highlight-color: transparent; }

html { height: 100%; }

body {
  min-height: 100%;
  font-family: var(--app-font);
  font-size: .925rem;
  line-height: 1.5;
  background: var(--app-bg);
  color: var(--app-text);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--app-primary); text-decoration: none; }
a:hover { color: var(--app-primary-600); }

h1, h2, h3, h4, h5, h6 { font-weight: 650; letter-spacing: -.015em; }

.num { font-variant-numeric: tabular-nums; }
.rupiah { font-variant-numeric: tabular-nums; font-weight: 650; color: var(--app-accent); }
.text-muted-app { color: var(--app-text-muted) !important; }

/* ------------------------------------------------------------- Shell */
.app-shell { display: flex; min-height: 100vh; }

/* Sidebar */
.app-sidebar {
  width: var(--app-sidebar-w);
  flex: 0 0 var(--app-sidebar-w);
  background: var(--app-surface);
  border-right: 1px solid var(--app-border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  transition: width .2s ease, flex-basis .2s ease, transform .25s ease;
  scrollbar-width: thin;
  z-index: 1040;
}

.app-sidebar .brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  height: var(--app-topbar-h);
  padding: 0 1.1rem;
  border-bottom: 1px solid var(--app-border);
  color: var(--app-text);
  white-space: nowrap;
}
.app-sidebar .brand .mark {
  width: 34px; height: 34px; flex: 0 0 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--app-primary), var(--app-primary-600));
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: .82rem; letter-spacing: .02em;
}
.app-sidebar .brand .title { font-weight: 700; font-size: .95rem; line-height: 1.15; }
.app-sidebar .brand .sub { font-size: .68rem; color: var(--app-text-muted); font-weight: 500; }

.nav-section {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--app-text-muted);
  padding: 1.15rem 1.15rem .4rem;
}

.app-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 .6rem 1.4rem; }

.app-nav .nav-link {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .56rem .7rem;
  border-radius: var(--app-radius-sm);
  color: var(--app-text);
  font-size: .875rem;
  font-weight: 500;
  transition: background .13s ease, color .13s ease;
}
.app-nav .nav-link i { font-size: 1.02rem; color: var(--app-text-muted); transition: color .13s ease; }
.app-nav .nav-link:hover { background: var(--app-surface-2); color: var(--app-text); }
.app-nav .nav-link:hover i { color: var(--app-primary); }
.app-nav .nav-link.active {
  background: var(--app-primary-50);
  color: var(--app-primary);
  font-weight: 650;
}
.app-nav .nav-link.active i { color: var(--app-primary); }
.app-nav .nav-link .badge { margin-left: auto; }

.app-nav .group-label {
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; user-select: none;
}
.app-nav .group-label .chev { transition: transform .18s ease; font-size: .8rem; }
.app-nav .group-label[aria-expanded="true"] .chev { transform: rotate(90deg); }
.app-nav .sub-menu { padding-left: .35rem; }
.app-nav .sub-menu .nav-link { padding-left: 2.2rem; font-size: .85rem; }

/* Topbar */
.app-main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }

.app-topbar {
  position: sticky; top: 0; z-index: 1030;
  height: var(--app-topbar-h);
  display: flex; align-items: center; gap: .75rem;
  padding: 0 1.15rem;
  background: color-mix(in srgb, var(--app-surface) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--app-border);
}

.app-topbar .crumbs { font-size: .84rem; color: var(--app-text-muted); }
.app-topbar .crumbs b { color: var(--app-text); font-weight: 600; }

.icon-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--app-text-muted);
  font-size: 1.05rem;
  transition: background .13s ease, color .13s ease, border-color .13s ease;
}
.icon-btn:hover { background: var(--app-surface-2); color: var(--app-text); border-color: var(--app-border); }

.app-content { padding: 1.35rem 1.35rem 2.5rem; flex: 1 1 auto; }

/* ------------------------------------------------------------- Cards */
.card {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  box-shadow: var(--app-shadow-1);
}
.card > .card-header {
  background: transparent;
  border-bottom: 1px solid var(--app-border);
  padding: .95rem 1.15rem;
  font-weight: 650;
  font-size: .95rem;
}
.card > .card-body { padding: 1.15rem; }
.card > .card-footer { background: var(--app-surface-2); border-top: 1px solid var(--app-border); }

.page-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; }
.page-head h1 { font-size: 1.32rem; margin: 0; }
.page-head .lead-line { color: var(--app-text-muted); font-size: .875rem; margin: .22rem 0 0; }

/* KPI */
.kpi {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  padding: 1rem 1.05rem;
  box-shadow: var(--app-shadow-1);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.kpi::after {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px;
  background: var(--kpi-accent, var(--app-primary));
}
.kpi .kpi-label { font-size: .76rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--app-text-muted); }
.kpi .kpi-value { font-size: 1.55rem; font-weight: 700; letter-spacing: -.02em; margin-top: .28rem; font-variant-numeric: tabular-nums; }
.kpi .kpi-note { font-size: .76rem; color: var(--app-text-muted); margin-top: .18rem; }

/* ----------------------------------------------------------- Buttons */
.btn { border-radius: 10px; font-weight: 600; font-size: .875rem; padding: .5rem .95rem; }
.btn-primary {
  --bs-btn-bg: var(--app-primary); --bs-btn-border-color: var(--app-primary);
  --bs-btn-hover-bg: var(--app-primary-600); --bs-btn-hover-border-color: var(--app-primary-600);
  --bs-btn-active-bg: var(--app-primary-600); --bs-btn-active-border-color: var(--app-primary-600);
  --bs-btn-disabled-bg: var(--app-primary); --bs-btn-disabled-border-color: var(--app-primary);
}
.btn-outline-secondary {
  --bs-btn-color: var(--app-text-muted); --bs-btn-border-color: var(--app-border);
  --bs-btn-hover-bg: var(--app-surface-2); --bs-btn-hover-border-color: var(--app-border);
  --bs-btn-hover-color: var(--app-text);
}
.btn-success { --bs-btn-bg: var(--app-success); --bs-btn-border-color: var(--app-success); --bs-btn-hover-bg: color-mix(in srgb, var(--app-success) 85%, #000); --bs-btn-hover-border-color: color-mix(in srgb, var(--app-success) 85%, #000); }
.btn-danger  { --bs-btn-bg: var(--app-danger);  --bs-btn-border-color: var(--app-danger);  --bs-btn-hover-bg: color-mix(in srgb, var(--app-danger) 85%, #000); --bs-btn-hover-border-color: color-mix(in srgb, var(--app-danger) 85%, #000); }

/* ------------------------------------------------------------ Forms */
.form-label { font-size: .8rem; font-weight: 600; color: var(--app-text-muted); margin-bottom: .34rem; }
.form-label .req { color: var(--app-danger); }
.form-control, .form-select {
  border-radius: 10px;
  border-color: var(--app-border);
  background-color: var(--app-surface);
  color: var(--app-text);
  font-size: .895rem;
  min-height: 40px;
}
.form-control:focus, .form-select:focus {
  border-color: var(--app-primary);
  box-shadow: 0 0 0 .18rem color-mix(in srgb, var(--app-primary) 18%, transparent);
  background-color: var(--app-surface);
}
.form-control::placeholder { color: color-mix(in srgb, var(--app-text-muted) 75%, transparent); }
.form-control[readonly] { background: var(--app-surface-2); }
.form-text { font-size: .76rem; color: var(--app-text-muted); }
.input-group-text { border-color: var(--app-border); background: var(--app-surface-2); color: var(--app-text-muted); border-radius: 10px; font-size: .86rem; }
.field-error { color: var(--app-danger); font-size: .76rem; margin-top: .3rem; display: none; }
.is-invalid ~ .field-error { display: block; }

fieldset.fieldset {
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  padding: 1.05rem 1.15rem 1.15rem;
  margin: 0 0 1.15rem;
  background: var(--app-surface);
}
fieldset.fieldset > legend {
  font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--app-primary); padding: 0 .45rem; width: auto;
}

/* ------------------------------------------------------- Stepper */
.stepper {
  display: flex; gap: .4rem; flex-wrap: wrap;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  padding: .65rem .8rem;
  margin-bottom: 1.15rem;
}
.stepper .step {
  display: flex; align-items: center; gap: .55rem;
  padding: .4rem .75rem .4rem .45rem;
  border-radius: 999px;
  font-size: .83rem; font-weight: 600;
  color: var(--app-text-muted);
  background: transparent;
  border: none;
  flex: 1 1 auto;
  min-width: 150px;
}
.stepper .step .n {
  width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--app-surface-2);
  border: 1px solid var(--app-border);
  font-size: .78rem;
}
.stepper .step.active { color: var(--app-primary); background: var(--app-primary-50); }
.stepper .step.active .n { background: var(--app-primary); border-color: var(--app-primary); color: #fff; }
.stepper .step.done { color: var(--app-success); }
.stepper .step.done .n { background: var(--app-success); border-color: var(--app-success); color: #fff; }

/* --------------------------------------------------------- Summary */
.summary-box {
  position: sticky; top: calc(var(--app-topbar-h) + 1rem);
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  box-shadow: var(--app-shadow-2);
  overflow: hidden;
}
.summary-box .head {
  padding: .8rem 1.05rem;
  background: linear-gradient(135deg, var(--app-primary), var(--app-primary-600));
  color: #fff; font-weight: 650; font-size: .88rem;
}
.summary-box .row-line {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .55rem 1.05rem;
  font-size: .86rem;
  border-bottom: 1px dashed var(--app-border);
}
.summary-box .row-line:last-child { border-bottom: none; }
.summary-box .row-line .v { font-variant-numeric: tabular-nums; font-weight: 600; }
.summary-box .total {
  background: var(--app-surface-2);
  padding: .8rem 1.05rem;
  display: flex; justify-content: space-between; align-items: center;
}
.summary-box .total .v { font-size: 1.32rem; font-weight: 750; color: var(--app-accent); font-variant-numeric: tabular-nums; }

/* ----------------------------------------------------------- Tables */
.table { --bs-table-bg: transparent; margin-bottom: 0; }
.table thead th {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .055em;
  text-transform: uppercase;
  color: var(--app-text-muted);
  background: var(--app-surface-2);
  border-bottom: 1px solid var(--app-border);
  padding: .7rem .8rem;
  white-space: nowrap;
}
.table tbody td { padding: .72rem .8rem; border-color: var(--app-border); vertical-align: middle; font-size: .87rem; }
.table-hover tbody tr:hover { background: var(--app-surface-2); }

.table-responsive-wrap { border: 1px solid var(--app-border); border-radius: var(--app-radius); overflow: hidden; background: var(--app-surface); }

.table-toolbar {
  display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; justify-content: space-between;
  padding: .75rem .85rem;
  border-bottom: 1px solid var(--app-border);
  background: var(--app-surface);
}
.table-toolbar .search { max-width: 280px; }
.table-toolbar .form-control { min-height: 36px; }

.table tfoot td { background: var(--app-surface-2); font-weight: 650; border-top: 1px solid var(--app-border); }

/* ----------------------------------------------------------- Badges */
.badge { font-weight: 650; font-size: .7rem; letter-spacing: .03em; padding: .38em .7em; border-radius: 7px; }
.badge-soft-primary { background: color-mix(in srgb, var(--app-primary) 14%, transparent); color: var(--app-primary); }
.badge-soft-success { background: color-mix(in srgb, var(--app-success) 15%, transparent); color: var(--app-success); }
.badge-soft-warning { background: color-mix(in srgb, var(--app-warning) 18%, transparent); color: var(--app-warning); }
.badge-soft-danger  { background: color-mix(in srgb, var(--app-danger) 14%, transparent); color: var(--app-danger); }
.badge-soft-info    { background: color-mix(in srgb, var(--app-info) 14%, transparent); color: var(--app-info); }
.badge-soft-muted   { background: color-mix(in srgb, var(--app-text-muted) 14%, transparent); color: var(--app-text-muted); }

/* ---------------------------------------------------------- Timeline */
.timeline { position: relative; padding-left: 1.5rem; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--app-border); }
.timeline .tl-item { position: relative; padding-bottom: 1.05rem; }
.timeline .tl-item::before {
  content: ""; position: absolute; left: -1.5rem; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--app-surface); border: 3px solid var(--app-primary);
}
.timeline .tl-item.done::before { border-color: var(--app-success); background: var(--app-success); }
.timeline .tl-item.pending::before { border-color: var(--app-border); }
.timeline .tl-title { font-weight: 600; font-size: .87rem; }
.timeline .tl-meta { font-size: .76rem; color: var(--app-text-muted); }

/* --------------------------------------------------------- Dropzone */
.dropzone {
  border: 1.6px dashed var(--app-border);
  border-radius: var(--app-radius);
  padding: 1.4rem 1rem;
  text-align: center;
  background: var(--app-surface-2);
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--app-primary); background: var(--app-primary-50); }
.dropzone i { font-size: 1.6rem; color: var(--app-primary); }
.dropzone .hint { font-size: .76rem; color: var(--app-text-muted); }

.doc-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .62rem .7rem;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-sm);
  background: var(--app-surface);
  margin-bottom: .5rem;
}
.doc-item .ico { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; background: var(--app-surface-2); color: var(--app-primary); }
.doc-item .nm { font-size: .85rem; font-weight: 600; }
.doc-item .mt { font-size: .74rem; color: var(--app-text-muted); }

/* ----------------------------------------------------------- Empty */
.empty-state {
  text-align: center;
  padding: 2.6rem 1rem;
  color: var(--app-text-muted);
}
.empty-state i { font-size: 2.4rem; opacity: .55; }
.empty-state h6 { color: var(--app-text); margin: .7rem 0 .3rem; font-weight: 650; }
.empty-state p { font-size: .85rem; max-width: 460px; margin: 0 auto .9rem; }

/* --------------------------------------------------------- Skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--app-surface-2) 25%, var(--app-border) 37%, var(--app-surface-2) 63%);
  background-size: 400% 100%;
  animation: sk 1.3s ease infinite;
  border-radius: 6px;
}
@keyframes sk { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* ----------------------------------------------------------- Toast */
.app-toast { position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: 2000; display: flex; flex-direction: column; gap: .55rem; }
.toast-app {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-left: 4px solid var(--app-primary);
  border-radius: 10px;
  box-shadow: var(--app-shadow-3);
  padding: .7rem .95rem;
  min-width: 260px; max-width: 380px;
  font-size: .855rem;
  animation: slideUp .22s ease;
}
.toast-app.ok { border-left-color: var(--app-success); }
.toast-app.err { border-left-color: var(--app-danger); }
@keyframes slideUp { from { transform: translateY(14px); opacity: 0; } to { transform: none; opacity: 1; } }

/* --------------------------------------------------- Auth pages */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
}
.auth-hero {
  background:
    radial-gradient(1000px 520px at 12% 8%, rgba(255,255,255,.16), transparent 60%),
    linear-gradient(150deg, var(--app-primary) 0%, #062a54 62%, #04203f 100%);
  color: #fff;
  padding: 3rem clamp(1.5rem, 5vw, 4rem);
  display: flex; flex-direction: column; justify-content: space-between;
}
.auth-hero .logo { display: flex; align-items: center; gap: .8rem; font-weight: 700; }
.auth-hero .logo .mark { width: 42px; height: 42px; border-radius: 12px; background: rgba(255,255,255,.16); display: grid; place-items: center; border: 1px solid rgba(255,255,255,.28); }
.auth-hero h1 { font-size: clamp(1.6rem, 3vw, 2.35rem); line-height: 1.18; margin: 1.4rem 0 .7rem; letter-spacing: -.02em; }
.auth-hero p { color: rgba(255,255,255,.78); max-width: 44ch; font-size: .95rem; }
.auth-hero .feats { display: grid; gap: .6rem; margin-top: 1.6rem; }
.auth-hero .feat { display: flex; gap: .65rem; align-items: flex-start; font-size: .87rem; color: rgba(255,255,255,.88); }
.auth-hero .feat i { color: #ffd88a; }
.auth-hero .fine { font-size: .76rem; color: rgba(255,255,255,.55); }

.auth-panel { display: grid; place-items: center; padding: clamp(1.5rem, 5vw, 3.5rem); background: var(--app-bg); }
.auth-card { width: min(430px, 100%); }
.auth-card h2 { font-size: 1.42rem; margin-bottom: .3rem; }
.auth-card .sub { color: var(--app-text-muted); font-size: .875rem; margin-bottom: 1.5rem; }

/* --------------------------------------------------------- Print */
.print-only { display: none; }

@media print {
  body { background: #fff; }
  .app-sidebar, .app-topbar, .no-print, .btn, .app-toast { display: none !important; }
  .app-content { padding: 0; }
  .card { border: none; box-shadow: none; }
}

/* ------------------------------------------------------- Responsive */
@media (max-width: 991.98px) {
  .app-sidebar {
    position: fixed; left: 0; top: 0;
    transform: translateX(-100%);
    box-shadow: var(--app-shadow-3);
  }
  .app-sidebar.show { transform: none; }
  .app-backdrop {
    position: fixed; inset: 0; background: rgba(6, 14, 26, .5);
    z-index: 1035; display: none;
  }
  .app-backdrop.show { display: block; }
  .app-content { padding: 1rem .9rem 2rem; }
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-hero { display: none; }
  .summary-box { position: static; }

  /* Tabel menjadi kartu di layar kecil */
  .table-responsive-cards thead { display: none; }
  .table-responsive-cards tbody tr {
    display: block;
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-sm);
    margin-bottom: .6rem;
    padding: .45rem .6rem;
    background: var(--app-surface);
  }
  .table-responsive-cards tbody td {
    display: flex; justify-content: space-between; gap: 1rem;
    border: none; border-bottom: 1px dashed var(--app-border);
    padding: .42rem .1rem; text-align: right;
  }
  .table-responsive-cards tbody td:last-child { border-bottom: none; }
  .table-responsive-cards tbody td::before {
    content: attr(data-label);
    font-size: .72rem; font-weight: 700; letter-spacing: .05em;
    text-transform: uppercase; color: var(--app-text-muted);
    text-align: left; flex: 0 0 auto;
  }
}

@media (min-width: 992px) {
  body.sidebar-collapsed .app-sidebar { width: var(--app-sidebar-w-collapsed); flex-basis: var(--app-sidebar-w-collapsed); }
  body.sidebar-collapsed .app-sidebar .brand .txt,
  body.sidebar-collapsed .nav-section,
  body.sidebar-collapsed .app-nav .nav-link span,
  body.sidebar-collapsed .app-nav .group-label .chev { display: none; }
  body.sidebar-collapsed .app-nav .nav-link { justify-content: center; padding: .6rem; }
  body.sidebar-collapsed .app-nav .sub-menu { display: none !important; }
}