/* =====================================================================
   DESIGN SYSTEM — "REGISTRI" THEME
   Terinspirasi ruang arsip/registrasi resmi: kertas, tinta, cap stempel,
   dan kode katalog — sesuai konteks Document Control System.
   ===================================================================== */

:root {
  --ink:          #1B2A4A;  /* navy tinta - brand, heading, tombol utama */
  --ink-dark:     #121D33;
  --ink-soft:     #57627A;  /* teks sekunder */
  --paper:        #F6F3EA;  /* latar halaman - kertas hangat */
  --surface:      #FFFFFF;  /* permukaan kartu/tabel */
  --rule:         #DCD3BE;  /* garis pemisah tipis */
  --rule-soft:    #EAE3D2;
  --text:         #262A2E;
  --brass:        #A9793F;  /* aksen kuningan - hover, highlight */
  --brass-soft:   #F1E7D3;
  --stamp-red:    #8C3527;  /* status kedaluwarsa/bahaya */
  --stamp-red-bg: #F7E9E6;
  --ledger-green: #3C6E52;  /* status aktif */
  --ledger-green-bg: #E7EFE9;
  --amber:        #99711F;  /* status peringatan */
  --amber-bg:     #F5EBD6;

  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-sans:  'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:  'IBM Plex Mono', 'Courier New', monospace;

  --radius-sm: 4px;
  --radius-md: 6px;
}

* { box-sizing: border-box; }

/* Selaraskan variabel warna Bootstrap bawaan dengan tema Registri */
:root {
  --bs-primary: #1B2A4A;
  --bs-primary-rgb: 27, 42, 74;
  --bs-body-font-family: var(--font-sans);
  --bs-border-color: #DCD3BE;
  --bs-link-color: #1B2A4A;
  --bs-link-hover-color: #A9793F;
  --bs-body-color: #262A2E;
}

html, body {
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
}

h1, h2, h3, h4, h5, .app-brand-text, .stat-figure {
  font-family: var(--font-serif);
  color: var(--ink);
  letter-spacing: -0.01em;
}

h3 { font-weight: 600; font-size: 1.5rem; margin-bottom: 1rem; }

a { color: var(--ink); }
a:hover { color: var(--brass); }

code, .doc-code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  letter-spacing: 0.01em;
  color: var(--ink);
  background: none;
}

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

/* ---------------------------------------------------------------------
   LETTERHEAD (top bar)
   --------------------------------------------------------------------- */
.app-letterhead {
  background: var(--surface);
  border-bottom: 3px double var(--ink);
  padding: 0.85rem 1.5rem;
}
.app-letterhead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1600px;
  margin: 0 auto;
}
.app-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.app-brand-mark { color: var(--ink); display: flex; }
.app-brand-text {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
}
.app-user { display: flex; align-items: center; gap: 0.9rem; }
.app-user-info { text-align: right; line-height: 1.25; }
.app-user-name { display: block; font-weight: 600; font-size: 0.92rem; color: var(--text); }
.app-user-meta { display: block; font-size: 0.78rem; color: var(--ink-soft); }
.btn-signout {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  text-decoration: none;
  transition: border-color .15s, color .15s;
}
.btn-signout:hover { color: var(--stamp-red); border-color: var(--stamp-red); }

/* ---------------------------------------------------------------------
   MOBILE NAV (shown below letterhead on small screens)
   --------------------------------------------------------------------- */
.app-mobile-nav {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding: 0.6rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
}
.app-mobile-nav a {
  flex: 0 0 auto;
  padding: 0.4rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 20px;
  text-decoration: none;
  white-space: nowrap;
}
.app-mobile-nav a.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------------------------------------------------------------------
   SIDEBAR — index tab style
   --------------------------------------------------------------------- */
.app-shell { max-width: 1600px; margin: 0 auto; }
.app-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--rule);
  min-height: calc(100vh - 68px);
  padding: 1.5rem 0;
}
.app-nav { list-style: none; margin: 0; padding: 0; }
.app-nav-divider {
  margin: 1.25rem 0 0.5rem 1.5rem;
  font-size: 0.76rem;
  color: var(--ink-soft);
  font-weight: 500;
}
.app-nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1.5rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: background .12s, border-color .12s;
}
.app-nav-link i { font-size: 1rem; color: var(--ink-soft); width: 1.1em; }
.app-nav-link:hover { background: var(--paper); color: var(--ink); }
.app-nav-link.is-active {
  background: var(--brass-soft);
  border-left-color: var(--brass);
  color: var(--ink);
  font-weight: 600;
}
.app-nav-link.is-active i { color: var(--brass); }

.app-main { padding: 1.75rem 2rem 3rem; }

/* ---------------------------------------------------------------------
   CARDS
   --------------------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  box-shadow: none;
}
.card-header {
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
  font-weight: 600;
  color: var(--ink);
  padding: 0.75rem 1.1rem;
}
.card-body { padding: 1.1rem; }

/* Kartu statistik dashboard — bentuk "tab folder" */
.stat-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--stat-color, var(--ink));
  border-radius: 2px var(--radius-md) 0 0;
  padding: 1.1rem 1.25rem;
  height: 100%;
}
.stat-figure { font-size: 2.1rem; font-weight: 600; line-height: 1; color: var(--stat-color, var(--ink)); }
.stat-label { margin-top: 0.4rem; font-size: 0.85rem; color: var(--ink-soft); font-weight: 500; }

/* ---------------------------------------------------------------------
   TABLES — nuansa buku besar (ledger)
   --------------------------------------------------------------------- */
.table { color: var(--text); margin-bottom: 0; }
.table thead th {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--ink);
  background: transparent;
  padding: 0.65rem 0.85rem;
}
.table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: middle;
}
.table-hover tbody tr:hover { background: var(--paper); }
.table-sm td, .table-sm th { padding: 0.55rem 0.75rem; }

/* ---------------------------------------------------------------------
   BADGES — gaya cap stempel dokumen
   --------------------------------------------------------------------- */
.badge { font-weight: 600; border-radius: var(--radius-sm); }

.stamp {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.22rem 0.55rem;
  border: 1.5px solid currentColor;
  border-radius: 3px;
  background: transparent;
  white-space: nowrap;
}
.stamp-active   { color: var(--ledger-green); }
.stamp-expired  { color: var(--stamp-red); }
.stamp-archived { color: var(--ink-soft); }
.stamp-warning  { color: var(--amber); }

.badge-ocr {
  display: inline-flex; align-items: center; gap: 0.25rem;
  font-size: 0.7rem; font-weight: 500;
  color: var(--brass); background: var(--brass-soft);
  padding: 0.15rem 0.45rem; border-radius: 3px;
}

/* ---------------------------------------------------------------------
   BUTTONS
   --------------------------------------------------------------------- */
.btn { border-radius: var(--radius-sm); font-weight: 500; font-size: 0.9rem; padding: 0.5rem 1.05rem; }

.btn-primary {
  background: var(--ink); border-color: var(--ink);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--ink-dark); border-color: var(--ink-dark);
}

.btn-outline-secondary {
  color: var(--ink-soft); border-color: var(--rule);
}
.btn-outline-secondary:hover {
  background: var(--paper); color: var(--ink); border-color: var(--ink-soft);
}

.btn-outline-primary { color: var(--ink); border-color: var(--ink); }
.btn-outline-primary:hover { background: var(--ink); border-color: var(--ink); }

.btn-outline-danger { color: var(--stamp-red); border-color: var(--stamp-red); }
.btn-outline-danger:hover { background: var(--stamp-red); border-color: var(--stamp-red); }

.btn-outline-warning { color: var(--amber); border-color: var(--amber); }
.btn-outline-warning:hover { background: var(--amber); border-color: var(--amber); color: #fff; }

/* ---------------------------------------------------------------------
   FORMS
   --------------------------------------------------------------------- */
.form-label { font-weight: 500; font-size: 0.88rem; color: var(--text); margin-bottom: 0.35rem; }
.form-control, .form-select {
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  padding: 0.55rem 0.75rem;
  background: var(--surface);
}
.form-control:focus, .form-select:focus {
  border-color: var(--brass);
  box-shadow: 0 0 0 3px var(--brass-soft);
}

/* ---------------------------------------------------------------------
   ALERTS — garis aksen kiri, bukan blok warna penuh
   --------------------------------------------------------------------- */
.alert {
  border: 1px solid var(--rule);
  border-left: 4px solid var(--ink-soft);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 0.92rem;
}
.alert-danger  { border-left-color: var(--stamp-red); color: var(--stamp-red); background: var(--stamp-red-bg); }
.alert-success { border-left-color: var(--ledger-green); color: var(--ledger-green); background: var(--ledger-green-bg); }
.alert-warning { border-left-color: var(--amber); color: var(--amber); background: var(--amber-bg); }

/* ---------------------------------------------------------------------
   PROGRESS (dipakai di Cari dari Foto)
   --------------------------------------------------------------------- */
.progress { background: var(--rule-soft); border-radius: 20px; }
.progress-bar { background: var(--ledger-green) !important; font-size: 0.72rem; font-weight: 600; }

/* ---------------------------------------------------------------------
   MODAL
   --------------------------------------------------------------------- */
.modal-content { border-radius: var(--radius-md); border: 1px solid var(--rule); }
.modal-header, .modal-footer { border-color: var(--rule); }

/* ---------------------------------------------------------------------
   LOGIN PAGE
   --------------------------------------------------------------------- */
.login-shell {
  min-height: 100vh;
  display: flex;
}
.login-hero {
  flex: 1.1;
  background: var(--ink);
  color: #EFE9DA;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem;
  position: relative;
  overflow: hidden;
}
.login-hero-mark { color: var(--brass); margin-bottom: 1.75rem; }
.login-hero h1 {
  font-family: var(--font-serif);
  color: #fff;
  font-size: 2.3rem;
  font-weight: 600;
  line-height: 1.25;
  max-width: 430px;
  margin-bottom: 0.9rem;
}
.login-hero p { color: #C7BFA9; max-width: 380px; font-size: 0.98rem; line-height: 1.6; }
.login-hero-tags { margin-top: 2.5rem; display: flex; gap: 0.6rem; flex-wrap: wrap; }
.login-hero-tags span {
  font-size: 0.76rem; font-weight: 500; color: #C7BFA9;
  border: 1px solid #3A4A6B; padding: 0.3rem 0.65rem; border-radius: 20px;
}
.login-panel {
  flex: 0.85;
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
}
.login-card h2 { font-size: 1.3rem; font-weight: 600; margin-bottom: 0.3rem; }
.login-card .sub { color: var(--ink-soft); font-size: 0.88rem; margin-bottom: 1.5rem; }

@media (max-width: 900px) {
  .login-hero { display: none; }
  .login-panel { flex: 1; }
}

/* ---------------------------------------------------------------------
   RESPONSIVE
   --------------------------------------------------------------------- */
@media (max-width: 767px) {
  .app-main { padding: 1.25rem 1rem 2.5rem; }
  .app-letterhead { padding: 0.7rem 1rem; }
}

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