/* ==============================================================
   NORVAS 2.0 — Design tokens & global styles
   Dark "regulator" theme, evolved from the legacy NISPHFA palette.
   ============================================================== */

:root {
  /* Brand */
  --norvas-blue:        #1a6fdb;
  --norvas-blue-dark:   #1259b8;
  --norvas-blue-light:  #4d9bf5;
  --norvas-blue-glow:   rgba(26, 111, 219, .18);
  --norvas-teal:        #17b892;   /* new accent — success / verified */
  --norvas-amber:       #e8a23d;   /* new accent — pending / attention */
  --norvas-rose:        #e2506b;   /* new accent — rejected / danger */

  /* Surfaces */
  --surface-0: #0a121c;   /* page background */
  --surface-1: #0f1923;   /* base panel */
  --surface-2: #131f2e;   /* card */
  --surface-3: #182740;   /* elevated / hover */
  --surface-4: #1e3050;   /* active / selected */
  --border-soft: rgba(255,255,255,.06);
  --border-brand: rgba(26,111,219,.28);

  /* Text */
  --text-primary:  #e7eef8;
  --text-secondary:#a9bdd6;
  --text-muted:    #6f88a6;
  --text-inverse:  #071019;

  /* Type */
  --font-display: 'Space Grotesk', 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  /* Radii & shadow */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.5);
  --shadow-pop:  0 20px 60px -20px rgba(0,0,0,.65);

  /* Layout */
  --sidebar-w: 264px;
  --topbar-h: 64px;
}

* { box-sizing: border-box; }

html, body {
  background: var(--surface-0);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    radial-gradient(1100px 500px at 100% -10%, rgba(26,111,219,.10), transparent 60%),
    radial-gradient(800px 400px at -10% 10%, rgba(23,184,146,.05), transparent 55%);
  background-attachment: fixed;
  min-height: 100vh;
}

h1, h2, h3, h4, .display-font { font-family: var(--font-display); letter-spacing: -0.01em; }
h1 { font-weight: 600; }
h2, h3 { font-weight: 600; }

a { color: var(--norvas-blue-light); text-decoration: none; }
a:hover { color: #7cb6fb; }

code, .mono, .ref-number { font-family: var(--font-mono); letter-spacing: .01em; }

::selection { background: var(--norvas-blue); color: #fff; }

:focus-visible {
  outline: 2px solid var(--norvas-blue-light);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- Eyebrow / section labels ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--norvas-blue-light);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(77,155,245,.18);
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: .55rem 1.05rem;
  font-size: .9rem;
  transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease, border-color .12s ease;
  border: 1px solid transparent;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(180deg, var(--norvas-blue-light), var(--norvas-blue));
  border-color: var(--norvas-blue-dark);
  color: #fff;
  box-shadow: 0 4px 14px -4px var(--norvas-blue-glow);
}
.btn-primary:hover { background: linear-gradient(180deg, #5aa4f6, var(--norvas-blue-dark)); color:#fff; }

.btn-outline-light, .btn-secondary {
  background: var(--surface-3);
  border-color: var(--border-soft);
  color: var(--text-primary);
}
.btn-outline-light:hover, .btn-secondary:hover { background: var(--surface-4); color: #fff; }

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--surface-3); color: var(--text-primary); }

.btn-danger { background: var(--norvas-rose); border-color: #c23e57; color: #fff; }
.btn-sm { padding: .35rem .7rem; font-size: .8rem; }

/* Loading-state buttons (blueprint rule 43) */
.btn.is-loading { pointer-events: none; opacity: .85; position: relative; color: transparent !important; }
.btn.is-loading::after {
  content: "";
  position: absolute; left: 50%; top: 50%;
  width: 16px; height: 16px;
  margin: -8px 0 0 -8px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  animation: btn-spin .6s linear infinite;
}
@keyframes btn-spin { to { transform: rotate(360deg); } }

/* ---------- Cards ---------- */
.card {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.card-header {
  background: transparent;
  border-bottom: 1px solid var(--border-soft);
  padding: 1.1rem 1.4rem;
}
.card-body { padding: 1.4rem; }

.stat-card {
  position: relative;
  overflow: hidden;
  padding: 1.25rem 1.4rem;
}
.stat-card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--norvas-blue), transparent);
}
.stat-card .stat-value { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; }
.stat-card .stat-label { color: var(--text-muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
.stat-card .stat-icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--norvas-blue-glow); color: var(--norvas-blue-light);
}

/* ---------- Badges (status "stamps") ---------- */
.badge-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .3em .65em;
  border-radius: 100px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: .4em;
}
.badge-pill::before { content:""; width:6px; height:6px; border-radius:50%; background: currentColor; }
.badge-success { background: rgba(23,184,146,.12); color: var(--norvas-teal); border-color: rgba(23,184,146,.3); }
.badge-warning { background: rgba(232,162,61,.12); color: var(--norvas-amber); border-color: rgba(232,162,61,.3); }
.badge-danger  { background: rgba(226,80,107,.12); color: var(--norvas-rose); border-color: rgba(226,80,107,.3); }
.badge-neutral { background: var(--surface-3); color: var(--text-secondary); border-color: var(--border-soft); }
.badge-info    { background: rgba(77,155,245,.12); color: var(--norvas-blue-light); border-color: rgba(77,155,245,.3); }

/* ---------- Tables ---------- */
.table-norvas {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: .875rem;
}
.table-norvas thead th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  font-weight: 600;
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--border-soft);
  white-space: nowrap;
}
.table-norvas tbody td {
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-secondary);
  vertical-align: middle;
}
.table-norvas tbody tr { transition: background-color .12s ease; }
.table-norvas tbody tr:hover { background: rgba(26,111,219,.05); }
.table-norvas tbody tr:last-child td { border-bottom: none; }
.table-responsive-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border-soft); }
.table-responsive-wrap .table-norvas { border: none; }

/* ---------- Forms ---------- */
.form-label { font-size: .82rem; font-weight: 600; color: var(--text-secondary); margin-bottom: .4rem; }
.form-control, .form-select {
  background: var(--surface-1);
  border: 1px solid var(--border-soft);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: .6rem .8rem;
  font-size: .9rem;
}
.form-control:focus, .form-select:focus {
  background: var(--surface-1);
  border-color: var(--norvas-blue);
  box-shadow: 0 0 0 3px var(--norvas-blue-glow);
  color: var(--text-primary);
}
.form-control::placeholder { color: var(--text-muted); }
.form-text { color: var(--text-muted); font-size: .78rem; }
.form-control.is-invalid, .was-validated .form-control:invalid { border-color: var(--norvas-rose); }
.invalid-feedback { color: var(--norvas-rose); font-size: .78rem; }
.input-group-text { background: var(--surface-3); border: 1px solid var(--border-soft); color: var(--text-muted); }
.form-check-input { background-color: var(--surface-1); border-color: var(--border-soft); }
.form-check-input:checked { background-color: var(--norvas-blue); border-color: var(--norvas-blue); }

/* ---------- Alerts (toast-style, blueprint rule "alert system") ---------- */
#alert-stack {
  position: fixed; top: 1rem; right: 1rem; z-index: 1080;
  display: flex; flex-direction: column; gap: .6rem;
  width: min(360px, calc(100vw - 2rem));
}
.norvas-alert {
  background: var(--surface-3);
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--norvas-blue);
  border-radius: var(--radius-md);
  padding: .8rem 1rem;
  box-shadow: var(--shadow-pop);
  font-size: .85rem;
  display: flex; gap: .7rem; align-items: flex-start;
  animation: alert-in .18s ease;
}
.norvas-alert.success { border-left-color: var(--norvas-teal); }
.norvas-alert.warning { border-left-color: var(--norvas-amber); }
.norvas-alert.danger  { border-left-color: var(--norvas-rose); }
.norvas-alert .alert-close { margin-left: auto; cursor: pointer; color: var(--text-muted); background:none; border:none; }
@keyframes alert-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Modal ---------- */
.modal-content {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop);
}
.modal-header, .modal-footer { border-color: var(--border-soft); }
.btn-close { filter: invert(1) grayscale(1) opacity(.7); }

/* ---------- Empty / error states ---------- */
.state-block {
  text-align: center;
  padding: 3.2rem 1.5rem;
  color: var(--text-muted);
}
.state-block .state-icon {
  width: 56px; height: 56px; margin: 0 auto 1rem;
  border-radius: 14px;
  background: var(--surface-3);
  display: flex; align-items: center; justify-content: center;
  color: var(--norvas-blue-light);
}
.state-block h4 { color: var(--text-primary); margin-bottom: .35rem; }
.state-block p { max-width: 380px; margin: 0 auto 1.2rem; font-size: .88rem; }

/* ---------- Global preloader (blueprint rule 42) ---------- */
#global-preloader {
  position: fixed; inset: 0; z-index: 2000;
  background: var(--surface-0);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .18s ease;
}
#global-preloader.active { opacity: 1; pointer-events: all; }
.preloader-mark {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 3px solid var(--border-soft);
  border-top-color: var(--norvas-blue);
  animation: preloader-spin .7s linear infinite;
}
@keyframes preloader-spin { to { transform: rotate(360deg); } }
#topbar-progress {
  position: fixed; top: 0; left: 0; height: 2.5px; width: 0%;
  background: linear-gradient(90deg, var(--norvas-blue-light), var(--norvas-teal));
  z-index: 2001; transition: width .3s ease, opacity .2s ease;
  opacity: 0;
}
#topbar-progress.active { opacity: 1; }

/* ---------- App shell: topbar + sidebar ---------- */
.app-shell { display: flex; min-height: 100vh; }

.app-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface-1);
  border-right: 1px solid var(--border-soft);
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  padding: 1.1rem .9rem;
  transition: transform .2s ease;
  z-index: 1040;
}
.sidebar-brand {
  display: flex; align-items: center; gap: .6rem;
  padding: .4rem .5rem 1.1rem;
  margin-bottom: .6rem;
  border-bottom: 1px solid var(--border-soft);
}
.sidebar-brand .mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(150deg, var(--norvas-blue-light), var(--norvas-blue-dark));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; color: #fff; font-size: 15px;
  flex-shrink: 0;
}
.sidebar-brand .name { font-family: var(--font-display); font-weight: 700; font-size: 1rem; line-height: 1.1; }
.sidebar-brand .sub { font-size: .7rem; color: var(--text-muted); }

.nav-section-label {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .09em;
  color: var(--text-muted); padding: 1rem .6rem .35rem;
}
.sidebar-link {
  display: flex; align-items: center; gap: .7rem;
  padding: .58rem .65rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: .87rem; font-weight: 500;
  margin-bottom: 2px;
  position: relative;
}
.sidebar-link i, .sidebar-link .bi { font-size: 1rem; width: 18px; text-align: center; color: var(--text-muted); }
.sidebar-link:hover { background: var(--surface-3); color: var(--text-primary); }
.sidebar-link.active { background: var(--norvas-blue-glow); color: #fff; }
.sidebar-link.active i, .sidebar-link.active .bi { color: var(--norvas-blue-light); }
.sidebar-link.active::before {
  content:""; position:absolute; left:-9px; top:50%; transform: translateY(-50%);
  width: 3px; height: 60%; background: var(--norvas-blue-light); border-radius: 3px;
}
.sidebar-link .count { margin-left: auto; font-size: 11px; background: var(--surface-4); padding: .1em .5em; border-radius: 100px; color: var(--text-secondary); }

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

.app-topbar {
  height: var(--topbar-h);
  border-bottom: 1px solid var(--border-soft);
  background: rgba(10,18,28,.85);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; gap: 1rem;
  padding: 0 1.4rem;
  position: sticky; top: 0; z-index: 1030;
}
.app-content { padding: 1.6rem; flex: 1; }

.sidebar-toggle-btn { display: none; }

/* ---------- Notification dropdown ---------- */
.notif-dropdown { width: 360px; max-width: calc(100vw - 2rem); padding: 0; overflow: hidden; }
.notif-dropdown .notif-head { padding: .9rem 1.1rem; border-bottom: 1px solid var(--border-soft); display:flex; align-items:center; justify-content:space-between; }
.notif-dropdown .notif-list { max-height: 360px; overflow-y: auto; }
.notif-item { display: flex; gap: .7rem; padding: .8rem 1.1rem; border-bottom: 1px solid var(--border-soft); }
.notif-item:last-child { border-bottom: none; }
.notif-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--norvas-blue-light); margin-top: 6px; flex-shrink: 0; }
.notif-item.read .dot { background: var(--surface-4); }
.notif-item .body { font-size: .82rem; }
.notif-item .title { color: var(--text-primary); font-weight: 600; margin-bottom: 2px; }
.notif-item .meta { color: var(--text-muted); font-size: .72rem; margin-top: 3px; }
.notif-badge {
  position: absolute; top: 2px; right: 2px;
  min-width: 16px; height: 16px; padding: 0 3px;
  border-radius: 100px; background: var(--norvas-rose);
  color: #fff; font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- Timeline (used by dashboard demo) ---------- */
.norvas-timeline { position: relative; padding-left: 1.6rem; }
.norvas-timeline::before { content:""; position:absolute; left:5px; top:6px; bottom:6px; width:2px; background: var(--border-soft); }
.tl-step { position: relative; padding-bottom: 1.4rem; }
.tl-step:last-child { padding-bottom: 0; }
.tl-step::before {
  content:""; position:absolute; left:-1.6rem; top:2px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--surface-3); border: 2px solid var(--border-soft);
}
.tl-step.done::before { background: var(--norvas-teal); border-color: var(--norvas-teal); }
.tl-step.current::before { background: var(--norvas-blue-light); border-color: var(--norvas-blue-light); box-shadow: 0 0 0 4px var(--norvas-blue-glow); }
.tl-step.danger::before { background: var(--norvas-rose); border-color: var(--norvas-rose); }
.tl-step.danger .tl-title { color: var(--norvas-rose); }
.tl-step .tl-title { font-weight: 600; font-size: .88rem; }
.tl-step.done .tl-title { color: var(--text-secondary); }
.tl-step .tl-meta { font-size: .76rem; color: var(--text-muted); }

/* ---------- Auth pages ---------- */
.auth-shell {
  min-height: 100vh; display: flex; align-items: stretch;
}
.auth-aside {
  flex: 1; display: none;
  background:
    radial-gradient(700px 500px at 20% 20%, rgba(26,111,219,.25), transparent 60%),
    linear-gradient(160deg, #0c1826, #081019);
  position: relative; overflow: hidden;
  padding: 3rem;
}
.auth-aside .grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border-soft) 1px, transparent 1px), linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 30% 30%, black, transparent 70%);
}
.auth-form-col { width: 100%; max-width: 460px; margin: 0 auto; display: flex; align-items: center; padding: 2.2rem 1.4rem; }
@media (min-width: 992px) {
  .auth-aside { display: flex; flex-direction: column; justify-content: space-between; }
  .auth-form-col { flex: 0 0 480px; padding: 2.5rem 3.5rem; }
}

/* ---------- Mobile nav ---------- */
@media (max-width: 991.98px) {
  .app-sidebar {
    position: fixed; left: 0; top: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-pop);
  }
  .app-sidebar.open { transform: translateX(0); }
  .sidebar-backdrop {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 1035;
  }
  .sidebar-backdrop.open { display: block; }
  .sidebar-toggle-btn { display: inline-flex; }
}

/* ---------- Landing / public pages ---------- */
.public-navbar {
  background: rgba(10,18,28,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
  position: sticky; top: 0; z-index: 1030;
}
.hero-seal {
  width: 64px; height: 64px; border-radius: 16px;
  background: linear-gradient(150deg, var(--norvas-blue-light), var(--norvas-blue-dark));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; color: #fff; font-size: 26px;
  box-shadow: 0 12px 30px -10px var(--norvas-blue-glow);
}

/* Scrollbar (webkit) */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-4); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: #2a4066; }

.text-muted-2 { color: var(--text-muted) !important; }
.divider-soft { border-color: var(--border-soft) !important; }
.bg-surface-2 { background: var(--surface-2) !important; }