/* ==========================================================================
   Abrar Data Center — Design System
   Brand tokens derived from the Abrar palette: Prussian Blue / Yankees Blue /
   Macaroni and Cheese / Old Lace / Anti-Flash White.
   Signature motif: the "stitch line" — a dashed thread-stroke used as an
   accent border, nodding to Abrar's sewing-materials trade.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root {
  --ink-900: #0f2a38;
  --prussian: #003A57;
  --prussian-light: #0a5578;
  --yankees: #183642;
  --macaroni: #FBBD97;
  --macaroni-dark: #F2A268;
  --lace: #FFF5E4;
  --frost: #F0F5F8;
  --white: #ffffff;
  --ok-bg: #eaf7ef; --ok-text: #1c7a3e; --ok-border: #34c264;
  --err-bg: #fdecec; --err-text: #b3261e; --err-border: #ef5350;

  --font-display: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 2px 10px rgba(0,58,87,.06), 0 10px 30px rgba(0,58,87,.05);
  --shadow-lift: 0 10px 24px rgba(0,58,87,.14);
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  background: var(--lace);
  color: var(--ink-900);
  -webkit-font-smoothing: antialiased;
}

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

.font-mono-data { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- Stitch motif ---------- */
.stitch-top {
  position: relative;
}
.stitch-top::before {
  content: "";
  position: absolute;
  top: 0; left: 24px; right: 24px;
  height: 0;
  border-top: 2px dashed var(--macaroni);
  opacity: .9;
}
.stitch-divider {
  border: 0;
  height: 0;
  border-top: 2px dashed rgba(0,58,87,.15);
  margin: 1.25rem 0;
}
.stitch-underline {
  background-image: linear-gradient(to right, var(--macaroni) 55%, transparent 0%);
  background-position: bottom;
  background-size: 10px 2px;
  background-repeat: repeat-x;
  padding-bottom: 6px;
}

/* ---------- Surfaces ---------- */
.surface {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0,58,87,.06);
}

.page-title-card {
  background: linear-gradient(135deg, var(--prussian) 0%, var(--yankees) 100%);
  color: var(--frost);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.page-title-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0 2px, transparent 2px 14px);
  pointer-events: none;
}
.page-title-card .icon-badge {
  background: rgba(251,189,151,.18);
  color: var(--macaroni);
  border: 1px solid rgba(251,189,151,.35);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-weight: 600; border-radius: 10px; padding: .6rem 1.1rem;
  transition: transform .15s var(--ease), box-shadow .15s var(--ease), background-color .2s var(--ease), color .2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--prussian); color: var(--white); }
.btn-primary:hover { background: var(--macaroni); color: var(--prussian); box-shadow: var(--shadow-lift); transform: translateY(-1px); }
.btn-accent { background: var(--macaroni); color: var(--prussian); }
.btn-accent:hover { background: var(--macaroni-dark); box-shadow: var(--shadow-lift); transform: translateY(-1px); }
.btn-ghost { background: var(--frost); color: var(--prussian); }
.btn-ghost:hover { background: #e3ecf1; }
.btn-danger { background: #c53030; color: var(--white); }
.btn-danger:hover { background: #9b2626; box-shadow: var(--shadow-lift); transform: translateY(-1px); }

/* ---------- Inputs ---------- */
.field {
  width: 100%; padding: .65rem .85rem; border-radius: 10px;
  border: 1.5px solid #e3e7ea; background: var(--white);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
  font-family: var(--font-body);
}
.field:focus { outline: none; border-color: var(--prussian); box-shadow: 0 0 0 3px rgba(0,58,87,.12); }
.field-label { font-size: .8rem; font-weight: 600; color: var(--yankees); margin-bottom: .3rem; display: block; }

/* ---------- Table ---------- */
.data-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.data-table thead th {
  text-align: left; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--yankees); background: var(--frost); padding: .75rem 1rem;
  position: sticky; top: 0;
}
.data-table thead th:first-child { border-top-left-radius: 10px; }
.data-table thead th:last-child { border-top-right-radius: 10px; }
.data-table tbody tr { border-bottom: 1px solid #eef1f3; transition: background-color .15s var(--ease); }
.data-table tbody tr:hover { background: var(--lace); }
.data-table td { padding: .75rem 1rem; font-size: .875rem; }

/* ---------- Alerts / toasts ---------- */
.alert {
  border-left: 4px solid; border-radius: 10px; padding: .85rem 1rem;
  display: flex; align-items: flex-start; gap: .6rem;
  animation: slideDown .35s var(--ease);
}
.alert-success { background: var(--ok-bg); border-color: var(--ok-border); color: var(--ok-text); }
.alert-error { background: var(--err-bg); border-color: var(--err-border); color: var(--err-text); }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(15,42,56,.55);
  backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center; padding: 1rem;
  z-index: 60; animation: fadeIn .2s var(--ease);
}
.modal-panel {
  background: var(--white); border-radius: var(--radius);
  box-shadow: 0 25px 60px rgba(0,0,0,.3);
  animation: popIn .25s var(--ease);
}

/* ---------- Motion ---------- */
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
@keyframes popIn { from { opacity: 0; transform: scale(.94) translateY(6px);} to { opacity: 1; transform: scale(1) translateY(0);} }
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px);} to { opacity: 1; transform: translateY(0);} }
@keyframes riseIn { from { opacity: 0; transform: translateY(14px);} to { opacity: 1; transform: translateY(0);} }
@keyframes shimmerLine { 0% { background-position: 0 0; } 100% { background-position: 40px 0; } }

.rise-in { animation: riseIn .5s var(--ease) both; }
.rise-in-1 { animation-delay: .04s; }
.rise-in-2 { animation-delay: .1s; }
.rise-in-3 { animation-delay: .16s; }
.rise-in-4 { animation-delay: .22s; }
.rise-in-5 { animation-delay: .28s; }

.hover-card { transition: transform .2s var(--ease), box-shadow .2s var(--ease); }
.hover-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }

@media (prefers-reduced-motion: reduce) {
  .rise-in, .alert, .modal-backdrop, .modal-panel, .hover-card { animation: none !important; transition: none !important; }
  .hover-card:hover { transform: none; }
}

/* ---------- Sidebar / shell ---------- */
#sidebar { transition: transform .3s var(--ease); }
.nav-link {
  display: flex; align-items: center; gap: .75rem; padding: .7rem .9rem; border-radius: 10px;
  color: #cfe0e8; font-weight: 500; transition: background-color .18s var(--ease), color .18s var(--ease), padding-left .18s var(--ease);
  position: relative;
}
.nav-link i { width: 1.1rem; text-align: center; opacity: .85; }
.nav-link:hover { background: rgba(251,189,151,.12); color: var(--macaroni); padding-left: 1.1rem; }
.nav-link.active { background: var(--macaroni); color: var(--prussian); font-weight: 700; }
.nav-link.active i { opacity: 1; }