/* ============================================================
   HQB OEM — Brand Stylesheet
============================================================ */

:root {
  --navy: #1B2A4E;
  --navy-deep: #0F1A33;
  --navy-soft: #2A3B66;
  --teal: #5AC4B4;
  --teal-deep: #3FA796;
  --teal-soft: #C7EAE3;
  --yellow: #F2C53D;
  --yellow-soft: #FBE7A1;
  --coral: #E07B5B;
  --coral-soft: #F8D5C5;
  --cream: #FBF8F1;
  --cream-2: #F4EFE3;
  --ink: #14213D;
  --muted: #6B7280;
  --line: rgba(27,42,78,0.12);
  --line-2: rgba(27,42,78,0.06);
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(27,42,78,0.06);
  --shadow: 0 8px 24px rgba(27,42,78,0.10);
  --shadow-lg: 0 24px 50px -20px rgba(27,42,78,0.25);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.display { font-family: 'Fraunces', serif; font-weight: 600; letter-spacing: -0.02em; line-height: 1.05; }
.mono { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; }

a { color: var(--navy); }

/* ============ TOP BAR ============ */
.topbar {
  border-bottom: 1px solid var(--line);
  padding: 14px 28px;
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(251,248,241,0.92);
}
.topbar-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
  color: var(--navy);
}
.brand-mark {
  width: 36px; height: 36px;
  border: 2px solid var(--teal);
  border-radius: 50%;
  position: relative;
  background: var(--cream);
}
.brand-mark::before, .brand-mark::after,
.brand-mark span:nth-child(1), .brand-mark span:nth-child(2) {
  content: ''; position: absolute;
  width: 5px; height: 5px; border-radius: 50%; background: var(--yellow);
}
.brand-mark::before { top: -3px; left: 50%; transform: translateX(-50%); }
.brand-mark::after { bottom: -3px; left: 50%; transform: translateX(-50%); }
.brand-mark span:nth-child(1) { left: -3px; top: 50%; transform: translateY(-50%); }
.brand-mark span:nth-child(2) { right: -3px; top: 50%; transform: translateY(-50%); }
.brand-text {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1;
}
.brand-text small {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  color: var(--teal-deep);
  margin-top: 2px;
}
.topbar-nav { display: flex; gap: 24px; align-items: center; }
.topbar-nav a {
  text-decoration: none;
  color: var(--navy);
  font-weight: 500;
  font-size: 0.92rem;
}
.topbar-nav a:hover { color: var(--teal-deep); }
.topbar-actions { display: flex; gap: 10px; align-items: center; }

.cart-btn {
  position: relative;
  background: var(--navy);
  color: var(--cream);
  border: none;
  width: 44px; height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: grid; place-items: center;
  text-decoration: none;
  transition: transform .2s, background .2s;
}
.cart-btn:hover { background: var(--navy-deep); transform: scale(1.05); }
.cart-badge {
  position: absolute;
  top: -4px; right: -4px;
  background: var(--yellow);
  color: var(--navy);
  border-radius: 999px;
  min-width: 20px; height: 20px;
  padding: 0 6px;
  font-size: 0.72rem;
  font-weight: 700;
  display: grid; place-items: center;
  border: 2px solid var(--cream);
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .15s, box-shadow .2s, background .2s, color .2s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--navy); color: var(--cream); border-color: var(--navy); }
.btn-primary:hover { background: var(--navy-deep); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: var(--cream); }
.btn-accent { background: var(--yellow); color: var(--navy); border-color: var(--yellow); }
.btn-danger { background: var(--coral); color: var(--cream); border-color: var(--coral); }
.btn-sm { padding: 7px 14px; font-size: 0.83rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ============ FORMS ============ */
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.field .hint { font-size: 0.78rem; color: var(--muted); margin-top: 4px; }
.input, .select, .textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--cream);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: #fff;
}
.textarea { resize: vertical; min-height: 100px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ============ CARDS ============ */
.card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.card-pad-sm { padding: 20px; }

/* ============ TABLES ============ */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--cream);
}
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
table.data thead th {
  text-align: left;
  padding: 14px 18px;
  background: var(--cream-2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-soft);
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}
table.data tbody td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-2);
}
table.data tbody tr:hover { background: var(--cream-2); }
table.data tbody tr:last-child td { border-bottom: none; }

/* ============ PILLS ============ */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--cream-2);
  color: var(--navy);
}
.pill-success { background: var(--teal-soft); color: var(--teal-deep); }
.pill-warning { background: var(--yellow-soft); color: #8a6d12; }
.pill-danger { background: var(--coral-soft); color: #a04428; }
.pill-info { background: rgba(90,196,180,0.15); color: var(--teal-deep); }
.pill-neutral { background: var(--cream-2); color: var(--navy-soft); }
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ============ KPIs ============ */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.kpi {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
}
.kpi-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin-bottom: 10px;
}
.kpi-value {
  font-family: 'Fraunces', serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1;
}
.kpi-trend { margin-top: 10px; font-size: 0.82rem; color: var(--muted); }
.kpi-accent::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--yellow);
}

/* ============ APP SHELL ============ */
.app-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--navy);
  color: var(--cream);
  padding: 28px 20px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--cream);
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(199,234,227,0.15);
  margin-bottom: 24px;
}
.sidebar-brand .brand-mark { background: var(--navy-deep); border-color: var(--teal); }
.sidebar-brand .brand-text small { color: var(--teal); }
.sidebar-section {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--teal);
  text-transform: uppercase;
  margin: 24px 12px 10px;
}
.sidebar a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  text-decoration: none;
  color: var(--teal-soft);
  font-size: 0.93rem;
  font-weight: 500;
  border-radius: 10px;
  margin-bottom: 3px;
}
.sidebar a:hover { background: rgba(199,234,227,0.08); color: var(--cream); }
.sidebar a.active { background: var(--teal-deep); color: var(--cream); }
.sidebar-user {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(199,234,227,0.15);
  display: flex;
  align-items: center;
  gap: 12px;
}
.avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--navy);
  display: grid; place-items: center;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  flex-shrink: 0;
}
.sidebar-user-info { font-size: 0.85rem; line-height: 1.3; min-width: 0; }
.sidebar-user-info strong { display: block; color: var(--cream); font-weight: 600; }
.sidebar-user-info small { color: var(--teal-soft); font-size: 0.78rem; }
.sidebar-user .logout-btn {
  background: transparent;
  border: none;
  color: var(--coral);
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
  font-size: 1.1rem;
}
.app-main {
  padding: 32px 40px;
  background: var(--cream);
  min-width: 0;
}
.page-head {
  margin-bottom: 32px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.page-head-text h1 {
  font-family: 'Fraunces', serif;
  font-size: 2rem;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.page-head-text p { color: var(--muted); font-size: 0.95rem; }
.page-head-actions { display: flex; gap: 10px; }

/* ============ TABS ============ */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}
.tab {
  padding: 12px 18px;
  background: transparent;
  border: none;
  color: var(--navy-soft);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  position: relative;
}
.tab:hover { color: var(--navy); }
.tab.active { color: var(--navy); }
.tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 12px; right: 12px;
  height: 3px;
  background: var(--yellow);
  border-radius: 2px 2px 0 0;
}

/* ============ ALERT / NOTICE ============ */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.alert-success { background: var(--teal-soft); color: var(--teal-deep); border-left: 4px solid var(--teal-deep); }
.alert-error { background: var(--coral-soft); color: #a04428; border-left: 4px solid var(--coral); }
.alert-warning { background: var(--yellow-soft); color: #8a6d12; border-left: 4px solid var(--yellow); }

/* ============ FLASH MESSAGES ============ */
.flash {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.93rem;
  box-shadow: var(--shadow-lg);
  background: var(--navy);
  color: var(--cream);
}
.flash.success { background: var(--teal-deep); }
.flash.error { background: var(--coral); }

/* ============ UTILITY ============ */
.text-muted { color: var(--muted); }
.text-success { color: var(--teal-deep); }
.text-danger { color: var(--coral); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-sm { gap: 8px; } .gap-md { gap: 14px; } .gap-lg { gap: 24px; }
.mb-sm { margin-bottom: 8px; } .mb-md { margin-bottom: 16px; } .mb-lg { margin-bottom: 24px; }
.mt-sm { margin-top: 8px; } .mt-md { margin-top: 16px; } .mt-lg { margin-top: 24px; }

@media (max-width: 980px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; padding: 16px 20px; }
  .app-main { padding: 24px 20px; }
}
@media (max-width: 640px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .topbar-nav { display: none; }
}