/* ==============================================
   TBX APP — Design System
   PT TBX Teknologi Indonesia
   ============================================== */

:root {
  --black: #0a0a0a;
  --ink: #1a1a1a;
  --graphite: #3a3a3a;
  --stone: #6b6b6b;
  --bone: #d4d4d0;
  --paper: #f5f3ee;
  --white: #ffffff;
  --error: #8b0000;
  --warning: #b45309;
  --success: #15803d;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter Tight', sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.mono { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.serif { font-family: 'Fraunces', serif; }

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

/* ============ APP NAV ============ */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 1px solid var(--graphite);
}
.app-nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.app-nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--paper);
}
.brand-mark {
  width: 28px; height: 28px;
  background: var(--paper);
  color: var(--ink);
  display: grid;
  place-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
}
.brand-name {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.05rem;
}
.brand-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bone);
  padding-left: 14px;
  border-left: 1px solid var(--graphite);
}
.app-nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
}
.app-nav-links a {
  color: var(--bone);
  text-decoration: none;
  padding: 8px 14px;
  font-size: 0.85rem;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s;
}
.app-nav-links a:hover { color: var(--paper); background: var(--graphite); }
.app-nav-links a.active { color: var(--paper); background: var(--graphite); }

.app-nav-user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--graphite);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--bone);
}
.user-chip .role-pill {
  font-size: 0.58rem;
  padding: 2px 6px;
  background: var(--paper);
  color: var(--ink);
  letter-spacing: 0.08em;
}
.logout-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bone);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--graphite);
  transition: background 0.2s, color 0.2s;
}
.logout-link:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }

/* ============ PAGE LAYOUT ============ */
.page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 50px 40px 80px;
}
.page-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 50px 40px 80px;
}

.page-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ink);
}
.page-head-title {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.025em;
}
.page-head-title em { font-style: italic; font-weight: 300; }
.page-head-sub {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 12px;
}
.page-head-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: 'Inter Tight', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--graphite); }
.btn.danger { border-color: var(--error); color: var(--error); }
.btn.danger:hover { background: var(--error); color: var(--paper); }
.btn.small { padding: 6px 12px; font-size: 0.78rem; }
.btn.icon-only { padding: 8px 10px; }

.btn-mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ============ FORMS ============ */
.form-grid {
  display: grid;
  gap: 24px;
}
.form-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding-top: 20px;
  padding-bottom: 20px;
}
.form-row:first-child { padding-top: 0; }
.form-row.no-border { padding-bottom: 0; }

.form-label {
  padding-top: 6px;
}
.form-label-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 4px;
}
.form-label-required {
  color: var(--warning);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  margin-left: 4px;
}
.form-label-hint {
  font-size: 0.78rem;
  color: var(--stone);
  line-height: 1.5;
}

.input, .select, .textarea {
  background: var(--white);
  border: 1px solid var(--ink);
  padding: 11px 14px;
  font-family: 'Inter Tight', sans-serif;
  font-size: 0.95rem;
  color: var(--ink);
  width: 100%;
  border-radius: 0;
  transition: box-shadow 0.15s;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  box-shadow: 4px 4px 0 var(--ink);
}
.textarea {
  font-family: inherit;
  resize: vertical;
  min-height: 80px;
  line-height: 1.55;
}
.select { cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath fill='%231a1a1a' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 10px;
  padding-right: 36px;
}
.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.input-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

/* ============ TABLES ============ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--ink);
}
.data-table thead { border-bottom: 1px solid var(--ink); background: var(--paper); }
.data-table th {
  padding: 14px 16px;
  text-align: left;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  font-weight: 500;
}
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--bone);
  font-size: 0.92rem;
  vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background 0.15s; }
.data-table tbody tr:hover { background: var(--paper); }
.data-table .cell-mono { font-family: 'JetBrains Mono', monospace; font-size: 0.82rem; }
.data-table .cell-right { text-align: right; }
.data-table .cell-actions { text-align: right; width: 1%; white-space: nowrap; }
.data-table .row-link { color: inherit; text-decoration: none; display: block; }
.data-table .row-link:hover { text-decoration: underline; }
.data-table .row-title {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}
.data-table .row-title em { font-style: italic; font-weight: 300; }
.data-table .row-sub {
  font-size: 0.78rem;
  color: var(--stone);
}

/* ============ STATUS PILLS ============ */
.pill {
  display: inline-block;
  padding: 4px 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  background: var(--white);
  color: var(--ink);
}
.pill.solid { background: var(--ink); color: var(--paper); }
.pill.success { border-color: var(--success); color: var(--success); }
.pill.success.solid { background: var(--success); color: var(--paper); }
.pill.warning { border-color: var(--warning); color: var(--warning); }
.pill.warning.solid { background: var(--warning); color: var(--paper); }
.pill.error { border-color: var(--error); color: var(--error); }
.pill.error.solid { background: var(--error); color: var(--paper); }
.pill.muted { border-color: var(--bone); color: var(--stone); }

/* ============ CARDS ============ */
.card {
  background: var(--white);
  border: 1px solid var(--ink);
  padding: 28px 30px;
  box-shadow: 6px 6px 0 var(--bone);
}
.card-list {
  display: grid;
  gap: 1px;
  background: var(--ink);
  border: 1px solid var(--ink);
}
.card-list > * { background: var(--paper); padding: 24px 28px; }

/* ============ EMPTY STATE ============ */
.empty-state {
  text-align: center;
  padding: 60px 30px;
  background: var(--white);
  border: 1px dashed var(--ink);
}
.empty-state h3 {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: 1.4rem;
  font-style: italic;
  margin-bottom: 8px;
  color: var(--ink);
}
.empty-state p { color: var(--stone); font-size: 0.9rem; margin-bottom: 20px; }

/* ============ FLASH MESSAGES ============ */
.flash {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 22px;
  background: var(--ink);
  color: var(--paper);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  z-index: 200;
  box-shadow: 4px 4px 0 var(--bone);
  animation: flashIn 0.3s ease-out;
}
.flash.error { background: var(--error); }
.flash.success { background: var(--success); }
@keyframes flashIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ============ STATS GRID ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--ink);
  border: 1px solid var(--ink);
  margin-bottom: 50px;
}
.stat {
  background: var(--paper);
  padding: 28px 26px;
}
.stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 10px;
}
.stat-value {
  font-family: 'Fraunces', serif;
  font-size: 2.4rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-sub {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--stone);
}

/* ============ SECTION HEAD ============ */
.section-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ink);
}
.section-head .section-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--stone);
}
.section-head .section-title {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.section-head .section-title em { font-style: italic; font-weight: 300; }

/* ============ FILTERS ============ */
.filter-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--ink);
  margin-bottom: 24px;
}
.filter-bar .input, .filter-bar .select { padding: 8px 12px; font-size: 0.85rem; }
.filter-bar .filter-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 800px) {
  .app-nav-inner { padding: 12px 20px; }
  .brand-tag { display: none; }
  .app-nav-links { order: 3; width: 100%; overflow-x: auto; }
  .page, .page-narrow { padding: 30px 20px 60px; }
  .page-head { grid-template-columns: 1fr; gap: 16px; align-items: start; }
  .page-head-actions { width: 100%; flex-wrap: wrap; }
  .form-row, .section-head { grid-template-columns: 1fr; gap: 12px; }
  .input-row, .input-row-3 { grid-template-columns: 1fr; }
  .data-table { display: block; overflow-x: auto; white-space: nowrap; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}