/* ============================================================
   PtahCast — Application UI
   Palette: deep lapis + burnished gold + papyrus sand
   Type: Cinzel (monumental) + Inter (modern) + JetBrains Mono (data)
   No gradients. High contrast. Readable at small sizes.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* =====================================================
   TOKENS
   ===================================================== */
:root {
  /* Backgrounds — darkest to lightest */
  --bg-void:      #080d14;
  --bg-lapis:     #0c1520;
  --bg-surface:   #0f1d2d;
  --bg-raised:    #152437;
  --bg-highlight: #1a2d42;
  --bg-input:     #111e2e;

  /* Borders */
  --border-stone: #253d58;
  --border-faint: #1a2d40;
  --border-focus: #c8a84b;

  /* Gold */
  --gold:         #c8a84b;
  --gold-bright:  #e6c55a;
  --gold-dim:     #a8892a;
  --gold-soft:    rgba(200, 168, 75, 0.10);

  /* Sand / papyrus */
  --sand:         #d4c5a9;
  --sand-muted:   #b0a08a;
  --sand-dim:     #7a6e5c;

  /* Ink */
  --ink:          #eae8e2;
  --ink-muted:    #b8b2aa;
  --ink-dim:      #7a746c;

  /* Semantic colours */
  --colour-expedite:   #c0392b;
  --colour-fixed-date: #d4a017;
  --colour-standard:   #2d6b9f;
  --colour-intangible: #4a6741;

  --colour-success: #4caf6e;
  --colour-warning: #d4a017;
  --colour-error:   #c0392b;
  --colour-info:    #2d6b9f;

  /* Type */
  --font-monument: 'Cinzel', serif;
  --font-body:     'Inter', sans-serif;
  --font-data:     'JetBrains Mono', monospace;

  /* Geometry */
  --radius:    6px;
  --radius-sm: 3px;
  --radius-lg: 10px;

  /* Layout */
  --sidebar-width:  220px;
  --topbar-height:  52px;
}

/* =====================================================
   RESET
   ===================================================== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }

body {
  background: var(--bg-void);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color 0.15s;
}
a:hover { color: var(--gold-bright); }

h1, h2, h3, h4, h5 {
  margin: 0 0 16px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
}

h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }

p { margin: 0 0 14px; }
p:last-child { margin-bottom: 0; }

/* =====================================================
   APP SHELL
   ===================================================== */
.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* =====================================================
   SIDEBAR
   ===================================================== */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-lapis);
  border-right: 1px solid var(--border-stone);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar__wordmark {
  display: block;
  padding: 18px 20px 16px;
  font-family: var(--font-monument);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-faint);
  text-decoration: none;
}

.sidebar__wordmark span { color: var(--sand-muted); font-weight: 400; }

.sidebar__section { padding: 16px 0 8px; }

.sidebar__section-label {
  padding: 0 16px 6px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand-dim);
}

.sidebar__nav { list-style: none; margin: 0; padding: 0; }

.sidebar__nav-item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--sand-muted);
  border-left: 2px solid transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
  text-decoration: none;
}

.sidebar__nav-item a:hover {
  color: var(--ink);
  background: var(--bg-highlight);
}

.sidebar__nav-item a.active {
  color: var(--gold);
  border-left-color: var(--gold);
  background: var(--gold-soft);
}

.sidebar__footer {
  margin-top: auto;
  padding: 12px 0;
  border-top: 1px solid var(--border-faint);
}

/* =====================================================
   MAIN AREA
   ===================================================== */
.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-void);
}

/* =====================================================
   TOPBAR
   ===================================================== */
.topbar {
  height: var(--topbar-height);
  flex-shrink: 0;
  background: var(--bg-lapis);
  border-bottom: 1px solid var(--border-stone);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}

.topbar__title {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  flex: 1;
}

.topbar__breadcrumb { font-size: 13px; color: var(--sand-muted); }
.topbar__breadcrumb a { color: var(--sand-muted); }
.topbar__breadcrumb a:hover { color: var(--gold); }
.topbar__breadcrumb-sep { margin: 0 6px; color: var(--ink-dim); }

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

/* =====================================================
   PAGE CONTENT
   ===================================================== */
.page-content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

.page-content--board {
  padding: 20px 24px;
  overflow-x: auto;
  overflow-y: hidden;
  display: flex;
  flex-direction: column;
}

/* =====================================================
   AUTH PAGES
   ===================================================== */
.auth-shell {
  min-height: 100vh;
  background: var(--bg-void);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-surface);
  border: 1px solid var(--border-stone);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
}

.auth-card__wordmark {
  display: block;
  font-family: var(--font-monument);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 8px;
  text-decoration: none;
}

.auth-card__wordmark span { color: var(--sand-muted); font-weight: 400; }

.auth-card__heading {
  font-size: 14px;
  font-weight: 400;
  color: var(--sand-muted);
  text-align: center;
  margin: 0 0 32px;
}

/* =====================================================
   FORMS
   ===================================================== */
.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--sand-muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
  display: block;
  width: 100%;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink);
  background: var(--bg-input);
  border: 1px solid var(--border-stone);
  border-radius: var(--radius);
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--ink-dim); }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--border-focus); }

.form-group textarea { resize: vertical; min-height: 100px; line-height: 1.6; }
.form-group select { cursor: pointer; }

.form-group--inline {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group--inline label {
  margin-bottom: 0;
  text-transform: none;
  font-size: 13px;
  letter-spacing: 0;
  color: var(--sand-muted);
  cursor: pointer;
}

.form-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--gold);
  cursor: pointer;
  flex-shrink: 0;
}

.form-error { display: block; margin-top: 5px; font-size: 12px; color: var(--colour-error); }
.form-hint  { display: block; margin-top: 5px; font-size: 12px; color: var(--sand-dim); }

.form-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius);
  padding: 9px 16px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  line-height: 1;
}

.btn--primary   { background: var(--gold); color: #0a0806; border-color: var(--gold); }
.btn--primary:hover { background: var(--gold-bright); border-color: var(--gold-bright); color: #0a0806; }

.btn--secondary { background: var(--bg-raised); color: var(--ink-muted); border-color: var(--border-stone); }
.btn--secondary:hover { background: var(--bg-highlight); color: var(--ink); border-color: var(--border-focus); }

.btn--ghost     { background: transparent; color: var(--sand-muted); border-color: transparent; }
.btn--ghost:hover { background: var(--bg-highlight); color: var(--ink); }

.btn--danger    { background: transparent; color: var(--colour-error); border-color: var(--colour-error); }
.btn--danger:hover { background: var(--colour-error); color: var(--ink); }

.btn--sm  { font-size: 12px; padding: 6px 10px; }
.btn--lg  { font-size: 15px; padding: 12px 24px; width: 100%; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* =====================================================
   FLASH MESSAGES
   ===================================================== */
.flash-list { list-style: none; margin: 0 0 24px; padding: 0; display: flex; flex-direction: column; gap: 8px; }

.flash {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  border-left: 3px solid transparent;
}

.flash--error,
.flash--danger  { background: rgba(192, 57, 43, 0.12); border-left-color: var(--colour-error); color: #e07070; }
.flash--success { background: rgba(76, 175, 110, 0.12); border-left-color: var(--colour-success); color: #7fcf97; }
.flash--warning { background: rgba(212, 160, 23, 0.12); border-left-color: var(--colour-warning); color: #d4a017; }
.flash--info    { background: rgba(45, 107, 159, 0.14); border-left-color: var(--colour-info); color: #7aadcc; }

/* =====================================================
   CARDS / PANELS
   ===================================================== */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-stone);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.card--raised { background: var(--bg-raised); }

.card__title {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 16px;
}

/* =====================================================
   BOARD LAYOUT
   ===================================================== */
.board {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  height: 100%;
  padding-bottom: 16px;
}

.board-column {
  width: 280px;
  flex-shrink: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-stone);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  max-height: 100%;
}

.board-column__header {
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--border-faint);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.board-column__name {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-muted);
  flex: 1;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.board-column__count    { font-family: var(--font-data); font-size: 11px; color: var(--sand-dim); }
.board-column__wip      { font-family: var(--font-data); font-size: 10px; color: var(--sand-dim); }
.board-column__wip--breached { color: var(--colour-error); font-weight: 500; }

.board-column__cards {
  padding: 10px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 60px;
}

/* =====================================================
   TICKET CARDS
   ===================================================== */
.ticket-card {
  background: var(--bg-raised);
  border: 1px solid var(--border-stone);
  border-radius: var(--radius);
  padding: 10px 12px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
}

.ticket-card:hover {
  border-color: var(--border-focus);
  background: var(--bg-highlight);
}

.ticket-card__cos-stripe {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 3px;
  border-radius: var(--radius) 0 0 var(--radius);
}

.ticket-card__cos-stripe--expedite   { background: var(--colour-expedite); }
.ticket-card__cos-stripe--fixed-date { background: var(--colour-fixed-date); }
.ticket-card__cos-stripe--standard   { background: var(--colour-standard); }
.ticket-card__cos-stripe--intangible { background: var(--colour-intangible); }

.ticket-card__inner   { padding-left: 8px; }
.ticket-card__code    { font-family: var(--font-data); font-size: 10px; color: var(--sand-dim); margin-bottom: 4px; }
.ticket-card__title   { font-size: 13px; color: var(--ink); line-height: 1.4; margin-bottom: 8px; }

.ticket-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.ticket-card__epic {
  font-size: 11px;
  color: var(--sand-muted);
  border-left: 2px solid var(--border-stone);
  padding-left: 6px;
}

.ticket-card__assignee { font-size: 11px; color: var(--sand-dim); margin-left: auto; }

/* SortableJS drag ghost */
.ticket-card--ghost { opacity: 0.35; background: var(--bg-highlight); border: 1px dashed var(--gold); }

/* =====================================================
   CLASS OF SERVICE BADGES
   ===================================================== */
.cos-badge {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  border: 1px solid;
}

.cos-badge--expedite   { color: var(--colour-expedite); border-color: var(--colour-expedite); background: rgba(192, 57, 43, 0.10); }
.cos-badge--fixed-date { color: var(--colour-fixed-date); border-color: var(--colour-fixed-date); background: rgba(212, 160, 23, 0.10); }
.cos-badge--standard   { color: #6aacd4; border-color: var(--colour-standard); background: rgba(45, 107, 159, 0.10); }
.cos-badge--intangible { color: #8ab885; border-color: var(--colour-intangible); background: rgba(74, 103, 65, 0.10); }

/* =====================================================
   TABLES
   ===================================================== */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }

.data-table th {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sand-muted);
  font-weight: 500;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-stone);
  white-space: nowrap;
}

.data-table td {
  padding: 11px 14px;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--border-faint);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--bg-raised); color: var(--ink); }
.data-table td.cell--code  { font-family: var(--font-data); font-size: 11px; color: var(--sand-dim); white-space: nowrap; }
.data-table td.cell--title { color: var(--ink); }
.data-table td.cell--num   { font-family: var(--font-data); font-size: 12px; text-align: right; }

/* =====================================================
   METRIC TILES
   ===================================================== */
.metric-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }

.metric-tile {
  background: var(--bg-surface);
  border: 1px solid var(--border-stone);
  border-radius: var(--radius);
  padding: 16px 20px;
  min-width: 140px;
  flex: 1;
}

.metric-tile__label { font-family: var(--font-data); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sand-muted); margin-bottom: 6px; }
.metric-tile__value { font-family: var(--font-data); font-size: 24px; font-weight: 500; color: var(--ink); line-height: 1; }
.metric-tile__value--gold { color: var(--gold); }
.metric-tile__sub   { font-size: 12px; color: var(--sand-dim); margin-top: 4px; }

/* =====================================================
   FORECAST TABLE
   ===================================================== */
.forecast-table { width: 100%; }

.forecast-row {
  display: grid;
  grid-template-columns: 44px 1fr 100px;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-faint);
}

.forecast-row:last-child { border-bottom: none; }

.forecast-pct { font-family: var(--font-data); font-size: 12px; color: var(--ink-muted); text-align: right; }
.forecast-row--highlight .forecast-pct { color: var(--gold); font-weight: 500; }

.forecast-track { height: 6px; background: var(--bg-raised); border-radius: 3px; overflow: hidden; }
.forecast-fill  { height: 100%; background: var(--border-stone); border-radius: 3px; }
.forecast-row--highlight .forecast-fill { background: var(--gold); }

.forecast-date { font-family: var(--font-data); font-size: 11px; color: var(--ink-muted); text-align: right; white-space: nowrap; }
.forecast-row--highlight .forecast-date { color: var(--gold-bright); font-weight: 500; }

/* =====================================================
   EMPTY STATES
   ===================================================== */
.empty-state { text-align: center; padding: 48px 24px; }
.empty-state__icon    { font-size: 32px; margin-bottom: 12px; opacity: 0.5; }
.empty-state__message { font-size: 14px; color: var(--sand-muted); margin-bottom: 20px; }

/* =====================================================
   MODAL
   ===================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 13, 20, 0.80);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-stone);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal--wide { max-width: 800px; }

.modal__header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border-faint);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.modal__title  { font-size: 15px; font-weight: 500; color: var(--ink); flex: 1; margin: 0; }

.modal__close {
  background: none;
  border: none;
  color: var(--sand-dim);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}

.modal__close:hover { color: var(--ink); background: var(--bg-raised); }
.modal__body   { padding: 24px; flex: 1; }
.modal__footer { padding: 16px 24px; border-top: 1px solid var(--border-faint); display: flex; justify-content: flex-end; gap: 10px; flex-shrink: 0; }

/* =====================================================
   TAGS
   ===================================================== */
.tag {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--bg-raised);
  color: var(--sand-muted);
  border: 1px solid var(--border-stone);
}

.tag--gold { background: var(--gold-soft); color: var(--gold); border-color: var(--gold-dim); }

/* =====================================================
   LANE TABS
   Used by backlog Inbox / Ready views
   ===================================================== */
.lane-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-stone);
  margin-bottom: 24px;
}

.lane-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--sand-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;          /* overlap the container border */
  transition: color 0.15s, border-color 0.15s;
}

.lane-tab:hover { color: var(--ink); }

.lane-tab--active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.lane-tab__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--gold);
  color: var(--bg-void);
  font-family: var(--font-data);
  font-size: 10px;
  font-weight: 700;
  border-radius: 10px;
  line-height: 1;
}

/* =====================================================
   DIVIDER
   ===================================================== */
.divider { height: 1px; background: var(--border-faint); border: none; margin: 20px 0; }

/* =====================================================
   UTILITY
   ===================================================== */
.text-gold    { color: var(--gold); }
.text-sand    { color: var(--sand); }
.text-muted   { color: var(--sand-muted); }
.text-dim     { color: var(--sand-dim); }
.text-error   { color: var(--colour-error); }
.text-success { color: var(--colour-success); }
.mono         { font-family: var(--font-data); }
.sr-only      { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* =====================================================
   ACCESSIBILITY
   ===================================================== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

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

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
  .sidebar       { display: none; }
  .page-content  { padding: 20px 16px; }
  .metric-row    { flex-direction: column; }
  .board-column  { width: 240px; }
}