/* ═══════════════════════════════════════════════════
  Atlas Prim — Global Styles v2
  ═══════════════════════════════════════════════════ */

:root {
  --navy:  #1a1a2e;
  --navy2:  #16213e;
  --accent:  #0f3460;
  --blue:  #2563eb;
  --gold:  #f59e0b;
  --light:  #e8edf2;
  --lighter: #f4f6fb;
  --white:  #ffffff;
  --text:  #1a1a2e;
  --muted:  #6b7280;
  --border:  #e5e7eb;
  --danger:  #dc2626;
  --success: #16a34a;
  --warn:  #d97706;
  --r:  10px;
  --shadow:  0 4px 20px rgba(0,0,0,.07);
  --shadow2: 0 8px 32px rgba(0,0,0,.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Segoe UI', system-ui, Arial, sans-serif;
  color: var(--text);
  background: var(--lighter);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; }
video { max-width: 100%; height: auto; }

/* ── Typography ─────────────────────────── */
h1,h2,h3,h4 { line-height: 1.2; font-weight: 700; overflow-wrap: break-word; word-break: break-word; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Utility ────────────────────────────── */
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }
.flex  { display: flex; }
.gap-sm  { gap: .5rem; }
.gap  { gap: 1rem; }
.gap-lg  { gap: 1.5rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-1  { flex: 1; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.mt-sm  { margin-top: .5rem; }
.mt  { margin-top: 1rem; }
.mt-lg  { margin-top: 1.5rem; }
.mb  { margin-bottom: 1rem; }
.hidden  { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.w-full  { width: 100%; }

/* ── Buttons ────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .55rem 1.25rem; border-radius: 8px;
  font-size: .9rem; font-weight: 600; cursor: pointer;
  border: 2px solid transparent; transition: all .18s; white-space: nowrap;
  font-family: inherit; line-height: 1;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--accent); }
.btn-blue  { background: var(--blue); color: #fff; }
.btn-blue:hover { background: #1d4ed8; }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--light); }
.btn-ghost  { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-ghost:hover { background: var(--light); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #b91c1c; }
.btn-success{ background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-sm { padding: .35rem .75rem; font-size: .82rem; }
.btn-xs { padding: .22rem .55rem; font-size: .75rem; border-radius: 5px; }
.btn-add { background: var(--light); color: var(--accent); border: 1.5px dashed var(--accent); }
.btn-add:hover { background: #dce7f5; }
.btn-icon { padding: .45rem; border-radius: 7px; }
.btn-icon svg { width:16px;height:16px; }

/* ── Forms ──────────────────────────────── */
.field { display: flex; flex-direction: column; gap: .3rem; }
.field label { font-size: .78rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.field input, .field textarea, .field select {
  border: 1.5px solid var(--border); border-radius: 7px;
  padding: .5rem .75rem; font-size: .92rem; font-family: inherit;
  transition: border-color .18s, box-shadow .18s;
  background: var(--white); color: var(--text);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.field textarea { resize: vertical; min-height: 70px; }
.field input.invalid, .field textarea.invalid, .field select.invalid {
  border-color: #ef4444 !important; background: #fff8f8;
}
.field-err { font-size: .74rem; color: #ef4444; min-height: .85rem; margin-top: -.1rem; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .75rem center; padding-right: 2rem; }

.form-grid  { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-grid-3  { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
.form-grid-4  { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }

/* ── Cards ──────────────────────────────── */
.card {
  background: var(--white); border-radius: var(--r);
  border: 1px solid var(--border); padding: 1.5rem;
  box-shadow: var(--shadow);
}
.card-sm { padding: 1rem; }
.card h2 {
  font-size: 1rem; color: var(--navy); margin-bottom: 1.2rem;
  padding-bottom: .6rem; border-bottom: 2px solid var(--light);
  display: flex; align-items: center; gap: .5rem;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.2rem;
}

/* ── Stat cards ─────────────────────────── */
.stat-card {
  background: var(--white); border-radius: var(--r);
  border: 1px solid var(--border); padding: 1.25rem 1.5rem;
  display: flex; flex-direction: column; gap: .3rem;
}
.stat-card .label { font-size: .78rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.stat-card .value { font-size: 1.9rem; font-weight: 700; color: var(--navy); }
.stat-card .sub  { font-size: .8rem; color: var(--muted); }
.stat-card.accent .value { color: var(--blue); }
.stat-card.green  .value { color: var(--success); }
.stat-card.warn  .value { color: var(--warn); }

/* ── Tables ─────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--r); border: 1px solid var(--border); }
table.data { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.data thead { background: var(--navy); }
table.data thead th { color: #fff; padding: .7rem 1rem; font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; text-align: left; white-space: nowrap; }
table.data tbody tr { border-bottom: 1px solid var(--border); transition: background .12s; }
table.data tbody tr:hover { background: var(--lighter); }
table.data tbody td { padding: .7rem 1rem; vertical-align: middle; }
table.data tbody td.actions { white-space: nowrap; text-align: right; display: flex; gap: .5rem; justify-content: flex-end; align-items: center; }
/* Ensure action buttons have a minimum tap area */
table.data tbody td.actions .btn-xs { min-height: 28px; min-width: 28px; display:inline-flex; align-items:center; justify-content:center; }

/* ── Badges ─────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: .2rem .65rem; border-radius: 20px;
  font-size: .72rem; font-weight: 600; white-space: nowrap;
}
.badge-blue  { background: #dbeafe; color: #1e40af; }
.badge-green  { background: #dcfce7; color: #15803d; }
.badge-yellow  { background: #fef3c7; color: #92400e; }
.badge-red  { background: #fee2e2; color: #991b1b; }
.badge-grey  { background: var(--light); color: var(--muted); }
.badge-navy  { background: var(--navy); color: #fff; }
.badge-orange  { background: #ffedd5; color: #c2410c; }

/* ── Data table ───────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.data-table th {
  text-align: left; padding: .55rem .75rem;
  background: var(--lighter); color: var(--muted);
  font-weight: 600; font-size: .78rem; text-transform: uppercase;
  letter-spacing: .03em; border-bottom: 1.5px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: .6rem .75rem; border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tbody tr:hover { background: var(--lighter); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ── Toast ──────────────────────────────── */
#toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  background: var(--navy); color: #fff;
  padding: .75rem 1.4rem; border-radius: 9px;
  font-size: .9rem; box-shadow: var(--shadow2);
  opacity: 0; transform: translateY(8px);
  transition: opacity .25s, transform .25s;
  pointer-events: none; z-index: 9999; max-width: 340px;
}
#toast.show { opacity: 1; transform: none; }
#toast.error { background: var(--danger); }
#toast.success { background: var(--success); }

/* ── Modal ──────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 500;
  align-items: center; justify-content: center; padding: 1rem;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--white); border-radius: 14px;
  padding: 2rem; width: 100%; max-width: 560px;
  box-shadow: var(--shadow2); max-height: 90vh; overflow-y: auto;
}
.modal h3 { font-size: 1.1rem; margin-bottom: 1.2rem; color: var(--navy); }
.modal-footer { display: flex; gap: .75rem; justify-content: flex-end; margin-top: 1.5rem; }

/* ── Loading spinner ────────────────────── */
#loading {
  display: none; position: fixed; inset: 0;
  background: rgba(26,26,46,.5); z-index: 600;
  align-items: center; justify-content: center; flex-direction: column; gap: 1rem; color: #fff;
}
#loading.show { display: flex; }
.spinner {
  width: 44px; height: 44px; border: 4px solid rgba(255,255,255,.25);
  border-top-color: #fff; border-radius: 50%;
  animation: spin .75s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Tabs ───────────────────────────────── */
.tabs { display: flex; gap: .25rem; border-bottom: 2px solid var(--border); margin-bottom: 1.5rem; }
.tab-btn {
  padding: .55rem 1.1rem; font-size: .88rem; font-weight: 600;
  background: none; border: none; cursor: pointer; color: var(--muted);
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: color .15s, border-color .15s; border-radius: 6px 6px 0 0;
  font-family: inherit;
}
.tab-btn:hover { color: var(--navy); }
.tab-btn.active { color: var(--navy); border-color: var(--navy); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Search / Filter bar ────────────────── */
.filter-bar { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; margin-bottom: 1.25rem; }
.filter-bar input { flex: 1; min-width: 200px; border: 1.5px solid var(--border); border-radius: 8px; padding: .5rem .85rem; font-size: .9rem; font-family: inherit; }
.filter-bar input:focus { outline: none; border-color: var(--blue); }

/* ── Responsive ─────────────────────────── */
@media (max-width: 900px) {
  .form-grid-3, .form-grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .form-grid, .form-grid-3, .form-grid-4 { grid-template-columns: 1fr; }
  .card { padding: 1rem; }
  .modal { padding: 1.25rem; max-width: calc(100vw - 2rem); }
  .modal-footer { flex-wrap: wrap; }
  .modal-footer .btn { flex: 1; min-width: 100px; justify-content: center; }
  #toast { right: .75rem; left: .75rem; max-width: unset; bottom: 1rem; text-align: center; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-bar input { min-width: unset; }
  .tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; -webkit-overflow-scrolling: touch; }
  .tab-btn { white-space: nowrap; flex-shrink: 0; }
  table.data tbody td { word-break: break-word; }
}
@media (max-width: 480px) {
  .card { padding: .85rem; }
  .stat-card { padding: 1rem; }
  .stat-card .value { font-size: 1.5rem; }
  .modal { border-radius: 12px; padding: 1rem; max-width: calc(100vw - 1rem); }
  .btn { min-height: 40px; }
  .btn-sm { min-height: 34px; }
}