/* Reset + typography + form primitives. Theme-aware via CSS vars. */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  font-family: var(--f-body);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background: var(--bg);
  color: var(--fg);
}
[data-theme="aurora-dark"],
[data-theme="corem8"],
[data-theme="midnight"] { color-scheme: dark; }
body {
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  font-feature-settings: 'cv02','cv03','cv04','cv11';
  transition: background var(--t-med) var(--ease), color var(--t-med) var(--ease);
}
img, svg { display: block; max-width: 100%; }
a { color: var(--brand-600); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Headings — display font */
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: var(--h-weight);
  letter-spacing: var(--h-tracking);
  color: var(--fg);
  line-height: 1.18;
}
h1 { font-size: 24px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }

p { margin: 0; }
small { color: var(--fg-muted); font-size: 12px; }

ul { padding: 0; margin: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* Numeric typography helper */
.num {
  font-family: var(--f-num);
  font-weight: var(--num-weight);
  letter-spacing: var(--num-tracking);
  font-feature-settings: var(--num-feat);
}

/* Forms */
.field { display: block; margin-bottom: var(--sp-4); }
.field label, label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-muted);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

input:not([type]),
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="date"], input[type="datetime-local"], input[type="time"], input[type="tel"],
input[type="search"], input[type="url"], select, textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-elevated);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-family: var(--f-body);
  font-size: 14px;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
textarea { min-height: 96px; resize: vertical; line-height: 1.55; }
input:focus, select:focus, textarea:focus {
  outline: 0;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-500) 22%, transparent);
}
input::placeholder, textarea::placeholder { color: var(--fg-subtle); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 9px 14px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  background: var(--bg-elevated);
  color: var(--fg);
  font-family: var(--f-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.005em;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: 0; box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-500) 28%, transparent); }
.btn-primary {
  background: linear-gradient(135deg, var(--brand-grad-from), var(--brand-grad-to));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, var(--shadow-sm);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-md), var(--glow); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--fg-muted); }
.btn-ghost:hover { background: var(--bg-soft); color: var(--fg); border-color: var(--border-strong); }
.btn-danger { background: var(--accent-rose); color: #fff; }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-icon { padding: 8px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  background: var(--bg-elevated);
  box-shadow: var(--card-shadow);
}
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th, table.data td { text-align: left; padding: 13px 18px; border-bottom: 1px solid var(--border); }
table.data th {
  font-weight: 600;
  font-size: 10px;
  text-transform: uppercase;
  color: var(--fg-subtle);
  letter-spacing: 0.08em;
  background: var(--bg-soft);
  border-bottom-color: var(--border-strong);
}
table.data tbody tr { transition: background var(--t-fast) var(--ease); }
table.data tbody tr:hover { background: var(--bg-soft); }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data td.muted, table.data td .muted { color: var(--fg-muted); }

/* Flash messages */
.flash-stack { position: fixed; top: 80px; right: 24px; z-index: 60; display: flex; flex-direction: column; gap: 10px; }
.flash {
  padding: 12px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand-500);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  min-width: 280px;
  max-width: 360px;
  animation: slide-in var(--t-med) var(--ease);
}
.flash.error { border-left-color: var(--accent-rose); }
.flash.success { border-left-color: var(--accent-emerald); }
.flash.warn { border-left-color: var(--accent-amber); }
@keyframes slide-in { from { opacity: 0; transform: translateX(8px); } to { opacity: 1; transform: translateX(0); } }

/* Utility */
.muted { color: var(--fg-muted); }
.subtle { color: var(--fg-subtle); }
.row { display: flex; gap: var(--sp-4); align-items: center; }
.spacer { flex: 1; }
.grid { display: grid; gap: var(--sp-4); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.hidden { display: none !important; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.fw-700 { font-weight: 700; }

/* Selection */
::selection { background: color-mix(in srgb, var(--brand-500) 28%, transparent); }

/* Page enter transition */
.page { animation: page-fade var(--t-med) var(--ease); }
@keyframes page-fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }