/* ==========================================================
   TT AMBASSADOR PORTAL — Core design system
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Palette */
  --ink: #0A0A0A;
  --bone: #FAFAF8;
  --charcoal: #1C1C1B;
  --gray-warm: #8A8578;
  --gray-line: #DEDAD0;
  --beige: #E9E4D8;
  --brass: #B08D57;
  --red: #A3352B;
  --green: #3C5C3E;

  /* Type */
  --font-display: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --shadow-card: 0 1px 2px rgba(10,10,10,0.04), 0 1px 12px rgba(10,10,10,0.03);
  --transition: 160ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bone);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}

p { margin: 0; }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

button, input, select, textarea { font-family: inherit; font-size: inherit; }

button {
  cursor: pointer;
  border: none;
  background: none;
}

button:disabled { cursor: not-allowed; opacity: 0.5; }

.mono { font-family: var(--font-mono); font-feature-settings: "tnum"; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-warm);
}

/* Focus visibility (accessibility floor) */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

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

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 24px;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--ink);
  color: var(--bone);
}
.btn-primary:hover:not(:disabled) { background: var(--charcoal); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-secondary:hover:not(:disabled) { background: var(--ink); color: var(--bone); }

.btn-ghost {
  background: transparent;
  color: var(--gray-warm);
  padding: 8px 12px;
  min-height: auto;
}
.btn-ghost:hover:not(:disabled) { color: var(--ink); }

.btn-danger {
  background: transparent;
  color: var(--red);
  border: 1px solid var(--red);
}
.btn-danger:hover:not(:disabled) { background: var(--red); color: var(--bone); }

.btn-block { width: 100%; }

/* ---------------- Forms ---------------- */
.field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }

.field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-warm);
}

.field input, .field select, .field textarea {
  border: 1px solid var(--gray-line);
  background: var(--bone);
  padding: 12px 14px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  color: var(--ink);
  transition: border-color var(--transition);
}

.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--ink);
  outline: none;
}

.field .error-text {
  font-size: 13px;
  color: var(--red);
  display: none;
}
.field.has-error input { border-color: var(--red); }
.field.has-error .error-text { display: block; }

.field .hint { font-size: 12px; color: var(--gray-warm); }

/* ---------------- Cards ---------------- */
.card {
  background: #fff;
  border: 1px solid var(--gray-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

/* ---------------- Status pills ---------------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
}
.pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.pill-pending, .pill-submitted, .pill-under_review { color: var(--brass); }
.pill-approved { color: var(--green); }
.pill-paid { color: var(--green); }
.pill-cancelled, .pill-rejected { color: var(--red); }

/* ---------------- Toasts ---------------- */
#toast-root {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.toast {
  background: var(--ink);
  color: var(--bone);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  max-width: 340px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  animation: toast-in 200ms ease-out;
}
.toast.toast-error { background: var(--red); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------------- Loading ---------------- */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(0,0,0,0.15);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.skeleton {
  background: linear-gradient(90deg, var(--beige) 25%, #f2efe6 37%, var(--beige) 63%);
  background-size: 400% 100%;
  animation: skeleton-loading 1.4s ease infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-loading {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

/* ---------------- Empty state ---------------- */
.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--gray-warm);
}
.empty-state .eyebrow { display: block; margin-bottom: var(--space-2); }

/* ---------------- Modal ---------------- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(10,10,10,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 900;
  padding: var(--space-4);
}
.modal {
  background: var(--bone);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-close {
  position: absolute;
  top: var(--space-4); right: var(--space-4);
}

/* ---------------- Utility ---------------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-5); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap;
}