/* ============================================================
   natca-components.css  —  NATCA Design System Components v1
   Requires natca-tokens.css to be loaded first.
   ============================================================ */

/* ============================================================
   BASE RESET & GLOBAL
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--color-bg-page);
  color: var(--color-text-body);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  transition: background 0.2s, color 0.2s;
}

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  color: var(--color-text-primary);
  line-height: 1.2;
}
h1 { font-size: var(--text-4xl); font-weight: 700; }
h2 { font-size: var(--text-3xl); font-weight: 700; }
h3 { font-size: var(--text-2xl); font-weight: 600; }
h4 { font-size: var(--text-xl);  font-weight: 600; }

a { color: var(--natca-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

p.lead { font-size: var(--text-lg); line-height: 1.7; }
.eyebrow { font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: var(--color-text-muted); }

/* ============================================================
   NAVIGATION — Two-Tier Pattern
   ============================================================ */

/* Utility Bar (top, always dark) */
.nav-utility {
  background: var(--color-bg-dark);
  height: var(--nav-utility-height);
  display: flex;
  align-items: center;
}
.nav-utility__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-utility__links { display: flex; gap: var(--space-5); }
.nav-utility__links a {
  color: rgba(255,255,255,0.65);
  font-size: var(--text-xs);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.15s;
}
.nav-utility__links a:hover { color: #FFFFFF; text-decoration: none; }
.nav-utility__cta {
  background: var(--natca-red);
  color: #FFFFFF !important;
  padding: 3px var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs) !important;
  font-weight: 700 !important;
}
.nav-utility__cta:hover { background: var(--natca-red-dark); }

/* Primary Nav */
.nav-primary {
  background: var(--color-bg-surface);
  height: var(--nav-primary-height);
  box-shadow: var(--shadow-sm);
  border-bottom: 3px solid var(--natca-red);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-primary__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-primary__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}
.nav-primary__logo-icon {
  width: 44px;
  height: 44px;
  background: var(--natca-red);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -1px;
}
.nav-primary__logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-text-primary);
  letter-spacing: -0.5px;
}
.nav-primary__menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}
.nav-primary__item { position: relative; }
.nav-primary__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
}
.nav-primary__link:hover,
.nav-primary__item:hover .nav-primary__link {
  background: var(--color-bg-subtle);
  color: var(--natca-blue);
  text-decoration: none;
}
.nav-primary__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--natca-red);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  min-width: 240px;
  box-shadow: var(--shadow-md);
  list-style: none;
  padding: var(--space-2) 0;
  z-index: 200;
}
.nav-primary__item:hover .nav-primary__dropdown { display: block; }
.nav-primary__dropdown-link {
  display: block;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-body);
  transition: background 0.1s, color 0.1s;
}
.nav-primary__dropdown-link:hover {
  background: var(--color-bg-subtle);
  color: var(--natca-blue);
  text-decoration: none;
}
.nav-primary__search {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}
.nav-primary__search:hover {
  background: var(--color-bg-subtle);
  color: var(--natca-blue);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  line-height: 1;
}
.btn-sm  { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }
.btn-lg  { padding: var(--space-3) var(--space-8); font-size: var(--text-base); }

.btn-primary   { background: var(--natca-blue);  color: #FFFFFF; border-color: var(--natca-blue); }
.btn-primary:hover   { background: var(--natca-blue-dark); border-color: var(--natca-blue-dark); text-decoration: none; color: #fff; }

/* Secondary Option A: navy outline */
.btn-secondary-outline { background: transparent; color: var(--natca-blue); border-color: var(--natca-blue); }
.btn-secondary-outline:hover { background: var(--natca-blue); color: #FFFFFF; text-decoration: none; }

/* Secondary Option B: soft navy fill */
.btn-secondary-soft { background: #CEDAE8; color: var(--natca-blue); border-color: #CEDAE8; }
.btn-secondary-soft:hover { background: var(--natca-blue); color: #FFFFFF; border-color: var(--natca-blue); text-decoration: none; }

/* Secondary Option C: red outline (pairs with navy primary) */
.btn-secondary-red { background: transparent; color: var(--natca-red); border-color: var(--natca-red); }
.btn-secondary-red:hover { background: var(--natca-red); color: #FFFFFF; text-decoration: none; }

/* Default secondary = outline for backward compat */
.btn-secondary { background: transparent; color: var(--natca-blue); border-color: var(--natca-blue); }
.btn-secondary:hover { background: var(--natca-blue); color: #FFFFFF; text-decoration: none; }

.btn-danger    { background: var(--natca-red); color: #FFFFFF; border-color: var(--natca-red); }
.btn-danger:hover { background: var(--natca-red-dark); border-color: var(--natca-red-dark); text-decoration: none; color: #fff; }

.btn-ghost  { background: transparent; color: var(--color-text-muted); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--color-bg-subtle); color: var(--color-text-primary); text-decoration: none; }

/* Accent Option A: Sky blue */
.btn-accent-sky { background: #1A8FD1; color: #FFFFFF; border-color: #1A8FD1; }
.btn-accent-sky:hover { background: #1478B0; border-color: #1478B0; text-decoration: none; color: #fff; }

/* Accent Option B: Teal */
.btn-accent-teal { background: #00796B; color: #FFFFFF; border-color: #00796B; }
.btn-accent-teal:hover { background: #00695C; border-color: #00695C; text-decoration: none; color: #fff; }

/* Accent Option C: Gold */
.btn-accent-gold { background: #8D6E00; color: #FFFFFF; border-color: #8D6E00; }
.btn-accent-gold:hover { background: #755C00; border-color: #755C00; text-decoration: none; color: #fff; }

/* Legacy — will be removed once accent is chosen */
.btn-accent { background: var(--natca-red); color: #FFFFFF; border-color: var(--natca-red); }
.btn-accent:hover { background: var(--natca-red-dark); border-color: var(--natca-red-dark); text-decoration: none; color: #fff; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.card--accent { border-top: 3px solid var(--natca-blue); }
.card--alert  { border-top: 3px solid var(--natca-red); }
.card__title  { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-text-primary); margin-bottom: var(--space-2); }
.card__meta   { font-size: var(--text-xs); color: var(--color-text-muted); margin-bottom: var(--space-3); text-transform: uppercase; letter-spacing: 0.5px; }

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge-info    { background: var(--color-info-bg);    color: var(--color-info);    }
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger  { background: var(--color-danger-bg);  color: var(--color-danger);  }
.badge-neutral { background: var(--color-bg-subtle);  color: var(--color-text-muted); }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.alert-info    { background: var(--color-info-bg);    border-color: var(--color-info);    color: var(--color-text-body); }
.alert-success { background: var(--color-success-bg); border-color: var(--color-success); color: var(--color-text-body); }
.alert-warning { background: var(--color-warning-bg); border-color: var(--color-warning); color: var(--color-text-body); }
.alert-danger  { background: var(--color-danger-bg);  border-color: var(--color-danger);  color: var(--color-text-body); }

/* ============================================================
   FORMS
   ============================================================ */
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(20,144,215,0.15);
}
.form-textarea { min-height: 100px; resize: vertical; }

/* ============================================================
   DATA TABLE
   ============================================================ */
.ds-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.ds-table th {
  background: var(--color-bg-subtle);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 2px solid var(--color-border);
}
.ds-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-body);
}
.ds-table tr:hover td { background: var(--color-bg-subtle); }

/* ============================================================
   LOADING STATES
   ============================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg-subtle) 25%, var(--color-bg-surface) 50%, var(--color-bg-subtle) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: var(--radius);
}
@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton-text { height: 14px; margin-bottom: var(--space-2); }
.skeleton-text-sm { height: 10px; margin-bottom: var(--space-2); width: 60%; }
.skeleton-heading { height: 22px; margin-bottom: var(--space-3); width: 40%; }
.skeleton-avatar { width: 40px; height: 40px; border-radius: var(--radius-full); }
.skeleton-card { height: 120px; border-radius: var(--radius-md); }
.skeleton-row { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border-light); }

.spinner {
  width: 20px; height: 20px;
  border: 2.5px solid var(--color-border);
  border-top-color: var(--natca-blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.spinner-sm { width: 14px; height: 14px; border-width: 2px; }
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }
@keyframes spin { to { transform: rotate(360deg); } }

.progress-bar {
  height: 4px;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar__fill {
  height: 100%;
  background: var(--natca-blue);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}
.progress-bar--indeterminate .progress-bar__fill {
  width: 30% !important;
  animation: progress-indeterminate 1.5s ease-in-out infinite;
}
@keyframes progress-indeterminate {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-16) var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ============================================================
   EMPTY STATES
   ============================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-16) var(--space-6);
}
.empty-state__icon {
  width: 64px; height: 64px;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-text-faint);
}
.empty-state__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}
.empty-state__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 360px;
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

/* ============================================================
   ERROR STATES
   ============================================================ */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-16) var(--space-6);
}
.error-page__code {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 800;
  color: var(--color-text-faint);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -2px;
}
.error-page__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}
.error-page__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 420px;
  line-height: 1.6;
  margin-bottom: var(--space-6);
}
.error-inline {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-body);
}
.error-inline__icon {
  color: var(--color-danger);
  flex-shrink: 0;
  margin-top: 1px;
}
.error-inline__retry {
  margin-top: var(--space-2);
}

/* ============================================================
   TOASTS / NOTIFICATIONS
   ============================================================ */
.toast-stack {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-2);
  z-index: 10000;
  pointer-events: none;
}
.toast-stack--demo {
  position: relative;
  bottom: auto;
  right: auto;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  min-width: 320px;
  max-width: 420px;
  pointer-events: auto;
  animation: toast-in 0.25s ease-out;
  font-size: var(--text-sm);
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.toast__icon {
  flex-shrink: 0;
  margin-top: 2px;
}
.toast__content { flex: 1; }
.toast__title {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}
.toast__message {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  line-height: 1.5;
}
.toast__close {
  background: none;
  border: none;
  color: var(--color-text-faint);
  cursor: pointer;
  padding: 2px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin: -2px -2px 0 0;
}
.toast__close:hover { color: var(--color-text-primary); background: var(--color-bg-subtle); }
.toast__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  animation: toast-progress 5s linear forwards;
}
.toast--success { border-left: 3px solid var(--color-success); }
.toast--success .toast__icon { color: var(--color-success); }
.toast--error { border-left: 3px solid var(--color-danger); }
.toast--error .toast__icon { color: var(--color-danger); }
.toast--warning { border-left: 3px solid var(--color-warning); }
.toast--warning .toast__icon { color: var(--color-warning); }
.toast--info { border-left: 3px solid var(--color-info); }
.toast--info .toast__icon { color: var(--color-info); }
@keyframes toast-progress {
  from { width: 100%; }
  to { width: 0%; }
}

/* ============================================================
   TABS
   ============================================================ */

/* Container — horizontal strip with bottom border */
.ds-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Individual tab */
.ds-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}
.ds-tab:hover {
  color: var(--color-text-primary);
  text-decoration: none;
}
.ds-tab--active,
.ds-tab[aria-selected="true"] {
  color: var(--natca-blue);
  border-bottom-color: var(--natca-blue);
}

/* Tab with badge/count */
.ds-tab__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--space-1);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-body);
  color: var(--color-text-muted);
}
.ds-tab--active .ds-tab__count,
.ds-tab[aria-selected="true"] .ds-tab__count {
  background: var(--natca-blue-subtle);
  color: var(--natca-blue);
}

/* Tab panel */
.ds-tab-panel {
  padding: var(--space-6) 0;
}
.ds-tab-panel[hidden] {
  display: none;
}

/* Variant: pills (for card headers, toolbars) */
.ds-tabs--pills {
  border-bottom: none;
  gap: var(--space-1);
  background: var(--color-bg-subtle);
  border-radius: var(--radius);
  padding: 3px;
  display: inline-flex;
}
.ds-tabs--pills .ds-tab {
  border-bottom: none;
  margin-bottom: 0;
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-xs);
}
.ds-tabs--pills .ds-tab:hover {
  background: var(--color-bg-surface);
}
.ds-tabs--pills .ds-tab--active,
.ds-tabs--pills .ds-tab[aria-selected="true"] {
  background: var(--color-bg-surface);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
}

/* Variant: contained (underline with surface bg, for page-level sections) */
.ds-tabs--contained {
  background: var(--color-bg-surface);
  padding: 0 var(--space-4);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border: 1px solid var(--color-border);
  border-bottom: 2px solid var(--color-border);
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: var(--space-12) var(--space-6) var(--space-6);
  margin-top: var(--space-16);
}
footer a { color: var(--color-footer-link); }
footer a:hover { color: #FFFFFF; }