/* ============================================================
   TIDAL UI KIT · NAVIGATION & FEEDBACK
   Tabs, breadcrumb, pagination, alerts, banners, toasts, progress,
   skeletons, empty states, modal, dropdown, tooltip.
   Top nav (.tdl-topbar) and sidebar (.tdl-side) are owned by the
   shared chrome kit (chrome.css) — never restated here.
   ============================================================ */

/* —— Breadcrumb ———————————————————————— */
.tdl-crumb { display: flex; align-items: center; gap: 8px;
  font-family: var(--tdl-font-display); font-weight: 900; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--tdl-fg-3); }
.tdl-crumb .sep { color: var(--tdl-fg-5); }
.tdl-crumb .now { color: var(--tdl-fg); }

/* —— Tabs ——————————————————————————— */
.tdl-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--tdl-hairline); }
.tdl-tab {
  background: transparent; border: 0; padding: 12px 16px; cursor: pointer;
  font-family: var(--tdl-font-display); font-weight: 700; font-size: 11px;
  letter-spacing: 0.12em; color: var(--tdl-fg-3); text-transform: uppercase;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tdl-tab:hover { color: var(--tdl-fg); }
.tdl-tab.is-active { color: var(--tdl-fg); border-bottom-color: var(--tdl-accent); }

/* —— Pagination ——————————————————————— */
.tdl-pagination { display: inline-flex; gap: 4px; }
.tdl-pagination .page {
  min-width: 32px; height: 32px; padding: 0 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--tdl-surf-1); border: 1px solid var(--tdl-hairline-2);
  border-radius: var(--tdl-radius-md); cursor: pointer;
  font-family: var(--tdl-font-body); font-variant-numeric: tabular-nums;
  font-size: var(--tdl-fs-sm); color: var(--tdl-fg);
}
.tdl-pagination .page:hover { border-color: var(--tdl-hairline-3); }
.tdl-pagination .page.is-active { background: var(--tdl-accent); color: var(--tdl-accent-fg); border-color: var(--tdl-accent); }

/* —— Alert ————————————————————————————— */
.tdl-alert {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 16px; border: 1px solid var(--tdl-hairline-2);
  border-left: 3px solid var(--tdl-fg-4);
  border-radius: var(--tdl-radius-md); background: var(--tdl-surf-1);
}
.tdl-alert .title { font-family: var(--tdl-font-display); font-weight: 900; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }
.tdl-alert .body { font-family: var(--tdl-font-body); font-size: var(--tdl-fs-sm); color: var(--tdl-fg-2); margin-top: 4px; }
.tdl-alert-info { border-left-color: var(--tdl-info); }
.tdl-alert-info .title { color: var(--tdl-info); }
.tdl-alert-pos { border-left-color: var(--tdl-pos); }
.tdl-alert-pos .title { color: var(--tdl-pos); }
.tdl-alert-warn { border-left-color: var(--tdl-warn); }
.tdl-alert-warn .title { color: var(--tdl-warn); }
.tdl-alert-neg { border-left-color: var(--tdl-neg); }
.tdl-alert-neg .title { color: var(--tdl-neg); }

/* —— Banner (full-width) ——————————————— */
.tdl-banner {
  display: flex; align-items: center; gap: 12px;
  padding: 10px var(--tdl-space-6); border-bottom: 1px solid var(--tdl-hairline);
  background: var(--tdl-surf-1); font-family: var(--tdl-font-body); font-size: var(--tdl-fs-sm);
}
.tdl-banner-accent { background: var(--tdl-accent); color: var(--tdl-accent-fg); border-bottom-color: var(--tdl-accent); }
.tdl-banner-accent a { color: var(--tdl-accent-fg); text-decoration: underline; }

/* —— Progress ————————————————————————— */
.tdl-progress { width: 100%; height: 4px; background: var(--tdl-surf-3); border-radius: 999px; overflow: hidden; }
.tdl-progress > .bar { height: 100%; background: var(--tdl-accent); transition: width var(--tdl-dur-slow); }
.tdl-progress-lg { height: 8px; }

/* —— Skeleton ————————————————————————— */
.tdl-skeleton { background: linear-gradient(90deg, var(--tdl-surf-2) 0%, var(--tdl-surf-3) 50%, var(--tdl-surf-2) 100%); background-size: 200% 100%; border-radius: var(--tdl-radius-sm); animation: tdl-shimmer 1.4s linear infinite; }
.tdl-skeleton-text { height: 12px; }
.tdl-skeleton-line { height: 16px; }
.tdl-skeleton-block { height: 80px; border-radius: var(--tdl-radius-md); }
@keyframes tdl-shimmer { from { background-position: 100% 0; } to { background-position: -100% 0; } }

/* —— Spinner —————————————————————————— */
.tdl-spinner { width: 18px; height: 18px; border: 2px solid var(--tdl-hairline-3); border-top-color: var(--tdl-accent); border-radius: 50%; animation: tdl-spin 0.8s linear infinite; display: inline-block; }
@keyframes tdl-spin { to { transform: rotate(360deg); } }

/* —— Empty state —————————————————————— */
.tdl-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: var(--tdl-space-12) var(--tdl-space-6); text-align: center; gap: 12px; border: 1px dashed var(--tdl-hairline-2); border-radius: var(--tdl-radius-lg); }
.tdl-empty .icon { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--tdl-hairline-3); display: inline-flex; align-items: center; justify-content: center; color: var(--tdl-fg-4); }
.tdl-empty h4 { font-family: var(--tdl-font-display); font-weight: 900; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; margin: 0; }
.tdl-empty p { font-family: var(--tdl-font-body); font-size: var(--tdl-fs-sm); color: var(--tdl-fg-3); max-width: 40ch; margin: 0; }

/* —— Modal ————————————————————————————— */
.tdl-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: none; align-items: center; justify-content: center; z-index: var(--tdl-z-modal); backdrop-filter: blur(4px); }
.tdl-modal-overlay.is-open { display: flex; }
.tdl-modal { background: var(--tdl-surf-3); border: 1px solid var(--tdl-hairline-2); border-radius: var(--tdl-radius-lg); width: min(560px, 92vw); max-height: 86vh; overflow: auto; }
.tdl-modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--tdl-hairline); }
.tdl-modal-head h3 { font-family: var(--tdl-font-display); font-weight: 900; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; margin: 0; }
.tdl-modal-body { padding: 20px; }
.tdl-modal-foot { display: flex; gap: 8px; justify-content: flex-end; padding: 14px 20px; border-top: 1px solid var(--tdl-hairline); }

/* —— Dropdown menu ——————————————————— */
.tdl-menu {
  background: var(--tdl-surf-3); border: 1px solid var(--tdl-hairline-2);
  border-radius: var(--tdl-radius-md); box-shadow: var(--tdl-shadow-2);
  padding: 6px; min-width: 180px;
}
.tdl-menu-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--tdl-radius-sm); cursor: pointer;
  font-family: var(--tdl-font-body); font-size: var(--tdl-fs-sm); color: var(--tdl-fg);
}
.tdl-menu-item:hover { background: var(--tdl-surf-4); }
.tdl-menu-divider { height: 1px; background: var(--tdl-hairline); margin: 4px 0; }

/* —— Tooltip ————————————————————————— */
.tdl-tooltip { position: relative; display: inline-flex; }
.tdl-tooltip > [data-tooltip] {
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: var(--tdl-surf-4); border: 1px solid var(--tdl-hairline-2);
  padding: 6px 10px; border-radius: var(--tdl-radius-sm);
  font-family: var(--tdl-font-body); font-size: var(--tdl-fs-xs); color: var(--tdl-fg);
  white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity var(--tdl-dur-fast);
  z-index: var(--tdl-z-overlay);
}
.tdl-tooltip:hover > [data-tooltip] { opacity: 1; }

/* —— Toast ——————————————————————————— */
.tdl-toast-host { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: var(--tdl-z-toast); }
.tdl-toast { background: var(--tdl-surf-3); border: 1px solid var(--tdl-hairline-2); border-radius: var(--tdl-radius-md); padding: 12px 14px; box-shadow: var(--tdl-shadow-2); min-width: 260px; display: flex; align-items: flex-start; gap: 10px; animation: tdl-slide-in var(--tdl-dur-med) var(--tdl-ease-out); }
.tdl-toast .body { font-size: var(--tdl-fs-sm); }
.tdl-toast .title { font-family: var(--tdl-font-display); font-weight: 900; font-size: var(--tdl-fs-2xs); letter-spacing: var(--tdl-tracking-label); text-transform: uppercase; }
.tdl-toast-pos { border-left: 3px solid var(--tdl-pos); }
.tdl-toast-neg { border-left: 3px solid var(--tdl-neg); }
@keyframes tdl-slide-in { from { transform: translateY(8px); opacity: 0; } }

/* —— Accordion ———————————————————————— */
.tdl-accordion { border-top: 1px solid var(--tdl-hairline); }
.tdl-accordion-item { border-bottom: 1px solid var(--tdl-hairline); }
.tdl-accordion-trigger { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; padding: 18px 0; background: transparent; border: 0; cursor: pointer; color: var(--tdl-fg); text-align: left; font-family: var(--tdl-font-display); font-weight: 900; font-size: 14px; letter-spacing: 0.04em; text-transform: uppercase; }
.tdl-accordion-trigger .icon { transition: transform var(--tdl-dur-fast); color: var(--tdl-fg-3); }
.tdl-accordion-item.is-open .tdl-accordion-trigger .icon { transform: rotate(45deg); color: var(--tdl-accent); }
.tdl-accordion-panel { display: none; padding: 0 0 18px; color: var(--tdl-fg-2); font-family: var(--tdl-font-body); font-size: var(--tdl-fs-sm); line-height: var(--tdl-lh-body); max-width: 70ch; }
.tdl-accordion-item.is-open .tdl-accordion-panel { display: block; }