/* =====================================================================
   Flag System Dashboard — styles.css
   Light-surface adaptation of Strong Standard Brand Kit for dense
   operational work. Brand colors retained as accents and semantic.
   ===================================================================== */

:root {
  /* Brand palette — kept as accents */
  --navy-900: #080D1A;
  --navy-800: #0D1526;
  --navy-700: #111C30;

  --steel-700: #1A5F8A;
  --steel-600: #2278AC;
  --steel-400: #3899CC;
  --steel-100: #A8CDE0;
  --steel-tint: #E8F1F7;

  /* Light-surface neutrals (ops-friendly) */
  --bg: #F5F7FA;
  --surface: #FFFFFF;
  --surface-2: #FAFBFC;
  --border: #E4E8EE;
  --border-strong: #D1D7E0;

  /* Text */
  --text: #0D1526;
  --text-muted: #5A6B82;
  --text-faint: #8A9BB0;

  /* Semantic */
  --green: #1F9D5F;
  --green-bg: #E5F6EC;
  --yellow: #C28A1A;
  --yellow-bg: #FBF1DA;
  --red: #C13B3B;
  --red-bg: #FBE5E5;
  --black-flag: #1A1A1A;

  /* Typography */
  --font-display: "Bebas Neue", "Impact", sans-serif;
  --font-body: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout */
  --container: 1280px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(13, 21, 38, 0.04);
  --shadow: 0 1px 3px rgba(13, 21, 38, 0.06), 0 1px 2px rgba(13, 21, 38, 0.04);
  --shadow-lg: 0 12px 32px rgba(13, 21, 38, 0.12), 0 4px 8px rgba(13, 21, 38, 0.06);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; }

.hidden { display: none !important; }

/* ---------- Top bar ---------- */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy-900);
  color: #fff;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.brand { display: flex; align-items: baseline; gap: 14px; }
.brand-mark {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.08em;
  color: #fff;
}
.brand-sub {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel-400);
  font-weight: 600;
}
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.refresh-meta {
  font-size: 12px;
  color: var(--steel-100);
  letter-spacing: 0.02em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 120ms ease;
  white-space: nowrap;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--steel-600);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  background: var(--steel-400);
  transform: translateY(-1px);
}
.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-color: rgba(255,255,255,0.2);
}
.btn-secondary:hover:not(:disabled) {
  background: rgba(255,255,255,0.16);
}
.tab-panel .btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
.tab-panel .btn-secondary:hover:not(:disabled) {
  background: var(--steel-tint);
  border-color: var(--steel-400);
  color: var(--steel-700);
}
.btn-icon {
  display: inline-block;
  font-size: 14px;
  line-height: 1;
}

/* Inline action buttons inside rows */
.action-btn {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: all 120ms ease;
}
.action-btn:hover:not(:disabled) {
  border-color: var(--steel-400);
  color: var(--steel-700);
  background: var(--steel-tint);
}
.action-btn.action-btn-primary {
  background: var(--steel-600);
  color: #fff;
  border-color: var(--steel-600);
}
.action-btn.action-btn-primary:hover:not(:disabled) {
  background: var(--steel-400);
  border-color: var(--steel-400);
}
.action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------- Tab nav ---------- */
.tab-nav {
  display: flex;
  gap: 4px;
  padding: 0 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 60px;
  z-index: 40;
}
.tab-btn {
  background: transparent;
  border: none;
  padding: 14px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 120ms ease;
  letter-spacing: 0.01em;
}
.tab-btn:hover {
  color: var(--text);
}
.tab-btn.is-active {
  color: var(--steel-700);
  border-bottom-color: var(--steel-600);
  font-weight: 600;
}

/* ---------- Main / panels ---------- */
.main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px 32px 64px;
}
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

.placeholder {
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 64px 32px;
  text-align: center;
  color: var(--text-muted);
}
.placeholder h2 {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.04em;
  color: var(--navy-800);
  margin: 0 0 8px;
}
.placeholder p { margin: 0; font-size: 14px; }

/* ---------- Loading + error ---------- */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  color: var(--text-muted);
}
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--steel-600);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
  margin-bottom: 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.error-state {
  background: var(--surface);
  border: 1px solid var(--red);
  border-left-width: 4px;
  border-radius: var(--radius);
  padding: 24px;
  color: var(--text);
}
.error-state h2 {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--red);
}
.error-state p {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--text-muted);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

/* ---------- Queue content (Tab 1) ---------- */
.queue-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
}
.queue-header h1 {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: 0.04em;
  color: var(--navy-900);
  margin: 0 0 4px;
}
.queue-header .week-label {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}
.queue-summary {
  display: flex;
  gap: 24px;
  margin-bottom: 20px;
}
.summary-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  flex: 1;
  min-width: 0;
}
.summary-stat .stat-value {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.02em;
  color: var(--navy-800);
  line-height: 1;
  margin-bottom: 4px;
}
.summary-stat .stat-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 600;
}

.queue-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.queue-section-header {
  padding: 16px 20px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.queue-section-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel-700);
  margin: 0;
}
.queue-section-count {
  font-size: 12px;
  color: var(--text-muted);
}

/* Coach group */
.coach-group {
  border-bottom: 1px solid var(--border);
}
.coach-group:last-child { border-bottom: none; }
.coach-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  cursor: pointer;
  user-select: none;
  background: var(--surface);
  transition: background 120ms ease;
}
.coach-group-header:hover { background: var(--surface-2); }
.coach-group-header .caret {
  display: inline-block;
  width: 12px;
  margin-right: 8px;
  color: var(--text-muted);
  transition: transform 120ms ease;
  font-size: 10px;
}
.coach-group.is-collapsed .caret { transform: rotate(-90deg); }
.coach-group.is-collapsed .coach-actions-list { display: none; }
.coach-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.coach-count {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 8px;
}

.coach-actions-list { padding: 0; }
.action-row {
  display: grid;
  grid-template-columns: 4px 1fr auto;
  align-items: center;
  padding: 12px 20px 12px 16px;
  border-top: 1px solid var(--border);
  gap: 16px;
  background: var(--surface);
}
.action-row .severity-bar {
  height: 100%;
  min-height: 40px;
  border-radius: 2px;
}
.action-row.sev-red .severity-bar { background: var(--red); }
.action-row.sev-yellow .severity-bar { background: var(--yellow); }
.action-row.sev-green .severity-bar { background: var(--green); }

.action-meta { min-width: 0; }
.action-client {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}
.action-detail {
  font-size: 12.5px;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}
.action-detail .pathway-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--steel-tint);
  color: var(--steel-700);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.04em;
  margin-right: 8px;
}
.action-detail .action-type-tag {
  font-weight: 500;
}
.action-detail .action-type-tag.warning { color: var(--yellow); }
.action-detail .action-type-tag.notification { color: var(--steel-600); }
.action-detail .action-type-tag.red-window { color: var(--red); font-weight: 600; }

.action-buttons {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* Completed section */
.completed-list { padding: 0; }
.completed-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  padding: 10px 20px;
  border-top: 1px solid var(--border);
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.completed-row:first-child { border-top: none; }
.completed-row .completed-client {
  color: var(--text);
  font-weight: 500;
}
.completed-row .completed-type {
  font-size: 12px;
  letter-spacing: 0.04em;
}
.completed-row .completed-time {
  font-size: 12px;
  color: var(--text-faint);
}
.completed-empty,
.section-empty {
  padding: 24px 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 13px;
  font-style: italic;
}

/* Collapsible Completed */
.queue-section.is-collapsed .queue-section-body { display: none; }
.queue-section.is-collapsible .queue-section-header { cursor: pointer; }
.queue-section.is-collapsible .queue-section-header::after {
  content: "▾";
  margin-left: 12px;
  color: var(--text-muted);
  font-size: 10px;
  transition: transform 120ms ease;
}
.queue-section.is-collapsible.is-collapsed .queue-section-header::after {
  transform: rotate(-90deg);
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(13, 21, 38, 0.55);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h2 {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.01em;
}
.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}
.modal-close:hover { background: var(--surface-2); color: var(--text); }
.modal-body {
  padding: 16px 20px;
  flex: 1;
  overflow: auto;
}
.modal-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 0 10px;
  letter-spacing: 0.02em;
}
.modal-textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.6;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  resize: vertical;
  background: var(--surface-2);
  color: var(--text);
}
.modal-textarea:focus {
  outline: none;
  border-color: var(--steel-400);
  background: var(--surface);
}
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}
.modal-footer .btn-secondary,
.modal-footer .btn-primary {
  background: var(--steel-600);
  color: #fff;
  border: none;
}
.modal-footer .btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.modal-footer .btn-secondary:hover:not(:disabled) {
  background: var(--steel-tint);
  color: var(--steel-700);
  border-color: var(--steel-400);
}
.modal-footer .btn-primary:hover:not(:disabled) {
  background: var(--steel-400);
}

/* ---------- Toast ---------- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--navy-800);
  color: #fff;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 240px;
  animation: toast-in 200ms ease;
}
.toast.toast-error {
  background: var(--red);
}
.toast.toast-success::before {
  content: "✓";
  color: var(--green);
  font-weight: 700;
}
.toast.toast-error::before {
  content: "!";
  font-weight: 700;
}
@keyframes toast-in {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .top-bar { padding: 12px 16px; }
  .tab-nav { padding: 0 16px; overflow-x: auto; }
  .main { padding: 16px; }
  .queue-header { flex-direction: column; align-items: flex-start; gap: 4px; }
  .queue-summary { flex-direction: column; gap: 8px; }
  .action-row {
    grid-template-columns: 4px 1fr;
    gap: 12px;
  }
  .action-buttons {
    grid-column: 1 / -1;
    grid-row: 2;
    margin-left: 16px;
  }
}

/* =====================================================================
   Phase 4A — Breakdown Panel + clickable tiles
   ===================================================================== */

/* ----- Clickable tiles ----- */
.tile.tile-clickable {
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}
.tile.tile-clickable:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
  border-color: var(--steel-400);
}
.tile.tile-clickable:focus {
  outline: none;
  border-color: var(--steel-400);
  box-shadow: 0 0 0 3px rgba(56, 153, 204, 0.18);
}
.tile.tile-clickable:focus:not(:focus-visible) {
  box-shadow: var(--shadow-sm);
}

/* ----- Breakdown panel root ----- */
.bp-root {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: flex;
  justify-content: flex-end;
}
.bp-root.hidden {
  display: none;
}

.bp-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 21, 38, 0.45);
  animation: bp-fade-in 140ms ease-out;
}
@keyframes bp-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.bp-panel {
  position: relative;
  width: 420px;
  max-width: 100%;
  height: 100%;
  background: var(--surface);
  box-shadow: -8px 0 24px rgba(13, 21, 38, 0.18);
  display: flex;
  flex-direction: column;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  animation: bp-slide-in 180ms cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes bp-slide-in {
  from { transform: translate3d(100%, 0, 0); }
  to { transform: translate3d(0, 0, 0); }
}

.bp-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-2);
  flex-shrink: 0;
}
.bp-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
  line-height: 1.3;
}
.bp-close {
  background: none;
  border: none;
  font-size: 26px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 10px;
  border-radius: 4px;
  margin-left: 12px;
}
.bp-close:hover {
  background: var(--border);
  color: var(--text);
}

.bp-body {
  padding: 20px 24px 24px;
  flex: 1;
  overflow-y: auto;
}

.bp-section-title {
  margin: 16px 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.bp-section-title:first-child {
  margin-top: 0;
}

.bp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 12px;
}
.bp-table thead th {
  text-align: left;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 6px 8px 8px;
  border-bottom: 1px solid var(--border);
}
.bp-table tbody td {
  padding: 9px 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}
.bp-table tbody tr:last-child td {
  border-bottom: none;
}
.bp-table tbody td:first-child {
  font-weight: 500;
}

.bp-empty {
  padding: 24px 0;
  text-align: center;
  color: var(--text-faint);
  font-style: italic;
  font-size: 13px;
}

.bp-footer-line {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* Mobile: panel takes full width */
@media (max-width: 540px) {
  .bp-panel {
    width: 100%;
  }
}