/**
 * ARTIC Drivers' Hours — UX10 polish layer
 * Artifis charcoal + red accent · Montserrat · 44px targets · mobile shell
 * Loaded after style.css — no feature removal, visual/layout only.
 */

:root {
  --artic-red: var(--ups-gold, #ffb500);
  --artic-red-dark: #c99400;
  --artic-charcoal: var(--ups-brown-mid, #5c3317);
  --artic-charcoal-dark: var(--ups-brown, #351c15);
  --artic-charcoal-darker: var(--ups-marketing-bg-bottom, #1a0f0c);
  --artic-border-subtle: rgba(255, 181, 0, 0.22);
  --dh-font: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  --dh-touch: 44px;
  --dh-radius: 10px;
  --dh-accent: var(--ups-gold, #ffb500);
  --dh-accent-soft: rgba(255, 181, 0, 0.12);
  --artic-navy: var(--ups-brown, #351c15);
  --artic-navy-dark: var(--ups-marketing-bg-bottom, #1a0f0c);
  --artic-blue: var(--ups-gold, #ffb500);
  --dh-army-red: var(--ups-gold, #ffb500);
  --dh-focus-ring: rgba(255, 181, 0, 0.28);
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--dh-font);
  background-image: linear-gradient(180deg, #ececed 0%, var(--dh-bg) 10rem);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

body :focus {
  outline: none;
}

body :focus-visible {
  outline: 3px solid var(--ups-gold, #ffb500);
  outline-offset: 2px;
}

/* ── Header (charcoal + red accent) ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 800;
  background: var(--artic-charcoal-dark);
  border-bottom: 3px solid var(--artic-red);
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.28);
}

.site-header .wrap,
.dh-header-wrap {
  padding-left: max(1rem, env(safe-area-inset-left, 0));
  padding-right: max(1rem, env(safe-area-inset-right, 0));
}

.dh-header-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
}

.dh-header-wrap > .brand {
  flex: 1 1 auto;
  min-width: 0;
}

.dh-header-menu-btn {
  display: none;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: var(--dh-touch);
  height: var(--dh-touch);
  margin: 0;
  padding: 0;
  border: 1px solid var(--artic-border-subtle);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
}

.dh-header-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 1px;
  background: currentColor;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.dh-header-menu-btn--open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.dh-header-menu-btn--open span:nth-child(2) {
  opacity: 0;
}

.dh-header-menu-btn--open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.dh-header-backdrop {
  position: fixed;
  inset: 0;
  z-index: 750;
  border: 0;
  margin: 0;
  padding: 0;
  background: rgba(0, 0, 0, 0.45);
  cursor: pointer;
}

.dh-header-backdrop[hidden] {
  display: none !important;
}

.dh-header-menu {
  display: contents;
}

.tab-nav {
  gap: 0.5rem;
}

.tab-btn {
  min-height: var(--dh-touch);
  padding: 0.45rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
}

.tab-btn.is-active {
  background: var(--artic-red);
  border-color: var(--artic-red);
  color: var(--ups-text-on-gold, var(--dh-text-on-gold, #351c15));
  box-shadow: inset 0 -2px 0 rgba(53, 28, 21, 0.15);
}

.header-actions {
  gap: 0.5rem;
}

.header-actions .btn {
  min-height: var(--dh-touch);
  border-radius: 8px;
  font-size: 0.875rem;
}

@media (max-width: 899px) {
  .dh-header-menu-btn {
    display: inline-flex;
  }

  .dh-header-menu {
    display: none;
    position: fixed;
    top: var(--dh-header-offset, 4.5rem);
    right: max(0.75rem, env(safe-area-inset-right, 0));
    left: max(0.75rem, env(safe-area-inset-left, 0));
    z-index: 850;
    flex-direction: column;
    gap: 0.75rem;
    max-height: calc(100dvh - var(--dh-header-offset, 4.5rem) - 1rem);
    overflow: auto;
    padding: 1rem;
    border-radius: 12px;
    background: var(--artic-charcoal-darker);
    border: 1px solid var(--artic-border-subtle);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  }

  .dh-header-menu--open {
    display: flex;
  }

  .dh-header-menu .tab-nav {
    order: 1;
    width: 100%;
    flex-direction: column;
  }

  .dh-header-menu .tab-btn {
    width: 100%;
    justify-content: flex-start;
  }

  .dh-header-menu .header-actions {
    order: 2;
    width: 100%;
    flex-direction: column;
  }

  .dh-header-menu .header-actions .btn {
    width: 100%;
    justify-content: flex-start;
  }

  body.dh-header-menu-open {
    overflow: hidden;
  }
}

@media (min-width: 900px) {
  .dh-header-wrap {
    flex-wrap: nowrap;
  }

  .dh-header-menu {
    display: flex;
    flex: 1 1 auto;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem 1rem;
    min-width: 0;
  }

  .tab-nav {
    order: 0;
    width: auto;
    flex: 0 1 auto;
  }

  .header-actions {
    order: 1;
    width: auto;
    flex: 0 1 auto;
    justify-content: flex-end;
  }
}

/* ── Buttons & forms ── */
.btn {
  min-height: var(--dh-touch);
  border-radius: 8px;
}

.btn-sm {
  min-height: var(--dh-touch);
  min-width: var(--dh-touch);
  padding: 0.45rem 0.75rem;
  font-size: 0.82rem;
}

.btn-primary {
  background: var(--artic-red);
  border-color: var(--artic-red);
}

.btn-primary:hover {
  background: var(--artic-red-dark);
  border-color: var(--artic-red-dark);
}

main .btn:hover,
.modal-dialog .btn:hover {
  border-color: var(--artic-charcoal);
}

.field label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--dh-muted);
}

.field input[type="text"],
.field input[type="date"],
.field input[type="tel"],
.field input[type="password"],
.field input[type="number"],
.field input[type="email"],
.field select,
.field textarea,
.cell-input {
  min-height: var(--dh-touch);
  font-size: 1rem;
  border-radius: 8px;
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.cell-input:focus {
  border-color: var(--artic-red);
  box-shadow: 0 0 0 3px var(--dh-focus-ring);
}

.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea,
.field input:required:invalid:not(:focus):not(:placeholder-shown),
.field textarea:required:invalid:not(:focus):not(:placeholder-shown),
.field select:required:invalid:not(:focus) {
  border-color: var(--artic-red);
  box-shadow: 0 0 0 2px rgba(237, 28, 36, 0.18);
}

.field-error-msg,
.req {
  color: var(--artic-red);
}

/* ── Cards & panels ── */
.panel {
  border-radius: 12px;
  border-top: 3px solid var(--artic-red);
  box-shadow: 0 2px 12px rgba(47, 47, 48, 0.08);
  margin-bottom: 1.25rem;
}

.panel h2 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--artic-charcoal-dark);
  border-bottom-color: #e8e8ea;
  padding-bottom: 0.65rem;
}

.meta-grid {
  gap: 1.15rem;
}

.wrap,
main.wrap {
  padding-left: max(1rem, env(safe-area-inset-left, 0));
  padding-right: max(1rem, env(safe-area-inset-right, 0));
}

/* ── Sticky driver zone ── */
.sticky-driver-zone {
  top: 0;
  z-index: 700;
}

.tacho-symbol-bar {
  border-bottom: 3px solid var(--ups-gold, var(--artic-red));
  background: var(--ups-brown, var(--artic-charcoal-dark));
  color: var(--ups-text-on-brown, #fdfbf7);
}

.tacho-bar-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.tacho-bar-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(253, 251, 247, 0.85);
}

.tacho-bar-hint {
  font-size: 0.8rem;
  line-height: 1.45;
  color: rgba(253, 251, 247, 0.72);
  margin: 0.35rem 0 0.5rem;
}

@media (max-width: 520px) {
  .tacho-bar-hint {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

.tacho-symbol-btn {
  min-height: var(--dh-touch);
  min-width: var(--dh-touch);
  border-radius: 10px;
}

.tacho-symbols-row {
  gap: 0.5rem;
}

.shift-status-bar {
  background: var(--artic-charcoal-dark);
  border-bottom-color: var(--artic-red);
}

.shift-status-toggle {
  min-height: var(--dh-touch);
  padding-block: 0.5rem;
  font-size: 0.875rem;
}

.shift-status-mode {
  background: var(--artic-red);
  color: var(--ups-text-on-gold, var(--dh-text-on-gold, #351c15));
  border-color: var(--artic-red-dark);
}

.shift-quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.shift-quick-actions .btn,
.shift-quick-actions .btn-sm {
  width: 100%;
  justify-content: center;
  text-align: center;
  white-space: normal;
  line-height: 1.25;
}

.shift-quick-actions .btn-primary {
  grid-column: 1 / -1;
}

.copilot-fallback-actions,
.shift-awaiting-vehicle-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.copilot-fallback-actions .btn-sm,
.shift-awaiting-vehicle-actions .btn-sm {
  flex: 1 1 calc(50% - 0.25rem);
}

/* ── Tables (mobile readability) ── */
.table-scroll {
  border-radius: 10px;
  border: 1px solid var(--dh-border);
  -webkit-overflow-scrolling: touch;
}

.log-table-compact thead th {
  font-size: clamp(0.62rem, 2vw, 0.75rem);
  padding: 0.35rem 0.15rem;
}

.log-table-compact tbody td,
.log-table-compact tbody th.day-label {
  padding: 0.28rem 0.12rem;
}

.log-panel {
  border-radius: 12px;
}

.log-panel-head {
  gap: 0.65rem;
  margin-bottom: 0.65rem;
}

/* ── Modals & gates ── */
.modal-dialog,
.shift-gate-card {
  border-radius: 14px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.22);
}

.shift-gate-card h2 {
  color: var(--artic-charcoal-dark);
}

.btn-arrival.is-selected {
  border-color: var(--artic-red);
  background: var(--dh-accent-soft);
  box-shadow: inset 0 0 0 1px var(--artic-red);
}

.btn-arrival-title {
  color: var(--artic-charcoal-dark);
}

/* ── Compliance & chips ── */
.compliance-strip.status-green {
  border-left-color: var(--dh-ok);
}

.chip {
  border-radius: 999px;
  min-height: 1.75rem;
  display: inline-flex;
  align-items: center;
}

.wf-progress-bar {
  background: linear-gradient(90deg, var(--artic-charcoal), var(--artic-red));
}

/* ── Shift gates / marketing consistency inside app ── */
.shift-contacts-details summary,
.shift-vehicles-details summary {
  color: var(--artic-charcoal);
  min-height: var(--dh-touch);
  display: flex;
  align-items: center;
}

/* Embed mode: keep compact */
body.dh-embed .dh-header-menu-btn {
  display: none !important;
}

body.dh-embed .dh-header-menu {
  display: flex !important;
  position: static;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  max-height: none;
  overflow: visible;
}

/* ── DEV compare build banner (/drivers-hours-dev/) ── */
.artic-dev-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10050;
  background: linear-gradient(90deg, #8b0000, #b30000);
  color: #fff;
  text-align: center;
  font: 700 12px/1.35 var(--dh-font);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.28);
}

.artic-dev-banner-link {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

body.artic-dev-build {
  padding-top: 40px;
}

body.artic-dev-build .site-header {
  top: 40px;
}

body.artic-dev-build .shift-status-bar {
  top: calc(40px + var(--shift-bar-offset, 0px));
}