/* 
  QuanaFlow Heavy Duty Workshop Operating Platform
  Display face: Fraunces
  Text face: IBM Plex Sans
  Justification: Fraunces introduces authoritative editorial warmth for workshop management headers, while IBM Plex Sans delivers disciplined technical clarity for heavy-duty VMRS codes and repair line items.
*/

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,600&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;600&display=swap');

:root {
  --bg-main: #f5f6f8;
  --bg-surface: #ffffff;
  --bg-dark: #0e141d;
  --bg-dark-subtle: #17212e;
  --border: #d4d8df;
  --border-dark: #263344;
  --text-primary: #0e141d;
  --text-secondary: #4a5668;
  --text-muted: #5e6b7d;
  --text-inverse: #f5f6f8;
  --text-inverse-muted: #9aa6b8;
  --accent: #e06a26;
  --accent-hover: #c85a1a;
  --accent-light: #fff2ea;
  --radius: 4px;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  line-height: 1.55;
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Typography Rules */
h1, h2, h3, .brand-text {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.25;
}

h1 {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  max-width: 72ch;
}

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* App Header */
.app-header {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  border-bottom: 2px solid var(--accent);
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-inverse);
}

.logo-mark {
  width: 28px;
  height: 28px;
  background-color: var(--accent);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-dark);
  font-weight: 700;
  font-size: 0.9rem;
}

.dealership-badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--bg-dark-subtle);
  border: 1px solid var(--border-dark);
  color: var(--text-inverse-muted);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-inverse-muted);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.nav-link:hover {
  color: var(--text-inverse);
  background-color: var(--bg-dark-subtle);
}

.nav-link.active {
  color: var(--text-inverse);
  background-color: var(--bg-dark-subtle);
  border-bottom: 2px solid var(--accent);
}

.user-tray {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-name {
  font-size: 0.85rem;
  color: var(--text-inverse-muted);
}

.user-name strong {
  color: var(--text-inverse);
}

.btn-signout {
  font-size: 0.82rem;
  color: var(--text-inverse-muted);
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  transition: all 0.15s ease;
}

.btn-signout:hover {
  color: var(--text-inverse);
  border-color: var(--accent);
}

/* Main Layout Shell */
.app-shell {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Primary Call to Action Rules */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.65rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: background-color 0.15s ease;
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.65rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-secondary:hover {
  background-color: #f0f2f5;
  border-color: #b8c0cc;
}

.plain-link {
  color: var(--text-primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.plain-link:hover {
  color: var(--accent);
}

/* Sections and Asymmetric Layout */
.page-lead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.page-lead-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.layout-split {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 2rem;
  align-items: start;
}

.layout-split-wide {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 980px) {
  .layout-split, .layout-split-wide {
    grid-template-columns: 1fr;
  }
}

/* Cards & Panels */
.panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.panel-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

/* KPI Banner Strip (Rhythmic asymmetric) */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (max-width: 860px) {
  .kpi-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .kpi-strip {
    grid-template-columns: 1fr;
  }
}

.kpi-tile {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.kpi-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.kpi-sub {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 0.4rem;
}

/* Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
}

.status-draft {
  background-color: #eaedf2;
  color: #3b4657;
  border: 1px solid #c5cbd6;
}

.status-submitted {
  background-color: #ebf5fb;
  color: #1a5276;
  border: 1px solid #aed6f1;
}

.status-approved {
  background-color: #eafaf1;
  color: #1e8449;
  border: 1px solid #a9dfbf;
}

.status-rejected {
  background-color: #fdedec;
  color: #922b21;
  border: 1px solid #f5b7b1;
}

/* Forms and Inputs */
.form-group {
  margin-bottom: 1.2rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.65rem 0.8rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
  line-height: 1.5;
}

.form-help {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

/* Tables */
.data-table-container {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--bg-surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
}

.data-table th {
  background-color: #f0f2f5;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background-color: #fafbfc;
}

/* Signature Motion: Caliper Dial and Staggered Reveal */
@keyframes sweepCaliper {
  0% { transform: rotate(-45deg); }
  100% { transform: rotate(45deg); }
}

@keyframes fadeInStagger {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal-item {
  animation: fadeInStagger 0.35s ease forwards;
}

.reveal-delay-1 { animation-delay: 0.08s; }
.reveal-delay-2 { animation-delay: 0.16s; }
.reveal-delay-3 { animation-delay: 0.24s; }

/* Caliper Gauge Widget */
.caliper-gauge-box {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  padding: 1.5rem;
  border-radius: var(--radius);
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-dark);
}

.gauge-canvas {
  width: 160px;
  height: 90px;
  margin: 0 auto 0.5rem auto;
  display: block;
}

.gauge-value {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.gauge-unit {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-inverse-muted);
  margin-top: 0.4rem;
}

/* Tabs */
.tab-row {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.tab-btn {
  padding: 0.65rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.tab-btn.active {
  color: var(--text-primary);
  font-weight: 600;
  border-bottom: 2px solid var(--accent);
}

/* Search bar */
.search-strip {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.search-strip .form-input {
  flex: 1;
}

/* Alerts */
.alert-error {
  background-color: #fdedec;
  border: 1px solid #f5b7b1;
  color: #922b21;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
}

.alert-success {
  background-color: #eafaf1;
  border: 1px solid #a9dfbf;
  color: #1e8449;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
}

/* Footer */
.app-footer {
  margin-top: auto;
  background-color: var(--bg-dark);
  color: var(--text-inverse-muted);
  font-size: 0.8rem;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--border-dark);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}