/* ========================================
   QuoteSnap — Shared Styles
   ======================================== */

:root {
  --ink: #0f172a;
  --ink-soft: #475569;
  --ink-muted: #94a3b8;
  --surface: #ffffff;
  --surface-raised: #f8fafc;
  --surface-sunken: #f1f5f9;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: #eef2ff;
  --accent-glow: rgba(79, 70, 229, 0.12);
  --success: #059669;
  --danger: #dc2626;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-xl: 0 8px 30px rgba(0,0,0,0.1), 0 4px 8px rgba(0,0,0,0.04);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--surface-raised);
  line-height: 1.6;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.125rem; }

/* ========================================
   Layout
   ======================================== */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 1px 2px rgba(79, 70, 229, 0.3), inset 0 1px 0 rgba(255,255,255,0.1);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.35), inset 0 1px 0 rgba(255,255,255,0.1);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--surface-sunken);
  border-color: var(--ink-muted);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  padding: 8px 12px;
}

.btn-ghost:hover {
  background: var(--surface-sunken);
  color: var(--ink);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  padding: 6px 10px;
  font-size: 0.8125rem;
}

.btn-danger:hover {
  background: #fef2f2;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.0625rem;
  border-radius: 12px;
}

/* ========================================
   Form elements
   ======================================== */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--ink-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

/* ========================================
   Cards
   ======================================== */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.card-padded {
  padding: 28px;
}

/* ========================================
   Hero section (landing page)
   ======================================== */

.hero {
  text-align: center;
  padding: 80px 20px 60px;
  background: linear-gradient(180deg, #eef2ff 0%, var(--surface-raised) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 24px;
  border: 1px solid rgba(79, 70, 229, 0.15);
}

.hero h1 {
  max-width: 700px;
  margin: 0 auto 16px;
  position: relative;
}

.hero-sub {
  max-width: 520px;
  margin: 0 auto 36px;
  font-size: 1.125rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--ink-soft);
  font-weight: 500;
}

.hero-feature-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 50%;
  font-size: 0.6875rem;
  flex-shrink: 0;
}

/* ========================================
   Builder section
   ======================================== */

.builder-section {
  padding: 60px 20px 80px;
}

.builder-section h2 {
  text-align: center;
  margin-bottom: 8px;
}

.builder-section-sub {
  text-align: center;
  color: var(--ink-soft);
  margin-bottom: 40px;
}

.builder-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 900px) {
  .builder-grid {
    grid-template-columns: 1fr;
  }
}

.builder-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 500px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  margin-top: 8px;
}

/* ========================================
   Line items
   ======================================== */

.line-items-header {
  display: grid;
  grid-template-columns: 1fr 72px 100px 80px 36px;
  gap: 8px;
  padding: 0 2px;
  margin-bottom: 4px;
}

.line-items-header span {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

.line-item-row {
  display: grid;
  grid-template-columns: 1fr 72px 100px 80px 36px;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.line-item-total {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
  text-align: right;
  padding-right: 4px;
  font-family: var(--font-mono);
}

.add-line-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px dashed rgba(79, 70, 229, 0.3);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
}

.add-line-btn:hover {
  background: #e0e7ff;
  border-color: var(--accent);
}

@media (max-width: 600px) {
  .line-items-header {
    display: none;
  }
  .line-item-row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 12px;
    background: var(--surface-sunken);
    border-radius: var(--radius);
    margin-bottom: 12px;
  }
  .line-item-row .form-input {
    background: var(--surface);
  }
  .line-item-total {
    text-align: left;
  }
}

/* ========================================
   Preview panel
   ======================================== */

.preview-panel {
  position: sticky;
  top: 24px;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.preview-header h3 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  font-weight: 700;
}

.preview-body {
  padding: 28px 24px;
}

.preview-from-to {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.preview-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  font-weight: 700;
  margin-bottom: 4px;
}

.preview-name {
  font-weight: 600;
  font-size: 0.9375rem;
}

.preview-email {
  font-size: 0.8125rem;
  color: var(--ink-soft);
}

.preview-project {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.preview-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: 0.875rem;
}

.preview-table th {
  text-align: left;
  padding: 8px 0;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  font-weight: 700;
  border-bottom: 2px solid var(--ink);
}

.preview-table th:last-child {
  text-align: right;
}

.preview-table td {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.preview-table td:last-child {
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 500;
  white-space: nowrap;
}

.preview-total-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 0;
  border-top: 2px solid var(--ink);
  margin-top: -1px;
}

.preview-total-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.preview-total-amount {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.preview-notes {
  margin-top: 20px;
  padding: 16px;
  background: var(--surface-sunken);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--ink-soft);
  line-height: 1.6;
  white-space: pre-wrap;
}

.preview-notes-title {
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.preview-valid {
  margin-top: 16px;
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.preview-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--ink-muted);
  font-size: 0.875rem;
}

/* ========================================
   Navbar
   ======================================== */

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.navbar-brand {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.navbar-brand span {
  color: var(--accent);
}

/* ========================================
   Footer
   ======================================== */

.footer {
  text-align: center;
  padding: 40px 20px;
  font-size: 0.8125rem;
  color: var(--ink-muted);
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

/* ========================================
   Quote view page (/q/:id)
   ======================================== */

.quote-page {
  min-height: 100vh;
  background: var(--surface-raised);
}

.quote-wrapper {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

.quote-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-bottom: 24px;
}

.quote-doc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 48px;
  position: relative;
}

.quote-doc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
  gap: 20px;
}

.quote-doc-title-block h1 {
  font-size: 2rem;
  margin-bottom: 4px;
}

.quote-doc-title-block .quote-doc-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  font-weight: 700;
}

.quote-doc-meta {
  text-align: right;
  font-size: 0.8125rem;
  color: var(--ink-soft);
  flex-shrink: 0;
}

.quote-doc-meta strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--ink);
}

.quote-doc-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.quote-doc-party-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  font-weight: 700;
  margin-bottom: 6px;
}

.quote-doc-party-name {
  font-size: 1.0625rem;
  font-weight: 700;
}

.quote-doc-party-email {
  font-size: 0.875rem;
  color: var(--ink-soft);
  margin-top: 2px;
}

.quote-doc-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0;
}

.quote-doc-table thead th {
  text-align: left;
  padding: 12px 0;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  font-weight: 700;
  border-bottom: 2px solid var(--ink);
}

.quote-doc-table thead th:nth-child(2),
.quote-doc-table thead th:nth-child(3),
.quote-doc-table thead th:nth-child(4) {
  text-align: right;
}

.quote-doc-table tbody td {
  padding: 14px 0;
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.quote-doc-table tbody td:nth-child(2),
.quote-doc-table tbody td:nth-child(3),
.quote-doc-table tbody td:nth-child(4) {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  white-space: nowrap;
}

.quote-doc-total {
  display: flex;
  justify-content: flex-end;
  padding: 24px 0;
  border-top: 2px solid var(--ink);
  gap: 40px;
  align-items: baseline;
}

.quote-doc-total-label {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.quote-doc-total-amount {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.quote-doc-notes {
  margin-top: 32px;
  padding: 20px 24px;
  background: var(--surface-sunken);
  border-radius: var(--radius);
}

.quote-doc-notes-title {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  font-weight: 700;
  margin-bottom: 8px;
}

.quote-doc-notes p {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  line-height: 1.7;
  white-space: pre-wrap;
}

.quote-doc-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--ink-muted);
}

.quote-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.quote-status-badge.draft {
  background: var(--surface-sunken);
  color: var(--ink-soft);
}

.quote-not-found {
  text-align: center;
  padding: 80px 20px;
}

.quote-not-found h2 {
  margin-bottom: 8px;
}

.quote-not-found p {
  color: var(--ink-soft);
  margin-bottom: 24px;
}

.quote-loading {
  text-align: center;
  padding: 80px 20px;
  color: var(--ink-muted);
}

/* ========================================
   Print styles
   ======================================== */

@media print {
  body {
    background: white;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .navbar,
  .quote-actions,
  .footer,
  .quote-doc-footer {
    display: none !important;
  }

  .quote-wrapper {
    padding: 0;
    max-width: 100%;
  }

  .quote-doc {
    border: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
  }

  .quote-doc-total-amount {
    color: var(--ink) !important;
  }

  .quote-doc-notes {
    background: #f5f5f5 !important;
  }

  @page {
    margin: 1in;
    size: letter;
  }
}

/* ========================================
   Utilities
   ======================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-muted { color: var(--ink-muted); }
.text-soft { color: var(--ink-soft); }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }