/* ───────────────────────────────────────────
   MAJESTIC – T-Shirt Costing Platform
   Design System & Styles
   ─────────────────────────────────────────── */

:root {
  /* Core palette – DARK (default) */
  --bg-base:      #0d0f14;
  --bg-surface:   #13161e;
  --bg-card:      #181c27;
  --bg-card-hover:#1e2233;
  --bg-input:     #0f1119;
  --border:       rgba(255,255,255,0.07);
  --border-light: rgba(255,255,255,0.12);

  /* Accent palette */
  --purple:     #a78bfa;
  --purple-dim: #7c3aed;
  --blue:       #60a5fa;
  --teal:       #2dd4bf;
  --green:      #4ade80;
  --amber:      #fbbf24;
  --amber-dark: #92400e;
  --orange:     #fb923c;
  --pink:       #f472b6;
  --indigo:     #818cf8;
  --violet:     #c084fc;

  /* Text */
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;

  /* Glow */
  --glow-purple: 0 0 30px rgba(167,139,250,0.15);
  --glow-blue:   0 0 30px rgba(96,165,250,0.15);

  /* Layout */
  --sidebar-width: 240px;
  --header-height: 80px;
  --radius:    12px;
  --radius-sm: 8px;
  --radius-lg: 16px;

  /* Font */
  --font-body:    'Inter', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;

  /* Chart hole color */
  --chart-hole: #181c27;
}

/* ── LIGHT MODE ───────────────────────────── */
[data-theme="light"] {
  --bg-base:      #f4f6fb;
  --bg-surface:   #ffffff;
  --bg-card:      #ffffff;
  --bg-card-hover:#f0f4ff;
  --bg-input:     #f8f9fc;
  --border:       rgba(0,0,0,0.08);
  --border-light: rgba(0,0,0,0.14);

  /* Keep accents vibrant but slightly richer */
  --purple:     #7c3aed;
  --purple-dim: #5b21b6;
  --blue:       #2563eb;
  --teal:       #0d9488;
  --green:      #16a34a;
  --amber:      #d97706;
  --amber-dark: #92400e;
  --orange:     #ea580c;
  --pink:       #db2777;
  --indigo:     #4f46e5;
  --violet:     #7c3aed;

  /* Text */
  --text-primary:   #0f172a;
  --text-secondary: #475569;
  --text-muted:     #94a3b8;

  /* Glow (reduced in light) */
  --glow-purple: 0 0 20px rgba(124,58,237,0.10);
  --glow-blue:   0 0 20px rgba(37,99,235,0.10);

  /* Chart hole color */
  --chart-hole: #ffffff;
}

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

html { scroll-behavior: smooth; }

/* Smooth theme transition */
body, .sidebar, .card, .cost-summary, input, .top-header {
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ────────────────────────────
   SIDEBAR
   ──────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 8px 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
}

.nav-item svg { width: 16px; height: 16px; flex-shrink: 0; }

.nav-item:hover:not(.disabled) {
  background: rgba(167,139,250,0.08);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(167,139,250,0.18), rgba(96,165,250,0.10));
  color: var(--purple);
  border: 1px solid rgba(167,139,250,0.25);
}

.nav-item.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.badge-soon {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  background: rgba(167,139,250,0.15);
  color: var(--purple);
  border: 1px solid rgba(167,139,250,0.3);
  border-radius: 99px;
  padding: 2px 7px;
  letter-spacing: 0.5px;
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.city-tag {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* ────────────────────────────
   MAIN CONTENT
   ──────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
  padding: 0 32px 80px;
  max-width: calc(100vw - var(--sidebar-width));
}

/* ────────────────────────────
   HEADER
   ──────────────────────────── */
.top-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
  position: sticky;
  top: 0;
  background: var(--bg-base);
  z-index: 50;
  gap: 16px;
}

.header-left { display: flex; flex-direction: column; gap: 2px; }

.page-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.header-actions { display: flex; gap: 10px; flex-shrink: 0; }

/* Buttons */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple-dim), var(--purple));
  color: #fff;
  box-shadow: 0 4px 16px rgba(124,58,237,0.35);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(124,58,237,0.5);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

/* Theme toggle button */
.btn-theme {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.btn-theme:hover {
  background: var(--bg-card-hover);
  color: var(--amber);
  border-color: var(--amber);
}
.btn-theme svg { width: 17px; height: 17px; }

/* ────────────────────────────
   PAGE WRAPPER
   ──────────────────────────── */
.page-content { display: none; }
.page-content.active { display: block; }

/* ────────────────────────────
   CARDS
   ──────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  transition: border-color 0.2s ease;
}
.card:hover { border-color: var(--border-light); }

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.card-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.card-icon svg { width: 18px; height: 18px; }

.card-icon--purple  { background: rgba(167,139,250,0.15); color: var(--purple);  }
.card-icon--blue    { background: rgba(96,165,250,0.15);  color: var(--blue);    }
.card-icon--teal    { background: rgba(45,212,191,0.15);  color: var(--teal);    }
.card-icon--green   { background: rgba(74,222,128,0.15);  color: var(--green);   }
.card-icon--amber   { background: rgba(251,191,36,0.15);  color: var(--amber);   }
.card-icon--orange  { background: rgba(251,146,60,0.15);  color: var(--orange);  }
.card-icon--pink    { background: rgba(244,114,182,0.15); color: var(--pink);    }
.card-icon--indigo  { background: rgba(129,140,248,0.15); color: var(--indigo);  }
.card-icon--violet  { background: rgba(192,132,252,0.15); color: var(--violet);  }

.card-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ────────────────────────────
   FORM GRIDS
   ──────────────────────────── */
.form-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.form-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.trims-grid  { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
.margins-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }

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

.form-field label {
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-secondary);
}

.form-field input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -moz-appearance: textfield;
}
.form-field input::-webkit-outer-spin-button,
.form-field input::-webkit-inner-spin-button { -webkit-appearance: none; }

.form-field input:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(167,139,250,0.12);
}

.input-suffix-wrap, .input-prefix-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.input-suffix-wrap:focus-within,
.input-prefix-wrap:focus-within {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(167,139,250,0.12);
}

.input-suffix-wrap input,
.input-prefix-wrap input {
  border: none !important;
  box-shadow: none !important;
  border-radius: 0;
  flex: 1;
  background: transparent;
}

.input-suffix, .input-prefix {
  padding: 0 10px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  white-space: nowrap;
  align-self: stretch;
  display: flex;
  align-items: center;
}

/* ────────────────────────────
   CONSUMPTION DISPLAY
   ──────────────────────────── */
.consumption-display {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.consumption-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.consumption-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.consumption-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--teal);
  font-family: var(--font-heading);
}

/* ────────────────────────────
   LAYOUT: TWO COLUMNS
   ──────────────────────────── */
.two-col-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

/* ────────────────────────────
   FABRIC COLUMNS
   ──────────────────────────── */
.fabric-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.fabric-column-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.fabric-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.fabric-dot--body { background: var(--blue); }
.fabric-dot--rib  { background: var(--pink); }

.fabric-subtotal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}
.fabric-subtotal strong { color: var(--text-primary); font-size: 14px; }
.fabric-subtotal--highlight {
  background: linear-gradient(135deg, rgba(45,212,191,0.08), rgba(96,165,250,0.06));
  border: 1px solid rgba(45,212,191,0.2);
}
.fabric-subtotal--highlight strong { color: var(--teal); }

/* ────────────────────────────
   SUBTOTAL ROWS
   ──────────────────────────── */
.subtotal-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  padding: 10px 14px;
  background: linear-gradient(135deg, rgba(167,139,250,0.08), rgba(96,165,250,0.05));
  border: 1px solid rgba(167,139,250,0.2);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-secondary);
}
.subtotal-row strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--purple);
  font-family: var(--font-heading);
}

/* ────────────────────────────
   MARGINS CARD
   ──────────────────────────── */
.card-margins {
  background: linear-gradient(135deg, rgba(192,132,252,0.06), rgba(167,139,250,0.04));
  border-color: rgba(192,132,252,0.2);
}

/* ────────────────────────────
   COST SUMMARY
   ──────────────────────────── */
.cost-summary {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.cost-summary::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--blue), var(--teal));
}

.summary-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.summary-header h2 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
}

.summary-style-info {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 99px;
}

.summary-breakdown {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 28px;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 13.5px;
  transition: background 0.15s;
}
.breakdown-row:hover { background: rgba(255,255,255,0.03); }
.breakdown-label { color: var(--text-secondary); }
.breakdown-value { font-weight: 600; color: var(--text-primary); font-family: var(--font-heading); }

.breakdown-row--subtotal {
  background: var(--bg-input);
  border: 1px solid var(--border);
  margin: 4px 0;
}
.breakdown-row--subtotal .breakdown-label { color: var(--text-primary); font-weight: 600; }
.breakdown-row--subtotal .breakdown-value { color: var(--amber); font-size: 15px; }

.summary-totals {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: center;
  margin-bottom: 32px;
}

.total-card {
  flex: 1;
  max-width: 260px;
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
}
.total-card--inr {
  background: linear-gradient(135deg, rgba(217,119,6,0.10), rgba(234,88,12,0.06));
  border: 1px solid rgba(217,119,6,0.3);
}
.total-card--usd {
  background: linear-gradient(135deg, rgba(22,163,74,0.10), rgba(13,148,136,0.06));
  border: 1px solid rgba(22,163,74,0.3);
}

.total-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.total-value {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
}
.total-card--inr .total-value { color: var(--amber); }
.total-card--usd .total-value { color: var(--green); }

.total-arrow {
  font-size: 24px;
  color: var(--text-muted);
}

/* ────────────────────────────
   CHART
   ──────────────────────────── */
.cost-chart-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-top: 8px;
  flex-wrap: wrap;
}

#costChart {
  width: 220px !important;
  height: 220px !important;
}

.chart-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 200px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-label { color: var(--text-secondary); flex: 1; transition: color .15s; }
.legend-pct   { font-weight: 700; color: var(--text-primary); font-size: 12px; transition: color .15s; }

.legend-item--active .legend-label { color: var(--text-primary); }
.legend-item--active .legend-pct   { color: var(--accent); }
.legend-item--active .legend-dot   { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent); }

/* ────────────────────────────
   EXCHANGE RATES
   ──────────────────────────── */
.exchange-rates-header {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin: 20px 0 12px;
}

.exchange-rates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.exchange-rate-field label {
  display: flex;
  align-items: center;
  gap: 5px;
}

.currency-flag { font-size: 14px; line-height: 1; }

/* ────────────────────────────
   FOB CURRENCIES GRID
   ──────────────────────────── */
.fob-currencies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.fob-currency-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  transition: border-color 0.2s, transform 0.2s;
}
.fob-currency-card:hover {
  border-color: var(--border-light);
  transform: translateY(-1px);
}

.fob-currency-card--accent {
  background: linear-gradient(135deg, rgba(96,165,250,0.06), rgba(45,212,191,0.04));
  border-color: rgba(96,165,250,0.18);
}

.fob-currency-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.fob-currency-value {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--teal);
}

.fob-currency-value.inr-value { color: var(--amber); }

/* ────────────────────────────
   STICKY BAR CURRENCY PILLS
   ──────────────────────────── */
.sticky-fob-selector {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.fob-pill {
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-light);
  background: var(--bg-card);
  color: var(--text-muted);
  font-family: var(--font-body);
  transition: all 0.15s ease;
  white-space: nowrap;
}
.fob-pill:hover {
  color: var(--text-primary);
  border-color: var(--purple);
}
.fob-pill.active {
  background: linear-gradient(135deg, var(--purple-dim), var(--purple));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(124,58,237,0.3);
}

/* ────────────────────────────
   STICKY LIVE SUMMARY BAR
   ──────────────────────────── */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: var(--sidebar-width);
  right: 0;
  z-index: 200;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 -4px 30px rgba(0,0,0,0.2);
  padding: 10px 32px;
}

.sticky-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.sticky-costs {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sticky-cost-item {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sticky-cost-label {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.sticky-cost-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  font-family: var(--font-heading);
}

.sticky-divider {
  width: 1px;
  height: 28px;
  background: var(--border-light);
  flex-shrink: 0;
}

.sticky-totals {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.sticky-total {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  min-width: 130px;
}

.sticky-total--inr {
  background: linear-gradient(135deg, rgba(217,119,6,0.12), rgba(234,88,12,0.07));
  border: 1px solid rgba(217,119,6,0.25);
}

.sticky-total--usd {
  background: linear-gradient(135deg, rgba(22,163,74,0.12), rgba(13,148,136,0.07));
  border: 1px solid rgba(22,163,74,0.25);
}

.sticky-total-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text-muted);
}

.sticky-total-value {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.1;
}

.sticky-total--inr .sticky-total-value { color: var(--amber); }
.sticky-total--usd .sticky-total-value { color: var(--green); }

/* Extra bottom padding so content isn't hidden behind sticky bar */
.main-content { padding-bottom: 100px; }

@media (max-width: 640px) {
  .sticky-bar { left: 0; padding: 8px 16px; }
  .sticky-costs { display: none; }
  .sticky-totals { width: 100%; justify-content: space-between; }
}

/* ────────────────────────────
   PRINT
   ──────────────────────────── */
.print-only { display: none; }

@media print {
  .sidebar, .top-header { display: none !important; }
  .main-content { margin-left: 0; padding: 20px; max-width: 100%; }
  .card { break-inside: avoid; }
  .print-only { display: block; }
  body { background: white; color: black; }
  .cost-summary { border: 2px solid #ccc; }
  .total-value { color: #000 !important; }
}

/* ────────────────────────────
   RESPONSIVE
   ──────────────────────────── */
@media (max-width: 1200px) {
  .two-col-layout { grid-template-columns: 1fr; }
  .fabric-columns { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .main-content { padding: 0 20px 60px; }
  .form-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .summary-totals { flex-direction: column; }
  .total-arrow { transform: rotate(90deg); }
}

@media (max-width: 640px) {
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; }
  .form-grid-4, .form-grid-3 { grid-template-columns: 1fr 1fr; }
}

/* ────────────────────────────
   ANIMATIONS
   ──────────────────────────── */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card {
  animation: fadeSlideUp 0.35s ease both;
}
.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.10s; }
.card:nth-child(3) { animation-delay: 0.15s; }
.card:nth-child(4) { animation-delay: 0.20s; }

.cost-summary { animation: fadeSlideUp 0.4s ease 0.25s both; }

/* Number value update flash */
@keyframes valueFlash {
  0%   { color: var(--teal); }
  100% { color: inherit; }
}
.value-flash { animation: valueFlash 0.5s ease; }

/* ══════════════════════════════════════════════
   RESPONSIVE – IMPROVED
   ══════════════════════════════════════════════ */

/* Hamburger button – hidden on desktop */
.btn-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}
.btn-hamburger:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.btn-hamburger svg { width: 18px; height: 18px; }

/* Sidebar overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 99;
  backdrop-filter: blur(2px);
}
.sidebar-overlay.active { display: block; }

/* Sidebar open state on mobile */
.sidebar.open {
  transform: translateX(0) !important;
}

/* ── Tablet (≤ 1100px) ── */
@media (max-width: 1100px) {
  .form-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .fob-grid    { grid-template-columns: repeat(2, 1fr); }
  .two-col-layout { grid-template-columns: 1fr; }
  .fabric-columns { grid-template-columns: 1fr 1fr; }

  .sticky-bar { gap: 14px; padding: 10px 20px; }
  .sticky-value { font-size: 13px; }
  .sticky-fob-value { font-size: 17px; }
}

/* ── Small tablet / large phone (≤ 768px) ── */
@media (max-width: 768px) {
  /* Show hamburger, hide sidebar by default */
  .btn-hamburger { display: inline-flex; }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 200;
  }
  .main-content {
    margin-left: 0;
    padding: 0 16px 100px;
    max-width: 100%;
  }
  .top-header {
    padding: 0 4px;
    gap: 10px;
  }
  .header-left {
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }
  .page-title { font-size: 17px; }
  .page-subtitle { display: none; }

  /* Shrink action buttons */
  .btn-primary span, .btn-secondary span { display: none; }
  .btn-primary, .btn-secondary {
    padding: 9px 12px;
    gap: 0;
  }

  .form-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .form-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .form-grid-2 { grid-template-columns: 1fr; }
  .trims-grid  { grid-template-columns: repeat(2, 1fr); }
  .fabric-columns { grid-template-columns: 1fr; gap: 16px; }
  .rates-grid  { grid-template-columns: repeat(3, 1fr); }
  .overhead-grid { grid-template-columns: 1fr 1fr; }

  .cost-summary {
    position: static; /* don't stick on mobile */
  }

  /* Sticky bar — compact on mobile */
  .sticky-bar {
    left: 0;
    padding: 8px 12px;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .sticky-item { min-width: 64px; }
  .sticky-sep  { display: none; }
  .sticky-label { font-size: 9px; }
  .sticky-value { font-size: 12px; }
  .sticky-fob   { margin-left: 0; }
  .sticky-fob-value { font-size: 15px; }

  .card { padding: 16px; }
  .card-header { margin-bottom: 14px; }
}

/* ── Phone (≤ 480px) ── */
@media (max-width: 480px) {
  .form-grid-4, .form-grid-3 { grid-template-columns: 1fr; }
  .trims-grid  { grid-template-columns: 1fr 1fr; }
  .rates-grid  { grid-template-columns: repeat(2, 1fr); }
  .overhead-grid { grid-template-columns: 1fr; }
  .fob-grid    { grid-template-columns: repeat(2, 1fr); }
  .fabric-columns { grid-template-columns: 1fr; }

  .header-actions { gap: 6px; }
  .btn-primary, .btn-secondary { padding: 8px 10px; font-size: 12px; }

  .chart-wrap { flex-direction: row; align-items: flex-start; }
  .chart-canvas { max-width: 130px; max-height: 130px; }
}