/* Swiss Clean Minimalist Design System - Noorilmz Banquet Bar Estimator */
:root {
  --bg-canvas: #FFFFFF;
  --bg-card: #FAFAFA;
  --text-main: #09090B;
  --text-muted: #71717A;
  --border-color: #E4E4E7;
  --accent-black: #000000;
  --accent-white: #FFFFFF;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 4px;
}

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

body {
  background-color: var(--bg-canvas);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Header & Navigation */
.header {
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-canvas);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-block {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
}
.nav-link:hover {
  color: var(--text-main);
}

.btn-primary {
  background: var(--accent-black);
  color: var(--accent-white);
  border: 1px solid var(--accent-black);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.15s ease;
}

.btn-primary:hover {
  opacity: 0.85;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-secondary:hover {
  background: #F4F4F5;
}

/* Layout Core */
.main-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

.hero-section {
  margin-bottom: 32px;
}

.hero-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 8px;
}

.hero-desc {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 760px;
}

/* Ads Slot */
.ad-slot-wrapper {
  margin: 32px 0;
  padding: 16px;
  border: 1px dashed var(--border-color);
  background: var(--bg-card);
  border-radius: var(--radius);
  text-align: center;
}

.ad-label {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.ad-placeholder-inner {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* Two Column Layout */
.app-grid {
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: 32px;
  align-items: start;
}

.app-grid > * {
  min-width: 0;
}

@media (max-width: 960px) {
  .app-grid {
    grid-template-columns: 1fr;
  }
}

/* Control Panel */
.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  min-width: 0;
}

.panel-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 20px;
}

.panel-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

.label-hint {
  font-weight: 400;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.input-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-canvas);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-main);
  outline: none;
  font-family: inherit;
}

.input-control:focus {
  border-color: var(--accent-black);
}

.range-slider {
  width: 100%;
  accent-color: var(--accent-black);
  cursor: pointer;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 6px;
  min-width: 0;
}

.segmented-btn {
  padding: 8px 10px;
  background: var(--bg-canvas);
  border: 1px solid var(--border-color);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  border-radius: var(--radius);
  color: var(--text-muted);
  min-width: 0;
  word-break: break-word;
}

.segmented-btn.active {
  background: var(--accent-black);
  color: var(--accent-white);
  border-color: var(--accent-black);
}

.slider-group {
  background: var(--bg-canvas);
  padding: 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 12px;
}

.slider-group-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}

.ratio-total-bar {
  height: 6px;
  width: 100%;
  background: #E4E4E7;
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  margin-top: 8px;
}

.ratio-seg-liquor { background: #09090B; }
.ratio-seg-wine { background: #71717A; }
.ratio-seg-beer { background: #A1A1AA; }
.ratio-seg-nona { background: #D4D4D8; }

.ratio-indicator-label {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
}

/* Results & Output Matrix */
.results-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
}

.metrics-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 600px) {
  .header-container {
    padding: 12px 16px;
  }
  .main-wrapper {
    padding: 16px 12px;
  }
  .panel-card {
    padding: 16px 12px;
  }
  .hero-title {
    font-size: 24px;
  }
  .hero-desc {
    font-size: 14px;
  }
  .segmented-control {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .segmented-btn {
    padding: 8px 10px;
    font-size: 12px;
  }
  .slider-group {
    padding: 12px 10px;
  }
  .metrics-summary-grid {
    grid-template-columns: 1fr;
  }
  .affiliate-endorsement-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .modal-window {
    padding: 16px;
    max-height: 95vh;
  }
}

.metric-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: var(--radius);
}

.metric-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 4px;
}

.metric-value {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-family: var(--font-mono);
}

.metric-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Table Output */
.table-card {
  background: var(--bg-canvas);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-header-bar {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
}

.table-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.custom-table th {
  background: #F4F4F5;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-color);
}

.custom-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

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

.mono-cell {
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Affiliate & Endorsement Block */
.affiliate-endorsement-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.endorse-left {
  display: flex;
  flex-direction: column;
}

.endorse-tag {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.endorse-title {
  font-size: 14px;
  font-weight: 700;
}

.endorse-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* Technical Methodology Section (E-E-A-T) */
.methodology-card {
  margin-top: 48px;
  border-top: 1px solid var(--border-color);
  padding-top: 36px;
}

.methodology-heading {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.methodology-text {
  font-size: 14px;
  color: #3F3F46;
  line-height: 1.6;
  margin-bottom: 16px;
}

.math-formula-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #18181B;
  border-radius: var(--radius);
  margin-bottom: 18px;
  overflow-x: auto;
}

/* Float Coffee Donation Button */
.support-widget-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--accent-black);
  color: var(--accent-white);
  border: 1px solid var(--accent-black);
  padding: 10px 16px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  z-index: 50;
  transition: transform 0.15s ease;
}

.support-widget-float:hover {
  transform: translateY(-2px);
}

/* Modal UI */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}

.modal-overlay.open {
  display: flex;
}

.modal-window {
  background: var(--bg-canvas);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.modal-title {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.tab-btn {
  background: none;
  border: none;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius);
}

.tab-btn.active {
  background: #F4F4F5;
  color: var(--text-main);
}

.status-feedback {
  margin-top: 12px;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 12px;
  display: none;
}

/* Footer Section */
.structural-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 48px 24px;
  margin-top: 64px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.footer-meta-text {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-nav-list {
  list-style: none;
}

.footer-nav-list li {
  margin-bottom: 8px;
}

.footer-nav-list a {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
}

.footer-nav-list a:hover {
  color: var(--text-main);
}

.footer-bottom {
  max-width: 1200px;
  margin: 32px auto 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* Print Engine */
@media print {
  .header, .nav-actions, .ad-slot-wrapper, .support-widget-float,
  .affiliate-endorsement-card, .methodology-card, .structural-footer,
  .btn-primary, .panel-card {
    display: none !important;
  }
  
  body {
    background: #FFF;
    color: #000;
    font-size: 12pt;
  }

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

  .app-grid {
    display: block;
  }

  .table-card {
    border: 1px solid #000;
    break-inside: avoid;
  }

  .custom-table th, .custom-table td {
    padding: 6pt;
    font-size: 10pt;
    border-bottom: 1px solid #DDD;
  }
}