/* ============ RESET & BASE ============ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* ── PRIMARY: Clean emerald green (money/finance feel) ── */
  --primary: #059669;
  --primary-light: #34D399;
  --primary-dark: #047857;
  --primary-ghost: rgba(5, 150, 105, 0.08);
  --primary-glow: rgba(5, 150, 105, 0.35);

  /* ── ACCENTS ── */
  --secondary: #3B82F6;
  --success: #22C55E;
  --warning: #F59E0B;
  --danger: #EF4444;

  /* ── SURFACES (warm neutral, not cold purple) ── */
  --bg: #F7F8FA;
  --card: #FFFFFF;
  --card-hover: #F9FAFB;

  /* ── TEXT (high contrast, easy to read) ── */
  --text: #111827;
  --text-secondary: #374151;
  --text-muted: #6B7280;

  /* ── BORDERS & SHADOWS (subtle, warm) ── */
  --border: #E5E7EB;
  --border-light: #F3F4F6;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.1), 0 4px 8px rgba(0,0,0,0.05);

  /* ── LAYOUT ── */
  --radius: 16px;
  --radius-sm: 10px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ============ SCREENS ============ */
.screen {
  display: none;
  flex-direction: column;
  min-height: 100dvh;
  padding: 24px 20px calc(24px + var(--safe-bottom));
  padding-top: calc(24px + var(--safe-top));
  max-width: 480px;
  margin: 0 auto;
  animation: fadeIn 0.3s ease;
}

.screen.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ STEP PROGRESS ============ */
.step-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  padding-top: calc(12px + var(--safe-top));
}

.step-progress.hidden { display: none; }

.step-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  max-width: 480px;
  margin: 0 auto;
}

.dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  background: var(--border);
  color: var(--text-muted);
  transition: all 0.3s ease;
  /* Not clickable by default (future steps) */
  cursor: default;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.dot.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 2px 12px var(--primary-glow);
  cursor: default;
}

.dot.done {
  background: var(--success);
  color: white;
  /* Clickable! */
  cursor: pointer;
}

.dot.done:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 12px rgba(34, 197, 94, 0.4);
}

.dot.done:active {
  transform: scale(0.95);
}

/* Connector lines between dots */
.step-dots {
  position: relative;
}

.dot-connector {
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  align-self: center;
  transition: background 0.3s ease;
}

.dot-connector.done {
  background: var(--success);
}

/* ============ HOME SCREEN ============ */
.hero {
  text-align: center;
  padding: 60px 0 40px;
  flex-shrink: 0;
}

.logo {
  font-size: 64px;
  margin-bottom: 8px;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.08));
}

.hero h1 {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #0EA5E9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  color: var(--text-muted);
  font-size: 16px;
  margin-top: 8px;
}

.home-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  justify-content: center;
  max-width: 320px;
  margin: 0 auto;
  width: 100%;
}

.home-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  padding-top: 24px;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  font-family: var(--font);
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 2px 8px var(--primary-glow);
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled {
  background: var(--border);
  color: var(--text-muted);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--card);
  color: var(--primary);
  border: 2px solid var(--primary-light);
}

.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border: 2px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary-light); color: var(--primary); }

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-large { padding: 18px 28px; font-size: 17px; border-radius: var(--radius); }
.btn-block { width: 100%; }
.btn-small { padding: 8px 16px; font-size: 14px; border-radius: 8px; }

.btn-icon {
  font-size: 20px;
  line-height: 1;
}

.btn-icon-only {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: none;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  color: white;
}

/* ============ CAMERA SCREEN ============ */
#screen-camera {
  padding: 0;
  position: fixed;
  inset: 0;
  background: black;
  max-width: none;
  z-index: 200;
}

#camera-feed {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.scan-frame {
  width: 85%;
  max-width: 360px;
  aspect-ratio: 3/4;
  border: 3px solid rgba(255,255,255,0.6);
  border-radius: 16px;
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.4);
}

.camera-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 32px 24px;
  padding-bottom: calc(32px + var(--safe-bottom));
}

.btn-capture {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: white;
  border: 4px solid rgba(255,255,255,0.5);
  cursor: pointer;
  position: relative;
  transition: transform 0.15s;
}
.btn-capture:active { transform: scale(0.9); }

.capture-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 3px solid white;
}

/* ============ PROCESSING SCREEN ============ */
.processing-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  text-align: center;
}

.scanner-animation {
  width: 120px;
  height: 140px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scan-icon {
  font-size: 72px;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.scan-line {
  position: absolute;
  left: 10%;
  right: 10%;
  height: 3px;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary);
  border-radius: 2px;
  animation: scanMove 2s ease-in-out infinite;
}

@keyframes scanMove {
  0%, 100% { top: 10%; }
  50% { top: 85%; }
}

.progress-bar {
  width: 100%;
  max-width: 280px;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #0EA5E9);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* ============ SCREEN HEADERS ============ */
.screen-header {
  margin-bottom: 20px;
  padding-top: 48px;
}

.screen-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.screen-header .text-muted { margin-top: 4px; }

/* ============ INPUTS ============ */
.input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-family: var(--font);
  background: var(--card);
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ghost);
}

.input::placeholder { color: var(--text-muted); }

/* ============ ITEMS LIST ============ */
.items-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  flex: 1;
  overflow-y: auto;
}

.item-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  animation: slideIn 0.2s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

.item-card .item-name {
  flex: 1;
  font-size: 15px;
  border: none;
  background: transparent;
  font-family: var(--font);
  color: var(--text);
  outline: none;
  min-width: 0;
}

.item-card .item-price {
  width: 80px;
  text-align: right;
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-dark);
  border: none;
  background: transparent;
  font-family: var(--font);
  outline: none;
}

.item-card .item-price:focus,
.item-card .item-name:focus {
  background: var(--primary-ghost);
  border-radius: 6px;
  padding: 4px 8px;
  margin: -4px -8px;
}

.item-delete {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: #FEF2F2;
  color: var(--danger);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
}
.item-delete:hover { background: var(--danger); color: white; }

/* ============ PEOPLE LIST ============ */
.people-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.person-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  padding: 10px 16px;
  border-radius: 50px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  animation: slideIn 0.2s ease;
  font-weight: 600;
  font-size: 15px;
}

.person-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.person-remove {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.person-remove:hover { background: var(--danger); color: white; }

.add-person-row {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.add-person-row .input { flex: 1; }

.saved-groups { margin-bottom: 16px; }

.quick-add { margin-bottom: 20px; }
.quick-add .small { font-size: 13px; margin-bottom: 8px; }

.quick-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quick-chip {
  padding: 6px 14px;
  border-radius: 50px;
  border: 1.5px solid var(--border);
  background: var(--card);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font);
  color: var(--text-muted);
}
.quick-chip:hover { border-color: var(--primary-light); color: var(--primary); }

/* ============ ASSIGN LIST ============ */
.assign-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  overflow-y: auto;
  margin-bottom: 16px;
}

.assign-card {
  background: var(--card);
  padding: 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.assign-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.assign-card-header .name {
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
}

.assign-card-header .price {
  font-weight: 700;
  color: var(--primary-dark);
}

.assign-people {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.assign-person-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 50px;
  border: 2px solid var(--border);
  background: var(--card);
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.assign-person-btn.assigned {
  border-color: var(--primary);
  background: var(--primary-ghost);
  color: var(--primary-dark);
}

.assign-person-btn .mini-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: white;
}

.assign-everyone {
  padding: 6px 12px;
  border-radius: 50px;
  border: 1.5px dashed var(--border);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font);
  transition: all 0.2s;
}
.assign-everyone:hover {
  border-color: var(--secondary);
  color: var(--secondary);
}
.assign-everyone.all-assigned {
  border-color: var(--success);
  background: #F0FDF4;
  color: var(--success);
  border-style: solid;
}

/* ============ SUMMARY ============ */
.tax-tip-section {
  background: var(--card);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  margin-bottom: 16px;
}

.tax-tip-row {
  display: flex;
  gap: 16px;
}

.tax-tip-row .field:first-child { flex: 0 0 120px; }
.tax-tip-row .field:last-child { flex: 1; }

.field { margin-bottom: 12px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tip-toggle {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tip-btn {
  padding: 8px 12px;
  border-radius: 8px;
  border: 2px solid var(--border);
  background: var(--card);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font);
  color: var(--text-muted);
}

.tip-btn.active {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
}

/* ============ PAYMENT INFO ============ */
.payment-info-section {
  margin-bottom: 16px;
}

.payment-info-section details {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.payment-info-section summary {
  padding: 16px 20px;
  font-weight: 600;
  cursor: pointer;
  font-size: 15px;
  color: var(--text-secondary);
}

.payment-fields {
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.payment-fields .field { margin-bottom: 0; }
.payment-fields .input { padding: 10px 14px; font-size: 14px; }

/* ============ PAYMENT GROUP LABELS ============ */
.payment-group-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-top: 16px;
  margin-bottom: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}

.payment-group-label:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

/* ============ SUMMARY CARDS ============ */
.summary-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.summary-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.summary-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
}

.summary-person-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.summary-person-info .person-avatar {
  width: 40px;
  height: 40px;
  font-size: 16px;
}

.summary-person-name {
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}

.summary-person-total {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-dark);
}

.summary-card-details {
  padding: 0 20px 12px;
  border-top: 1px solid var(--border);
}

.summary-item-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-muted);
}

.summary-item-row.tax-row,
.summary-item-row.tip-row {
  font-style: italic;
}

/* ============ PAY LINKS ============ */
.summary-pay-links {
  padding: 12px 20px;
  background: var(--primary-ghost);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.pay-link {
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  transition: transform 0.15s;
}
.pay-link:active { transform: scale(0.95); }

.pay-link.venmo   { background: #3D95CE; color: white; }
.pay-link.paypal  { background: #0070BA; color: white; }
.pay-link.cashapp { background: #00C244; color: white; }
.pay-link.wise    { background: #9FE870; color: #163300; }
.pay-link.revolut { background: #0075EB; color: white; }
.pay-link.bank    { background: var(--text-secondary); color: white; }

/* ============ BANK DETAILS DISPLAY ============ */
.bank-details {
  background: var(--card-hover);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  width: 100%;
}

.bank-details .bank-label {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.bank-details .bank-value {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-weight: 600;
  color: var(--text);
  font-size: 14px;
  user-select: all;
  cursor: pointer;
}

/* ============ TOTALS ============ */
.totals-check {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  margin-bottom: 20px;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 15px;
  color: var(--text-secondary);
}

.totals-row.total {
  border-top: 2px solid var(--border);
  margin-top: 8px;
  padding-top: 12px;
  font-weight: 800;
  font-size: 18px;
  color: var(--primary-dark);
}

.summary-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ============ NAVIGATION ============ */
.screen-nav {
  display: flex;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
}

.screen-nav .btn { flex: 1; }
.screen-nav .btn-primary { flex: 2; }

/* ============ MODAL ============ */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 24px;
  backdrop-filter: blur(6px);
}

.modal.hidden { display: none; }

.modal-content {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s ease;
}

@keyframes modalIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-content h3 { font-size: 20px; color: var(--text); }

.modal-actions {
  display: flex;
  gap: 12px;
}
.modal-actions .btn { flex: 1; }

/* ============ TOAST ============ */
.toast {
  position: fixed;
  bottom: calc(32px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  z-index: 400;
  transition: transform 0.3s ease;
  white-space: nowrap;
  background: #1F2937;
  color: #FFFFFF;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast.toast-error {
  background: #DC2626;
  color: #FFFFFF;
}

.toast.toast-success {
  background: #16A34A;
  color: #FFFFFF;
}

.toast.toast-warning {
  background: #D97706;
  color: #FFFFFF;
}

/* ============ UTILITIES ============ */
.text-muted { color: var(--text-muted); font-size: 14px; }
.hidden { display: none !important; }

/* ============ EMPTY STATE ============ */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 15px; }

/* ============ KO-FI ============ */
.kofi-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 8px 18px;
  border-radius: 50px;
  background: #FF5E5B;
  color: white;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: 0 2px 10px rgba(255, 94, 91, 0.25);
}

.kofi-link:hover {
  background: #e04e4b;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 94, 91, 0.35);
}

.kofi-link:active { transform: scale(0.97); }
.kofi-icon { font-size: 16px; line-height: 1; }

/* ============ SUPPORT PROMPT ============ */
.support-prompt {
  text-align: center;
  padding: 24px 16px;
  margin-top: 12px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
}

.support-prompt p { margin-bottom: 10px; }

/* ============ RESPONSIVE ============ */
@media (min-width: 600px) {
  .screen { padding: 32px; }
  .hero { padding: 80px 0 60px; }
  .hero h1 { font-size: 48px; }
  .home-actions { max-width: 380px; }
  .tax-tip-row { gap: 24px; }
}

/* ============ DARK MODE ============ */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0F172A;
    --card: #1E293B;
    --card-hover: #273548;
    --text: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --border: #334155;
    --border-light: #293548;
    --primary: #10B981;
    --primary-light: #34D399;
    --primary-dark: #059669;
    --primary-ghost: rgba(16, 185, 129, 0.1);
    --primary-glow: rgba(16, 185, 129, 0.3);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.15);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.25), 0 2px 4px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.35), 0 4px 8px rgba(0,0,0,0.2);
  }

  .step-progress {
    background: rgba(30, 41, 59, 0.92);
  }

  .item-card .item-price:focus,
  .item-card .item-name:focus {
    background: rgba(16, 185, 129, 0.08);
  }

  .assign-person-btn.assigned {
    background: rgba(16, 185, 129, 0.1);
  }

  .summary-pay-links {
    background: rgba(16, 185, 129, 0.08);
  }

  .item-delete {
    background: rgba(239, 68, 68, 0.12);
  }

  .assign-everyone.all-assigned {
    background: rgba(34, 197, 94, 0.1);
  }

  .bank-details {
    background: rgba(16, 185, 129, 0.05);
    border-color: var(--border);
  }
}