:root {
  --bg-gradient: linear-gradient(135deg, #0b0f19 0%, #111827 50%, #1a103c 100%);
  --surface-card: rgba(26, 32, 53, 0.75);
  --surface-card-hover: rgba(35, 43, 71, 0.9);
  --surface-border: rgba(255, 255, 255, 0.1);
  --surface-border-active: rgba(99, 102, 241, 0.6);
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.4);
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-green-glow: rgba(16, 185, 129, 0.3);
  --accent-amber: #f59e0b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 16px 12px 60px;
}

.kiosk-container {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Glassmorphism Header */
.kiosk-header {
  background: var(--surface-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}

.brand-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-logo-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--primary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 0 15px var(--primary-glow);
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, #fff, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.online {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.offline {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.status-badge.online .pulse-dot {
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse-glow 2s infinite;
}

.status-badge.offline .pulse-dot {
  background: #ef4444;
}

@keyframes pulse-glow {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.shop-info-card {
  border-top: 1px solid var(--surface-border);
  padding-top: 10px;
}

.shop-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.shop-subtext {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Card Section */
.step-card {
  background: var(--surface-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.step-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-md);
  padding: 28px 16px;
  text-align: center;
  background: rgba(99, 102, 241, 0.05);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  transform: translateY(-1px);
}

.upload-icon {
  font-size: 38px;
  margin-bottom: 8px;
  display: block;
}

.upload-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.upload-subtitle {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.file-input-hidden {
  display: none;
}

/* Selected File Pill */
.file-preview-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--surface-border);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  animation: fadeIn 0.3s ease;
}

.file-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.file-icon {
  font-size: 24px;
}

.file-name {
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}

.file-specs {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 500;
}

.btn-change-file {
  background: transparent;
  border: none;
  color: #ef4444;
  font-size: 0.8rem;
  cursor: pointer;
  font-weight: 600;
}

/* Settings Controls */
.settings-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.control-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  display: block;
}

.segment-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.segment-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 12px 8px;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.segment-btn .rate-pill {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent-cyan);
}

.segment-btn.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(6, 182, 212, 0.25));
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.counter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 8px 12px;
}

.counter-ctrl {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-counter {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-counter:hover {
  background: var(--primary);
}

.counter-val {
  font-size: 1rem;
  font-weight: 700;
  min-width: 24px;
  text-align: center;
}

/* Page Selection Input */
.page-range-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  color: #fff;
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s;
}

.page-range-input:focus {
  border-color: var(--primary);
}

/* Price Breakdown Banner */
.cost-summary-card {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(6, 182, 212, 0.15));
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cost-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.cost-formula {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.grand-total {
  font-size: 1.6rem;
  font-weight: 800;
  color: #34d399;
}

/* Primary Button */
.btn-primary-action {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 15px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--primary-glow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary-action:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.6);
}

.btn-primary-action:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Payment Modal / Sheet */
.upi-qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: white;
  padding: 18px;
  border-radius: var(--radius-md);
  margin: 10px 0;
}

.upi-qr-img {
  width: 200px;
  height: 200px;
  display: block;
}

.upi-id-badge {
  color: #1e293b;
  font-size: 0.85rem;
  font-weight: 600;
  background: #f1f5f9;
  padding: 4px 10px;
  border-radius: 6px;
}

.upi-apps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 8px;
}

.upi-app-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 10px 6px;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}

.upi-app-btn:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* Progress & Live Tracker */
.progress-stepper {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 14px 0;
}

.stepper-item {
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0.4;
  transition: opacity 0.3s ease;
}

.stepper-item.active {
  opacity: 1;
}

.stepper-item.completed {
  opacity: 1;
  color: #34d399;
}

.stepper-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.stepper-item.active .stepper-icon {
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow);
  animation: pulse-glow 1.5s infinite;
}

.stepper-item.completed .stepper-icon {
  background: #10b981;
}

.stepper-text {
  font-size: 0.9rem;
  font-weight: 600;
}

.stepper-subtext {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.success-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.2));
  border: 1px solid #10b981;
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.hidden {
  display: none !important;
}