/* CTRLPlus AI Labs and Hardware - Sovereign Payment Gateway
   Minimalist, high-density fintech design (Zero AI Slop)
   Auto Light / Dark mode via prefers-color-scheme & manual data-theme override */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Default Light Mode */
  --bg-canvas: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-active: #e2e8f0;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-subtle: #e0f2fe;
  --success: #059669;
  --success-subtle: #d1fae5;
  --warning: #d97706;
  --warning-subtle: #fef3c7;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-canvas: #09090b;
    --bg-surface: #121215;
    --bg-subtle: #18181b;
    --bg-active: #27272a;
    --border-subtle: #27272a;
    --border-strong: #3f3f46;
    --text-main: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary: #38bdf8;
    --primary-hover: #7dd3fc;
    --primary-subtle: rgba(56, 189, 248, 0.12);
    --success: #10b981;
    --success-subtle: rgba(16, 185, 129, 0.12);
    --warning: #f59e0b;
    --warning-subtle: rgba(245, 158, 11, 0.12);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  }
}

:root[data-theme="dark"] {
  --bg-canvas: #09090b;
  --bg-surface: #121215;
  --bg-subtle: #18181b;
  --bg-active: #27272a;
  --border-subtle: #27272a;
  --border-strong: #3f3f46;
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --primary: #38bdf8;
  --primary-hover: #7dd3fc;
  --primary-subtle: rgba(56, 189, 248, 0.12);
  --success: #10b981;
  --success-subtle: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --warning-subtle: rgba(245, 158, 11, 0.12);
}

:root[data-theme="light"] {
  --bg-canvas: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-active: #e2e8f0;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-subtle: #e0f2fe;
  --success: #059669;
  --success-subtle: #d1fae5;
  --warning: #d97706;
  --warning-subtle: #fef3c7;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-main);
  line-height: 1.5;
  font-size: 14px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.tabular {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

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

/* Header */
.gateway-header {
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-badge {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: -0.5px;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--text-main);
  color: var(--bg-canvas);
}

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

.brand-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-main);
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--success);
  background: var(--success-subtle);
  padding: 4px 8px;
  border-radius: 12px;
  font-weight: 600;
}

.theme-toggle-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 5px 9px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s ease;
}

.theme-toggle-btn:hover {
  background: var(--bg-active);
  color: var(--text-main);
}

/* Main Container */
.checkout-wrapper {
  max-width: 1040px;
  margin: 32px auto;
  padding: 0 20px;
  flex: 1;
  width: 100%;
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 820px) {
  .checkout-grid {
    grid-template-columns: 1fr;
  }
}

/* Card Common */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.panel-body {
  padding: 20px;
}

/* Order Summary */
.order-amount-display {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.order-amount-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.order-amount-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.8px;
  color: var(--text-main);
  margin-top: 4px;
}

.timer-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 10px 14px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  font-size: 12px;
}

.timer-label {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.timer-countdown {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--warning);
}

.order-line-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.order-item-desc {
  flex: 1;
}

.order-item-title {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-main);
}

.order-item-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.order-item-price {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-main);
}

.order-breakdown-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.order-breakdown-row.total-row {
  padding-top: 14px;
  margin-top: 6px;
  border-top: 1px solid var(--border-strong);
  font-weight: 700;
  font-size: 14px;
  color: var(--text-main);
}

/* Payment Selector Tabs */
.payment-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: var(--bg-subtle);
  padding: 4px;
  border-radius: 8px;
  margin-bottom: 20px;
  border: 1px solid var(--border-subtle);
}

.tab-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  padding: 9px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  background: var(--bg-surface);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-subtle);
}

/* QRIS Section */
.qris-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qris-badge-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 14px;
}

.qris-logo {
  font-weight: 900;
  letter-spacing: -0.5px;
  font-size: 16px;
  color: var(--text-main);
  font-family: var(--font-sans);
}

.gpn-badge {
  font-size: 10px;
  font-weight: 700;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 2px 5px;
  border-radius: 3px;
}

.qr-box-wrapper {
  background: #ffffff;
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  display: inline-block;
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
}

#qris-qr-code {
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#qris-qr-code img, #qris-qr-code canvas {
  display: block !important;
  margin: 0 auto;
}

.nmid-label {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.app-supported-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 14px 0 20px;
}

.app-pill {
  font-size: 11px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 3px 8px;
  border-radius: 12px;
}

/* Bank Transfer Section */
.bank-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 18px;
}

.bank-option {
  border: 1px solid var(--border-subtle);
  background: var(--bg-subtle);
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.15s ease;
}

.bank-option:hover {
  border-color: var(--border-strong);
}

.bank-option.selected {
  border-color: var(--primary);
  background: var(--primary-subtle);
}

.bank-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 11px;
  color: var(--primary);
}

.bank-info-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
}

.bank-info-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.copy-field-group {
  margin-bottom: 12px;
}

.copy-field-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.copy-field-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 10px 14px;
  border-radius: 6px;
}

.copy-field-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  font-family: var(--font-mono);
}

.copy-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.15s ease;
}

.copy-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.copy-btn.copied {
  background: var(--success);
  color: #ffffff;
  border-color: var(--success);
}

/* Crypto Section */
.crypto-network-row {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.network-pill {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-subtle);
  border-radius: 6px;
  text-align: center;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.network-pill.selected {
  border-color: var(--primary);
  background: var(--primary-subtle);
  color: var(--text-main);
}

.crypto-amount-badge {
  text-align: center;
  padding: 12px;
  background: var(--bg-subtle);
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.crypto-amount-val {
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-main);
}

.crypto-rate-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Actions & Footer */
.primary-action-btn {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 16px;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

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

.guarantee-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 11px;
  color: var(--text-muted);
}

.footer-bar {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 16px 20px;
  margin-top: 40px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

.footer-bar a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

/* Modal Overlay for Success */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

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

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 32px 24px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.success-check-circle {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--success-subtle);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
  font-weight: bold;
}