@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Inconsolata:wght@400;500;600;700;800&display=swap');

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

:root {
  --bg: #09090f;
  --surface: #111118;
  --surface-2: #1a1a24;
  --border: rgba(255, 255, 255, 0.07);
  --text: #eeeef2;
  --text-dim: #7c7c96;
  --accent: #6c5ce7;
  --accent-glow: rgba(108, 92, 231, 0.25);
  --radius: 16px;
  --radius-sm: 10px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 25% 10%, rgba(108, 92, 231, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 75% 90%, rgba(0, 180, 216, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 920px;
  display: flex;
  flex-direction: row;
  gap: 32px;
  align-items: flex-start;
}

.form-wrapper {
  flex: 1;
  min-width: 0;
}

.card-wrapper {
  flex: 0 0 400px;
  position: sticky;
  top: 40px;
}

/* ===================================
   CARD — EMV-standard real layout
   =================================== */
.card-wrapper {
  perspective: 1200px;
  padding: 6px;
}

/* Override container flex child */

.card {
  position: relative;
  width: 100%;
  aspect-ratio: 1.586; /* ISO/IEC 7810 ID-1 */
  border-radius: 16px;
  overflow: hidden;
  cursor: default;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  background: linear-gradient(145deg, #1b1b2f 0%, #162447 50%, #1f4068 100%);
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.card-shine {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  transition: background 0.15s;
}

.card-glow {
  position: absolute;
  inset: -2px;
  border-radius: 18px;
  background: conic-gradient(from 200deg, transparent 30%, rgba(108, 92, 231, 0.12) 50%, transparent 70%);
  z-index: -1;
  animation: glowSpin 10s linear infinite;
  opacity: 0;
  transition: opacity 0.4s;
}

.card:hover .card-glow { opacity: 1; }

@keyframes glowSpin { to { transform: rotate(360deg); } }

.card-front {
  position: relative;
  z-index: 2;
  height: 100%;
  padding: 22px 26px 20px;
  display: flex;
  flex-direction: column;
}

/* Top row: bank name + contactless */
.card-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.card-bank {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
}

.card-contactless {
  opacity: 0.6;
}

/* EMV Chip */
.card-chip {
  margin: 6px 0 16px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.35));
}

/* Card Number — clean OCR-readable, high contrast for wallet camera scan */
.card-number {
  display: flex;
  gap: 20px;
  margin-bottom: auto;
  padding: 6px 0;
}

.card-digit-group {
  font-family: 'Inconsolata', 'Consolas', 'Courier New', monospace;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 3px;
  color: #fff;
  /* Clean emboss — minimal shadow so OCR reads digits, not blur */
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.5);
  min-width: 0;
  -webkit-font-smoothing: antialiased;
}

.card-digit-group.typing {
  color: #fff;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.5);
}

/* Amex: 3 groups layout */
.card-number.amex-layout {
  gap: 16px;
}

.card-number.amex-layout .card-digit-group {
  font-size: 21px;
  letter-spacing: 2.5px;
}

/* Bottom row */
.card-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 10px;
}

.card-info-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.card-valid-thru {
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-micro-label {
  font-size: 6.5px;
  line-height: 1.3;
  letter-spacing: 0.8px;
  color: rgba(255, 255, 255, 0.35);
  font-weight: 500;
  text-transform: uppercase;
  flex-shrink: 0;
}

.card-expiry-value {
  font-family: 'Inconsolata', 'Consolas', monospace;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.5);
}

.card-holder-name {
  font-family: 'Inconsolata', 'Consolas', monospace;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.95);
  text-transform: uppercase;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
}

/* Network logo — bottom right like real cards */
.card-network-logo {
  flex-shrink: 0;
  display: flex;
  align-items: flex-end;
  height: 40px;
}

.card-network-logo svg {
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.3));
}

/* ===================================
   CARD BRAND THEMES
   =================================== */
.card.visa {
  background: linear-gradient(145deg, #0d1b4a 0%, #1b2d6b 40%, #1e3a8a 100%);
}
.card.mastercard {
  background: linear-gradient(145deg, #1a1a2e 0%, #2b1a3d 40%, #1a1a2e 100%);
}
.card.amex {
  background: linear-gradient(145deg, #0e3b6e 0%, #1565a0 40%, #1976d2 100%);
}
.card.discover {
  background: linear-gradient(145deg, #1a1a28 0%, #2c1e05 40%, #3e2a06 100%);
}
.card.diners {
  background: linear-gradient(145deg, #0a2540 0%, #134074 40%, #1a5296 100%);
}
.card.jcb {
  background: linear-gradient(145deg, #0d3b0d 0%, #1b5e20 40%, #2e7d32 100%);
}
.card.unionpay {
  background: linear-gradient(145deg, #6b0f1a 0%, #9b1b30 40%, #6b0f1a 100%);
}

/* ===================================
   FORM
   =================================== */
.form-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.form-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 2px;
}

.form-subtitle {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 22px;
}

.form-subtitle code {
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--accent);
  border: 1px solid var(--border);
}

.input-group {
  margin-bottom: 16px;
}

.input-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

.input-wrapper {
  position: relative;
}

.input-wrapper input {
  width: 100%;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: 15px;
  font-family: 'Inconsolata', 'Consolas', monospace;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  letter-spacing: 1px;
}

.input-wrapper.has-brand input {
  padding-right: 52px;
}

.input-wrapper input::placeholder {
  color: rgba(124, 124, 150, 0.4);
  font-family: 'Inconsolata', monospace;
}

.input-wrapper input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-wrapper input.valid {
  border-color: #2ecc71;
  box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.12);
}

.input-wrapper input.invalid {
  border-color: #e74c3c;
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.12);
}

.input-brand-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  pointer-events: none;
  height: 24px;
}

.input-hint {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 5px;
  opacity: 0.7;
}

.input-hint code {
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 10px;
  color: var(--accent);
  border: 1px solid var(--border);
}

/* Quick paste group */
.paste-group .input-wrapper input {
  border-color: rgba(108, 92, 231, 0.2);
  background: rgba(108, 92, 231, 0.06);
}

.paste-group .input-wrapper input:focus {
  border-color: var(--accent);
  background: rgba(108, 92, 231, 0.1);
}

.paste-group .input-wrapper input.filled {
  border-color: #2ecc71;
  background: rgba(46, 204, 113, 0.06);
  box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.1);
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
  color: var(--text-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Autofill flash animation */
@keyframes autofillFlash {
  0% { box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(108, 92, 231, 0.15); }
  100% { box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.12); }
}

.input-wrapper input.autofilled {
  animation: autofillFlash 0.6s ease;
  border-color: #2ecc71;
}

.input-row {
  display: flex;
  gap: 12px;
}

.input-row .input-group {
  flex: 1;
}

/* Pay Button */
.pay-btn {
  width: 100%;
  padding: 15px;
  margin-top: 6px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.2s;
}

.pay-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.12) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.5s;
}

.pay-btn:hover::before { transform: translateX(100%); }
.pay-btn:hover {
  box-shadow: 0 6px 24px var(--accent-glow);
  transform: translateY(-1px);
}
.pay-btn:active { transform: translateY(0); }

.pay-btn.loading .btn-text { opacity: 0; }
.pay-btn.loading .btn-loader { display: block; }

.btn-loader {
  display: none;
  position: absolute;
  top: 50%; left: 50%;
  width: 20px; height: 20px;
  margin: -10px 0 0 -10px;
  border: 2.5px solid rgba(255,255,255,0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Wallet badges */
.wallet-row {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 16px;
}

.wallet-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  background: var(--surface-2);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.wallet-badge:hover {
  border-color: rgba(255,255,255,0.12);
  color: var(--text);
}

/* ===================================
   SUCCESS OVERLAY
   =================================== */
.success-overlay {
  position: fixed;
  inset: 0;
  background: rgba(9, 9, 15, 0.92);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s;
}

.success-overlay.show {
  opacity: 1;
  pointer-events: all;
}

.success-content {
  text-align: center;
  transform: scale(0.85);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.success-overlay.show .success-content {
  transform: scale(1);
}

.success-check {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2ecc71, #27ae60);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 8px 32px rgba(46, 204, 113, 0.3);
}

.success-check svg {
  width: 36px; height: 36px;
  stroke: #fff;
  stroke-width: 3;
  fill: none;
}

.success-text {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 6px;
}

.success-sub {
  color: var(--text-dim);
  font-size: 13px;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 860px) {
  .container {
    flex-direction: column-reverse;
    max-width: 440px;
    gap: 24px;
  }
  .card-wrapper {
    flex: none;
    width: 100%;
    position: static;
  }
}

@media (max-width: 480px) {
  .container { gap: 20px; }
  .card-front { padding: 18px 20px 16px; }
  .card-number { gap: 10px; }
  .card-digit-group { font-size: 19px; letter-spacing: 2px; }
  .card-number.amex-layout .card-digit-group { font-size: 17px; }
  .card-holder-name { font-size: 11px; max-width: 180px; }
  .form-wrapper { padding: 22px 18px; }
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-wrapper { animation: fadeUp 0.5s ease-out; }
.form-wrapper { animation: fadeUp 0.5s ease-out 0.1s both; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-5px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}