/* ====================================================
   CARD — Virtual Card Management Styles
   Light theme matching Pixel Pro design system
   ==================================================== */

@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;500;600;700;800&family=Orbitron:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
  --bg-deep: #f5f7fa;
  --bg-primary: #ffffff;
  --bg-card: #ffffff;
  --border: rgba(0,0,0,0.08);
  --border-strong: rgba(0,0,0,0.14);
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --accent: #8b5cf6;
  --accent-light: #a78bfa;
  --accent-dim: rgba(139,92,246,0.08);
  --accent-glow: rgba(139,92,246,0.15);
  --green: #22c55e;
  --green-dim: rgba(34,197,94,0.08);
  --red: #ef4444;
  --red-dim: rgba(239,68,68,0.08);
  --cyan: #0ea5e9;
  --yellow: #f59e0b;
  --font-body: 'Exo 2', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Orbitron', 'Exo 2', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --radius-lg: 16px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 2px 8px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

/* ---- Header ---- */
.app-header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex; align-items: center; gap: 0.75rem;
}

.back-link {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}
.back-link:hover { background: var(--accent-dim); color: var(--accent); }

.logo-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}

.logo h1 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 1px;
}

/* ---- Main Content ---- */
.main-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* ---- Tabs ---- */
.tab-nav {
  display: flex;
  gap: 0.5rem;
  background: var(--bg-primary);
  padding: 0.375rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.tab-btn {
  flex: 1;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.7rem 1rem;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  touch-action: manipulation;
}

.tab-btn:hover {
  background: var(--accent-dim);
  color: var(--accent);
}

.tab-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}

/* ---- Tab Panels ---- */
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.25s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---- Glass Card ---- */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.card-heading {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.card-subtext {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* ---- Input Group ---- */
.input-group {
  display: flex; gap: 0.75rem;
  margin-bottom: 1rem;
}

.input-group input,
.input-group select {
  flex: 1;
  padding: 0.7rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background: var(--bg-deep);
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
}

.input-group input:focus,
.input-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

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

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  touch-action: manipulation;
}

.btn-primary:hover {
  box-shadow: 0 4px 16px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { opacity: 0.5; pointer-events: none; }

.btn-danger {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--red), #f87171);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-danger:hover { box-shadow: 0 4px 16px rgba(239,68,68,0.3); }

/* ---- Card Result / Visual ---- */
.card-result {
  margin-top: 1.5rem;
  animation: fadeIn 0.3s ease;
}

.result-header {
  display: flex; align-items: center; gap: 0.5rem;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 1rem;
}

.card-display {
  display: flex; flex-direction: column; gap: 1rem;
}

.card-visual {
  background: linear-gradient(135deg, #1e1b4b, #312e81, #4c1d95);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(30,27,75,0.4);
}

.card-visual::after {
  content: '';
  position: absolute;
  top: -50%; right: -50%;
  width: 100%; height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
}

.cv-chip {
  width: 40px; height: 28px;
  border-radius: 5px;
  background: linear-gradient(135deg, #d4af37, #f0c040);
}

.cv-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.cv-timer {
  display: flex; align-items: center; gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  border-radius: 20px;
  background: rgba(255,255,255,0.12);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #4ade80;
}

.cv-timer.warning { color: #fbbf24; }
.cv-timer.urgent {
  color: #f87171;
  animation: timerBlink 1s ease-in-out infinite;
}

@keyframes timerBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.cv-number {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  letter-spacing: 3px;
  margin-bottom: 1rem;
  word-spacing: 8px;
}

.cv-row {
  display: flex; gap: 2rem;
}

.cv-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.6;
  margin-bottom: 0.15rem;
}

.cv-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 1px;
}

/* ---- Expired Card ---- */
.card-expired {
  text-align: center;
  padding: 2rem;
  margin-top: 1.5rem;
  border-radius: var(--radius);
  background: var(--red-dim);
  border: 1px solid rgba(239,68,68,0.15);
  animation: fadeIn 0.3s ease;
}
.card-expired .expired-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}
.card-expired h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--red);
  margin-bottom: 0.35rem;
}
.card-expired p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Clickable copy fields on card visual */
.copyable {
  cursor: pointer;
  position: relative;
  z-index: 1;
  transition: opacity 0.15s;
  border-radius: 4px;
  padding: 2px 4px;
  margin: -2px -4px;
}
.copyable:hover { opacity: 0.75; }
.copyable:active { opacity: 0.5; }

/* Info items also copyable */
.info-item.copyable {
  cursor: pointer;
  transition: var(--transition);
}
.info-item.copyable:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.copy-actions {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}

.btn-copy {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex; align-items: center; gap: 0.35rem;
}
.btn-copy:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.btn-copy:disabled { opacity: 0.5; pointer-events: none; }

.btn-3ds {
  border-color: var(--green);
  color: var(--green);
}
.btn-3ds:hover {
  background: var(--green-dim);
  border-color: var(--green);
  color: var(--green);
}

.btn-cancel {
  border-color: var(--red);
  color: var(--red);
}
.btn-cancel:hover {
  background: var(--red-dim);
  border-color: var(--red);
  color: var(--red);
}

/* ---- Card Address ---- */
.card-address {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--bg-deep);
  border: 1px solid var(--border);
}
.address-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.85rem; font-weight: 600; color: var(--text-secondary);
}
.address-text {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.5;
}

/* ---- Inline 3DS Result ---- */
.tds-inline {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: var(--green-dim);
  border: 1px solid rgba(34,197,94,0.15);
  animation: fadeIn 0.25s ease;
}

.tds-header {
  display: flex; align-items: center; gap: 0.4rem;
  color: var(--green);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.tds-codes {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}

.otp-chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-xs);
  background: var(--bg-primary);
  border: 1px solid rgba(34,197,94,0.2);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green);
  cursor: pointer;
  transition: var(--transition);
  user-select: all;
}
.otp-chip:hover {
  background: var(--green-dim);
  border-color: var(--green);
  transform: scale(1.03);
}
.otp-chip:active { transform: scale(0.97); }

.otp-meta {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-muted);
  font-family: var(--font-body);
}

.tds-empty {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ---- Cancel Section ---- */
.cancel-section { margin-top: 1.5rem; }

.cancel-toggle {
  display: flex; align-items: center; gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.5rem 0;
  transition: var(--transition);
  user-select: none;
  list-style: none;
}
.cancel-toggle::-webkit-details-marker { display: none; }
.cancel-toggle:hover { color: var(--red); }

.cancel-content {
  padding-top: 1rem;
}

.warn-text {
  font-size: 0.8rem;
  color: var(--yellow);
  margin-top: 0.5rem;
}

/* ---- Info Grid (query result) ---- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.info-item {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
}

.info-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.info-value {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  word-break: break-all;
}

.section-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

/* ---- Data Table ---- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table th {
  background: var(--bg-deep);
  font-weight: 600;
  text-align: left;
  padding: 0.6rem 1rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

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

.data-table .mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ---- Toast ---- */
.toast-container {
  position: fixed;
  top: 1.5rem; right: 1.5rem;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 0.5rem;
}

.toast {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.info { border-left: 3px solid var(--accent); }

@keyframes slideIn { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: none; } }

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .main-content { padding: 1rem; }
  .glass-card { padding: 1.25rem; }
  .input-group { flex-direction: column; }
  .tds-inputs select { width: 100%; }
  .cv-number { font-size: 1.1rem; letter-spacing: 2px; }
  .tab-btn span { display: none; }
  .tab-btn { padding: 0.7rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0s !important; transition-duration: 0s !important; }
}