@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&display=swap');

/* ===== CSS Variables ===== */
:root {
  --bg-primary: #050510;
  --bg-secondary: #0a0a1a;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.08);
  --surface-active: rgba(99, 102, 241, 0.08);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #06b6d4;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #475569;
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --success-border: rgba(16, 185, 129, 0.25);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);
  --error-border: rgba(239, 68, 68, 0.25);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --warning-border: rgba(245, 158, 11, 0.25);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.6);
  --glow: 0 0 40px rgba(99, 102, 241, 0.15);
  --glow-lg: 0 0 80px rgba(99, 102, 241, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ===== Background Decorations ===== */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.18), transparent 70%);
  top: -250px;
  left: -200px;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle at center, rgba(139, 92, 246, 0.15), transparent 70%);
  bottom: -200px;
  right: -150px;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle at center, rgba(6, 182, 212, 0.1), transparent 70%);
  top: 50%;
  right: 10%;
}

/* ===== Layout ===== */
.page-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-sm {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navbar ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 5, 16, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

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

.brand-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-tagline {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text);
  background: var(--surface-hover);
}

.nav-link.active {
  color: var(--primary-light);
  background: var(--surface-active);
}

.nav-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: white;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.nav-badge:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.45);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
  outline: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45);
}

.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary-light);
  background: var(--surface-active);
}

.btn-ghost {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--surface-hover);
  color: var(--text);
  border-color: var(--border-hover);
}

.btn-danger {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.2);
}

.btn-success {
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  gap: 5px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn-icon {
  padding: 8px;
  border-radius: var(--radius-sm);
}

/* ===== Cards ===== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card-body { padding: 24px; }

/* ===== Form Elements ===== */
.form-group { margin-bottom: 20px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-label .required {
  color: var(--error);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  transition: all 0.2s ease;
  outline: none;
  -webkit-appearance: none;
}

.form-control:focus {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.06);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.form-control::placeholder {
  color: var(--text-dim);
}

select.form-control {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

select.form-control option {
  background: #1e1b4b;
  color: var(--text);
}

textarea.form-control {
  resize: vertical;
  min-height: 88px;
  line-height: 1.6;
}

input[type="date"].form-control::-webkit-calendar-picker-indicator {
  filter: invert(0.6);
  cursor: pointer;
}

/* ===== Status Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid;
}

.badge-valid {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success);
}

.badge-invalid {
  background: var(--error-bg);
  border-color: var(--error-border);
  color: var(--error);
}

.badge-expired {
  background: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning);
}

.badge-dot::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

/* ===== Table ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead th {
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text);
  vertical-align: middle;
}

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

.data-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.td-mono {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--primary-light);
}

/* ===== Loading ===== */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(99, 102, 241, 0.15);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px 24px;
  text-align: center;
}

.loading-state p {
  color: var(--text-muted);
  font-size: 14px;
}

/* ===== Empty/Error States ===== */
.empty-state {
  padding: 60px 24px;
  text-align: center;
}

.empty-state-icon {
  font-size: 40px;
  margin-bottom: 16px;
  display: block;
}

.empty-state-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-state-desc {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== Toast Notifications ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  animation: slideInRight 0.3s ease;
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
  max-width: 380px;
  border: 1px solid;
  pointer-events: all;
  box-shadow: var(--shadow);
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideOutRight {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(24px); }
}

.toast.leaving { animation: slideOutRight 0.25s ease forwards; }

.toast-success {
  background: rgba(16, 185, 129, 0.12);
  border-color: var(--success-border);
  color: #6ee7b7;
}

.toast-error {
  background: rgba(239, 68, 68, 0.12);
  border-color: var(--error-border);
  color: #fca5a5;
}

.toast-info {
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 480px;
  animation: scaleIn 0.25s ease;
  box-shadow: var(--shadow-lg);
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 18px;
  padding: 4px 6px;
  border-radius: 6px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
}

.modal-close:hover {
  color: var(--text);
  background: var(--surface-hover);
}

.modal-body { padding: 24px; }

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* ===== Typography ===== */
.gradient-text {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--surface-active);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ===== Divider ===== */
.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.animate-fade-in { animation: fadeIn 0.4s ease forwards; }
.animate-fade-in-up { animation: fadeInUp 0.5s ease forwards; }

/* ===== Grid Utilities ===== */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ===== Flex Utilities ===== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.shrink-0 { flex-shrink: 0; }

/* ===== Spacing Utilities ===== */
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }

/* ===== Text Utilities ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-mono { font-family: 'Courier New', monospace; }

/* ===== Width Utilities ===== */
.w-full { width: 100%; }

/* ===== Info Row (for verify page) ===== */
.info-row {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.info-row:last-child {
  border-bottom: none;
}

.info-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--surface-active);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.info-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 3px;
}

.info-value {
  font-size: 14px;
  font-weight: 500;
}

/* ===== Verification Status (Large) ===== */
.verify-status-valid {
  background: linear-gradient(135deg, rgba(16,185,129,0.15), rgba(16,185,129,0.05));
  border: 1px solid var(--success-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: center;
}

.verify-status-invalid {
  background: linear-gradient(135deg, rgba(239,68,68,0.15), rgba(239,68,68,0.05));
  border: 1px solid var(--error-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: center;
}

.verify-status-expired {
  background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(245,158,11,0.05));
  border: 1px solid var(--warning-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  text-align: center;
}

.status-icon-large {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 16px;
}

.status-icon-valid {
  background: rgba(16,185,129,0.2);
  border: 2px solid var(--success-border);
}

.status-icon-invalid {
  background: rgba(239,68,68,0.2);
  border: 2px solid var(--error-border);
}

.status-icon-expired {
  background: rgba(245,158,11,0.2);
  border: 2px solid var(--warning-border);
}

.status-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.status-subtitle {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== QR Preview Box ===== */
.qr-preview-box {
  background: white;
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.qr-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #94a3b8;
  font-size: 13px;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .navbar-nav {
    display: none;
  }

  .container, .container-sm {
    padding: 0 16px;
  }

  .card-body {
    padding: 16px;
  }

  .modal {
    max-width: 100%;
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 480px) {
  .brand-tagline { display: none; }
  .toast-container { right: 16px; bottom: 16px; }
  .toast { min-width: 200px; }
}