/* ========================================
   KYC VERIFY — Global Design System
   Premium Dark Mode + Glassmorphism
   ======================================== */

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

/* ── CSS Custom Properties ── */
:root {
  --bg-primary: #0a0f1e;
  --bg-secondary: #0f1629;
  --bg-tertiary: #141c32;
  --bg-card: rgba(20, 28, 50, 0.8);
  --bg-card-hover: rgba(25, 35, 60, 0.9);
  --bg-glass: rgba(15, 22, 41, 0.6);
  --bg-input: rgba(15, 22, 41, 0.5);
  --bg-input-focus: rgba(20, 30, 55, 0.7);

  --accent-primary: #3b82f6;
  --accent-secondary: #6366f1;
  --accent-gradient: linear-gradient(135deg, #3b82f6, #6366f1);
  --accent-gradient-hover: linear-gradient(135deg, #2563eb, #4f46e5);
  --accent-glow: rgba(59, 130, 246, 0.3);
  --accent-glow-strong: rgba(59, 130, 246, 0.5);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-muted: #475569;

  --border-color: rgba(59, 130, 246, 0.15);
  --border-color-hover: rgba(59, 130, 246, 0.3);
  --border-color-focus: rgba(59, 130, 246, 0.5);

  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
  --shadow-glow-strong: 0 0 40px rgba(59, 130, 246, 0.25);

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-xs: 0.75rem;
  --font-sm: 0.875rem;
  --font-md: 1rem;
  --font-lg: 1.125rem;
  --font-xl: 1.25rem;
  --font-2xl: 1.5rem;
  --font-3xl: 2rem;
  --font-4xl: 2.5rem;
  --font-5xl: 3.5rem;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-family); background: var(--bg-primary); color: var(--text-primary); line-height: 1.6; min-height: 100vh; overflow-x: hidden; }
a { color: var(--accent-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-secondary); }
img { max-width: 100%; height: auto; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

.glass-card { background: var(--bg-card); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid var(--border-color); border-radius: var(--radius-xl); box-shadow: var(--shadow-md), var(--shadow-glow); transition: all var(--transition-normal); }
.glass-card:hover { border-color: var(--border-color-hover); box-shadow: var(--shadow-lg), var(--shadow-glow-strong); transform: translateY(-2px); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border: none; border-radius: var(--radius-md); font-family: var(--font-family); font-size: var(--font-md); font-weight: 600; cursor: pointer; transition: all var(--transition-normal); text-decoration: none; position: relative; overflow: hidden; }
.btn::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent); transition: left var(--transition-slow); }
.btn:hover::before { left: 100%; }
.btn-primary { background: var(--accent-gradient); color: #ffffff; box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3); }
.btn-primary:hover { background: var(--accent-gradient-hover); transform: translateY(-2px) scale(1.02); box-shadow: 0 6px 25px rgba(59, 130, 246, 0.4); }
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-secondary { background: var(--bg-tertiary); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--border-color-hover); transform: translateY(-1px); }
.btn-danger { background: linear-gradient(135deg, #ef4444, #dc2626); color: #ffffff; box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3); }
.btn-danger:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(239, 68, 68, 0.4); }
.btn-success { background: linear-gradient(135deg, #10b981, #059669); color: #ffffff; box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3); }
.btn-success:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(16, 185, 129, 0.4); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid transparent; }
.btn-ghost:hover { background: var(--bg-glass); color: var(--text-primary); border-color: var(--border-color); }
.btn-sm { padding: 8px 16px; font-size: var(--font-sm); }
.btn-lg { padding: 18px 36px; font-size: var(--font-lg); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

.form-group { position: relative; margin-bottom: 24px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 26px 16px 10px; background: var(--bg-input); border: 1px solid var(--border-color); border-radius: var(--radius-md); color: var(--text-primary); font-family: var(--font-family); font-size: var(--font-md); transition: all var(--transition-normal); outline: none; appearance: none; -webkit-appearance: none; }
.form-group select { cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { background: var(--bg-input-focus); border-color: var(--accent-primary); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15); }
.form-group label { position: absolute; top: 50%; left: 16px; transform: translateY(-50%); color: var(--text-tertiary); font-size: var(--font-md); pointer-events: none; transition: all var(--transition-fast); z-index: 1; }
.form-group textarea ~ label { top: 18px; transform: none; }
.form-group input:focus ~ label, .form-group input:not(:placeholder-shown) ~ label, .form-group select:focus ~ label, .form-group select:not([value=""]) ~ label, .form-group textarea:focus ~ label, .form-group textarea:not(:placeholder-shown) ~ label, .form-group .has-value ~ label { top: 6px; transform: none; font-size: 11px; color: var(--accent-primary); }
.form-group .validation-icon { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 16px; transition: all var(--transition-fast); }
.form-group.valid .validation-icon { color: var(--success); }
.form-group.invalid .validation-icon { color: var(--error); }
.form-group.valid input, .form-group.valid select { border-color: var(--success); }
.form-group.invalid input, .form-group.invalid select { border-color: var(--error); }
.form-error { color: var(--error); font-size: var(--font-xs); margin-top: 6px; display: flex; align-items: center; gap: 4px; animation: slideDown 0.2s ease; }

.loading-spinner { width: 32px; height: 32px; border: 3px solid var(--border-color); border-top-color: var(--accent-primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
.loading-spinner-sm { width: 18px; height: 18px; border-width: 2px; }

.toast-container { position: fixed; top: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 12px; }
.toast { background: var(--bg-card); backdrop-filter: blur(20px); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 16px 24px; color: var(--text-primary); font-size: var(--font-sm); box-shadow: var(--shadow-lg); animation: slideInRight 0.3s ease; display: flex; align-items: center; gap: 12px; min-width: 300px; }
.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--error); }
.toast-warning { border-left: 3px solid var(--warning); }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: var(--radius-full); font-size: var(--font-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.badge-pending { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.2); }
.badge-approved { background: var(--success-bg); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-rejected { background: var(--error-bg); color: var(--error); border: 1px solid rgba(239, 68, 68, 0.2); }
.badge-progress { background: rgba(59, 130, 246, 0.1); color: var(--accent-primary); border: 1px solid rgba(59, 130, 246, 0.2); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 640px; }
.container-md { max-width: 800px; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(100px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes glow { 0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.2); } 50% { box-shadow: 0 0 40px rgba(59, 130, 246, 0.4); } }
@keyframes shimmer { 0% { background-position: -200% center; } 100% { background-position: 200% center; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes checkmarkDraw { 0% { stroke-dashoffset: 100; } 100% { stroke-dashoffset: 0; } }
@keyframes confetti { 0% { transform: translateY(0) rotate(0deg); opacity: 1; } 100% { transform: translateY(-500px) rotate(720deg); opacity: 0; } }

.modal-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.7); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; z-index: 1000; animation: fadeIn 0.2s ease; padding: 24px; }
.modal-content { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-xl); padding: 32px; max-width: 500px; width: 100%; animation: scaleIn 0.3s ease; box-shadow: var(--shadow-lg); }
.modal-content h2 { font-size: var(--font-xl); margin-bottom: 16px; }

.lang-toggle { display: flex; align-items: center; gap: 4px; background: var(--bg-glass); border: 1px solid var(--border-color); border-radius: var(--radius-full); padding: 4px; cursor: pointer; }
.lang-toggle button { background: transparent; border: none; color: var(--text-tertiary); font-size: var(--font-xs); font-weight: 600; padding: 6px 12px; border-radius: var(--radius-full); cursor: pointer; transition: all var(--transition-fast); font-family: var(--font-family); }
.lang-toggle button.active { background: var(--accent-primary); color: #ffffff; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0; }
.text-gradient { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

@media (max-width: 768px) {
  :root { --font-5xl: 2.25rem; --font-4xl: 1.75rem; --font-3xl: 1.5rem; }
  .container { padding: 0 16px; }
  .btn { padding: 12px 20px; font-size: var(--font-sm); }
  .btn-lg { padding: 14px 28px; font-size: var(--font-md); }
  .toast-container { top: 12px; right: 12px; left: 12px; }
  .toast { min-width: auto; }
  .modal-overlay { padding: 16px; align-items: flex-end; }
  .modal-content { padding: 24px; border-radius: var(--radius-xl) var(--radius-xl) 0 0; max-height: 85vh; overflow-y: auto; }
}
@media (min-width: 769px) and (max-width: 1024px) { .container { padding: 0 20px; } }