:root {
  --primary: #1A56DB;
  --primary-dark: #1E3A6A;
  --primary-light: #3B82F6;
  --primary-soft: #EFF6FF;
  --surface: #FFFFFF;
  --bg: #F8FAFC;
  --ink: #0F172A;
  --ink-soft: #64748B;
  --line: #E2E8F0;
  --green: #059669;
  --green-soft: #ECFDF5;
  --amber: #D97706;
  --amber-soft: #FFFBEB;
  --red: #DC2626;
  --red-soft: #FEF2F2;
  --slate: #94A3B8;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 10px 15px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.10), 0 8px 20px rgba(0,0,0,0.06);
  --glass-bg: rgba(255,255,255,0.78);
  --glass-border: rgba(255,255,255,0.5);
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Scrollbar ───────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--slate); }

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

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes shimmer-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes skeleton-loading {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, #E2E8F0 25%, #F1F5F9 50%, #E2E8F0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: 12px;
}

@keyframes progressFill {
  from { width: 0; }
}

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

.anim-fade-in { animation: fadeIn var(--transition-normal) ease-out; }
.anim-slide-up { animation: slideUp var(--transition-slow) ease-out; }
.anim-scale-in { animation: scaleIn var(--transition-normal) ease-out; }

/* ── Glass effect ────────────────────────────────────── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--glass-border);
}

/* ── Buttons ─────────────────────────────────────────── */
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button:active {
  transform: scale(0.97);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ── Inputs ──────────────────────────────────────────── */
input, select, textarea {
  font-family: inherit;
  font-size: 16px;
  border: 1.5px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.12);
}

input::placeholder, textarea::placeholder {
  color: var(--slate);
}

/* ── Link style ──────────────────────────────────────── */
a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: opacity var(--transition-fast);
}
a:hover { opacity: 0.8; }

/* ── Lucide spin animation ───────────────────────────────────────────────── */
@keyframes lucide-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.lucide-spin { animation: lucide-spin 1s linear infinite; }

/* ── Print ───────────────────────────────────────────── */
@media print {
  .no-print { display: none !important; }
  .print-only { display: block !important; }
}
.print-only { display: none; }