/* ============================================================
   SamaCv — Global Design System
   Design tokens, utilities, shared components
   ============================================================ */

/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;700;900&family=Outfit:wght@300;400;500;600;700&display=swap');

/* ===== CSS CUSTOM PROPERTIES (DESIGN TOKENS) ===== */
:root {
  /* — Theme colors (overridden per user) — */
  --primary: #1a3a5c;
  --accent: #c9a84c;
  --accent2: #e8c97a;

  /* — Derived colors — */
  --primary-light: color-mix(in srgb, var(--primary) 85%, white);
  --primary-dark: color-mix(in srgb, var(--primary) 100%, black 15%);
  --accent-light: color-mix(in srgb, var(--accent) 40%, white);
  --accent-glow: color-mix(in srgb, var(--accent) 20%, transparent);

  /* — Neutral palette — */
  --bg-body: #f0f2f5;
  --bg-card: #ffffff;
  --bg-elevated: #fafbfc;
  --bg-muted: #f7f8fa;
  --border: #e2e8f0;
  --border-light: #edf2f7;

  /* — Text — */
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --text-inverse: #f0f4f8;

  /* — Status — */
  --success: #38a169;
  --danger: #e53e3e;
  --warning: #d69e2e;
  --info: #3182ce;

  /* — Spacing scale — */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* — Border radius — */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* — Shadows — */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.18);
  --shadow-glow: 0 0 30px var(--accent-glow);

  /* — Typography — */
  --font-sans: 'Inter', 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-display: 'Outfit', 'Inter', sans-serif;

  /* — Transitions — */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-body);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

img {
  max-width: 100%;
  display: block;
}

ul, ol {
  list-style: none;
}

/* ===== TYPOGRAPHY ===== */
.text-xs { font-size: 0.72rem; }
.text-sm { font-size: 0.82rem; }
.text-base { font-size: 0.875rem; }
.text-md { font-size: 1rem; }
.text-lg { font-size: 1.15rem; }
.text-xl { font-size: 1.35rem; }
.text-2xl { font-size: 1.6rem; }
.text-3xl { font-size: 2rem; }
.text-4xl { font-size: 2.5rem; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 800; }

.font-serif { font-family: var(--font-serif); }
.font-display { font-family: var(--font-display); }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-primary-color { color: var(--primary); }

.uppercase {
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* ===== SHARED COMPONENTS ===== */

/* — Buttons — */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.84rem;
  font-weight: 600;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.15), transparent);
  pointer-events: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn-primary {
  background: var(--primary);
  color: var(--text-inverse);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.btn-primary:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: var(--primary);
  box-shadow: 0 2px 12px var(--accent-glow);
}

.btn-accent:hover {
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(201, 168, 76, 0.04);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background: #c53030;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.76rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 0.95rem;
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-icon.btn-sm {
  width: 30px;
  height: 30px;
}

/* — Form elements — */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}

.form-input,
.form-select,
.form-textarea {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--text-primary);
  background: var(--bg-elevated);
  outline: none;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-card);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

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

/* — Cards — */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  transition: all var(--duration-normal) var(--ease-out);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* — Toast notification — */
.toast {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: var(--primary);
  color: var(--text-inverse);
  border-left: 4px solid var(--accent);
  padding: 14px 22px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  transform: translateX(120%);
  transition: transform 0.4s var(--ease-bounce);
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 360px;
}

.toast.show {
  transform: translateX(0);
}

.toast.success {
  border-left-color: var(--success);
}

.toast.error {
  border-left-color: var(--danger);
}

.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }

/* — Loading spinner — */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.spinner-dark {
  border-color: rgba(0, 0, 0, 0.1);
  border-top-color: var(--primary);
}

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

/* — Tag chips — */
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--primary);
  color: var(--text-inverse);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.tag-chip-del {
  cursor: pointer;
  opacity: 0.6;
  font-size: 0.7rem;
  transition: opacity var(--duration-fast);
}

.tag-chip-del:hover {
  opacity: 1;
}

/* ===== 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 fadeInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

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

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

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

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.animate-fade-in { animation: fadeIn 0.5s ease both; }
.animate-fade-in-up { animation: fadeInUp 0.5s var(--ease-out) both; }
.animate-fade-in-down { animation: fadeInDown 0.5s var(--ease-out) both; }
.animate-scale-in { animation: scaleIn 0.4s var(--ease-out) both; }

/* Staggered animations */
.stagger > *:nth-child(1) { animation-delay: 0.05s; }
.stagger > *:nth-child(2) { animation-delay: 0.1s; }
.stagger > *:nth-child(3) { animation-delay: 0.15s; }
.stagger > *:nth-child(4) { animation-delay: 0.2s; }
.stagger > *:nth-child(5) { animation-delay: 0.25s; }
.stagger > *:nth-child(6) { animation-delay: 0.3s; }
.stagger > *:nth-child(7) { animation-delay: 0.35s; }
.stagger > *:nth-child(8) { animation-delay: 0.4s; }

/* ===== UTILITY CLASSES ===== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.w-full { width: 100%; }
.h-full { height: 100%; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.25);
}

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