/* ============================================================
   MAIN.CSS — Design System & Global Styles — LIGHT THEME
   CuponPass — Directorio de Salud & Mascotas Chile
   ============================================================ */

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

/* ── CSS CUSTOM PROPERTIES ── */
:root {
  /* ── LIGHT BACKGROUND SYSTEM ── */
  --color-bg:       #f1f5f9;
  --color-bg-2:     #ffffff;
  --color-bg-3:     #f8fafc;
  --color-bg-4:     #e2e8f0;
  --color-surface:  rgba(255,255,255,1);
  --color-border:   rgba(59,130,246,0.3);
  --color-border-2: #e2e8f0;

  /* ── ACCENT COLORS (CuponPass) ── */
  --color-indigo:     #3b82f6;
  --color-indigo-2:   #2563eb;
  --color-indigo-light: rgba(59,130,246,0.12);
  --color-purple:     #a855f7;
  --color-violet:     #8b5cf6;

  /* ── SPECIALTY COLORS ── */
  --color-dental:     #0ea5e9;   /* azul claro — dentistas */
  --color-dental-bg:  rgba(14,165,233,0.08);
  --color-dental-border: rgba(14,165,233,0.25);
  --color-vet:        #10b981;   /* verde — veterinarios */
  --color-vet-bg:     rgba(16,185,129,0.08);
  --color-vet-border: rgba(16,185,129,0.25);

  /* ── COUPON / OFFER COLOR ── */
  --color-coupon:     #f97316;
  --color-coupon-bg:  rgba(249,115,22,0.1);
  --color-coupon-border: rgba(249,115,22,0.3);

  /* ── STATUS COLORS ── */
  --color-gold:       #f59e0b;
  --color-gold-2:     #fbbf24;
  --color-gold-light: rgba(245,158,11,0.12);
  --color-green:      #10b981;
  --color-green-bg:   rgba(16,185,129,0.1);
  --color-red:        #ef4444;
  --color-red-bg:     rgba(239,68,68,0.1);
  --color-orange:     #f97316;
  --color-orange-bg:  rgba(249,115,22,0.1);

  /* ── TEXT COLORS (DARK ON WHITE) ── */
  --color-text:       #0f172a;
  --color-text-2:     #475569;
  --color-text-3:     #94a3b8;

  /* ── GRADIENTS ── */
  --grad-indigo:  linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  --grad-gold:    linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  --grad-dental:  linear-gradient(135deg, #0ea5e9 0%, #3b82f6 100%);
  --grad-vet:     linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
  --grad-coupon:  linear-gradient(135deg, #f97316 0%, #ef4444 100%);
  --grad-hero:    linear-gradient(160deg, #f1f5f9 0%, #ffffff 50%, #f1f5f9 100%);
  --grad-card:    #ffffff;

  /* ── SHADOWS ── */
  --shadow-sm:  0 1px 2px rgba(15,23,42,0.04);
  --shadow-md:  0 4px 12px rgba(15,23,42,0.06), 0 2px 4px rgba(15,23,42,0.03);
  --shadow-lg:  0 8px 24px rgba(15,23,42,0.08), 0 4px 8px rgba(15,23,42,0.04);
  --shadow-glow:      0 0 24px rgba(59,130,246,0.2);
  --shadow-gold-glow: 0 0 20px rgba(245,158,11,0.25);
  --shadow-coupon:    0 4px 16px rgba(249,115,22,0.2);

  /* ── BORDER RADIUS ── */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* ── SPACING ── */
  --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; --space-20: 80px;

  /* ── TYPOGRAPHY ── */
  --font-family: 'Inter', system-ui, -apple-system, 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: 1.875rem; --font-4xl: 2.25rem;  --font-5xl: 3rem;
  --font-6xl: 3.75rem;

  /* ── TRANSITIONS ── */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* ── LAYOUT ── */
  --navbar-h: 68px;
  --sidebar-w: 240px;
  --max-w: 1280px;
}

/* ── DARK THEME ── */
[data-theme="dark"] {
  --color-bg:       #0f172a;
  --color-bg-2:     #1e293b;
  --color-bg-3:     #334155;
  --color-bg-4:     #475569;
  --color-surface:  rgba(15,23,42,0.9);
  --color-border:   rgba(99,102,241,0.5);
  --color-border-2: #334155;
  --color-text:       #f8fafc;
  --color-text-2:     #cbd5e1;
  --color-text-3:     #94a3b8;
  --grad-hero:    linear-gradient(160deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  --grad-card:    linear-gradient(145deg, #1e293b 0%, #0f172a 100%);
  --shadow-sm:    0 1px 3px 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);
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: var(--font-family); cursor: pointer; border: none; outline: none; }
input, textarea, select { font-family: var(--font-family); }
ul, ol { list-style: none; }

/* ── SCROLLBAR (LIGHT) ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg-3); }
::-webkit-scrollbar-thumb { background: var(--color-bg-4); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-indigo); }

/* ── TYPOGRAPHY UTILS ── */
.text-xs { font-size: var(--font-xs); } .text-sm { font-size: var(--font-sm); }
.text-md { font-size: var(--font-md); } .text-lg { font-size: var(--font-lg); }
.text-xl { font-size: var(--font-xl); } .text-2xl { font-size: var(--font-2xl); }
.text-3xl { font-size: var(--font-3xl); } .text-4xl { font-size: var(--font-4xl); }
.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-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }
.text-primary   { color: var(--color-text); }
.text-secondary { color: var(--color-text-2); }
.text-muted     { color: var(--color-text-3); }
.text-indigo    { color: var(--color-indigo); }
.text-gold      { color: var(--color-gold); }
.text-green     { color: var(--color-green); }
.text-red       { color: var(--color-red); }
.text-dental    { color: var(--color-dental); }
.text-vet       { color: var(--color-vet); }
.text-center { text-align: center; }
.text-right  { text-align: right; }

.gradient-text {
  background: var(--grad-indigo);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.gradient-dental-text {
  background: var(--grad-dental);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.gradient-vet-text {
  background: var(--grad-vet);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.gradient-gold-text {
  background: var(--grad-gold);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.gradient-coupon-text {
  background: var(--grad-coupon);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ── SPACING UTILS ── */
.mt-1{margin-top:var(--space-1)}.mt-2{margin-top:var(--space-2)}.mt-3{margin-top:var(--space-3)}
.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mt-8{margin-top:var(--space-8)}
.mb-2{margin-bottom:var(--space-2)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}
.mb-8{margin-bottom:var(--space-8)}

/* ── DISPLAY UTILS ── */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}
.w-full { width: 100%; }

/* ── SECTIONS ── */
.section    { padding: var(--space-16) 0; }
.section-sm { padding: var(--space-10) 0; }
.container  { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--space-6); }
.divider    { height: 1px; background: var(--color-border-2); margin: var(--space-6) 0; }

/* ── SUBTLE BG PATTERN (LIGHT) ── */
.bg-pattern {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    radial-gradient(circle at 15% 15%, rgba(99,102,241,0.05) 0%, transparent 50%),
    radial-gradient(circle at 85% 85%, rgba(14,165,233,0.05) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(16,185,129,0.03) 0%, transparent 70%);
}

/* ── ANIMATIONS ── */
@keyframes fadeInUp { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn   { from { opacity:0; } to { opacity:1; } }
@keyframes spin     { to { transform:rotate(360deg); } }
@keyframes pulse    { 0%,100% { opacity:1; } 50% { opacity:.6; } }
@keyframes slideInRight { from { transform:translateX(100%); opacity:0; } to { transform:translateX(0); opacity:1; } }
@keyframes slideOutRight { from { transform:translateX(0); opacity:1; } to { transform:translateX(100%); opacity:0; } }
@keyframes couponPop { 0% { transform:scale(1); } 50% { transform:scale(1.05); } 100% { transform:scale(1); } }

.animate-fadeInUp { animation: fadeInUp 0.45s ease both; }
.animate-fadeIn   { animation: fadeIn 0.35s ease both; }
.stagger-1{animation-delay:.05s}.stagger-2{animation-delay:.1s}.stagger-3{animation-delay:.15s}
.stagger-4{animation-delay:.2s}.stagger-5{animation-delay:.25s}

/* ── LOADING ── */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--color-bg-4);
  border-top-color: var(--color-indigo);
  border-radius: 50%; animation: spin 0.8s linear infinite;
  margin: var(--space-8) auto;
}
.loading-container {
  display: flex; align-items: center; justify-content: center;
  min-height: 300px; flex-direction: column;
  gap: var(--space-4); color: var(--color-text-2);
}

/* ── FORMS ── */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.form-label { font-size: var(--font-sm); font-weight: 600; color: var(--color-text-2); letter-spacing: 0.01em; }

.form-input, .form-textarea, .form-select {
  width: 100%; padding: 11px 16px;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border-2);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--font-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-indigo);
  box-shadow: 0 0 0 3px var(--color-indigo-light);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-3); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  padding-right: 40px; cursor: pointer; -webkit-appearance: none;
}
.form-select option { background: var(--color-bg); color: var(--color-text); }
.form-error { font-size: var(--font-xs); color: var(--color-red); margin-top: var(--space-1); }

/* ── EMPTY STATE ── */
.empty-state { text-align:center; padding: var(--space-16) var(--space-8); color: var(--color-text-2); }
.empty-state-icon { font-size:3rem; margin-bottom:var(--space-4); opacity:0.5; }
.empty-state h3 { font-size:var(--font-xl); color:var(--color-text); margin-bottom:var(--space-2); }