/* ========================================
   SARAY BELEDİYESİ VETERİNER TAKİP
   CSS Design Tokens & Base Styles
   ======================================== */

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

/* ---- CSS Variables ---- */
:root {
  /* Background Colors */
  --bg-base: #060b18;
  --bg-surface: #0d1425;
  --bg-elevated: #141c32;
  --bg-overlay: #1b2340;
  --bg-hover: #1e2a4a;

  /* Glass Effect */
  --glass-bg: rgba(13, 20, 37, 0.85);
  --glass-bg-light: rgba(20, 28, 50, 0.6);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-border-hover: rgba(255, 255, 255, 0.12);
  --glass-blur: blur(20px);

  /* Text Colors */
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;

  /* Accent Colors */
  --accent: #22d3ee;
  --accent-hover: #06b6d4;
  --accent-muted: rgba(34, 211, 238, 0.15);
  --accent-glow: rgba(34, 211, 238, 0.3);
  --gradient-primary: linear-gradient(135deg, #06b6d4, #8b5cf6);
  --gradient-accent: linear-gradient(135deg, #22d3ee, #3b82f6);
  --gradient-warm: linear-gradient(135deg, #f59e0b, #ef4444);
  --gradient-cool: linear-gradient(135deg, #10b981, #06b6d4);
  --gradient-sidebar: linear-gradient(180deg, #0d1425 0%, #0a1628 50%, #081020 100%);

  /* Status Colors */
  --green: #10b981;
  --green-bg: rgba(16, 185, 129, 0.12);
  --green-border: rgba(16, 185, 129, 0.3);
  --yellow: #f59e0b;
  --yellow-bg: rgba(245, 158, 11, 0.12);
  --yellow-border: rgba(245, 158, 11, 0.3);
  --red: #ef4444;
  --red-bg: rgba(239, 68, 68, 0.12);
  --red-border: rgba(239, 68, 68, 0.3);
  --blue: #3b82f6;
  --blue-bg: rgba(59, 130, 246, 0.12);
  --blue-border: rgba(59, 130, 246, 0.3);
  --purple: #8b5cf6;
  --purple-bg: rgba(139, 92, 246, 0.12);
  --purple-border: rgba(139, 92, 246, 0.3);
  --cyan: #22d3ee;
  --cyan-bg: rgba(34, 211, 238, 0.12);
  --cyan-border: rgba(34, 211, 238, 0.3);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-xs: 0.6875rem;
  --font-sm: 0.8125rem;
  --font-base: 0.9375rem;
  --font-lg: 1.0625rem;
  --font-xl: 1.25rem;
  --font-2xl: 1.5rem;
  --font-3xl: 1.875rem;
  --font-4xl: 2.25rem;
  --font-5xl: 3rem;
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px var(--accent-glow);
  --shadow-glow-lg: 0 0 40px var(--accent-glow);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;

  /* Layout */
  --sidebar-width: 272px;
  --sidebar-collapsed: 72px;
  --header-height: 72px;
  --page-padding: var(--sp-8);
  --content-max-width: 1400px;

  /* Z-Index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 500;
  --z-modal: 600;
  --z-toast: 700;
  --z-lightbox: 800;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-base);
  overflow: hidden;
  height: 100vh;
}

/* Subtle grid pattern background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(34, 211, 238, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

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

ul, ol {
  list-style: none;
}

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Selection */
::selection {
  background: var(--accent-muted);
  color: var(--accent);
}

/* ---- 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(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

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

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

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

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

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ---- Utility Classes ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-accent { color: var(--accent); }
.text-green { color: var(--green); }
.text-yellow { color: var(--yellow); }
.text-red { color: var(--red); }
.text-blue { color: var(--blue); }
.text-purple { color: var(--purple); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.animate-fade-in { animation: fadeIn var(--duration-base) var(--ease-out); }
.animate-fade-in-up { animation: fadeInUp var(--duration-slow) var(--ease-out); }
.animate-scale-in { animation: scaleIn var(--duration-base) var(--ease-spring); }