/**
 * theme.css - Tema ve Renk Değişkenleri
 * 
 * CSS custom properties (variables) kullanarak
 * tema yönetimini merkezi olarak sağlar
 */

:root {
  /* Renkler */
  --color-primary: #ec4899;
  --color-secondary: #a855f7;
  --color-background: #090922;
  --color-surface: #1a1a3e;
  --color-text: #e5e7eb;
  --color-text-muted: #9ca3af;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-light: rgba(255, 255, 255, 0.05);
  --color-success: #22c55e;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #3b82f6;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Font Sizes */
  --font-xs: 0.75rem;
  --font-sm: 0.875rem;
  --font-base: 1rem;
  --font-lg: 1.125rem;
  --font-xl: 1.25rem;
  --font-2xl: 1.5rem;
  --font-3xl: 2rem;
  --font-4xl: 2.5rem;

  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 10px 20px rgba(236, 72, 153, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Dark mode (default) */
[data-theme="dark"],
:root {
  --color-background: #090922;
  --color-surface: #1a1a3e;
  --color-text: #e5e7eb;
  --color-text-muted: #9ca3af;
  --color-border: rgba(255, 255, 255, 0.1);
}

/* Light mode (future) */
[data-theme="light"] {
  --color-background: #ffffff;
  --color-surface: #f9fafb;
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-border: rgba(0, 0, 0, 0.1);
}

/* Gradients */
.gradient-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.gradient-dark {
  background: linear-gradient(135deg, #070721 0%, #141043 35%, #3b1470 70%, #2a0f4a 100%);
}

/* Backdrop Blur */
.backdrop-blur {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Smooth Transitions */
* {
  transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base);
}

button,
a,
input,
select,
textarea {
  transition: all var(--transition-base);
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--color-primary);
  color: white;
}

::-moz-selection {
  background-color: var(--color-primary);
  color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-background);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Firefox Scrollbar */
* {
  scrollbar-color: var(--color-primary) var(--color-background);
  scrollbar-width: thin;
}