/* >>> design-system.css */
/* ==========================================================================
   DESIGN SYSTEM - Figma Dashboard UI Based
   ========================================================================== */

/* CSS Custom Properties (Variables) */
:root {
  /* Colors - Dark Theme */
  --color-bg-primary: #0A0A0A;
  --color-bg-secondary: #1A1A1A;
  --color-bg-sidebar: #0F0F0F;
  --color-bg-card: #1E1E1E;
  --color-bg-card-hover: #2A2A2A;
  --color-bg-input: #2A2A2A;
  --color-bg-button: #6366F1;
  --color-bg-button-hover: #5B5BF7;
  --border-primary:  #2E2E2E;
  /* Gradient Colors */
  --gradient-primary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --gradient-chart: linear-gradient(180deg, #6366F1 0%, #3B82F6 100%);
  
  /* Text Colors */
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #A1A1AA;
  --color-text-tertiary: #6B7280;
  --color-text-muted: #4B5563;
  
  /* Border Colors */
  --color-border-primary: #374151;
  --color-border-secondary: #1F2937;
  --color-border-hover: #4B5563;
  
  /* Status Colors */
  --color-success: #10B981;
  --color-success-bg: rgba(16, 185, 129, 0.1);
  --color-warning: #F59E0B;
  --color-warning-bg: rgba(245, 158, 11, 0.1);
  --color-error: #EF4444;
  --color-error-bg: rgba(239, 68, 68, 0.1);
  --color-info: #3B82F6;
  --color-info-bg: rgba(59, 130, 246, 0.1);
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;
  --spacing-4xl: 48px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;
  
  /* 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);
  
  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 28px;
  --font-size-5xl: 32px;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Alias — sayfa CSS'leri bu kısa isimleri kullanıyor */
  --bg-primary: var(--color-bg-primary);
  --bg-secondary: var(--color-bg-card);
  --bg-tertiary: var(--color-bg-card-hover);
  --bg-dark: var(--color-bg-primary);
  --bg-card: var(--color-bg-card);
  --accent-primary: #6366F1;
  --accent-secondary: #8B5CF6;
  --primary-color: #6366F1;
  --secondary-color: #8B5CF6;
  --text-primary: var(--color-text-primary);
  --text-secondary: var(--color-text-secondary);
  --border-color: var(--color-border-primary);
  --border-secondary: var(--color-border-secondary);
  --success-color: var(--color-success);
  --warning-color: var(--color-warning);
  --error-color: var(--color-error);
  --danger-color: var(--color-error);
  --info-color: var(--color-info);
  --text-xs: var(--font-size-xs);
  --text-sm: var(--font-size-sm);
  --text-base: var(--font-size-base);
  --text-lg: var(--font-size-lg);
  --text-xl: var(--font-size-xl);
  --text-2xl: var(--font-size-2xl);
  --text-3xl: var(--font-size-3xl);
  --font-medium: var(--font-weight-medium);
  --font-semibold: var(--font-weight-semibold);
  --font-bold: var(--font-weight-bold);
  --surface-color: var(--color-bg-secondary);
  --background-color: var(--color-bg-primary);
  --text-color: var(--color-text-primary);
  --color-primary: var(--accent-primary);
  --color-primary-light: rgba(99, 102, 241, 0.08);
  --border-radius-lg: var(--radius-lg);
  
  /* Layout */
  --sidebar-width: 260px;
  --header-height: 64px;
  --container-max-width: 1200px;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

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

html {
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

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

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   TYPOGRAPHY UTILITIES
   ========================================================================== */

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }

.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

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

.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-info { color: var(--color-info); }

/* ==========================================================================
   LAYOUT UTILITIES
   ========================================================================== */

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-2xl);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }
.gap-2xl { gap: var(--spacing-2xl); }
.gap-3xl { gap: var(--spacing-3xl); }

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* ==========================================================================
   SPACING UTILITIES
   ========================================================================== */

.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.p-2xl { padding: var(--spacing-2xl); }
.p-3xl { padding: var(--spacing-3xl); }

.px-xs { padding-left: var(--spacing-xs); padding-right: var(--spacing-xs); }
.px-sm { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.px-xl { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }
.px-2xl { padding-left: var(--spacing-2xl); padding-right: var(--spacing-2xl); }

.py-xs { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-xl { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.py-2xl { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }

.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }
.m-2xl { margin: var(--spacing-2xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

/* ==========================================================================
   BACKGROUND UTILITIES
   ========================================================================== */

.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-card { background-color: var(--color-bg-card); }
.bg-sidebar { background-color: var(--color-bg-sidebar); }
.bg-gradient { background: var(--gradient-primary); }

/* ==========================================================================
   BORDER UTILITIES
   ========================================================================== */

.border { border: 1px solid var(--color-border-primary); }
.border-secondary { border: 1px solid var(--color-border-secondary); }
.border-t { border-top: 1px solid var(--color-border-primary); }
.border-b { border-bottom: 1px solid var(--color-border-primary); }
.border-l { border-left: 1px solid var(--color-border-primary); }
.border-r { border-right: 1px solid var(--color-border-primary); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* ==========================================================================
   COMPONENT BASE STYLES
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

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

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

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-primary);
}

.btn-primary:hover {
  background: var(--color-bg-button-hover);
}

.btn-secondary {
  background-color: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-primary);
}

.btn-secondary:hover {
  background-color: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
}

.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  transition: all var(--transition-normal);
}

.card:hover {
  background-color: var(--color-bg-card-hover);
  border-color: var(--color-border-primary);
}

.input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.input:focus {
  outline: none;
  border-color: var(--color-bg-button);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.input::placeholder {
  color: var(--color-text-muted);
}

/* ==========================================================================
   ANIMATION UTILITIES
   ========================================================================== */

.transition-fast { transition: all var(--transition-fast); }
.transition-normal { transition: all var(--transition-normal); }
.transition-slow { transition: all var(--transition-slow); }

.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale:hover {
  transform: scale(1.02);
}

/* ==========================================================================
   RESPONSIVE UTILITIES
   ========================================================================== */

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  .text-responsive-lg {
    font-size: var(--font-size-lg);
  }
  
  .text-responsive-xl {
    font-size: var(--font-size-xl);
  }
}

@media (max-width: 640px) {
  .text-responsive-lg {
    font-size: var(--font-size-base);
  }
  
  .text-responsive-xl {
    font-size: var(--font-size-lg);
  }
}
/* >>> admin-styles.css */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --sidebar-width: 260px;
    --header-height: 64px;
    --bg-dark: #0A0A0A;
    --bg-darker: #0F0F0F;
    --bg-card: #1E1E1E;
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA;
    --border-color: #2E2E2E;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    --danger-color: #ef4444;
    --surface-color: #1A1A1A;
    --background-color: #0A0A0A;
    --text-color: #FFFFFF;
}

body {
    font-family: var(--font-family-primary, 'Inter'), -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: var(--bg-darker);
    color: var(--text-primary);
    z-index: 1000;
    transition: all 0.3s ease;
    overflow-y: auto;
    border-right: 1px solid var(--border-color);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h4 {
    margin: 0;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar-menu {
    padding: 1rem 0;
}

.sidebar-menu .nav-link {
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    text-decoration: none;
    display: block;
}

.sidebar-menu .nav-link:hover,
.sidebar-menu .nav-link.active {
    color: var(--text-primary);
    background-color: var(--bg-card);
    border-left-color: var(--primary-color);
}

.sidebar-menu .nav-link i {
    width: 20px;
    margin-right: 0.75rem;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background-color: var(--bg-dark);
    padding: var(--spacing-2xl, 24px);
}

/* Header */
.main-header {
    background: var(--bg-darker);
    height: var(--header-height);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: 1px solid var(--border-color);
}

.header-title h2 {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notification-btn {
    position: relative;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-secondary);
    padding: 0.5rem;
    transition: color 0.3s ease;
    cursor: pointer;
}

.notification-btn:hover {
    color: var(--text-primary);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--error-color);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.user-menu:hover {
    background-color: var(--bg-dark);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

/* Content Area */
.content-area {
    padding: 2rem;
}

/* Stats Cards */
.stats-card {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
    height: 100%;
}

.stats-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.stats-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1rem;
}

.stats-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.stats-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.stats-change {
    font-size: 0.8rem;
    font-weight: 600;
}

.stats-change.positive {
    color: var(--success-color);
}

.stats-change.negative {
    color: var(--error-color);
}

/* Activity Dots */
.activity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Form Styles */
.form-container {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.form-title {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

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

.form-label {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-input,
.form-select,
.form-textarea {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-file {
    background: var(--bg-dark);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.form-file:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.file-upload-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.file-upload-icon {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #5856eb;
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-dark);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #059669;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Alert Messages */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning-color);
    color: var(--warning-color);
}

/* Image Preview */
.image-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.preview-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
}

.preview-image {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.preview-remove {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .main-header {
        padding: 0 1rem;
    }
    
    .content-area {
        padding: 1rem;
    }
    
    .form-container {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .form-container {
        padding: 1rem;
    }
    
    .content-area {
        padding: 0.5rem;
    }
}