/* 
 * BIST Takip - Modern Terminal Teması
 * Finansal veri takibi için özel tasarım
 */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
  /* Ana renkler - Terminal/Trading teması */
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --bg-card-hover: #212d40;
  --bg-input: #0d1421;
  
  /* Accent renkler */
  --accent-green: #00d26a;
  --accent-green-dim: rgba(0, 210, 106, 0.15);
  --accent-red: #ff4757;
  --accent-red-dim: rgba(255, 71, 87, 0.15);
  --accent-blue: #3b82f6;
  --accent-blue-dim: rgba(59, 130, 246, 0.15);
  --accent-yellow: #fbbf24;
  --accent-yellow-dim: rgba(251, 191, 36, 0.15);
  --accent-purple: #8b5cf6;
  
  /* Metin renkleri */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Kenarlıklar */
  --border-color: #1e293b;
  --border-accent: #2d3a4f;
  
  /* Gölgeler */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow-green: 0 0 20px rgba(0, 210, 106, 0.3);
  --shadow-glow-red: 0 0 20px rgba(255, 71, 87, 0.3);
  
  /* 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: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-primary) 0%, #0d1321 100%);
  pointer-events: none;
  z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }

code, .mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Header */
.header {
  background: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--spacing-md) 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-weight: 500;
}

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

/* User Menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-card);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: #2563eb;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-success {
  background: var(--accent-green);
  color: #0a0e17;
}

.btn-success:hover {
  background: #00b85c;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--accent-red);
  color: white;
}

.btn-danger:hover {
  background: #e63e4c;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

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

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.8125rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-body {
  padding: var(--spacing-lg);
}

/* Market Overview Cards */
.market-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

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

.market-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

.market-card-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.market-card-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.market-card-change {
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: var(--spacing-xs);
}

.market-card-change.positive {
  color: var(--accent-green);
}

.market-card-change.negative {
  color: var(--accent-red);
}

/* Stock Table */
.stock-table {
  width: 100%;
  border-collapse: collapse;
}

.stock-table th,
.stock-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.stock-table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 500;
  background: var(--bg-secondary);
}

.stock-table tbody tr {
  transition: background var(--transition-fast);
}

.stock-table tbody tr:hover {
  background: var(--bg-card-hover);
}

.stock-ticker {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: var(--accent-blue);
}

.stock-price {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
}

.stock-action {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
}

.stock-action.al {
  background: var(--accent-green-dim);
  color: var(--accent-green);
}

.stock-action.sat {
  background: var(--accent-red-dim);
  color: var(--accent-red);
}

.stock-action.bekle {
  background: var(--accent-yellow-dim);
  color: var(--accent-yellow);
}

.stock-action.tanimsiz {
  background: var(--bg-secondary);
  color: var(--text-muted);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.form-input,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-dim);
}

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

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow: auto;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-backdrop.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

/* Auth Container */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  width: 100%;
  max-width: 420px;
  text-align: center;
}

.auth-logo {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto var(--spacing-lg);
}

.auth-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.btn-google {
  background: white;
  color: #333;
  width: 100%;
  padding: var(--spacing-md);
  font-weight: 500;
}

.btn-google:hover {
  background: #f5f5f5;
}

.btn-google svg {
  width: 20px;
  height: 20px;
}

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}

.status-badge.online {
  background: var(--accent-green-dim);
  color: var(--accent-green);
}

.status-badge.offline {
  background: var(--accent-red-dim);
  color: var(--accent-red);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

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

/* Range Editor */
.range-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.range-item {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  align-items: center;
}

.range-item input,
.range-item select {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
}

/* Loading States */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  z-index: 2000;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
}

.toast.success {
  border-left: 3px solid var(--accent-green);
}

.toast.error {
  border-left: 3px solid var(--accent-red);
}

.toast.info {
  border-left: 3px solid var(--accent-blue);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Admin Panel Specific */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.admin-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.admin-section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
  }
  
  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-sm);
  }
  
  .market-overview {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stock-table {
    font-size: 0.875rem;
  }
  
  .stock-table th,
  .stock-table td {
    padding: var(--spacing-sm);
  }
  
  .range-item {
    grid-template-columns: 1fr 1fr;
  }
  
  h1 { font-size: 1.75rem; }
}

/* Utility Classes */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--accent-green); }
.text-danger { color: var(--accent-red); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }