/* ===== NOVA CAPITAL - ANA STİL DOSYASI ===== */
/* Tüm sayfalar için ortak stiller - MOBİL UYUMLU */

/* === DEĞİŞKENLER === */
:root {
  /* Renk Paleti */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  
  /* Metin Renkleri */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  /* Aksent Renkleri */
  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-info: #0ea5e9;
  
  /* Gradyanlar */
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  --gradient-secondary: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  
  /* Kenarlıklar */
  --border-color: #475569;
  --border-light: rgba(255, 255, 255, 0.1);
  
  /* Gölgeler */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.4);
  
  /* Köşe Yuvarlaklıkları */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transisyonlar */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

/* === TEMEL AYARLAR === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === TİPOGRAFİ === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-primary-hover);
}

/* === LAYOUT === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

/* === NAVBAR (Tüm Sayfalar İçin) === */
.navbar {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-normal);
}

.nav-links a:hover::after {
  width: 100%;
}

.login-btn {
  background: var(--gradient-primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* === FORM ELEMENTLERİ (Ortak) === */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  user-select: none;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.1);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* === CARD (Ortak) === */
.card {
  background: var(--gradient-dark);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* === MOBİL UYUMLULUK === */
@media (max-width: 768px) {
  .navbar .container {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
  
  .nav-links li {
    flex: 1;
    text-align: center;
  }
  
  .login-btn {
    width: 100%;
    max-width: 200px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .container {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .card {
    padding: 1.5rem;
  }
  
  .btn {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
  }
  
  .form-control {
    padding: 0.75rem;
  }
}

/* === UTILITY CLASSES === */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

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

/* === ANIMATION === */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn var(--transition-normal);
}

/* === LOADING SPINNER === */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s linear infinite;
  display: inline-block;
  vertical-align: middle;
  margin-right: 0.5rem;
}

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

/* === TOAST NOTIFICATION === */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  background: var(--bg-secondary);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  animation: slideInRight 0.3s ease;
  max-width: 350px;
}

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

/* === PROGRESS BAR === */
.progress-container {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 1rem 0;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* === STATUS INDICATORS === */
.status-success {
  color: var(--accent-success);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
}

.status-pending {
  color: var(--accent-warning);
  background: rgba(245, 158, 11, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
}

.status-error {
  color: var(--accent-danger);
  background: rgba(239, 68, 68, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
}

/* === FILE UPLOAD STYLING === */
.file-input-container {
  position: relative;
  overflow: hidden;
}

.file-input-label {
  display: block;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--text-secondary);
}

.file-input-label:hover {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.05);
}

.file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

/* === RESPONSIVE TABLES === */
.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-primary);
}

tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* === MODAL BACKDROP === */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(5px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9998;
  padding: 1rem;
}

.modal-backdrop.active {
  display: flex;
}

/* === PRINT STYLES === */
@media print {
  .no-print {
    display: none !important;
  }
}

/* === DARK MODE SUPPORT (Varsayılan) === */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
  }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}