/* Kurumsal, Minimalist, Açık Renk ve Tam Köşeli UI Stil Dosyası */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-main: #f8fafc;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --border-dark: #cbd5e1;
  
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-gradient: linear-gradient(135deg, #2563eb, #1d4ed8);
  
  --secondary-gradient: linear-gradient(135deg, #0f172a, #1e293b);
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --accent: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  
  --sharp-radius: 0px; /* Tam köşeli elemanlar */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  border-radius: var(--sharp-radius) !important; /* Tüm radüsleri tam keskin yap */
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* Navigasyon & Header */
header {
  background: #ffffff;
  border-bottom: 2px solid var(--border-color);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo-icon-box {
  width: 42px;
  height: 42px;
  background: var(--secondary-gradient);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text h1 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.3px;
}

.logo-text span {
  font-size: 0.72rem;
  color: var(--primary);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-weight: 600;
}

.user-nav-info {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.credit-badge {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.88rem;
  color: #1e40af;
}

.btn-logout {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
}

.btn-logout:hover {
  background: #dc2626;
  color: #ffffff;
}

/* Ana Konteyner */
.main-container {
  max-width: 1240px;
  width: 100%;
  margin: 2rem auto;
  padding: 0 1.5rem;
  flex: 1;
}

/* Giriş Kartı */
.login-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 75vh;
}

.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border-dark);
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.login-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.login-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 1.75rem;
}

/* Form Elemanları */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  padding: 0.75rem 0.9rem;
  background: #ffffff;
  border: 1px solid var(--border-dark);
  color: var(--text-main);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.btn-primary {
  width: 100%;
  padding: 0.85rem;
  background: var(--primary-gradient);
  border: 1px solid var(--primary-hover);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background 0.15s ease;
}

.btn-primary:hover {
  background: #1d4ed8;
}

/* Dashboard Kartları & Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  border-top: 4px solid var(--primary);
}

.stat-card.accent-top { border-top-color: var(--accent); }
.stat-card.warning-top { border-top-color: var(--warning); }

.stat-icon {
  width: 48px;
  height: 48px;
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
}

.stat-info h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 0.2rem;
}

/* Tablolar */
.table-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.table-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-table th {
  padding: 0.85rem 1rem;
  background: #f1f5f9;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border-color);
}

.custom-table td {
  padding: 0.95rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: var(--text-main);
}

.custom-table tr:hover {
  background: #f8fafc;
}

/* Rozetler (Badges) */
.badge {
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.badge-success { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.badge-warning { background: #fffbeb; color: #b45309; border: 1px solid #fde68a; }
.badge-danger { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.badge-info { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }

/* Butonlar */
.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  cursor: pointer;
  border: 1px solid transparent;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
}

.btn-action-add { background: #ecfdf5; color: #047857; border-color: #a7f3d0; min-width: 110px; justify-content: center; }
.btn-action-add:hover { background: #059669; color: #ffffff; }

.btn-action-sub { background: #fffbeb; color: #b45309; border-color: #fde68a; min-width: 110px; justify-content: center; }
.btn-action-sub:hover { background: #d97706; color: #ffffff; }

.btn-action-generate { background: var(--secondary-gradient); color: #ffffff; border: 1px solid #0f172a; }
.btn-action-generate:hover { background: #1e293b; }

/* Modallar */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #ffffff;
  border: 2px solid var(--border-dark);
  padding: 2rem;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.close-modal {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}

/* Toast Bildirimler */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
}

.toast {
  background: #0f172a;
  color: #ffffff;
  padding: 0.9rem 1.25rem;
  border-left: 4px solid var(--primary);
  margin-top: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.toast-success { border-left-color: var(--accent); }
.toast-danger { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--warning); }