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

/* --- Siyah & Beyaz Tema Değişkenleri --- */

/* Aydınlık Tema (Varsayılan) */
body.light-theme {
  --bg-primary: #f8fafc; /* Kırık Beyaz / Gri */
  --bg-secondary: #ffffff; /* Kart arka planı saf beyaz */
  --bg-sidebar: #090d16; /* Sidebar koyu lacivert/siyah */
  --border-color: #e2e8f0; /* Açık gri kenarlık */
  --border-color-hover: #cbd5e1; /* Hover kenarlık */
  
  --accent-primary: #0f172a; /* Slate-900 (Siyah) */
  --accent-primary-hover: #1e293b; /* Slate-800 */
  --accent-success: #16a34a; /* Yeşil başarı */
  --accent-danger: #dc2626; /* Kırmızı tehlike */
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --progress-bg: rgba(15, 23, 42, 0.035);
  --shadow-premium: 0 4px 20px -2px rgba(15, 23, 42, 0.04), 0 2px 8px -1px rgba(15, 23, 42, 0.02);
}

/* Karanlık Tema */
body.dark-theme {
  --bg-primary: #09090b; /* Zinc-950 (Saf siyah tonu) */
  --bg-secondary: #121214; /* Zinc-900 (Kart arka planı) */
  --bg-sidebar: #09090b; /* Sidebar saf siyah */
  --border-color: #242427; /* Zinc-800 */
  --border-color-hover: #3f3f46; /* Zinc-700 */
  
  --accent-primary: #f4f4f5; /* Zinc-100 (Beyaz) */
  --accent-primary-hover: #e4e4e7; /* Zinc-200 */
  --accent-success: #22c55e;
  --accent-danger: #ef4444;
  
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #52525b;
  
  --progress-bg: rgba(255, 255, 255, 0.035);
  --shadow-premium: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
}

:root {
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-smooth: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 260px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* --- Ana Uygulama Düzeni (Sidebar + Content Area) --- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sol Menü (Sidebar) */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: var(--transition-smooth);
}

.sidebar-brand-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-left: 0.25rem;
}

.sidebar-close-btn {
  display: none;
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

/* Navigasyon Elemanları */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex-grow: 1;
}

.nav-item {
  background: none;
  border: 1px solid transparent;
  color: #94a3b8;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
  transition: var(--transition-smooth);
  width: 100%;
}

.nav-item:hover {
  color: #f8fafc;
  background: rgba(255, 255, 255, 0.04);
}

.nav-item.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-icon {
  font-size: 1.25rem;
  display: inline-flex;
  align-items: center;
}

.sidebar-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.25rem;
  margin-top: auto;
}

/* Geliştirilmiş Profil Widget'ı */
.user-profile-widget {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  transition: var(--transition-smooth);
}

.user-profile-widget:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.09);
}

.user-avatar {
  width: 36px;
  height: 36px;
  background-color: var(--accent-primary);
  color: var(--bg-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.05rem;
  flex-shrink: 0;
  text-transform: uppercase;
}

body.light-theme .user-avatar {
  background-color: #fff;
  color: #0f172a;
}

.user-profile-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-grow: 1;
}

.user-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-role-text {
  font-size: 0.65rem;
  font-weight: 600;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 99px;
  width: fit-content;
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2px;
}

.logout-icon-btn {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  padding: 6px;
  border-radius: 6px;
}

.logout-icon-btn:hover {
  color: #f43f5e;
  background: rgba(244, 63, 94, 0.1);
}

.settings-icon-btn {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  padding: 6px;
  border-radius: 6px;
}

.settings-icon-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

body.light-theme .settings-icon-btn:hover {
  color: #0f172a;
  background: rgba(15, 23, 42, 0.05);
}

/* Sağ Ana İçerik Alanı */
.app-main {
  flex-grow: 1;
  margin-left: var(--sidebar-width);
  padding: 2.5rem 3rem;
  max-width: calc(100vw - var(--sidebar-width));
  background-color: var(--bg-primary);
  transition: var(--transition-smooth);
}

/* Mobil Menü Başlığı */
.main-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.mobile-menu-trigger {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.6rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
}

.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Tema Seçici Buton */
.theme-toggle-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-premium);
}

.theme-toggle-btn:hover {
  border-color: var(--border-color-hover);
  background-color: var(--bg-primary);
}

/* Çerez Üst Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 99;
}

/* Mobil Görünüm Optimizasyonu */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
    box-shadow: none;
  }
  
  .sidebar.active {
    transform: translateX(0);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
  }
  
  .sidebar-close-btn {
    display: block;
  }
  
  .sidebar-overlay.active {
    display: block;
  }
  
  .app-main {
    margin-left: 0;
    max-width: 100%;
    padding: 1.5rem;
  }
  
  .mobile-menu-trigger {
    display: flex;
  }
}

/* --- Sekme İçerikleri (SPA) --- */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(2px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Cam Kart / Sade Kart Yapısı --- */
.glass-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: var(--border-color-hover);
}

/* Butonlar */
.btn {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--accent-primary);
  color: var(--bg-secondary); /* Koyu temada buton koyu olur, aydınlıkta buton siyah yazı beyaz olur */
}

body.dark-theme .btn-primary {
  color: #09090b; /* Siyah yazı */
}

.btn-primary:hover {
  background-color: var(--accent-primary-hover);
  transform: translateY(-1px);
}

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

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

.btn-danger {
  background-color: rgba(220, 38, 38, 0.08);
  color: var(--accent-danger);
  border: 1px solid rgba(220, 38, 38, 0.15);
}

.btn-danger:hover {
  background-color: rgba(220, 38, 38, 0.15);
  transform: translateY(-1px);
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: 6px;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 14px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.04);
}

/* Özel Takma Ad Girişi Kapsayıcısı */
.alias-input-wrapper {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-secondary);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.alias-input-wrapper:focus-within {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.04);
}

.alias-prefix {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  padding: 12px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  border-right: 1px solid var(--border-color);
  white-space: nowrap;
  user-select: none;
}

.alias-field {
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  padding: 12px 14px !important;
  width: 100%;
  color: var(--text-primary) !important;
}

@media (max-width: 480px) {
  .alias-input-wrapper {
    flex-direction: column;
    align-items: stretch;
  }
  .alias-prefix {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 10px 14px;
    width: 100%;
  }
}

/* --- Ortalı Link Kısaltma Alanı (Hero Panel) --- */
.shorten-hero-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3rem 0 4rem 0;
  width: 100%;
}

.shorten-hero-content {
  max-width: 850px;
  width: 100%;
}

.shorten-hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -1.5px;
  margin-bottom: 0.75rem;
  text-align: center;
}

.shorten-hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  text-align: center;
}

.shorten-hero-card {
  text-align: left;
  padding: 2.25rem;
  border-radius: 16px;
  box-shadow: var(--shadow-premium), 0 10px 30px rgba(0,0,0,0.02);
}

.shorten-hero-form {
  display: flex;
  gap: 1.25rem;
  align-items: flex-end;
  width: 100%;
}

.shorten-hero-form .input-url-group {
  flex: 1.5 1 0%;
  min-width: 150px;
  margin-bottom: 0;
}

.shorten-hero-form .input-alias-group {
  flex: 3.5 1 0%;
  min-width: 250px;
  margin-bottom: 0;
}

.shorten-hero-form .input-limit-group {
  flex: 1 1 0%;
  min-width: 80px;
  margin-bottom: 0;
}

.hero-shorten-btn {
  height: 48px;
  padding: 0 28px;
  font-size: 0.95rem;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .shorten-hero-form {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  .hero-shorten-btn {
    width: 100%;
  }
  .shorten-hero-wrapper {
    padding: 1.5rem 0;
  }
  .shorten-hero-title {
    font-size: 2rem;
  }
}

/* İstatistik Kartları Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
}

.stat-icon {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Bento Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Tablolar */
.table-wrapper {
  overflow-x: auto;
  margin-top: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-secondary);
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 650px;
}

th, td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
  white-space: nowrap;
}

th {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
}

tr:last-child td {
  border-bottom: none;
}

td a.link-url {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  word-break: break-all;
}

td a.link-url:hover {
  text-decoration: underline;
}

.original-url-text {
  max-width: 250px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-secondary);
}

/* Giriş/Kurulum Sayfaları */
.auth-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 85vh;
}

.auth-card {
  width: 100%;
  max-width: 440px;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.auth-header p {
  color: var(--text-secondary);
}

/* Bildirimler/Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alert-danger {
  background-color: rgba(220, 38, 38, 0.05);
  border: 1px solid rgba(220, 38, 38, 0.12);
  color: var(--accent-danger);
}

.alert-success {
  background-color: rgba(22, 163, 74, 0.05);
  border: 1px solid rgba(22, 163, 74, 0.12);
  color: var(--accent-success);
}

/* Detay Analitik Izgara */
.analytics-summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

@media (max-width: 768px) {
  .analytics-summary-grid {
    grid-template-columns: 1fr;
  }
}

.analytics-summary-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: 8px;
}

.analytics-summary-box h4 {
  font-size: 0.82rem;
  color: var(--text-primary);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

/* Premium Kırılım İlerleme Barları (SaaS Style) */
.analytics-list-item {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  z-index: 1;
  overflow: hidden;
  border-radius: 6px;
  margin-bottom: 4px;
}

.analytics-list-item:last-child {
  border-bottom: none;
}

.analytics-progress-bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  background-color: var(--progress-bg);
  z-index: -1;
  transition: width 0.8s cubic-bezier(0.175, 0.885, 0.32, 1);
}

/* Kopyalandı Bildirimi */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--accent-primary);
  color: var(--bg-secondary);
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 1001;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  pointer-events: none;
}

body.dark-theme .toast {
  color: #09090b; /* Siyah */
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* --- Modallar --- */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

body.dark-theme .modal {
  background: rgba(0, 0, 0, 0.7);
}

.modal.active {
  display: flex;
}

.modal-content {
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.05);
  animation: modalSlide 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.25);
}

@keyframes modalSlide {
  from { transform: translateY(15px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

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

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

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

/* Helper: Hidden */
.hidden {
  display: none !important;
}

/* Kullanıcı Rol Rozetleri (Badges) */
.user-role-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid var(--border-color);
}
.user-role-badge.superadmin {
  background-color: rgba(15, 23, 42, 0.05);
  color: var(--text-primary);
}
body.dark-theme .user-role-badge.superadmin {
  background-color: rgba(244, 244, 245, 0.06);
}
.user-role-badge.member {
  background-color: rgba(71, 85, 105, 0.03);
  color: var(--text-secondary);
}

/* API Key Tab Mobil Uyum ve Genel Mobil Kurallar */
@media (max-width: 900px) {
  .api-key-actions-row {
    flex-direction: column;
    align-items: stretch !important;
    gap: 12px !important;
  }
  .api-key-buttons {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 8px !important;
    width: 100%;
  }
  .api-key-buttons .btn-danger {
    grid-column: span 2;
  }
  
  .glass-card {
    padding: 1.25rem !important;
  }
  
  pre {
    white-space: pre-wrap !important;
    word-break: break-all !important;
  }
  
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }

  .users-table {
    min-width: 100% !important;
  }
}