/* ==========================================
   AquaMavi - Ana Stil Dosyası
   Denizcilik Temalı Tasarım Sistemi
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&family=Playfair+Display:wght@600;700&display=swap');

:root {
  /* Renkler */
  --mavi-900: #023E8A;
  --mavi-800: #0054B6;
  --mavi-700: #0077B6;
  --mavi-600: #0096C7;
  --mavi-500: #00B4D8;
  --mavi-400: #48CAE4;
  --mavi-300: #90E0EF;
  --mavi-200: #ADE8F4;
  --mavi-100: #CAF0F8;
  --mavi-50: #EBF8FF;

  --koyu: #0A1628;
  --koyu-2: #1A2742;
  --koyu-3: #2D3D5C;
  --gri-900: #1F2937;
  --gri-700: #374151;
  --gri-600: #4B5563;
  --gri-500: #6B7280;
  --gri-400: #9CA3AF;
  --gri-300: #D1D5DB;
  --gri-200: #E5E7EB;
  --gri-100: #F3F4F6;
  --gri-50: #F9FAFB;
  --beyaz: #FFFFFF;

  --basari: #059669;
  --basari-acik: #D1FAE5;
  --uyari: #D97706;
  --uyari-acik: #FEF3C7;
  --hata: #DC2626;
  --hata-acik: #FEE2E2;
  --bilgi: #2563EB;
  --bilgi-acik: #DBEAFE;

  /* Tipografi */
  --font-baslik: 'Playfair Display', Georgia, serif;
  --font-govde: 'DM Sans', -apple-system, sans-serif;

  /* Gölgeler */
  --golge-sm: 0 1px 2px rgba(0,0,0,0.05);
  --golge-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --golge-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --golge-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);

  /* Kenarlar */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Geçişler */
  --gecis: all 0.2s ease;
  --gecis-yavas: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body { font-family: var(--font-govde); color: var(--gri-900); background: var(--gri-50); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--mavi-700); text-decoration: none; transition: var(--gecis); }
a:hover { color: var(--mavi-900); }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

/* ==========================================
   ADMIN PANEL LAYOUT
   ========================================== */

.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: linear-gradient(180deg, var(--koyu) 0%, var(--koyu-2) 100%);
  color: var(--beyaz);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  transition: var(--gecis-yavas);
}

.sidebar-logo {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--mavi-500), var(--mavi-700));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.sidebar-logo h1 {
  font-family: var(--font-baslik);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sidebar-logo span {
  font-size: 0.7rem;
  color: var(--mavi-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.sidebar-nav { padding: 16px 0; }

.nav-grup {
  padding: 0 12px;
  margin-bottom: 8px;
}

.nav-grup-baslik {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gri-500);
  padding: 12px 12px 6px;
  font-weight: 600;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--gri-400);
  border-radius: var(--radius-sm);
  transition: var(--gecis);
  font-size: 0.9rem;
  font-weight: 400;
}

.nav-link:hover {
  background: rgba(255,255,255,0.06);
  color: var(--beyaz);
}

.nav-link.aktif {
  background: rgba(0,180,216,0.12);
  color: var(--mavi-400);
  font-weight: 500;
}

.nav-link .ikon {
  width: 20px;
  text-align: center;
  font-size: 1rem;
  opacity: 0.8;
}

.nav-link .rozet {
  margin-left: auto;
  background: var(--hata);
  color: white;
  font-size: 0.65rem;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

/* Ana İçerik */
.ana-icerik {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
}

/* Üst Bar */
.ust-bar {
  height: 64px;
  background: var(--beyaz);
  border-bottom: 1px solid var(--gri-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--golge-sm);
}

.ust-bar-sol {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ust-bar-sol h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--koyu);
}

.ust-bar-sag {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sayfa-icerik {
  padding: 28px;
}

/* ==========================================
   KARTLAR
   ========================================== */

.kart {
  background: var(--beyaz);
  border-radius: var(--radius-lg);
  box-shadow: var(--golge-sm);
  border: 1px solid var(--gri-200);
  overflow: hidden;
  transition: var(--gecis);
}

.kart:hover {
  box-shadow: var(--golge-md);
}

.kart-baslik {
  padding: 18px 22px;
  border-bottom: 1px solid var(--gri-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kart-baslik h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--koyu);
}

.kart-icerik {
  padding: 22px;
}

/* İstatistik Kartları */
.istatistik-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.ist-kart {
  background: var(--beyaz);
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1px solid var(--gri-200);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--gecis);
  position: relative;
  overflow: hidden;
}

.ist-kart::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  border-radius: 0 4px 4px 0;
}

.ist-kart.mavi::after { background: var(--mavi-600); }
.ist-kart.yesil::after { background: var(--basari); }
.ist-kart.turuncu::after { background: var(--uyari); }
.ist-kart.kirmizi::after { background: var(--hata); }

.ist-kart:hover { box-shadow: var(--golge-md); transform: translateY(-2px); }

.ist-ikon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.ist-ikon.mavi { background: var(--mavi-100); color: var(--mavi-700); }
.ist-ikon.yesil { background: var(--basari-acik); color: var(--basari); }
.ist-ikon.turuncu { background: var(--uyari-acik); color: var(--uyari); }
.ist-ikon.kirmizi { background: var(--hata-acik); color: var(--hata); }

.ist-bilgi h4 {
  font-size: 0.78rem;
  color: var(--gri-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.ist-bilgi .deger {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--koyu);
  line-height: 1.2;
}

.ist-bilgi .alt-bilgi {
  font-size: 0.78rem;
  color: var(--gri-500);
  margin-top: 4px;
}

/* ==========================================
   TABLO
   ========================================== */

.tablo-wrap {
  overflow-x: auto;
}

.tablo {
  width: 100%;
  border-collapse: collapse;
}

.tablo th {
  background: var(--gri-50);
  padding: 12px 16px;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gri-600);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--gri-200);
  white-space: nowrap;
}

.tablo td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gri-100);
  font-size: 0.9rem;
  color: var(--gri-700);
}

.tablo tr:hover td {
  background: var(--mavi-50);
}

/* Durum Rozetleri */
.rozet {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.rozet-beklemede { background: var(--uyari-acik); color: var(--uyari); }
.rozet-onaylandi { background: var(--bilgi-acik); color: var(--bilgi); }
.rozet-hazirlaniyor { background: #F3E8FF; color: #7C3AED; }
.rozet-yolda { background: var(--mavi-100); color: var(--mavi-700); }
.rozet-teslim_edildi { background: var(--basari-acik); color: var(--basari); }
.rozet-iptal, .rozet-iade { background: var(--hata-acik); color: var(--hata); }
.rozet-aktif { background: var(--basari-acik); color: var(--basari); }
.rozet-pasif { background: var(--gri-200); color: var(--gri-600); }

/* ==========================================
   BUTONLAR
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  border: none;
  transition: var(--gecis);
  white-space: nowrap;
}

.btn-birincil {
  background: linear-gradient(135deg, var(--mavi-700), var(--mavi-600));
  color: white;
  box-shadow: 0 2px 8px rgba(0,119,182,0.3);
}
.btn-birincil:hover { background: linear-gradient(135deg, var(--mavi-800), var(--mavi-700)); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,119,182,0.4); }

.btn-ikincil { background: var(--beyaz); color: var(--gri-700); border: 1px solid var(--gri-300); }
.btn-ikincil:hover { background: var(--gri-50); border-color: var(--gri-400); }

.btn-basari { background: var(--basari); color: white; }
.btn-basari:hover { background: #047857; }

.btn-hata { background: var(--hata); color: white; }
.btn-hata:hover { background: #B91C1C; }

.btn-kucuk { padding: 6px 14px; font-size: 0.8rem; }
.btn-buyuk { padding: 14px 28px; font-size: 1rem; }

/* ==========================================
   FORM
   ========================================== */

.form-grup {
  margin-bottom: 18px;
}

.form-etiket {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gri-700);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gri-300);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--gri-900);
  background: var(--beyaz);
  transition: var(--gecis);
}

.form-input:focus {
  outline: none;
  border-color: var(--mavi-500);
  box-shadow: 0 0 0 3px rgba(0,180,216,0.15);
}

.form-input::placeholder { color: var(--gri-400); }

select.form-input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

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

.form-satir {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ==========================================
   MODAL
   ========================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,22,40,0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.aktif { display: flex; }

.modal {
  background: var(--beyaz);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--golge-xl);
  animation: slideUp 0.3s ease;
}

.modal-baslik {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gri-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-baslik h3 { font-size: 1.1rem; font-weight: 600; }

.modal-kapat {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--gri-100);
  color: var(--gri-600);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--gecis);
}
.modal-kapat:hover { background: var(--gri-200); }

.modal-icerik { padding: 24px; }
.modal-altlik { padding: 16px 24px; border-top: 1px solid var(--gri-200); display: flex; gap: 10px; justify-content: flex-end; }

/* ==========================================
   MÜŞTERİ TARAFI
   ========================================== */

.site-header {
  background: linear-gradient(135deg, var(--koyu) 0%, var(--mavi-900) 100%);
  color: white;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header-icerik {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-baslik);
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-logo span { color: var(--mavi-400); }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: rgba(255,255,255,0.8); font-size: 0.9rem; font-weight: 500; }
.site-nav a:hover { color: white; }

.hero {
  background: linear-gradient(135deg, var(--koyu) 0%, var(--mavi-900) 50%, var(--mavi-700) 100%);
  color: white;
  padding: 80px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(0,180,216,0.15) 0%, transparent 50%);
  animation: dalga 8s ease-in-out infinite;
}

@keyframes dalga {
  0%, 100% { transform: translateX(0) translateY(0); }
  50% { transform: translateX(30px) translateY(-20px); }
}

.hero-icerik {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: var(--font-baslik);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-butonlar { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Ürün Kartları */
.urun-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
}

.urun-kart {
  background: var(--beyaz);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gri-200);
  transition: var(--gecis);
}

.urun-kart:hover {
  box-shadow: var(--golge-lg);
  transform: translateY(-4px);
}

.urun-kart-gorsel {
  height: 180px;
  background: linear-gradient(135deg, var(--mavi-100), var(--mavi-200));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.urun-kart-bilgi { padding: 18px; }
.urun-kart-bilgi h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; color: var(--koyu); }
.urun-kart-bilgi p { font-size: 0.85rem; color: var(--gri-500); margin-bottom: 12px; }

.urun-fiyat {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.urun-fiyat .fiyat {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--mavi-700);
}

.urun-fiyat .birim {
  font-size: 0.8rem;
  color: var(--gri-500);
}

/* Footer */
.site-footer {
  background: var(--koyu);
  color: rgba(255,255,255,0.7);
  padding: 48px 24px 24px;
  margin-top: 60px;
}

.footer-icerik {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.footer-kolon h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-kolon a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  padding: 4px 0;
}
.footer-kolon a:hover { color: var(--mavi-400); }

.footer-alt {
  max-width: 1200px;
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.82rem;
}

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 60px 0; }
.section-baslik { text-align: center; margin-bottom: 40px; }
.section-baslik h2 { font-family: var(--font-baslik); font-size: 2rem; color: var(--koyu); margin-bottom: 10px; }
.section-baslik p { color: var(--gri-500); font-size: 1.05rem; }

/* Bildirim Toast */
.toast-container { position: fixed; top: 80px; right: 20px; z-index: 300; display: flex; flex-direction: column; gap: 10px; }
.toast { padding: 14px 20px; border-radius: var(--radius-md); color: white; font-size: 0.9rem; font-weight: 500; box-shadow: var(--golge-lg); animation: slideIn 0.3s ease; min-width: 280px; }
.toast-basari { background: var(--basari); }
.toast-hata { background: var(--hata); }
.toast-bilgi { background: var(--bilgi); }

/* Animasyonlar */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideIn { from { opacity: 0; transform: translateX(100px); } to { opacity: 1; transform: translateX(0); } }

/* Yükleniyor */
.yukleniyor {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--gri-500);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--gri-200);
  border-top-color: var(--mavi-600);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 12px;
}

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

/* Responsive */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.acik { transform: translateX(0); }
  .ana-icerik { margin-left: 0; }
  .sayfa-icerik { padding: 16px; }
  .istatistik-grid { grid-template-columns: 1fr 1fr; }
  .form-satir { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .hero { padding: 50px 20px; }
  .urun-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .istatistik-grid { grid-template-columns: 1fr; }
  .urun-grid { grid-template-columns: 1fr; }
}