* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; user-select: none; }
body { background-color: #f4f4f9; color: #333; }
.ekran { display: none; width: 100vw; height: 100vh; }
.ekran.aktif { display: block; }

/* AUTH (GİRİŞ) EKRANI */
#auth-ekrani { display: flex; flex-direction: column; align-items: center; justify-content: center; background-color: #2c3e50; }
.auth-kutu { background: white; padding: 40px; border-radius: 12px; text-align: center; width: 90%; max-width: 450px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.auth-input { width: 100%; padding: 15px; margin-bottom: 15px; font-size: 1.2rem; border: 2px solid #ddd; border-radius: 8px; background-color: #fafafa; }

/* NAVBAR TASARIMI */
.navbar { background-color: #2c3e50; padding: 15px 30px; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 100; box-shadow: 0 4px 10px rgba(0,0,0,0.2); }
.nav-menuler { display: flex; gap: 15px; }
.nav-btn { background: transparent; color: #b0bec5; border: none; font-size: 1.2rem; padding: 10px 20px; cursor: pointer; border-radius: 8px; font-weight: bold; transition: 0.3s; }
.nav-btn:hover { background: rgba(255,255,255,0.1); color: white; }
.nav-btn.aktif-tab { background-color: #34495e; color: #fff; box-shadow: inset 0 -3px 0 #4CAF50; }

.nav-sahne-btn { background: linear-gradient(135deg, #ff4081 0%, #e91e63 100%); color: white; border: none; padding: 15px 35px; font-size: 1.3rem; border-radius: 30px; cursor: pointer; font-weight: bold; box-shadow: 0 5px 15px rgba(233, 30, 99, 0.4); transition: transform 0.2s; }
.nav-sahne-btn:active { transform: scale(0.95); }

.kulis-icerik { padding: 30px; max-width: 1100px; margin: 0 auto; padding-bottom: 50px; }
.tab-bolumu { display: none; animation: fadeIn 0.3s ease-in-out; }
.tab-bolumu.aktif { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.buyuk-btn { border: none; padding: 15px 30px; font-size: 1.2rem; border-radius: 8px; cursor: pointer; font-weight: bold; color: white; }
.kaydet-btn { width: 100%; background-color: #2196F3; font-size: 1.4rem; padding: 20px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.iptal-btn { width: 100%; background-color: #9e9e9e; font-size: 1.2rem; padding: 15px; }

.form-kutusu, .liste-kutusu { background: white; padding: 25px; border-radius: 12px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); margin-bottom: 30px; }
.form-kutusu h2, .liste-kutusu h2 { margin-bottom: 20px; border-bottom: 2px solid #eee; padding-bottom: 10px; color: #2c3e50; }

.buyuk-input { width: 100%; padding: 15px; margin-bottom: 15px; font-size: 1.2rem; border: 2px solid #ddd; border-radius: 8px; background-color: #fafafa; }
.buyuk-input:focus { border-color: #4CAF50; outline: none; }
.yan-yana { display: flex; gap: 15px; }
.dosya-alani { background-color: #eef2f5; padding: 20px; border-radius: 8px; margin-bottom: 20px; }
.dosya-alani label { display: block; font-weight: bold; margin-bottom: 10px; color: #555; font-size: 1.1rem; }

.tablo-sarmalayici { overflow-x: auto; }
.sarki-tablosu { width: 100%; border-collapse: collapse; min-width: 700px; }
.sarki-tablosu th, .sarki-tablosu td { padding: 18px 15px; text-align: left; border-bottom: 1px solid #eee; font-size: 1.1rem; }
.sarki-tablosu th { background-color: #f8f9fa; color: #555; font-weight: bold; text-transform: uppercase; font-size: 0.95rem; }
.sarki-tablosu tr:hover { background-color: #fcfcfc; }
.sarki-tablosu td:last-child { text-align: right; } 

.islem-btn { padding: 10px 18px; border: none; border-radius: 5px; cursor: pointer; font-size: 1rem; margin-left: 8px; font-weight: bold; }
.btn-duzenle { background-color: #ffc107; color: black; }
.btn-sil { background-color: #f44336; color: white; }

.sarki-kart { display: flex; justify-content: space-between; align-items: center; padding: 15px; border-bottom: 1px solid #eee; background-color: #fcfcfc; margin-bottom: 10px; border-radius: 8px; }
.sarki-bilgi { font-size: 1.2rem; font-weight: bold; color: #222; }
.sarki-etiketler { font-size: 1rem; color: #666; margin-top: 5px; }

.liste-olusturucu { display: flex; gap: 20px; margin-bottom: 20px; }
.havuz, .secilenler { flex: 1; background: #fff; border: 2px dashed #ccc; border-radius: 8px; padding: 15px; min-height: 300px; }
.havuz h3, .secilenler h3 { text-align: center; margin-bottom: 15px; font-size: 1.1rem; }
.secilenler { border-color: #4caf50; background: #f1f8e9; }
.sarki-kutu { padding: 15px; background: #e0e0e0; margin-bottom: 10px; border-radius: 5px; text-align: center; font-weight: bold; cursor: pointer; font-size: 1.2rem; }
.secilen-kutu { background: #4caf50; color: white; }

.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.8); justify-content: center; align-items: center; }
.modal.aktif { display: flex; }
.modal-icerik { background-color: white; padding: 30px; border-radius: 12px; width: 90%; max-width: 500px; text-align: center; }
.modal-liste-btn { display: block; width: 100%; padding: 20px; margin-bottom: 15px; font-size: 1.5rem; background-color: #ff9800; color: white; border: none; border-radius: 8px; cursor: pointer; font-weight: bold; }

#sahne-ekrani { background-color: #000; position: relative; overflow: hidden; }
.kapat-btn { position: absolute; top: 20px; right: 20px; z-index: 100; background-color: rgba(255, 0, 0, 0.7); color: white; border: none; padding: 15px 25px; font-size: 1.2rem; border-radius: 5px; cursor: pointer; font-weight: bold; }
.sahne-sarki-bilgi { position: absolute; top: 25px; left: 50%; transform: translateX(-50%); background: rgba(30, 30, 30, 0.85); color: #fff; padding: 10px 25px; border-radius: 30px; font-size: 1.4rem; font-weight: bold; z-index: 10; pointer-events: none; text-align: center; white-space: nowrap; box-shadow: 0 4px 10px rgba(0,0,0,0.5); }
.sahne-sarki-bilgi span { font-size: 1rem; font-weight: normal; color: #b0bec5; margin-left: 15px; border-left: 1px solid #555; padding-left: 15px; }

.swiper-yatay { width: 100%; height: 100vh; }
.swiper-dikey { width: 100%; height: 100%; }
.swiper-slide { display: flex; justify-content: center; align-items: center; background-color: #000; position: relative; }
.swiper-zoom-container { width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; }
.swiper-zoom-container img { max-width: 100%; max-height: 100%; object-fit: contain; }

.ses-slayti { flex-direction: column; background: #0a0a0a; }
.ses-karti { background: rgba(30, 30, 30, 0.9); padding: 40px; border-radius: 20px; text-align: center; box-shadow: 0 10px 30px rgba(0,0,0,0.5); border: 1px solid #333; width: 85%; max-width: 600px; }
.ses-ikon { font-size: 6rem; margin-bottom: 20px; animation: pulse 2s infinite; }
.ses-karti h3 { color: #fff; margin-bottom: 30px; font-size: 1.8rem; border-bottom: 1px solid #444; padding-bottom: 15px; }
.ses-karti audio { width: 100%; height: 60px; outline: none; }
@keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.1); } 100% { transform: scale(1); } }