/* 1. ARKA PLAN VE GENEL AYARLAR */
body {
    background-color: #f3f4f6; 
    background-image: radial-gradient(#cbd5e1 1.5px, transparent 1.5px);
    background-size: 24px 24px;
    font-family: 'Rubik', sans-serif !important; /* Yazılar yuvarlak ve yumuşak */
    color: #333;
}

/* BAŞLIKLAR VE BUTONLAR İÇİN MODERN FONT */
h1, h2, h3, h4, h5, h6, .navbar-brand, .btn, .card-title, .footer-title, .fiyat-etiket {
    font-family: 'Kanit', sans-serif !important;
    letter-spacing: 0.5px;
}

/* 2. BUTON PARLAMA EFEKTLERİ (Glow) ✨ */
.btn { transition: all 0.3s ease; border: none; position: relative; overflow: hidden; }

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.4);
}
.btn-warning:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 193, 7, 0.5);
    color: #000 !important;
}
.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(25, 135, 84, 0.4);
}
.btn-danger:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(220, 53, 69, 0.4);
}

/* 3. SOFT (YUMUŞAK) ROZETLER 🏷️ */
.badge-soft-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.2);
}
.badge-soft-success {
    background-color: rgba(25, 135, 84, 0.1);
    color: #198754;
    border: 1px solid rgba(25, 135, 84, 0.2);
}
.badge-soft-warning {
    background-color: rgba(255, 193, 7, 0.15);
    color: #856404;
    border: 1px solid rgba(255, 193, 7, 0.3);
}
.badge-soft-primary {
    background-color: rgba(13, 110, 253, 0.1);
    color: #0d6efd;
    border: 1px solid rgba(13, 110, 253, 0.2);
}

/* 4. İNDİRİM ROZETİ KONUMU */
.indirim-rozeti {
    position: absolute;
    top: 10px; right: 10px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    z-index: 10;
    backdrop-filter: blur(5px);
}

/* 5. NAVBAR MODERN TASARIM */
.navbar-custom {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    padding: 15px 0;
}
.navbar-brand { font-weight: 800; font-size: 1.5rem; }
.nav-link-custom { color: rgba(255,255,255,0.85) !important; font-weight: 500; transition: 0.3s; }
.nav-link-custom:hover { color: #ffc107 !important; transform: translateY(-2px); }
.search-input { border-radius: 25px 0 0 25px; border: none; padding-left: 20px; }
.search-btn { border-radius: 0 25px 25px 0; padding-right: 20px; font-weight: bold; }

/* 6. KİTAP KUTUSU */
.kitap-kutu { 
    transition: transform 0.3s; height: 100%; position: relative;
    background-color: white; border: 1px solid #e5e7eb; border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}
.kitap-kutu:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 15px 25px -5px rgba(0,0,0,0.1); 
    border-color: #fbbf24; z-index: 5; 
}
.kitap-img { 
    height: 280px; object-fit: contain; padding: 15px;
    border-bottom: 1px solid #f0f0f0; border-radius: 12px 12px 0 0;
}

/* 7. DİĞER DETAYLAR */
.fiyat-etiket { font-size: 1.25rem; color: #d63384; font-weight: 700; }
.eski-fiyat { text-decoration: line-through; color: #9ca3af; font-size: 0.9rem; margin-right: 5px; }
.footer-custom { background-color: #111827; color: #9ca3af; border-top: 4px solid #ffc107; font-size: 0.95rem; }
.footer-title { color: #fff; font-weight: 700; margin-bottom: 20px; }
.footer-link { color: #d1d5db; text-decoration: none; transition: 0.3s; display: block; margin-bottom: 8px; }
.footer-link:hover { color: #ffc107; padding-left: 5px; }
.baslik-yeni { border-bottom: 3px solid #dc3545; display: inline-block; padding-bottom: 5px; }
.baslik-firsat { border-bottom: 3px solid #198754; display: inline-block; padding-bottom: 5px; }
.baslik-coksatan { border-bottom: 3px solid #ffc107; display: inline-block; padding-bottom: 5px; }
.baslik-klasik { border-bottom: 3px solid #0d6efd; display: inline-block; padding-bottom: 5px; }