body {
    font-family: 'Inter', sans-serif;
    background-color: #ffffff;
    color: #1f2937;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.glass-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(0, 0, 0, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Kategori kartları için daha yüksek kontrast */
#categories-list .glass-card {
    background: rgba(249, 250, 251, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.12);
}

#categories-list .glass-card:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(0, 0, 0, 0.25);
}

.text-gradient {
    background: linear-gradient(to right, #111827, #6b7280);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navigasyon Link Animasyonu */
.menu-link {
    position: relative;
    display: block;
    width: fit-content;
}

.menu-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: #111827;
    transition: width 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.menu-link:hover::after {
    width: 100%;
}

/* Yan Menü Panelleri */
#side-nav, #ai-assistant-panel {
    transition: transform 0.6s cubic-bezier(0.85, 0, 0.15, 1);
}

/* Hamburger İkon Animasyonu */
.hamburger-line {
    transition: all 0.3s ease;
}
.nav-open .line-1 { transform: translateY(6px) rotate(45deg); }
.nav-open .line-2 { opacity: 0; }
.nav-open .line-3 { transform: translateY(-6px) rotate(-45deg); }

/* Özel Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f3f4f6;
}
::-webkit-scrollbar-thumb {
    background: #9ca3af;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

.message-in {
    animation: slideIn 0.3s ease-out forwards;
}
@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dropdown Stilleri */
select#category-select {
    background-color: #ffffff !important;
    color: #1f2937 !important;
    border-color: rgba(0, 0, 0, 0.1) !important;
}

select#category-select option {
    background-color: #ffffff !important;
    color: #1f2937 !important;
}

select#category-select option:hover,
select#category-select option:checked {
    background-color: #f3f4f6 !important;
    color: #111827 !important;
}