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

:root {
    color-scheme: dark;
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.4);
    --bg-dark: #020617;
    --surface-dark: rgba(15, 23, 42, 0.8);
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-dark);
    color: #f1f5f9;
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.05) 0px, transparent 50%);
}

.font-outfit { font-family: 'Outfit', sans-serif; }

.glass-card {
    background: var(--surface-dark);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.5);
}

.nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link.active {
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary-glow);
}

.nav-link.active::after {
    width: 100%;
}

.drop-zone {
    background: rgba(30, 41, 59, 0.3);
    border: 2px dashed rgba(71, 85, 105, 0.5);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.drop-zone:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.03);
    box-shadow: inset 0 0 20px rgba(59, 130, 246, 0.05);
}

.btn-premium {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    box-shadow: 0 4px 15px -1px var(--primary-glow);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-premium:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -1px var(--primary-glow);
    filter: brightness(1.1);
}

.btn-premium:active:not(:disabled) {
    transform: translateY(0) scale(0.98);
}

.file-item {
    animation: slideIn 0.4s ease-out forwards;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.sortable-ghost {
    opacity: 0.3;
    scale: 0.95;
    filter: blur(2px);
}