:root {
    --bg-dark: #09090b;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --accent: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    --card-radius: 20px;
}

body {
    margin: 0;
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: scroll;
    /* Always show scrollbar to prevent shift */
}

/* --- Animated Background --- */
.background-glob {
    position: fixed;
    top: -50%;
    left: -20%;
    width: 150vw;
    height: 150vh;
    background:
        radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.15), transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.1), transparent 40%);
    filter: blur(80px);
    z-index: -1;
    animation: moveMesh 20s infinite alternate ease-in-out;
    pointer-events: none;
}

@keyframes moveMesh {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }

    100% {
        transform: translate(-10%, 10%) rotate(5deg);
    }
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem;
}

/* --- Premium Header --- */
header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 4rem;
    position: relative;
}

.brand-wrapper {
    text-align: center;
    position: relative;
    z-index: 10;
}

.logo {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -2px;
    background: linear-gradient(135deg, #fff 30%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    display: inline-block;
    filter: drop-shadow(0 0 30px rgba(99, 102, 241, 0.3));
}

.tagline {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 4px;
    text-transform: uppercase;
    opacity: 0.8;
}

/* --- Navigation / Breadcrumbs --- */
.breadcrumbs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.crumb {
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    background: transparent;
    border: 1px solid transparent;
}

.crumb:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.crumb::after {
    content: '→';
    right: -10px;
    position: absolute;
    opacity: 0.3;
}

.crumb:last-child {
    color: #fff;
    background: var(--glass-bg);
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
    pointer-events: none;
}

.crumb:last-child::after {
    content: '';
}


/* --- Grid System --- */
.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    perspective: 1000px;
    padding-bottom: 4rem;
}

/* --- Premium Cards --- */
.item-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
}

/* Glossy highlight line */
.item-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}

.item-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
}

.item-card:hover::before {
    opacity: 1;
}

/* Icons */
.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    transition: all 0.3s;
}

.item-card:hover .card-icon {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 0 20px var(--accent-glow);
}

.folder .card-icon {
    color: #818cf8;
}

.file .card-icon {
    color: #f472b6;
}

/* Text Info */
.card-info {
    flex: 1;
}

.card-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Action Buttons */
.file-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: auto;
}

.btn {
    padding: 0.75rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-align: center;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-view {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid transparent;
}

.btn-view:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-download {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-download:hover {
    filter: brightness(1.2);
    transform: translateY(-2px);
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 6rem;
    color: var(--text-secondary);
    animation: fadeIn 0.5s;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.3;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loader */
.loader-container {
    display: flex;
    justify-content: center;
    padding: 4rem;
}

.loader {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        padding: 1.5rem;
    }

    .grid-view {
        grid-template-columns: 1fr;
    }
}

.logo {
    font-size: 2.5rem;
}


/* --- Header Links --- */
.header-links {
    margin-top: 1.5rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.header-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
    transform: translateY(-2px);
}

.header-link i {
    color: var(--accent);
}

/* --- Nav Bar & Back Button --- */
.nav-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.breadcrumbs {
    margin-bottom: 0 !important;
    /* Override default margin */
}

.back-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: #fff;
}

.back-btn.hidden {
    display: none;
}