@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Poppins:wght@300;400;600&display=swap');

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #151520;
    --bg-tertiary: #1e1e2e;
    --accent-cyan: #00f5ff;
    --accent-magenta: #ff006e;
    --accent-purple: #8338ec;
    --text-primary: #ffffff;
    --text-secondary: #b4b4b4;
    --text-muted: #666666;
    --border-glow: rgba(0, 245, 255, 0.3);
    --shadow-glow: 0 0 30px rgba(0, 245, 255, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated background particles */
.bg-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.3;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: float 15s infinite linear;
}

@keyframes float {
    0% { transform: translateY(100vh) translateX(0px); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) translateX(100px); opacity: 0; }
}

/* Header */
.header {
    text-align: center;
    padding: 2rem;
    position: relative;
    background: linear-gradient(90deg, transparent, rgba(0, 245, 255, 0.1), transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-glow);
}

.title {
    font-family: 'Orbitron', monospace;
    font-size: clamp(2rem, 8vw, 4rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 8px;
    background: linear-gradient(45deg, var(--accent-cyan), var(--accent-magenta), var(--accent-purple));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease-in-out infinite;
    text-shadow: var(--shadow-glow);
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-style: italic;
    opacity: 0;
    animation: fade-in-up 1s ease-out 0.5s forwards;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Navigation */
.breadcrumb {
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-glow);
    font-family: 'Orbitron', monospace;
    flex-wrap: wrap;
}

.breadcrumb-item {
    color: var(--accent-cyan);
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.breadcrumb-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 245, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.breadcrumb-item:hover:before {
    left: 100%;
}

.breadcrumb-item:hover {
    background: rgba(0, 245, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.breadcrumb-separator {
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* Controls */
.controls {
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-glow);
}

.view-toggle {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.8rem 1.5rem;
    background: linear-gradient(45deg, var(--accent-cyan), var(--accent-purple));
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover:before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 245, 255, 0.4);
}

.btn.active {
    background: var(--accent-magenta);
}

/* Explorer Grid */
.explorer {
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    min-height: 60vh;
}

.explorer.list-view {
    grid-template-columns: 1fr;
    gap: 1rem;
}

.item {
    background: var(--bg-tertiary);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid transparent;
    position: relative;
    opacity: 0;
    animation: item-appear 0.6s ease-out forwards;
}

.item:nth-child(odd) {
    animation-delay: 0.1s;
}

.item:nth-child(even) {
    animation-delay: 0.2s;
}

@keyframes item-appear {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.item:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow);
}

.item.folder {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--accent-purple));
}

.item.folder:hover {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-magenta));
}

.item-preview {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.list-view .item-preview {
    height: 80px;
    width: 80px;
    border-radius: 12px;
}

.item-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.item:hover .item-preview img {
    transform: scale(1.1);
}

.folder-icon {
    font-size: 4rem;
    color: var(--accent-cyan);
    text-shadow: var(--shadow-glow);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.item-info {
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.list-view .item {
    display: flex;
    align-items: center;
    padding: 1rem;
}

.list-view .item-info {
    flex: 1;
    padding: 0 1rem;
    background: none;
}

.item-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 1.1rem;
    word-break: break-all;
}

.item-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.item-actions {
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.item:hover .item-actions {
    opacity: 1;
}

.action-btn {
    padding: 0.5rem;
    background: var(--accent-cyan);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: var(--accent-magenta);
    transform: scale(1.1);
}

/* Loading & Messages */
.message-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 50vh;
    gap: 2rem;
    font-family: 'Orbitron', monospace;
    color: var(--accent-cyan);
    font-size: 1.2rem;
}

.loading-spinner {
    width: 80px;
    height: 80px;
    border: 4px solid var(--bg-tertiary);
    border-top: 4px solid var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    animation: pulse-text 2s ease-in-out infinite;
}

@keyframes pulse-text {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: modal-appear 0.3s ease-out;
}

@keyframes modal-appear {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
    animation: modal-zoom 0.3s ease-out;
}

@keyframes modal-zoom {
    from { transform: scale(0.5); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: var(--accent-magenta);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--accent-cyan);
    transform: rotate(90deg);
}

/* Responsive */
@media (max-width: 768px) {
    .controls {
        flex-direction: column;
        gap: 1rem;
    }
    
    .explorer {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        padding: 1rem;
    }
}