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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    overflow: hidden;
}

.bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 20% 80%, rgba(255,255,255,0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(255,255,255,0.05) 0%, transparent 70%);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    position: relative;
    z-index: 10;
}

.login-box {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.3);
    width: 100%;
    max-width: 420px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 35px 100px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.4);
}

.login-box h2 {
    color: #333;
    margin-bottom: 8px;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: #666;
    margin-bottom: 40px;
    font-size: 14px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 15px 18px;
    border: 2px solid rgba(221, 221, 221, 0.8);
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1), 0 4px 20px rgba(102, 126, 234, 0.15);
    transform: translateY(-1px);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 100%;
    padding: 15px 24px;
    font-weight: 600;
    letter-spacing: 1px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.45);
    background: linear-gradient(135deg, #768eea 0%, #865bb2 100%);
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #f0f0f0;
    color: #333;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.btn-success {
    background: #10b981;
    color: white;
}

.btn-success:hover {
    background: #059669;
}

.error-message {
    background: #ffebee;
    color: #c62828;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.footer-text {
    margin-top: 20px;
    color: #999;
    font-size: 12px;
}

.dashboard {
    background: #f5f7fa;
    min-height: 100vh;
}

header {
    background: white;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content h1 {
    color: #333;
    font-size: 24px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info span {
    color: #666;
}

.logout-btn {
    color: #c62828;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: background 0.3s;
}

.logout-btn:hover {
    background: #ffebee;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

.toolbar {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: #999;
    margin: 0 5px;
}

.toolbar-actions {
    display: flex;
    gap: 10px;
}

.message {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.message.success {
    background: #e8f5e9;
    color: #2e7d32;
}

.message.error {
    background: #ffebee;
    color: #c62828;
}

.message.info {
    background: #e3f2fd;
    color: #1565c0;
}

.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.file-item {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.file-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.file-item.directory:hover {
    border-color: #667eea;
}

.file-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 15px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.folder-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23FFD54F' d='M10 4H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2h-8l-2-2z'/%3E%3Cpath fill='%23FF9800' d='M22 10H10l-2-2H4c-1.1 0-2 .9-2 2v6h24v-6c0-1.1-.9-2-2-2z'/%3E%3C/svg%3E");
    width: 80px;
    height: 80px;
}

.image-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%234fc3f7'%3E%3Cpath d='M21 19V5c0-1.1-.9-2-2-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2zM8.5 13.5l2.5 3.01L14.5 12l4.5 6H5l3.5-4.5z'/%3E%3C/svg%3E");
}

.pdf-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ef5350'%3E%3Cpath d='M14 2H6c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6zm2 16H8v-2h8v2zm0-4H8v-2h8v2zm-3-5V3.5L18.5 9H13z'/%3E%3C/svg%3E");
}

.doc-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%232196f3'%3E%3Cpath d='M14 2H6c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6zm2 16H8v-2h8v2zm0-4H8v-2h8v2zm-3-5V3.5L18.5 9H13z'/%3E%3C/svg%3E");
}

.xls-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2366bb6a'%3E%3Cpath d='M14 2H6c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6zm2 16H8v-2h8v2zm0-4H8v-2h8v2zm-3-5V3.5L18.5 9H13z'/%3E%3C/svg%3E");
}

.zip-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%239e9e9e'%3E%3Cpath d='M19.35 10.04A7.49 7.49 0 0012 4C9.11 4 6.6 5.64 5.35 8.04A5.994 5.994 0 000 14c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96zM10 17l-3.5-3.5 1.41-1.41L10 14.17l4.59-4.59L16 11l-6 6z'/%3E%3C/svg%3E");
}

.text-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2390caf9'%3E%3Cpath d='M14 2H6c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6zm2 16H8v-2h8v2zm0-4H8v-2h8v2zm-3-5V3.5L18.5 9H13z'/%3E%3C/svg%3E");
}

.audio-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ce93d8'%3E%3Cpath d='M12 3v10.55c-.59-.34-1.27-.55-2-.55-2.21 0-4 1.79-4 4s1.79 4 4 4 4-1.79 4-4V7h4V3h-6z'/%3E%3C/svg%3E");
}

.video-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff7043'%3E%3Cpath d='M18 4l2 4h-3l-2-4h-2l2 4h-3l-2-4H8l2 4H7L5 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V4h-4z'/%3E%3C/svg%3E");
}

.file-name {
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    font-size: 14px;
    word-break: break-all;
}

.file-meta {
    font-size: 12px;
    color: #999;
    display: flex;
    gap: 10px;
}

.file-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 5px;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.file-actions a {
    color: #666;
    text-decoration: none;
    font-size: 12px;
    padding: 5px 8px;
    background: #f5f5f5;
    border-radius: 4px;
    transition: all 0.3s;
}

.file-actions a:hover {
    background: #e0e0e0;
    color: #333;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23e0e0e0'%3E%3Cpath d='M14 2H6c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6zm2 16H8v-2h8v2zm0-4H8v-2h8v2zm-3-5V3.5L18.5 9H13z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.empty-state p {
    margin-bottom: 5px;
}

.empty-hint {
    font-size: 14px;
    color: #bbb;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.modal-content h3 {
    margin-bottom: 20px;
    color: #333;
}

.modal-content input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    margin-bottom: 20px;
}

.modal-content input:focus {
    outline: none;
    border-color: #667eea;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

#preview-content {
    max-height: 60vh;
    overflow: auto;
}

#preview-content img,
#preview-content video,
#preview-content audio {
    max-width: 100%;
    max-height: 50vh;
}

#preview-content iframe {
    width: 100%;
    height: 50vh;
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px 20px;
    text-align: center;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 100;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-content a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s;
}

.footer-content a:hover {
    color: white;
    text-decoration: underline;
}

.police-icon {
    width: 16px;
    height: 16px;
    display: inline-block;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.dashboard-footer {
    background: rgba(255, 255, 255, 0.95);
    border-top: 1px solid #eee;
}

.dashboard-footer .footer-content {
    color: #666;
}

.dashboard-footer .footer-content a {
    color: #555;
}

.dashboard-footer .footer-content a:hover {
    color: #333;
}

.dashboard-footer .police-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23555'%3E%3Cpath d='M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z'/%3E%3C/svg%3E");
}

@media (max-width: 768px) {
    .file-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .toolbar {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .toolbar-actions {
        width: 100%;
        flex-wrap: wrap;
    }
    
    .btn {
        flex: 1;
        min-width: 100px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 8px;
        font-size: 11px;
    }
}