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

:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --danger: #ef4444;
    --success: #10b981;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
}

.auth-notice {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    text-align: center;
}

.glass-panel {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 800px;
    animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(to right, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.5);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.file-drop-area {
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background-color: rgba(0, 0, 0, 0.1);
}

.file-drop-area:hover, .file-drop-area.dragover {
    border-color: var(--accent);
    background-color: rgba(59, 130, 246, 0.05);
}

.file-drop-area input[type="file"] {
    display: none;
}

.list-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.list-item:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateX(4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.item-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.item-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.badge {
    background-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Grid for files */
.files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.file-card {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    overflow: hidden;
    transition: all 0.2s;
}

.file-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    border-color: var(--accent);
}

.file-preview {
    height: 150px;
    width: 100%;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.file-preview img, .file-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-preview .icon-placeholder {
    font-size: 3rem;
    color: var(--text-secondary);
}

.file-info {
    padding: 1rem;
}

.file-name {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.25rem;
}

.file-size {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

nav.breadcrumb {
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

nav.breadcrumb a {
    color: var(--accent);
    text-decoration: none;
}

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

nav.breadcrumb span {
    color: var(--text-secondary);
    margin: 0 0.5rem;
}

/* Modal Styles */
.modal {
    display: none; 
    position: fixed; 
    z-index: 1000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.9); 
    backdrop-filter: blur(5px);
}

.modal-content-wrapper {
    margin: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 90%;
    max-width: 1000px;
    height: 100%;
}

.modal-media {
    max-width: 100%;
    max-height: 70vh;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
}

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