:root {
    --bg-color: #0f1115;
    --panel-bg: rgba(22, 25, 33, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --accent-cyan: #00f3ff;
    --accent-orange: #ff7a00;
    --danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Space Grotesk', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(0, 243, 255, 0.03), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(255, 122, 0, 0.03), transparent 25%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent-cyan);
}

.logo small {
    color: var(--accent-orange);
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    margin-left: 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.nav-link:hover {
    color: var(--accent-cyan);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
}

.page-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Glass Panel */
.glass-panel {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* File Grid */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding-bottom: 4rem;
}

.file-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    display: flex;
    flex-direction: column;
}

.file-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 243, 255, 0.1);
    border-color: rgba(0, 243, 255, 0.3);
}

.file-img-container {
    height: 160px;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.file-img-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.file-img-placeholder {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.file-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.file-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.file-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
    flex-grow: 1;
}

.file-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.file-meta span {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
}

.downloader-code {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 122, 0, 0.1);
    border: 1px dashed rgba(255, 122, 0, 0.3);
    border-radius: 6px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.downloader-link {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 122, 0, 0.2);
    color: var(--text-primary);
    padding: 0.5rem 0.8rem;
    text-decoration: none;
    transition: background 0.2s;
}
.downloader-link:hover {
    background: rgba(255, 122, 0, 0.4);
}
.downloader-num {
    color: var(--accent-orange);
    font-family: monospace;
    font-size: 1.1rem;
    font-weight: bold;
    padding: 0.5rem 1rem;
    flex-grow: 1;
    text-align: center;
}
.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem 0.8rem;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.copy-btn:hover {
    color: var(--accent-cyan);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: all 0.3s;
    font-size: 0.9rem;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-cyan);
    color: #000;
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 0 25px rgba(0, 243, 255, 0.5);
    transform: translateY(-2px);
}

.btn-primary.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-accent {
    background: transparent;
    color: var(--accent-orange);
    border: 1px solid var(--accent-orange);
}

.btn-accent:hover {
    background: rgba(255, 122, 0, 0.1);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}
.btn-danger:hover {
    background: var(--danger);
    color: #fff;
}

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

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

input, textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.8rem 1rem;
    border-radius: 6px;
    outline: none;
    transition: border-color 0.3s;
}

input:focus, textarea:focus {
    border-color: var(--accent-cyan);
}

.file-input {
    padding: 0.5rem;
    background: transparent;
    border: 1px dashed var(--border-color);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.full-width {
    grid-column: 1 / -1;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.table-container {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.error-msg {
    color: var(--danger);
    font-size: 0.9rem;
    margin-top: 1rem;
    text-align: center;
}