/* =============================================================================
   Upload Portal Styles - upload.blazeit.club
   ============================================================================= */

:root {
    /* Winter color palette */
    --color-bg: #0a1628;
    --color-surface: rgba(15, 30, 55, 0.85);
    --color-surface-light: rgba(25, 45, 75, 0.9);
    --color-accent: #4fc3f7;
    --color-accent-light: #81d4fa;
    --color-accent-dark: #0288d1;
    --color-success: #4caf50;
    --color-error: #ef5350;
    --color-warning: #ffb74d;
    --color-text: #e3f2fd;
    --color-text-muted: #90a4ae;
    --color-border: rgba(79, 195, 247, 0.2);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;

    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(79, 195, 247, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    line-height: 1.6;
}

/* Background */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.background-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6) saturate(1.1);
}

.background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg,
            rgba(10, 22, 40, 0.7) 0%,
            rgba(10, 22, 40, 0.5) 50%,
            rgba(10, 22, 40, 0.8) 100%);
}

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 600;
    background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subdomain-badge {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    font-family: monospace;
}

.auth-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.auth-loading {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.auth-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(76, 175, 80, 0.15);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: var(--radius-md);
    color: var(--color-success);
    font-weight: 500;
}

.auth-user .admin-badge {
    font-size: 0.75rem;
    padding: 2px 6px;
    background: var(--color-success);
    color: white;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 600;
}

/* Auth Required Card */
.auth-required-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    margin: var(--spacing-2xl) auto;
}

.auth-required-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.auth-required-card h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.auth-required-card p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.auth-required-card a {
    color: var(--color-accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    font-family: var(--font-family);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
}

.btn-danger {
    background: rgba(239, 83, 80, 0.15);
    color: var(--color-error);
    border: 1px solid rgba(239, 83, 80, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 83, 80, 0.25);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Upload Section */
.upload-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.drop-zone {
    position: relative;
    padding: var(--spacing-2xl);
    background: var(--color-surface);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--color-accent);
    background: rgba(79, 195, 247, 0.05);
    box-shadow: var(--shadow-glow);
}

.drop-zone-content {
    pointer-events: none;
}

.drop-zone-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.drop-zone h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.drop-zone-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* Upload Progress */
.upload-progress {
    padding: var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    backdrop-filter: blur(20px);
}

.progress-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    border-radius: 4px;
    transition: width var(--transition-fast);
}

.progress-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Files Section */
.files-section {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.files-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.files-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.files-header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.folder-size {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
}

.files-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.files-list {
    flex: 1;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    overflow: hidden;
    min-height: 300px;
}

.files-loading,
.files-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}

.file-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

.file-item:last-child {
    border-bottom: none;
}

.file-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.file-icon {
    font-size: 1.5rem;
    margin-right: var(--spacing-md);
}

.file-info {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    display: flex;
    gap: var(--spacing-md);
    margin-top: 2px;
}

.file-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.file-actions .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

/* Share Status Indicator */
.file-status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
}

.file-status-indicator.private {
    background: var(--color-error);
    box-shadow: 0 0 6px rgba(239, 83, 80, 0.5);
}

.file-status-indicator.shared {
    background: var(--color-success);
    box-shadow: 0 0 6px rgba(76, 175, 80, 0.5);
}

/* Share Expiry Label */
.share-expiry {
    color: var(--color-success);
    font-weight: 500;
}

/* Share Dropdown */
.share-dropdown-container {
    position: relative;
}

.share-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-xs);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    overflow: hidden;
    min-width: 120px;
}

.share-dropdown button {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.share-dropdown button:hover {
    background: rgba(79, 195, 247, 0.15);
}

.share-dropdown button:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
}

/* Warning Button */
.btn-warning {
    background: rgba(255, 183, 77, 0.15);
    color: var(--color-warning);
    border: 1px solid rgba(255, 183, 77, 0.3);
}

.btn-warning:hover {
    background: rgba(255, 183, 77, 0.25);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 1000;
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    animation: toast-in 0.3s ease forwards;
    max-width: 400px;
}

.toast.success {
    border-color: var(--color-success);
}

.toast.error {
    border-color: var(--color-error);
}

.toast.warning {
    border-color: var(--color-warning);
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes toast-out {
    from {
        opacity: 1;
        transform: translateY(0);
    }

    to {
        opacity: 0;
        transform: translateY(20px);
    }
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }

    .header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .header-left {
        flex-direction: column;
    }

    .drop-zone {
        padding: var(--spacing-xl);
    }

    .file-item {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .file-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
    }

    .toast {
        max-width: none;
    }
}