:root {
    --bg-color: #05020a;
    --text-color: #e2e8f0;
    --accent-color: #9333ea;
    /* Purple */
    --accent-hover: #7e22ce;
    --secondary-color: #22c55e;
    /* Green */
    --glass-bg: rgba(20, 10, 30, 0.7);
    --glass-border: rgba(147, 51, 234, 0.2);
    --card-bg: #1a1025;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --font-main: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(147, 51, 234, 0.2) 0%, transparent 25%),
        radial-gradient(circle at 90% 80%, rgba(34, 197, 94, 0.15) 0%, transparent 25%);
}

.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
}

.logo {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--glass-border);
    border-radius: 1rem;
    padding: 3rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--accent-color);
    background: rgba(147, 51, 234, 0.05);
}

.upload-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: block;
}

.upload-text {
    font-size: 1.1rem;
    color: #94a3b8;
}

.upload-text span {
    color: var(--accent-color);
    font-weight: 600;
}

#fileInput {
    display: none;
}

/* Progress Bar */
.progress-container {
    margin-top: 1.5rem;
    display: none;
}

.progress-bar-bg {
    background: #334155;
    border-radius: 999px;
    height: 8px;
    overflow: hidden;
}

.progress-bar-fill {
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
    height: 100%;
    width: 0%;
    transition: width 0.2s ease;
    border-radius: 999px;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: #94a3b8;
    margin-top: 0.5rem;
}

/* Success State */
.success-container {
    display: none;
    text-align: center;
    margin-top: 2rem;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    color: var(--success-color);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.link-box {
    display: flex;
    background: #0f172a;
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    padding: 0.5rem;
    margin-top: 1rem;
    align-items: center;
}

.link-input {
    background: transparent;
    border: none;
    color: var(--text-color);
    flex-grow: 1;
    padding: 0.5rem;
    font-family: monospace;
    font-size: 1rem;
    outline: none;
}

.copy-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
}

.copy-btn:hover {
    background: var(--accent-hover);
}

/* File View */
.file-info {
    text-align: center;
}

.file-preview {
    margin: 2rem 0;
    border-radius: 1rem;
    overflow: hidden;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    max-height: 500px;
}

.file-preview img,
.file-preview video {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
}

.file-preview audio {
    width: 100%;
}

.file-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
    text-align: left;
    background: rgba(15, 23, 42, 0.5);
    padding: 1.5rem;
    border-radius: 1rem;
}

.meta-item label {
    display: block;
    color: #94a3b8;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.meta-item span {
    font-weight: 600;
    font-size: 1.1rem;
}

.download-btn {
    display: block;
    width: 100%;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    padding: 1rem;
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.2s, background 0.2s;
    text-align: center;
    border: none;
    cursor: pointer;
}

.download-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.download-btn i {
    margin-right: 0.5rem;
}

/* Recent Uploads */
.recent-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 23, 42, 0.4);
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    margin-bottom: 0.5rem;
    transition: opacity 0.3s ease, transform 0.2s ease;
}

.recent-item:hover {
    transform: translateX(2px);
    background: rgba(15, 23, 42, 0.6);
}

.recent-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.recent-name {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.recent-date {
    font-size: 0.75rem;
    color: #94a3b8;
}

.recent-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: 0.4rem;
    transition: all 0.2s;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.delete-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-color);
}

.share-btn:hover {
    background: rgba(147, 51, 234, 0.2);
    color: var(--accent-color);
}

/* Footer & Report */
.site-footer {
    margin-top: 3rem;
    color: #6b7280;
    font-size: 0.875rem;
    text-align: center;
}

.report-btn {
    background: transparent;
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 0.75rem;
    width: 100%;
    border-radius: 0.75rem;
    margin-top: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
}

.report-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Mobile Optimization */
@media (max-width: 640px) {
    .container {
        padding: 1rem;
    }

    .file-info {
        text-align: center;
    }

    .file-preview {
        margin: 2rem 0;
        border-radius: 1rem;
        overflow: hidden;
        background: #000;
        display: flex;
        justify-content: center;
        align-items: center;
        max-height: 500px;
    }

    .file-preview img,
    .file-preview video {
        max-width: 100%;
        max-height: 500px;
        object-fit: contain;
    }

    .file-preview audio {
        width: 100%;
    }

    .file-meta {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-bottom: 2rem;
        text-align: left;
        background: rgba(15, 23, 42, 0.5);
        padding: 1.5rem;
        border-radius: 1rem;
    }

    .meta-item label {
        display: block;
        color: #94a3b8;
        font-size: 0.875rem;
        margin-bottom: 0.25rem;
    }

    .meta-item span {
        font-weight: 600;
        font-size: 1.1rem;
    }

    .download-btn {
        display: block;
        width: 100%;
        background: var(--accent-color);
        color: white;
        text-decoration: none;
        padding: 1rem;
        border-radius: 0.75rem;
        font-weight: 700;
        font-size: 1.1rem;
        transition: transform 0.2s, background 0.2s;
        text-align: center;
        border: none;
        cursor: pointer;
    }

    .download-btn:hover {
        background: var(--accent-hover);
        transform: translateY(-2px);
    }

    .download-btn i {
        margin-right: 0.5rem;
    }

    /* Recent Uploads */
    .recent-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: rgba(15, 23, 42, 0.4);
        padding: 0.75rem 1rem;
        border-radius: 0.75rem;
        margin-bottom: 0.5rem;
        transition: opacity 0.3s ease, transform 0.2s ease;
    }

    .recent-item:hover {
        transform: translateX(2px);
        background: rgba(15, 23, 42, 0.6);
    }

    .recent-info {
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .recent-name {
        font-weight: 600;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 200px;
    }

    .recent-date {
        font-size: 0.75rem;
        color: #94a3b8;
    }

    .recent-actions {
        display: flex;
        gap: 0.5rem;
    }

    .action-btn {
        background: transparent;
        border: none;
        color: #94a3b8;
        cursor: pointer;
        padding: 0.4rem;
        border-radius: 0.4rem;
        transition: all 0.2s;
    }

    .action-btn:hover {
        background: rgba(255, 255, 255, 0.1);
        color: white;
    }

    .delete-btn:hover {
        background: rgba(239, 68, 68, 0.2);
        color: var(--error-color);
    }

    .share-btn:hover {
        background: rgba(147, 51, 234, 0.2);
        color: var(--accent-color);
    }

    /* Footer & Report */
    .site-footer {
        margin-top: 3rem;
        color: #6b7280;
        font-size: 0.875rem;
        text-align: center;
    }

    .report-btn {
        background: transparent;
        color: #ef4444;
        border: 1px solid rgba(239, 68, 68, 0.3);
        padding: 0.75rem;
        width: 100%;
        border-radius: 0.75rem;
        margin-top: 1rem;
        cursor: pointer;
        transition: all 0.2s;
        font-weight: 600;
    }

    .report-btn:hover {
        background: rgba(239, 68, 68, 0.1);
        border-color: #ef4444;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(10px);
        }

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

    /* Mobile Optimization */
    @media (max-width: 640px) {
        .container {
            padding: 1rem;
        }

        .card {
            padding: 1.5rem;
        }

        .file-meta {
            grid-template-columns: 1fr;
        }

        .recent-name {
            max-width: 150px;
        }
    }

    /* Install Banner */
    .install-banner {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background: var(--glass-bg);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-top: 1px solid var(--glass-border);
        padding: 1rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
        animation: slideUp 0.5s ease;
    }

    .install-content {
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .install-content i {
        font-size: 1.5rem;
        color: var(--secondary-color);
    }

    .install-content span {
        font-weight: 600;
        font-size: 0.9rem;
    }

    .install-action-btn {
        background: var(--accent-color);
        color: white;
        border: none;
        padding: 0.5rem 1rem;
        border-radius: 0.5rem;
        font-weight: 600;
        cursor: pointer;
        transition: background 0.2s;
    }

    font-size: 1.1rem;
}

.download-btn {
    display: block;
    width: 100%;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    padding: 1rem;
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.2s, background 0.2s;
    text-align: center;
    border: none;
    cursor: pointer;
}

.download-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.download-btn i {
    margin-right: 0.5rem;
}

/* Recent Uploads */
.recent-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 23, 42, 0.4);
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    margin-bottom: 0.5rem;
    transition: opacity 0.3s ease, transform 0.2s ease;
}

.recent-item:hover {
    transform: translateX(2px);
    background: rgba(15, 23, 42, 0.6);
}

.recent-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.recent-name {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.recent-date {
    font-size: 0.75rem;
    color: #94a3b8;
}

.recent-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: 0.4rem;
    transition: all 0.2s;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.delete-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-color);
}

.share-btn:hover {
    background: rgba(147, 51, 234, 0.2);
    color: var(--accent-color);
}

/* Footer & Report */
.site-footer {
    margin-top: 3rem;
    color: #6b7280;
    font-size: 0.875rem;
    text-align: center;
}

.report-btn {
    background: transparent;
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 0.75rem;
    width: 100%;
    border-radius: 0.75rem;
    margin-top: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
}

.report-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Mobile Optimization */
@media (max-width: 640px) {
    .container {
        padding: 1rem;
    }

    .card {
        padding: 1.5rem;
    }

    .file-meta {
        grid-template-columns: 1fr;
    }

    .recent-name {
        max-width: 150px;
    }
}

/* Install Banner */
.install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--glass-border);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    animation: slideUp 0.5s ease;
}

.install-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.install-content i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.install-content span {
    font-weight: 600;
    font-size: 0.9rem;
}

.install-action-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.install-action-btn:hover {
    background: var(--accent-hover);
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

@media (min-width: 641px) {
    .install-banner {
        display: none !important;
    }
}