@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-dark: #0f111a;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.06);
    --accent-primary: #8b5cf6;
    --accent-secondary: #ec4899;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --danger: #ef4444;
    --success: #10b981;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.15), transparent 25%);
    background-attachment: fixed;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

p.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.container {
    width: 100%;
    max-width: 900px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.upload-area {
    border: 2px dashed var(--glass-border);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--accent-primary);
    background: var(--glass-hover);
}

.upload-area i {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.upload-area span {
    display: block;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

#fileInput {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.file-info {
    display: none;
    align-items: center;
    justify-content: space-between;
    background: rgba(0,0,0,0.2);
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    border: 1px solid var(--glass-border);
}

.file-details {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.file-icon {
    font-size: 2rem;
    color: var(--accent-secondary);
}

.file-name {
    font-weight: 600;
    font-size: 1.1rem;
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.remove-file {
    background: transparent;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
    transition: transform 0.2s;
}

.remove-file:hover {
    transform: scale(1.1);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
    transition: opacity 0.3s ease;
}

.options-grid.active {
    opacity: 1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

select, input[type="range"] {
    width: 100%;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    appearance: none;
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    cursor: pointer;
}

select:focus, input[type="range"]:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2);
}

select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.range-header {
    display: flex;
    justify-content: space-between;
}

.range-value {
    color: var(--accent-primary);
    font-weight: 600;
}

input[type=range] {
    padding: 0;
    height: 6px;
    border: none;
    border-radius: 3px;
    background: var(--glass-border);
}

input[type=range]::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

.btn-convert {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 12px;
    background: var(--accent-gradient);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.5;
    pointer-events: none;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-convert.active {
    opacity: 1;
    pointer-events: all;
}

.btn-convert.active:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
}

.progress-container {
    display: none;
    margin-top: 2rem;
    background: rgba(0,0,0,0.2);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-weight: 500;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: var(--glass-border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    width: 0%;
    transition: width 0.3s ease;
}

.log-console {
    background: #000;
    color: #10b981;
    font-family: monospace;
    font-size: 0.85rem;
    padding: 1rem;
    border-radius: 8px;
    height: 150px;
    overflow-y: auto;
    border: 1px solid #333;
    white-space: pre-wrap;
    word-break: break-all;
}

.result-container {
    display: none;
    margin-top: 2rem;
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.result-container h3 {
    color: var(--success);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    background: var(--success);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }
    h1 {
        font-size: 2.2rem;
    }
}

/* Dashboard Styles */
.dashboard-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dashboard-item {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.dashboard-item:hover {
    border-color: var(--accent-primary);
    background: var(--glass-hover);
}

.dashboard-item-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.dashboard-item-title {
    font-weight: 600;
    font-size: 1.1rem;
    word-break: break-all;
}

.dashboard-item-status {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.running { background: rgba(139, 92, 246, 0.2); color: var(--accent-primary); }
.badge.done { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.badge.failed { background: rgba(239, 68, 68, 0.2); color: var(--danger); }