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

:root {
    --bg: #0d1117;
    --bg-card: #161b22;
    --bg-input: #0d1117;
    --border: #30363d;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --green: #3fb950;
    --red: #f85149;
    --yellow: #d29922;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
    --radius: 8px;
}

html { font-size: 14px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.header h1 span { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 12px; }

/* API Key */
.api-key-group {
    display: flex;
    align-items: center;
    gap: 6px;
}
.api-key-group input {
    width: 200px;
    padding: 4px 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 0.85rem;
    font-family: var(--font-mono);
}
.api-key-group input::placeholder { color: var(--text-muted); }

/* Main */
.main { max-width: 1200px; margin: 0 auto; padding: 20px; }

/* Sections */
.section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
}
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
}
.section-header h2 {
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-body { padding: 16px; }

/* Download Form */
.download-form { display: flex; flex-direction: column; gap: 12px; }
.form-row { display: flex; gap: 8px; align-items: center; }
.form-row.stacked { flex-direction: column; align-items: stretch; }

.url-input {
    flex: 1;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 1rem;
    font-family: var(--font-mono);
    transition: border-color 0.2s;
}
.url-input:focus {
    outline: none;
    border-color: var(--accent);
}

select {
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
    min-width: 200px;
}
select:focus { outline: none; border-color: var(--accent); }

.args-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    resize: vertical;
    min-height: 40px;
}
.args-input:focus { outline: none; border-color: var(--accent); }

/* Buttons */
.btn {
    padding: 8px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    color: var(--text);
}
.btn:hover { border-color: var(--text-muted); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-danger {
    background: transparent;
    border-color: var(--red);
    color: var(--red);
}
.btn-danger:hover { background: var(--red); color: #fff; }

.btn-sm { padding: 4px 12px; font-size: 0.8rem; }

.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* Console */
.console {
    background: #010409;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    max-height: 500px;
    min-height: 200px;
    overflow-y: auto;
    padding: 12px 16px;
    color: var(--green);
    white-space: pre-wrap;
    word-break: break-all;
    position: relative;
}
.console:empty::before {
    content: 'Console output will appear here...';
    color: var(--text-muted);
}
.console .line-error { color: var(--red); }
.console .line-warning { color: var(--yellow); }
.console .line-info { color: var(--accent); }
.console .line-download { color: var(--green); }

.console-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    gap: 8px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}
.status-running { background: rgba(56,139,253,0.15); color: var(--accent); }
.status-completed { background: rgba(63,185,80,0.15); color: var(--green); }
.status-failed { background: rgba(248,81,73,0.15); color: var(--red); }
.status-cancelled { background: rgba(139,148,158,0.15); color: var(--text-muted); }

/* File Manager Table */
.files-table {
    width: 100%;
    border-collapse: collapse;
}
.files-table th,
.files-table td {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}
.files-table th {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.files-table tr:hover td { background: rgba(255,255,255,0.02); }
.files-table .file-name {
    color: var(--accent);
    cursor: pointer;
    text-decoration: none;
    word-break: break-all;
}
.files-table .file-name:hover { text-decoration: underline; }
.files-table .file-size { color: var(--text-muted); white-space: nowrap; }
.files-table .file-date { color: var(--text-muted); white-space: nowrap; }

.empty-state {
    text-align: center;
    padding: 32px;
    color: var(--text-muted);
}

/* Task History */
.task-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.task-item:last-child { border-bottom: none; }
.task-url {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.task-time {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Preset Manager */
.preset-form { display: flex; gap: 8px; margin-bottom: 12px; }
.preset-form input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
}
.preset-form input:focus { outline: none; border-color: var(--accent); }
.preset-list { list-style: none; }
.preset-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
}
.preset-list li:last-child { border-bottom: none; }
.preset-name { font-weight: 500; min-width: 160px; }
.preset-args {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.preset-badge {
    font-size: 0.7rem;
    padding: 1px 6px;
    border-radius: 4px;
    background: rgba(139,148,158,0.15);
    color: var(--text-muted);
}

/* Cookies status */
.cookies-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-size: 0.85rem;
}
.cookies-ok { border-color: var(--green); background: rgba(63,185,80,0.08); }
.cookies-warn { border-color: var(--yellow); background: rgba(210,153,34,0.08); }
.cookies-none { border-color: var(--border); background: rgba(139,148,158,0.05); }
.cookies-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.cookies-ok .cookies-dot { background: var(--green); }
.cookies-warn .cookies-dot { background: var(--yellow); }
.cookies-none .cookies-dot { background: var(--text-muted); }

/* Cookie warning banner in header */
.cookies-header-warn {
    font-size: 0.75rem;
    color: var(--yellow);
    cursor: pointer;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}
.tab {
    padding: 8px 16px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: all 0.15s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Loading spinner */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
    display: inline-block;
    width: 14px; height: 14px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .header { flex-direction: column; gap: 8px; }
    .form-row { flex-direction: column; }
    select { min-width: unset; width: 100%; }
    .main { padding: 12px; }
    .api-key-group input { width: 140px; }
    .preset-form { flex-direction: column; }
    .files-table .file-date { display: none; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Toast notifications */
.toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast {
    padding: 10px 16px;
    border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    animation: slideIn 0.2s ease-out;
    max-width: 360px;
}
.toast-success { border-left: 3px solid var(--green); }
.toast-error { border-left: 3px solid var(--red); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }