:root {
    --accent: #8a2bff;
    --accent2: #aa62ff;
    --bg: #0b0b10;
    --panel: #111118;
    --panel2: #171720;
    --panel3: #1c1c27;
    --border: rgba(255,255,255,.07);
    --borderHover: rgba(138,43,255,.45);
    --text: #f4f4fb;
    --muted: #9c9cb0;
}

* { box-sizing: border-box; font-family: 'JetBrains Mono', monospace; margin:0; padding:0; }

html, body {
    width: 100%; height: 100%; background: var(--bg); color: var(--text); overflow: hidden;
}

#app {
    width: 1120px;
    max-width: 96vw;
    height: 94vh;
    margin: 30px auto;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 30px 70px rgba(0,0,0,.6);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.topbar {
    padding: 18px 28px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(138,43,255,.07), transparent);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.title { font-size: 19px; font-weight: 800; letter-spacing: 0.8px; }
.subtitle { color: var(--muted); font-size: 11.5px; margin-top: 3px; }

.main {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    padding: 22px;
    overflow: hidden;
}

.panel {
    background: var(--panel);
    border-radius: 10px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    padding: 14px 20px;
    background: var(--panel3);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-title { font-size: 13px; font-weight: 700; }

.dropzone {
    flex: 1;
    margin: 16px;
    border: 2px dashed var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.25s;
    cursor: pointer;
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--accent2);
    background: rgba(138,43,255,0.08);
}

.drop-text p { margin: 8px 0; color: var(--muted); }

.btn {
    padding: 11px 20px;
    border-radius: 5px;
    font-weight: 700;
    font-size: 12.5px;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-primary {
    background: linear-gradient(180deg, var(--accent2), var(--accent));
    color: white;
    border: none;
}

.btn-secondary {
    background: #1f1f2a;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 18px rgba(138,43,255,0.4);
}

.code-container {
    flex: 1;
    padding: 18px;
    overflow: auto;
    background: #0d0d14;
    font-size: 13.2px;
    line-height: 1.48;
    white-space: pre;
    color: #c8c8d6;
}

.controls {
    padding: 14px 20px;
    background: var(--panel3);
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
}

.settings { padding: 0 20px 20px; }
.setting-row {
    margin-bottom: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.footer {
    padding: 14px 28px;
    font-size: 10.5px;
    color: var(--muted);
    text-align: center;
    border-top: 1px solid var(--border);
    background: rgba(255,255,255,0.01);
}