:root {
    --primary: #22c55e;
    --bg: #050505;
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Plus Jakarta Sans', sans-serif; }

body {
    background: var(--bg);
    background-image: radial-gradient(circle at 50% -20%, #1a4731 0%, transparent 50%);
    color: #fff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 40px 20px;
}

.glass-container {
    width: 100%;
    max-width: 1100px;
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
}

header { text-align: center; margin-bottom: 40px; }
h1 { font-size: 2.5rem; letter-spacing: -1px; }
h1 span { color: var(--primary); text-shadow: 0 0 20px rgba(34, 197, 94, 0.4); }
p { color: #888; margin-top: 10px; }

.input-section { display: flex; flex-direction: column; gap: 15px; margin-bottom: 40px; }

textarea {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    color: #fff;
    font-size: 1rem;
    resize: none;
    transition: 0.3s;
}

textarea:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 15px rgba(34, 197, 94, 0.1); }

button {
    background: var(--primary);
    color: #000;
    font-weight: 700;
    padding: 18px;
    border-radius: 14px;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

button:hover { transform: translateY(-2px); filter: brightness(1.1); }

.output-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.panel {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
}

.panel-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 12px 20px;
    font-size: 0.8rem;
    color: #aaa;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

pre { padding: 20px; font-family: 'monospace'; color: #22c55e; height: 350px; overflow-y: auto; font-size: 0.9rem; }

iframe {
    width: 100%;
    height: 350px;
    background: #fff;
    border: none;
}

#copy-btn { padding: 5px 12px; font-size: 0.7rem; background: transparent; border: 1px solid var(--primary); color: var(--primary); width: auto; }

.loader {
    display: none;
    width: 20px; height: 20px;
    border: 3px solid #000;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

@keyframes spin { to { transform: rotate(360deg); } }