:root {
    --bg: #0a0f1c;
    --bg-soft: #11182a;
    --card: #141d33;
    --accent: #5af0ff;
    --accent-strong: #58c4ff;
    --text: #f7fbff;
    --muted: #b7c4d3;
    --border: #1f2a45;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

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

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(120% 90% at 20% 20%, rgba(90, 240, 255, 0.18), transparent),
                radial-gradient(90% 70% at 80% 0%, rgba(88, 196, 255, 0.12), transparent),
                var(--bg);
    color: var(--text);
    font-family: "DM Sans", "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    padding: 32px 20px 48px;
}

.layout {
    max-width: 980px;
    margin: 0 auto;
}

.hero .eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 12px;
    color: var(--accent);
    background: rgba(90, 240, 255, 0.1);
    padding: 8px 12px;
    border: 1px solid rgba(90, 240, 255, 0.2);
    border-radius: 999px;
}

.hero h1 {
    margin: 16px 0 12px;
    font-size: clamp(32px, 4vw, 44px);
    letter-spacing: -0.02em;
}

.lede {
    margin: 0 0 16px;
    color: var(--muted);
    max-width: 720px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    padding: 8px 12px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 14px;
}

.panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 20px;
    margin: 24px 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px;
}

.form {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

label {
    font-weight: 600;
    color: var(--text);
}

input,
textarea {
    width: 100%;
    padding: 12px 14px;
    background: #0c1322;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 15px;
}

input:focus,
textarea:focus {
    outline: 2px solid rgba(90, 240, 255, 0.5);
}

.cta {
    background: linear-gradient(120deg, var(--accent), var(--accent-strong));
    border: none;
    color: #05202c;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 18px;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(90, 240, 255, 0.35);
}

.hint {
    color: var(--muted);
    font-size: 14px;
    margin-top: 10px;
}

.response {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.response-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 12px;
}

.status {
    padding: 6px 10px;
    border-radius: 8px;
    background: rgba(90, 240, 255, 0.12);
    border: 1px solid rgba(90, 240, 255, 0.35);
    color: var(--accent);
    font-weight: 700;
}

.response-box {
    margin: 0;
    background: #0c1322;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    color: var(--accent-strong);
    min-height: 140px;
    overflow-x: auto;
    font-family: "JetBrains Mono", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
    font-size: 14px;
}

.notes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}

.note {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow);
}

.note h3 {
    margin-top: 0;
    margin-bottom: 8px;
}

.note p {
    margin: 0;
    color: var(--muted);
}

.snippet {
    margin: 0;
    background: #0c1322;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    color: var(--text);
    font-size: 13px;
    overflow-x: auto;
    white-space: pre;
}

@media (max-width: 640px) {
    body {
        padding: 24px 16px;
    }

    .panel {
        grid-template-columns: 1fr;
    }
}