:root {
    color-scheme: light;
    --bg: #f5f7fb;
    --panel: #ffffff;
    --text: #172033;
    --muted: #647084;
    --border: #d8dfeb;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --success: #16a34a;
    --code-bg: #111827;
    --code-text: #d1d5db;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.page {
    width: min(1440px, calc(100vw - 32px));
    margin: 0 auto;
    padding: 28px 0 40px;
}

.hero {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: stretch;
    margin-bottom: 24px;
}

.hero h1 {
    margin: 4px 0 10px;
    font-size: 32px;
}

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

.eyebrow {
    color: var(--primary) !important;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.token-card,
.panel {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--panel);
    box-shadow: 0 12px 30px rgba(17, 24, 39, .06);
}

.token-card {
    min-width: 260px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.label {
    color: var(--muted);
    font-size: 13px;
}

.grid {
    display: grid;
    grid-template-columns: minmax(420px, 1fr) minmax(420px, 1fr);
    gap: 24px;
    align-items: start;
}

.panel {
    padding: 22px;
}

.panel h2 {
    margin: 0 0 16px;
    font-size: 18px;
}

label {
    display: block;
    margin-bottom: 16px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
}

input,
select,
textarea {
    width: 100%;
    margin-top: 8px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    color: var(--text);
    font: inherit;
    padding: 11px 12px;
    outline: none;
}

textarea {
    resize: vertical;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    line-height: 1.5;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

.row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 16px;
}

.actions {
    display: flex;
    gap: 12px;
}

button {
    border: 0;
    border-radius: 10px;
    background: var(--primary);
    color: white;
    cursor: pointer;
    font-weight: 700;
    padding: 11px 16px;
}

button:hover {
    background: var(--primary-dark);
}

button.secondary,
#clearTokenBtn {
    background: #e8eefc;
    color: var(--primary-dark);
}

button.secondary:hover,
#clearTokenBtn:hover {
    background: #dbe7ff;
}

button:disabled {
    cursor: not-allowed;
    opacity: .65;
}

.code-block {
    min-height: 116px;
    overflow: auto;
    border-radius: 12px;
    background: var(--code-bg);
    color: var(--code-text);
    padding: 16px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 13px;
    line-height: 1.55;
    white-space: pre-wrap;
    word-break: break-word;
}

.response-block {
    min-height: 420px;
}

.response-meta {
    margin-bottom: 12px;
    color: var(--muted);
    font-size: 14px;
}

.response-meta.ok {
    color: var(--success);
}

.response-meta.error {
    color: var(--danger);
}

@media (max-width: 960px) {
    .hero,
    .grid,
    .row {
        grid-template-columns: 1fr;
        flex-direction: column;
    }
}