:root {
    --bg: #0b0f17;
    --card: #121a2a;
    --muted: #93a4c7;
    --text: #e8efff;
    --border: rgba(255, 255, 255, 0.08);
    --accent: #6ea8fe;
    --accent2: #7ee787;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
    background: radial-gradient(1200px 700px at 10% 0%, #13203a 0%, var(--bg) 55%);
    color: var(--text);
}

.container {
    width: min(1100px, calc(100% - 32px));
    margin: 0 auto;
    padding: 20px 0;
}

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

@media (min-width: 920px) {
    .grid {
        grid-template-columns: 1.05fr 0.95fr;
    }
}

.card {
    background: color-mix(in srgb, var(--card) 96%, black 4%);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    min-height: 65vh;
}

h1 {
    margin: 0 0 8px;
    font-size: 28px;
}

h2 {
    margin: 0 0 12px;
    font-size: 18px;
}

.muted {
    color: var(--muted);
}

.small {
    font-size: 13px;
}

.row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.wrap {
    flex-wrap: wrap;
}

.pill {
    font-size: 12px;
    border: 1px solid var(--border);
    padding: 5px 10px;
    border-radius: 999px;
    color: var(--muted);
}

.label {
    display: block;
    margin: 10px 0 6px;
    font-size: 12px;
    color: var(--muted);
}

.input,
.textarea,
select {
    width: 100%;
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 12px;
    outline: none;
}

.textarea {
    height: 22vh;
    max-height: 22vh;
    resize: none;
    overflow-y: auto;
    overflow-x: hidden;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    line-height: 1.35;
}

.two-col {
    display: grid;
    gap: 10px;
    grid-template-columns: 1fr;
}

@media (min-width: 700px) {
    .grid {
        align-items: stretch;
    }

    .two-col {
        grid-template-columns: 1fr 1fr;
    }
}

.btn {
    border: 1px solid var(--border);
    background: rgba(110, 168, 254, 0.16);
    color: var(--text);
    padding: 9px 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.05s ease, background 0.15s ease;
}

.btn:hover {
    background: rgba(110, 168, 254, 0.26);
}

.btn:active {
    transform: translateY(1px);
}

.btn.secondary {
    background: rgba(126, 231, 135, 0.12);
}

.btn.secondary:hover {
    background: rgba(126, 231, 135, 0.20);
}

.output {
    margin: 0;
    padding: 12px;
    height: 55vh;
    max-height: 55vh;
    overflow-y: auto;
    overflow-x: hidden;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.25);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 13px;
    line-height: 1.4;
}

.help summary {
    cursor: pointer;
    color: var(--accent);
    margin-top: 10px;
}

.help p {
    margin: 10px 0 0;
    color: var(--muted);
}

.gap-top {
    margin-top: 10px;
}

.textarea-sm {
    height: 14vh;
    max-height: 14vh;
}

code {
    color: var(--accent);
}