:root {
    --bg: #10131a;
    --card: #181c26;
    --line: #262c3a;
    --fg: #e6e9ef;
    --muted: #8b93a7;
    --accent: #4ade80;
    --petrol: #fbbf24;
    --danger: #f87171;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
    max-width: 780px;
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
}

h1 {
    margin: 0;
    font-size: 1.9rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin: 1.75rem 0 0.75rem;
}

h3 {
    margin: 0 0 0.5rem;
    font-size: 0.95rem;
}

.sub {
    color: var(--muted);
    margin: 0.35rem 0 0;
}

form {
    margin-top: 1rem;
}

label {
    display: block;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
    color: var(--muted);
}

input,
select {
    display: block;
    width: 100%;
    margin-top: 0.3rem;
    padding: 0.55rem 0.7rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--fg);
    font-size: 0.95rem;
}

input:focus,
select:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1rem;
}

button.primary {
    margin-top: 1rem;
    padding: 0.7rem 1.4rem;
    background: var(--accent);
    color: #06210f;
    border: 0;
    border-radius: 8px;
    font-weight: 650;
    font-size: 0.95rem;
    cursor: pointer;
}

#locate {
    background: none;
    border: 0;
    color: var(--accent);
    cursor: pointer;
    padding: 0;
    font: inherit;
    text-decoration: underline;
}

.hint {
    color: var(--muted);
    font-size: 0.8rem;
}

.htmx-indicator {
    opacity: 0;
    margin-left: 0.75rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
    opacity: 1;
}

.card {
    margin-top: 2rem;
    padding: 1.25rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
}

.card.error {
    border-color: var(--danger);
}

.card.error h2 {
    color: var(--danger);
    margin-top: 0;
}

.location {
    color: var(--muted);
    font-size: 0.8rem;
    margin: 0 0 0.75rem;
}

.verdict {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.verdict-electric {
    color: var(--accent);
}

.verdict-petrol {
    color: var(--petrol);
}

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

.option {
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 10px;
}

.option.winner {
    border-color: var(--accent);
}

.big {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0.25rem 0;
}

.big span {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--muted);
}

.price {
    margin: 0;
    font-size: 0.9rem;
}

.src {
    margin: 0.4rem 0 0;
    font-size: 0.75rem;
    color: var(--muted);
}

.detail {
    margin: 0.25rem 0 0;
    font-size: 0.72rem;
    color: var(--muted);
}

.warning {
    margin: 1rem 0 0;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--danger);
    border-radius: 8px;
    color: var(--danger);
    font-size: 0.8rem;
}

table {
    width: 100%;
    margin-top: 1.25rem;
    border-collapse: collapse;
    font-size: 0.82rem;
}

td,
th {
    padding: 0.5rem 0.4rem;
    border-top: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-weight: 500;
    white-space: nowrap;
}

@media (max-width: 560px) {

    .row,
    .grid {
        grid-template-columns: 1fr;
    }
}