/* Tower Verifier — distinctive monolithic obsidian aesthetic. */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg: #0a0a0d;
    --bg-card: #14141a;
    --bg-card-edge: #1f1f28;
    --fg: #e8e6df;
    --fg-dim: #888888;
    --gold: #d4af37;
    --gold-bright: #f0c849;
    --green: #3cd982;
    --amber: #d4af37;
    --red: #ff5555;
    --serif: 'Cormorant Garamond', Georgia, serif;
    --mono: 'JetBrains Mono', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--mono);
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
}

body {
    background: radial-gradient(ellipse at top, #1a1a22 0%, var(--bg) 60%);
    background-attachment: fixed;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

header { text-align: center; margin-bottom: 2rem; }
h1 {
    font-family: var(--serif);
    font-size: 2.5rem;
    color: var(--gold);
    margin: 0 0 0.5rem;
    letter-spacing: 0.02em;
}
h2, h3, h4 { font-family: var(--serif); color: var(--gold); margin: 1.5rem 0 0.5rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; color: var(--gold-bright); letter-spacing: 0.05em; }

p { margin: 0.5rem 0; }
a { color: var(--gold); text-decoration: underline; }
a:hover { color: var(--gold-bright); }
code { font-family: var(--mono); background: var(--bg-card-edge); padding: 1px 6px; border-radius: 3px; font-size: 0.9em; }
pre { background: var(--bg-card-edge); padding: 1rem; border-radius: 4px; overflow-x: auto; white-space: pre-wrap; word-break: break-word; font-size: 0.85rem; }

.subtle { color: var(--fg-dim); }
.small { font-size: 0.85rem; }

.drop {
    margin: 2rem 0;
    padding: 3rem 1.5rem;
    border: 2px dashed var(--bg-card-edge);
    border-radius: 6px;
    background: var(--bg-card);
    text-align: center;
    cursor: pointer;
    transition: all 0.18s ease;
}
.drop:hover, .drop.dragover {
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.04);
}
.drop p { margin: 0.25rem 0; }

.result-card {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--bg-card-edge);
    border-radius: 6px;
}

.traffic-light {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.dot {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--fg-dim);
    transition: background 0.25s, box-shadow 0.25s;
}
.label {
    font-family: var(--serif);
    font-size: 1.3rem;
    letter-spacing: 0.1em;
    color: var(--fg-dim);
}

.summary { font-size: 1rem; margin-top: 0.5rem; }

.steps { margin-top: 1.5rem; }
.step {
    display: grid;
    grid-template-columns: 24px 140px 1fr;
    gap: 0.5rem;
    align-items: start;
    padding: 0.35rem 0;
    border-top: 1px solid var(--bg-card-edge);
    font-size: 0.85rem;
}
.step:first-of-type { border-top: none; }
.step-icon { font-weight: bold; font-size: 1rem; line-height: 1.4; }
.step-name { color: var(--fg-dim); font-family: var(--mono); }
.step-detail { color: var(--fg); word-break: break-word; }

.entry-text { margin-top: 1.5rem; }

.explainer { margin: 3rem 0 2rem; padding: 1.5rem; background: var(--bg-card); border: 1px solid var(--bg-card-edge); border-radius: 6px; }
.explainer ol { padding-left: 1.5rem; }
.explainer li { margin: 0.4rem 0; }

footer { margin-top: 3rem; text-align: center; }

@media (max-width: 540px) {
    h1 { font-size: 1.8rem; }
    .step { grid-template-columns: 20px 1fr; }
    .step-name { grid-column: 2; }
    .step-detail { grid-column: 2; }
}