*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #000000;
    --bg-1: #0A0A0A;
    --bg-2: #121212;
    --fg: #D6CFE8;
    --fg-dim: #8A81A5;
    --fg-faint: #4A4360;
    --amber: #A855F7;
    --yellow: #C084FC;
    --red: #D9615F;
    --green: #7FB86A;
    --border: #2E2840;
    --border-bright: #4A4360;

    /* Dark "paper": same editorial/brutalist vocabulary as the landing
       page (serif body, mono labels, hairline rules, zero radius), just
       with the page's tone inverted - true black ground, pale type,
       instead of the landing's cream paper. --paper-1 stays a hair above
       pure black only so bordered rows/panels read as distinct surfaces;
       everything else is #000. */
    --paper: #000000;
    --paper-1: #0D0D0D;
    --paper-ink: #F2F2F2;
    --paper-ink-dim: #9A9A9A;
    --paper-ink-faint: #666666;
    --paper-rule: #2B2B2B;
    --paper-accent: #B47CFF;

    --font-mono: 'IBM Plex Mono', monospace;
    --font-serif: 'Source Serif 4', Georgia, serif;
}

html { height: 100%; }
body {
    height: 100%;
    background: var(--paper);
    color: var(--paper-ink);
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 1.5;
    overflow: hidden;
}

a { color: var(--paper-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--paper-accent); outline-offset: 2px; }
::selection { background: var(--paper-accent); color: var(--paper); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--paper-rule); border: 2px solid var(--paper); }
::-webkit-scrollbar-thumb:hover { background: var(--paper-accent); }

button, input, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background: none;
    border: none;
    text-align: inherit;
}

.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- shared primitives ---------- */

.label-mono {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    color: var(--paper-ink-faint);
}
.label-mono::before { content: '§ '; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 11px 22px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid transparent;
    background: none;
}
.btn::before { content: '>'; }
.btn-filled { background: var(--paper-accent); border-color: var(--paper-accent); color: #fff; }
.btn-filled:hover { background: #6B21D8; border-color: #6B21D8; text-decoration: none; }
.btn-outlined { border: 2px solid var(--paper-rule); color: var(--paper-ink-dim); }
.btn-outlined:hover { border-color: var(--paper-accent); color: var(--paper-accent); text-decoration: none; }
.btn-dark { background: var(--amber); border-color: var(--amber); color: var(--bg); }
.btn-dark:hover { background: var(--yellow); border-color: var(--yellow); text-decoration: none; }

.field { text-align: left; }
.field label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--paper-ink-faint);
    margin-bottom: 6px;
}
.field input {
    width: 100%;
    background: var(--paper);
    border: 2px solid var(--paper-rule);
    padding: 11px 13px;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--paper-ink);
}
.field input:focus { outline: none; border-color: var(--paper-accent); }
.field input::placeholder { color: var(--paper-ink-faint); }