/* Match the Pi's colors and controls; use Flexbox for page composition. */
:root {
    color-scheme: dark;
    --page-bg: #141a20;
    --surface: #1c252e;
    --surface-raised: #24303b;
    --text: #edf3f8;
    --muted: #abbac7;
    --border: #405363;
    --input-border: #607789;
    --accent: #9ad5ff;
    --button-bg: #293a48;
    --button-hover: #354d60;
    --selected-bg: #214e70;
    --danger-text: #ffb4b4;
    --radius: 10px;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--page-bg); color: var(--text); font: 16px/1.5 system-ui, sans-serif; }
h1 { font-size: 25px; line-height: 1.25; margin: 0 0 24px; }
p { margin: 0; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 650; }
.brand-mark { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: var(--radius); background: var(--selected-bg); color: var(--accent); }
.login-page { display: flex; flex-direction: column; gap: 28px; width: min(100%, 448px); margin: 10vh auto 0; padding: 24px; }
.card { padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.login-card form { display: flex; flex-direction: column; gap: 18px; }
label { display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
input, button { min-height: 44px; font: inherit; border-radius: 8px; }
input { width: 100%; padding: 10px 12px; color: var(--text); background: var(--page-bg); border: 1px solid var(--input-border); }
button { padding: 10px 20px; cursor: pointer; color: var(--text); background: var(--selected-bg); border: 1px solid var(--accent); font-weight: 600; }
button:hover { background: var(--button-hover); }
button.secondary { background: var(--button-bg); border-color: var(--border); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.error { color: var(--danger-text); font-size: 14px; }
.error:empty { display: none; }
.muted, footer { color: var(--muted); overflow-wrap: anywhere; }
.dashboard { max-width: 1120px; padding: 24px; margin: 0 auto; }
.page-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.welcome { min-height: 240px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.welcome h1 { font-size: 36px; margin-bottom: 12px; }
.eyebrow { color: var(--accent); margin-bottom: 12px; font-size: 14px; }
footer { margin-top: 20px; font-size: 12px; }
.notice h1 { margin-bottom: 12px; }
/* Public placeholder and staff PIN gateway share the centered page layout. */
[hidden] { display: none !important; }
a { color: var(--accent); }
.center-page { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; justify-content: center; padding: 24px 16px; }
.access-card { width: 100%; max-width: 380px; text-align: center; }
.access-card h1 { margin-bottom: 12px; }
.access-card form { display: flex; flex-direction: column; gap: 16px; margin-top: 16px; }
.pin-display { display: block; font-size: 30px; letter-spacing: 6px; color: var(--accent); }
.keypad { display: flex; flex-wrap: wrap; gap: 8px; }
.keypad button { flex: 0 0 calc((100% - 16px) / 3); min-height: 48px; padding: 8px; touch-action: manipulation; }
.cf-turnstile { align-self: center; }
button:disabled { opacity: .5; cursor: default; }
.staff-link { display: block; width: fit-content; margin: 18px auto 0; font-size: 14px; }
.staff-pages { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.button-link { display: block; padding: 12px 16px; border: 1px solid var(--accent); border-radius: 8px; background: var(--selected-bg); text-decoration: none; }
.button-link.secondary { background: var(--button-bg); border-color: var(--border); }
@media (max-width: 480px) { .card { padding: 22px; } .dashboard { padding: 16px; } }