.prime-page {
    --prime-bg: #0d141d;
    --prime-surface: #151f2c;
    --prime-input: #0e1722;
    --prime-line: #53657a;
    --prime-text: #f2f6fb;
    --prime-muted: #a8b9cc;
    --prime-accent: #69c8f5;
    --prime-accent-hover: #91d9fa;
    --prime-ink: #082032;
    --prime-error: #ffb8b6;
    --prime-success: #8fe4bc;
    margin: 0;
    background: var(--prime-bg);
    color: var(--prime-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color-scheme: dark;
    -webkit-font-smoothing: antialiased;
}

.prime-page *, .prime-page *::before, .prime-page *::after { box-sizing: border-box; }
.prime-page [hidden] { display: none !important; }
.prime-page ::selection { background: var(--prime-accent); color: var(--prime-ink); }
.prime-page a, .prime-page button, .prime-page input { -webkit-tap-highlight-color: transparent; }
.prime-page :focus-visible { outline: 3px solid var(--prime-accent); outline-offset: 5px; }
.prime-page a { color: inherit; text-underline-offset: 4px; }
.prime-shell { min-height: 100svh; max-width: 1200px; margin-inline: auto; padding: 24px 40px; display: flex; flex-direction: column; }
.prime-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.prime-brand { display: inline-flex; flex-shrink: 0; }
.prime-brand img { display: block; object-fit: contain; }
.prime-back { display: inline-flex; gap: 6px; align-items: center; min-height: 44px; color: var(--prime-muted) !important; font-size: 14px; text-decoration: none; transition: color 140ms ease-out; }
.prime-back:hover { color: var(--prime-text) !important; }
.prime-main { width: min(100%, 496px); margin: auto; padding-block: 36px 48px; }
.prime-intro { margin-bottom: 28px; }
.prime-platform { display: block; width: 72px; height: 72px; object-fit: contain; margin: -4px 0 12px -8px; }
.prime-intro h1 { margin: 0 0 16px; font-size: clamp(29px, 3.4vw, 38px); line-height: 1.16; letter-spacing: -.03em; font-weight: 650; text-wrap: balance; }
.prime-intro h1 span { color: var(--prime-accent); }
.prime-intro > p { margin: 0; max-width: 46ch; color: var(--prime-muted); }
.prime-panel { padding: 30px; border-radius: 16px; background: var(--prime-surface); }
#prime-form label { display: block; margin-bottom: 10px; font-size: 15px; font-weight: 600; }
.prime-input-wrap { position: relative; }
.prime-input-wrap > svg { position: absolute; top: 17px; left: 16px; color: var(--prime-muted); pointer-events: none; }
#prime-email { width: 100%; min-height: 54px; padding: 13px 16px 13px 46px; border: 1px solid var(--prime-line); border-radius: 8px; background: var(--prime-input); color: var(--prime-text); font: inherit; caret-color: var(--prime-accent); transition: border-color 140ms ease-out; }
#prime-email::placeholder { color: var(--prime-muted); opacity: 1; }
#prime-email:focus { border-color: var(--prime-accent); }
#prime-email[aria-invalid="true"] { border-color: var(--prime-error); }
.prime-hint, .prime-field-error { font-size: 13px; margin: 10px 0 0; line-height: 1.5; }
.prime-hint { color: var(--prime-muted); }
.prime-field-error { color: var(--prime-error); }
.prime-submit { width: 100%; min-height: 52px; display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 24px; padding: 12px 20px; border: 0; border-radius: 8px; background: var(--prime-accent); color: var(--prime-ink); font: inherit; font-weight: 650; cursor: pointer; transition: background 140ms ease-out; }
.prime-submit:hover { background: var(--prime-accent-hover); }
.prime-submit:active { background: var(--prime-accent); }
.prime-submit:disabled { cursor: wait; background: #a1bed0; color: var(--prime-ink); }
.prime-spinner { width: 18px; height: 18px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: prime-spin 700ms linear infinite; }
.prime-result { border-top: 1px solid var(--prime-line); margin-top: 28px; padding-top: 24px; overflow-wrap: anywhere; }
.prime-result h2 { margin: 0 0 8px; font-size: 19px; line-height: 1.35; letter-spacing: -.015em; }
.prime-result p { margin: 0; color: var(--prime-muted); font-size: 14px; line-height: 1.6; }
.prime-result-heading { display: flex; align-items: baseline; gap: 9px; }
.prime-status-dot { width: 8px; height: 8px; flex: 0 0 8px; border-radius: 50%; background: var(--prime-success); }
.prime-code-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 18px 0 12px; }
#prime-code { color: var(--prime-text); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: clamp(28px, 7vw, 36px); line-height: 1.2; letter-spacing: .12em; font-variant-numeric: tabular-nums; user-select: all; }
.prime-copy { padding: 10px 12px; min-height: 44px; border: 1px solid var(--prime-line); border-radius: 8px; background: transparent; color: var(--prime-accent); font: inherit; font-size: 13px; font-weight: 600; white-space: nowrap; cursor: pointer; }
.prime-copy:hover { background: var(--prime-input); }
.prime-copy:disabled { cursor: default; color: var(--prime-muted); }
.prime-expiry { font-variant-numeric: tabular-nums; }
.prime-how { border-top: 1px solid #354354; margin-top: 28px; padding-top: 22px; }
.prime-how h2 { margin: 0 0 12px; font-size: 14px; font-weight: 600; }
.prime-how ol { margin: 0; padding-left: 18px; color: var(--prime-muted); font-size: 13px; }
.prime-how li { padding-left: 4px; margin-top: 8px; }
.prime-footnote { margin: 18px 16px 0; color: var(--prime-muted); text-align: center; font-size: 12px; }
.prime-footer { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; border-top: 1px solid #263344; padding-top: 18px; color: var(--prime-muted); font-size: 12px; }
.prime-footer > span { flex-shrink: 0; font-weight: 600; }
.prime-footer p { margin: 0; text-align: right; }

@keyframes prime-spin { to { transform: rotate(360deg); } }
@media (max-width: 600px) {
    .prime-shell { padding: 16px 24px 20px; }
    .prime-brand img { width: 64px; height: 48px; }
    .prime-main { padding-block: 32px 36px; }
    .prime-panel { padding: 24px; }
    .prime-footer { display: block; }
    .prime-footer p { text-align: left; margin-top: 6px; max-width: 48ch; }
}
@media (max-width: 360px) {
    .prime-shell { padding-inline: 16px; }
    .prime-panel { padding: 20px; }
    .prime-code-row { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
    .prime-page *, .prime-page *::before, .prime-page *::after { animation: none !important; transition: none !important; }
}