:root {
    --brand-green: #8dc042;
    --brand-green-dark: #6da22c;
    --brand-ink: #1d1537;
    --bg: #f4f6f1;
    --surface: #ffffff;
    --surface-alt: #f7f9f4;
    --text: #23203a;
    --text-muted: #6b6880;
    --border: #e4e7de;
    --danger: #c0392b;
    --danger-bg: #fdf1ef;
    --danger-border: #f3cdc7;
    --shadow: 0 20px 45px -18px rgba(29, 21, 55, 0.25);
    --radius: 18px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #17132a;
        --surface: #211b3a;
        --surface-alt: #2a2347;
        --text: #f1efF7;
        --text-muted: #a5a0bd;
        --border: #37305a;
        --danger: #ff8a75;
        --danger-bg: #3a2330;
        --danger-border: #5c3542;
        --shadow: 0 20px 45px -18px rgba(0, 0, 0, 0.6);
    }
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    background-image: radial-gradient(circle at 15% 10%, rgba(141, 192, 66, 0.14), transparent 45%),
                      radial-gradient(circle at 85% 90%, rgba(29, 21, 55, 0.10), transparent 50%);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Header ---------- */

.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.site-header__inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.site-header__logo {
    display: block;
    height: 48px;
    width: auto;
}

@media (prefers-color-scheme: dark) {
    .site-header__logo {
        background: #ffffff;
        border-radius: 10px;
        padding: 4px 10px;
    }
}

.site-header__tag {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
}

@media (max-width: 560px) {
    .site-header__tag {
        display: none;
    }
}

/* ---------- Main card ---------- */

.page-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 20px 64px;
}

.card {
    width: 100%;
    max-width: 520px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 44px 40px 40px;
    text-align: center;
}

@media (max-width: 560px) {
    .card {
        padding: 34px 22px 30px;
    }
}

.lock-badge {
    width: 76px;
    height: 76px;
    margin: 0 auto 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-green), var(--brand-green-dark));
    box-shadow: 0 10px 24px -8px rgba(109, 162, 44, 0.55);
    color: #ffffff;
}

.lock-badge--danger {
    background: linear-gradient(135deg, #e07b6a, var(--danger));
    box-shadow: 0 10px 24px -8px rgba(192, 57, 43, 0.5);
}

.lock-badge svg {
    width: 36px;
    height: 36px;
}

.card h1 {
    margin: 0 0 6px;
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text);
}

.card__sub {
    margin: 0 auto 28px;
    max-width: 40ch;
    font-size: 0.92rem;
    color: var(--text-muted);
}

.expiry-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 26px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(141, 192, 66, 0.14);
    border: 1px solid rgba(141, 192, 66, 0.35);
    color: var(--brand-green-dark);
    font-size: 0.8rem;
    font-weight: 600;
}

@media (prefers-color-scheme: dark) {
    .expiry-pill {
        color: var(--brand-green);
    }
}

.expiry-pill svg {
    width: 14px;
    height: 14px;
    flex: none;
}

/* ---------- Password reveal ---------- */

.reveal__for {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0 0 4px;
}

.reveal__title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 18px;
    overflow-wrap: anywhere;
}

.password-box {
    display: flex;
    align-items: stretch;
    gap: 10px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 10px 10px 18px;
}

.password-box__value {
    flex: 1;
    align-self: center;
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    overflow-wrap: anywhere;
    user-select: all;
}

.copy-btn {
    flex: none;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 16px;
    border: none;
    border-radius: 9px;
    background: var(--brand-ink);
    color: #ffffff;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
}

.copy-btn:hover {
    background: #2e2356;
}

.copy-btn:active {
    transform: scale(0.97);
}

.copy-btn.copied {
    background: var(--brand-green-dark);
}

.copy-btn svg {
    width: 15px;
    height: 15px;
}

@media (prefers-color-scheme: dark) {
    .copy-btn {
        background: var(--brand-green-dark);
    }

    .copy-btn:hover {
        background: var(--brand-green);
    }
}

/* ---------- States ---------- */

.state-expired {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    border-radius: 12px;
    padding: 18px 20px;
    color: var(--danger);
}

.state-expired h2 {
    margin: 0 0 4px;
    font-size: 1.05rem;
    font-weight: 700;
}

.state-expired p {
    margin: 0;
    font-size: 0.88rem;
}

.state-empty {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* ---------- Footer ---------- */

.site-footer {
    background: var(--brand-ink);
    color: #cfcadf;
}

.site-footer__inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 40px 24px 34px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: center;
    text-align: center;
}

@media (max-width: 760px) {
    .site-footer__inner {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

.site-footer h3 {
    margin: 0 0 10px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--brand-green);
}

.site-footer p {
    margin: 3px 0;
    font-size: 0.92rem;
}

.site-footer a {
    color: #ffffff;
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--brand-green);
}

.footer-badge img {
    max-width: 180px;
    height: auto;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-top: 14px;
}

.footer-social a {
    color: var(--brand-green);
    display: inline-flex;
    transition: color 0.2s ease, transform 0.15s ease;
}

.footer-social a:hover {
    color: #ffffff;
    transform: translateY(-2px);
}

.footer-social svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.site-footer__legal {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 14px 24px;
    text-align: center;
    font-size: 0.78rem;
    color: #8f88ab;
}