:root {
    --color-background: #0d1117;
    --color-surface: #161b22;
    --color-surface-alt: #1c222b;
    --color-border: #30363d;
    --color-text: #f0f3f6;
    --color-text-muted: #a8b3c2;
    --color-accent: #9bd5ff;
    --color-button: #68788c;
    --color-button-hover: #7b8da3;
    --color-danger: #e28a92;
    --radius: 14px;
    --shadow: 0 16px 40px rgba(0, 0, 0, .25);
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin: 0; min-height: 100vh; font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--color-background); color: var(--color-text); line-height: 1.5; }
img { display: block; max-width: 100%; }
a { color: var(--color-accent); }
button, input { font: inherit; }
button { cursor: pointer; border: 1px solid transparent; border-radius: 9px; padding: .7rem 1rem; background: var(--color-button); color: var(--color-text); font-weight: 650; transition: background 150ms ease, border-color 150ms ease; }
button:hover { background: var(--color-button-hover); }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
input { width: 100%; padding: .82rem .95rem; border: 1px solid var(--color-border); border-radius: 9px; background: var(--color-background); color: var(--color-text); }
input::placeholder { color: var(--color-text-muted); opacity: .75; }

.page-shell { width: min(1120px, 100%); margin: 0 auto; padding: 1rem; }
.topbar { padding: .6rem 0 0; display: flex; flex-direction: column; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .8rem; }
.brand-mark { width: 2.55rem; height: 2.55rem; display: grid; place-items: center; border: 1px solid #506171; border-radius: 11px; background: var(--color-surface-alt); color: var(--color-accent); font-weight: 800; letter-spacing: .03em; }
.brand-logo { width: 100%; height: 100%; border-radius: 10px; object-fit: cover; }
.brand h1 { margin: 0; font-size: 1.2rem; }
.brand p { margin: .1rem 0 0; color: var(--color-text-muted); font-size: .9rem; }
.nav { display: flex; flex-wrap: wrap; gap: .45rem; }
.nav-link { display: inline-flex; align-items: center; gap: .45rem; padding: .58rem .75rem; border: 1px solid transparent; border-radius: 9px; color: var(--color-text-muted); text-decoration: none; }
.nav-link:hover { background: var(--color-surface); color: var(--color-text); }
.nav-link.active { border-color: var(--color-border); background: var(--color-surface-alt); color: var(--color-accent); }
.count-pill { min-width: 1.4rem; padding: 0 .38rem; border-radius: 999px; background: #293848; text-align: center; color: var(--color-accent); font-size: .78rem; font-weight: 700; }
.account-menu { display: flex; align-items: center; justify-content: space-between; gap: .7rem; color: var(--color-text-muted); font-size: .9rem; }
.account-menu form { margin: 0; }
.button-quiet { background: transparent; border-color: var(--color-border); padding: .5rem .72rem; }
.button-link { display: inline-flex; align-items: center; min-height: 2.25rem; padding: .45rem .7rem; border: 1px solid var(--color-border); border-radius: 9px; color: var(--color-text); text-decoration: none; }
.button-link:hover { background: var(--color-surface-alt); color: var(--color-accent); }
.user-menu { position: relative; }
.user-menu summary { padding: .5rem .7rem; border: 1px solid var(--color-border); border-radius: 9px; color: var(--color-text-muted); cursor: pointer; list-style: none; }
.user-menu summary::-webkit-details-marker { display: none; }
.user-menu summary::after { content: " ▾"; color: var(--color-accent); }
.user-menu[open] summary { color: var(--color-text); }
.user-menu-panel { position: absolute; z-index: 10; top: calc(100% + .4rem); right: 0; display: grid; min-width: 170px; padding: .4rem; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface-alt); box-shadow: var(--shadow); }
.user-menu-panel a, .user-menu-panel button { width: 100%; padding: .58rem .65rem; border: 0; border-radius: 7px; background: transparent; color: var(--color-text); text-align: left; text-decoration: none; }
.user-menu-panel a:hover, .user-menu-panel button:hover { background: var(--color-button); }
.user-menu-panel form { margin: 0; }

.content { display: grid; gap: 1rem; margin-top: 1.5rem; }
.composer-card, .list-section, .auth-card, .admin-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; }
.section-heading { margin-bottom: 1rem; }
.section-heading h2, .auth-card h2 { margin: 0 0 .2rem; font-size: 1.08rem; }
.queue-heading h2 { margin-bottom: 0; font-size: 1.6rem; line-height: 1.15; font-weight: 750; overflow-wrap: anywhere; }
.section-heading p { margin: 0; color: var(--color-text-muted); font-size: .92rem; }
.save-form label, .auth-form label { display: block; margin-bottom: .42rem; font-weight: 650; }
.input-row { display: flex; flex-direction: column; gap: .65rem; }
.error-list { margin: .9rem 0; padding: .8rem .9rem; border: 1px solid #75454a; border-radius: 9px; background: #2b1b1e; color: var(--color-danger); }
.empty-state { padding: 1.6rem; text-align: center; color: var(--color-text-muted); background: var(--color-surface-alt); border: 1px dashed var(--color-border); border-radius: 11px; }
.card-list { display: grid; gap: .8rem; }
.item-card { display: grid; gap: .65rem; min-width: 0; padding: .85rem; background: var(--color-surface-alt); border: 1px solid var(--color-border); border-radius: 12px; transition: border-color 150ms ease, box-shadow 150ms ease, background 150ms ease; }
.item-card.is-selected { border-color: #63839a; background: #202a34; box-shadow: 0 0 0 2px rgba(155, 213, 255, .16); }
.item-card:focus { outline: none; }
.item-card:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.card-media { display: flex; align-items: center; gap: .5rem; min-width: 0; }
.favicon { width: 24px; height: 24px; border-radius: 5px; object-fit: cover; }
.thumbnail { width: 100%; max-height: 120px; object-fit: cover; border: 1px solid var(--color-border); border-radius: 9px; }
.thumbnail-link { display: block; width: 100%; min-width: 0; border-radius: 9px; }
.thumbnail-link:hover .thumbnail { border-color: #63839a; }
.card-body { min-width: 0; }
.card-title { color: var(--color-text); font-weight: 750; text-decoration: none; }
.card-title:hover { color: var(--color-accent); }
.card-site, .card-meta { overflow-wrap: anywhere; color: var(--color-text-muted); font-size: .86rem; }
.card-actions { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .4rem; }
.card-actions form { display: inline-flex; }
.card-actions button, .action-button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.2rem; max-width: 100%; padding: .5rem .72rem; border: 1px solid transparent; border-radius: 9px; background: var(--color-button); color: var(--color-text); font-weight: 650; line-height: 1.2; text-decoration: none; white-space: normal; }
.action-button:hover { background: var(--color-button-hover); color: var(--color-text); }

.auth-page { display: grid; place-items: center; padding: 1rem; background: var(--color-background); }
.auth-card { width: min(420px, 100%); margin: auto; padding: 1.5rem; }
.auth-brand { padding-bottom: 1.2rem; margin-bottom: 1.2rem; border-bottom: 1px solid var(--color-border); }
.auth-form { display: grid; width: 100%; gap: .55rem; }
.auth-form input { margin-bottom: .55rem; }
.auth-form button { width: 100%; margin-top: .5rem; }

.admin-layout { display: grid; gap: 1rem; margin-top: 1rem; }
.admin-form { display: grid; gap: .5rem; }
.admin-form label:not(.checkbox-row) { margin-top: .25rem; font-weight: 650; }
.admin-form button { margin-top: .7rem; }
.checkbox-row { display: inline-flex; align-items: center; gap: .6rem; width: fit-content; margin-top: .55rem; color: var(--color-text); cursor: pointer; }
.checkbox-row input { width: 1.05rem; height: 1.05rem; margin: 0; accent-color: var(--color-accent); }
.success-message { margin: .9rem 0; padding: .8rem .9rem; border: 1px solid #365f58; border-radius: 9px; background: #142724; color: #a9e5d8; }
.success-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .45rem; }
.save-page-card { width: min(760px, 100%); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: .75rem; border-bottom: 1px solid var(--color-border); vertical-align: top; }
th { color: var(--color-text-muted); font-size: .8rem; letter-spacing: .04em; text-transform: uppercase; }
td { font-size: .9rem; }
.table-secondary { display: block; margin-top: .1rem; color: var(--color-text-muted); }

.bookmarklet-card { max-width: 720px; }
.bookmarklet-card h3 { margin: 1.4rem 0 .4rem; }
.bookmarklet-card li + li { margin-top: .35rem; }
.bookmarklet-button { display: inline-flex; margin: .5rem 0; padding: .75rem 1rem; border: 1px solid #63839a; border-radius: 9px; background: var(--color-button); color: var(--color-text); font-weight: 750; text-decoration: none; cursor: grab; }
.bookmarklet-button:hover { background: var(--color-button-hover); color: var(--color-text); }
.capture-page { display: grid; place-items: center; padding: 1rem; }
.capture-card { width: min(440px, 100%); padding: 1.25rem; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface); box-shadow: var(--shadow); }
.capture-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; }
.capture-actions form { margin: 0; }
.shortcut-card { margin-top: .25rem; }
.shortcut-warning { margin: 1rem 0; padding: .8rem .9rem; border: 1px solid #866a36; border-left: 3px solid #e6b85c; border-radius: 8px; background: #2a2418; color: #f2d89d; }
.shortcut-layout code { color: var(--color-text-muted); overflow-wrap: anywhere; }
.shortcut-variable { display: inline-flex; margin: .15rem .2rem; padding: .18rem .45rem; border: 1px solid #56a9df; border-radius: 999px; background: #174b6c; color: #c4ebff; font-size: .88rem; font-weight: 700; }
.shortcut-layout { display: grid; gap: .5rem; margin-bottom: 1rem; }
.shortcut-layout > div { padding: .65rem .75rem; border-left: 3px solid var(--color-border); background: var(--color-surface-alt); overflow-wrap: anywhere; }
.token-panel { margin-bottom: 1.25rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface-alt); }
.token-panel h3 { margin-top: 0; }
.token-panel label { display: block; margin: .8rem 0 .4rem; font-weight: 650; }
.token-field { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .85rem; }
.token-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1rem; }
.token-actions form { margin: 0; }
.danger-button { background: transparent; border-color: #75454a; color: var(--color-danger); }
.danger-button:hover { background: #3a2024; }
.token-status { margin-bottom: 0; color: var(--color-text-muted); font-size: .9rem; }
.notice { margin: 1rem 0; padding: .8rem .9rem; border-left: 3px solid var(--color-accent); border-radius: 7px; background: var(--color-surface-alt); color: var(--color-text-muted); }
.notice strong { color: var(--color-text); }
.done-button { display: flex; align-items: center; justify-content: center; width: 100%; min-height: 3.25rem; margin-top: 1rem; border-radius: 10px; background: var(--color-button); color: var(--color-text); font-size: 1.05rem; font-weight: 750; text-decoration: none; }
.done-button:hover { background: var(--color-button-hover); color: var(--color-text); }

@media (min-width: 760px) {
    .page-shell { padding: 1.5rem; }
    .topbar { flex-direction: row; align-items: center; }
    .nav { margin-left: auto; }
    .account-menu { padding-left: 1rem; border-left: 1px solid var(--color-border); }
    .user-menu { margin-left: .5rem; }
    .input-row { flex-direction: row; }
    .input-row button { min-width: 8rem; }
    .queue-heading h2 { font-size: 2.1rem; }
    .item-card { grid-template-columns: minmax(120px, 1fr) 3fr; }
    .card-media { flex-direction: column; align-items: flex-start; }
    .admin-layout { grid-template-columns: minmax(280px, .8fr) minmax(0, 1.4fr); align-items: start; }
}