:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --panel: #ffffff;

    --ink: #0f172a;
    --muted: #64748b;
    --line: #e2e8f0;

    --brand: #0ea5e9;
    --brand2: #0284c7;

    --subtle: #f8fafc;
    /* 表頭、輕底色 */
    --hover: #fbfdff;
    /* row hover */
    --tagbg: #eef6ff;
    --tagline: #dbeafe;

    --shadow: 0 10px 30px rgba(15, 23, 42, .08);
    --radius: 14px;

    --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans TC", "PingFang TC", "Heiti TC", Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

html.dark {
    --bg: #0b1220;
    --card: #0f1b2f;
    --panel: #0f1b2f;

    --ink: #e5e7eb;
    --muted: #9aa6b2;
    --line: #22304a;

    --subtle: #0b1628;
    --hover: #10213a;
    --tagbg: #0b2a3e;
    --tagline: #1f3b5a;

    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: var(--sans);
    color: var(--ink);
    background: var(--bg);
}

@keyframes liftIn {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rowIn {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.995);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

a {
    color: inherit;
    text-decoration: none
}

.wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px
}

/* Topbar */
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: linear-gradient(90deg, #0b4a6f, #0ea5e9);
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
}

html.dark .topbar {
    background: linear-gradient(90deg, #071a2b, #0b4a6f);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.topbar .inner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    letter-spacing: .5px;
}

.brand .logo {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .16);
    display: grid;
    place-items: center;
    box-shadow: 0 8px 18px rgba(0, 0, 0, .12);
    font-family: var(--mono);
    font-weight: 900;
}

.search {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 999px;
    padding: 8px 12px;
    min-width: 220px;
}

.search input {
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    color: #fff;
    font-size: 14px;
}

.search input::placeholder {
    color: rgba(255, 255, 255, .7)
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .24);
    background: rgba(255, 255, 255, .10);
    color: #fff;
    cursor: pointer;
    user-select: none;
    transition: transform .18s ease, background .15s ease;
    white-space: nowrap;
}

.btn:hover {
    background: rgba(255, 255, 255, .18);
    transform: translateY(-1px);
}

.btn.primary {
    background: rgba(255, 255, 255, .92);
    color: #0b4a6f;
    border-color: transparent;
}

.btn.icon {
    padding: 8px 10px
}

/* Layout */
.grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 18px;
    margin: 16px 0 40px;
}

@media (max-width: 980px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

/* Banner */
.banner {
    background: linear-gradient(135deg, rgba(14, 165, 233, .18), rgba(2, 132, 199, .08));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    animation: liftIn .45s ease both;
}

.banner .content {
    padding: 16px;
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.banner h1 {
    margin: 0;
    font-size: 18px;
    letter-spacing: .2px
}

.banner p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 13px
}

.banner .meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap
}

.pill {
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--panel);
    border: 1px solid var(--line);
    color: var(--muted);
}

.kbd {
    font-family: var(--mono);
    padding: 2px 6px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--ink);
    font-size: 12px;
}

/* Panel */
.panel {
    margin-top: 14px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    animation: liftIn .5s ease both;
    animation-delay: .06s;
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 10px;
    background: linear-gradient(180deg, var(--subtle), var(--panel));
    border-bottom: 1px solid var(--line);
}

.tab {
    font-size: 13px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--muted);
    cursor: pointer;
    transition: transform .15s ease, background .15s ease, color .15s ease;
    user-select: none;
}

.tab:hover {
    transform: translateY(-1px);
}

.tab.active {
    background: var(--brand);
    color: #fff;
    border-color: transparent;
}

.filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding: 10px;
    border-bottom: 1px solid var(--line);
    align-items: center;
}

.select,
.input {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--line);
    background: var(--panel);
    border-radius: 12px;
    padding: 8px 10px;
    font-size: 13px;
    color: var(--muted);
}

.filters select,
.filters input {
    border: 0;
    outline: 0;
    background: transparent;
    font-size: 13px;
    color: var(--ink);
    min-width: 140px;
}

.filters input {
    min-width: 220px
}

/* List */
.list-head {
    display: grid;
    grid-template-columns: 86px 1fr;
    gap: 10px;
    padding: 10px 12px;
    font-size: 12px;
    color: var(--muted);
    background: var(--subtle);
    border-bottom: 1px solid var(--line);
}

@media (max-width: 760px) {
    .list-head {
        grid-template-columns: 70px 1fr;
    }

    .list-head .hide-sm {
        display: none
    }
}

.row {
    display: grid;
    grid-template-columns: 86px 1fr;
    gap: 10px;
    padding: 12px;
    border-bottom: 1px solid var(--line);
    align-items: center;
    background: var(--panel);
    transition: transform .16s ease, background .15s ease;
    opacity: 0;
    animation: rowIn .38s ease both;
    animation-delay: calc(var(--row-index, 0) * 40ms + 80ms);
}

.row:hover {
    background: var(--hover);
    transform: translateY(-1px);
}

.row-clickable {
    cursor: pointer;
}

.row-clickable:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: -2px;
}

@media (max-width: 760px) {
    .row {
        grid-template-columns: 70px 1fr;
    }

    .row .hide-sm {
        display: none
    }
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    border: 1px solid var(--line);
    color: var(--muted);
    background: var(--panel);
    font-family: var(--mono);
}

.badge.pin {
    background: rgba(251, 146, 60, .14);
    border-color: rgba(251, 146, 60, .35);
    color: #fb923c
}

.badge.hot {
    background: rgba(59, 130, 246, .14);
    border-color: rgba(59, 130, 246, .35);
    color: #60a5fa
}

.badge.new {
    background: rgba(34, 211, 238, .14);
    border-color: rgba(34, 211, 238, .35);
    color: #22d3ee
}

.title {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.title a {
    font-weight: 700;
    line-height: 1.25;
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sub {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: var(--muted);
    align-items: center;
}

.tag {
    background: var(--tagbg);
    color: var(--brand2);
    border: 1px solid var(--tagline);
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 12px;
}

.subject-tag {
    cursor: pointer;
}

.subject-tag:hover {
    filter: brightness(0.98);
}

.subject-tag:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 1px;
}

.author-tag {
    cursor: pointer;
}

.author-tag:hover {
    text-decoration: underline;
}

.author-tag:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 1px;
    border-radius: 4px;
}

.stat,
.last {
    font-size: 12px;
    color: var(--muted);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat strong {
    color: var(--ink);
    font-family: var(--mono);
    font-size: 13px
}

.last a {
    color: var(--brand2);
    font-weight: 700
}

.last time {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--muted)
}

/* Pager */
.pager {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    padding: 12px;
    justify-content: center;
    background: var(--panel);
}

.page {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: var(--panel);
    cursor: pointer;
    color: var(--muted);
    transition: transform .15s ease, background .15s ease, color .15s ease;
    user-select: none;
}

.page:hover {
    transform: translateY(-1px);
}

.page.active {
    background: var(--brand);
    color: #fff;
    border-color: transparent
}

/* Sidebar */
.side {
    display: flex;
    flex-direction: column;
    gap: 14px
}

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    animation: liftIn .5s ease both;
}

.side .card:nth-child(1) {
    animation-delay: .12s;
}

.side .card:nth-child(2) {
    animation-delay: .18s;
}

.side .card:nth-child(3) {
    animation-delay: .24s;
}

.card .hd {
    padding: 12px 12px 10px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card .hd h3 {
    margin: 0;
    font-size: 14px
}

.card .bd {
    padding: 12px
}

.muted-xs {
    color: var(--muted);
    font-size: 12px
}

.creator {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--line);
}

.creator:last-child {
    border-bottom: 0
}

.avatar {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(14, 165, 233, .35), rgba(2, 132, 199, .15));
    border: 1px solid var(--line);
    display: grid;
    place-items: center;
    font-weight: 900;
    color: #0b4a6f;
    font-family: var(--mono);
}

html.dark .avatar {
    color: #7dd3fc
}

.creator .info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.creator .info b {
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.creator .info small {
    color: var(--muted)
}

.note {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6
}

.note-list {
    margin: 10px 0 0 18px;
    padding: 0;
    color: var(--muted)
}

/* Add modal */
body.modal-open {
    overflow: hidden;
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    z-index: 120;
}

.modal.open {
    display: block;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, .46);
    backdrop-filter: blur(2px);
}

.modal-card {
    position: relative;
    width: min(720px, calc(100vw - 28px));
    margin: 8vh auto 0;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: 0 24px 70px rgba(2, 6, 23, .35);
    overflow: hidden;
    animation: liftIn .22s ease both;
}

.modal-head {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, var(--subtle), var(--panel));
}

.modal-head h3 {
    margin: 0;
    font-size: 16px;
}

.modal-body {
    padding: 14px;
}

.modal-close {
    width: 34px;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    color: var(--muted);
    cursor: pointer;
    font-size: 14px;
    transition: transform .16s ease, background .16s ease;
}

.modal-close:hover {
    transform: translateY(-1px);
    background: var(--hover);
}

.modal-actions {
    margin-top: 14px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

@media (max-width: 760px) {
    .modal-card {
        margin-top: 5vh;
    }
}

/* Footer */
footer {
    color: var(--muted);
    font-size: 12px;
    padding: 24px 0 40px;
    text-align: center;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}