:root {
  --bg: #081018;
  --bg-soft: #0d1721;
  --panel: #101d28;
  --panel-strong: #132433;
  --line: rgba(157, 190, 213, 0.16);
  --line-strong: rgba(157, 190, 213, 0.26);
  --text: #eef5f7;
  --muted: #8fa3ad;
  --muted-strong: #b7c6cc;
  --accent: #f3c56f;
  --accent-hot: #ffdb8b;
  --cyan: #78e5d0;
  --pink: #f395b5;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.22);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 13px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 82% -4%, rgba(63, 134, 144, 0.17), transparent 30rem),
    radial-gradient(circle at 6% 8%, rgba(204, 148, 74, 0.08), transparent 25rem),
    var(--bg);
  font-family: "Manrope", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
}

button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; border: 0; cursor: pointer; }

.app-shell { width: min(1440px, calc(100% - 64px)); margin: 0 auto; }

.topbar {
  height: 80px;
  display: flex;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.04em; font-size: 1.15rem; }
.brand-mark { color: var(--accent); font-size: 1.35rem; line-height: 1; filter: drop-shadow(0 0 12px rgba(243, 197, 111, 0.35)); }
.brand-mark.small { font-size: 1rem; margin-right: 8px; }
.topbar-note { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font: 500 0.72rem/1 "DM Mono", monospace; letter-spacing: 0.04em; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(120, 229, 208, 0.1), 0 0 14px rgba(120, 229, 208, 0.7); }
.topnav { display: flex; align-items: center; gap: 24px; margin-left: auto; color: var(--muted); font-size: 0.88rem; }
.topnav a, .topnav button { position: relative; padding: 8px 0; background: transparent; color: inherit; }
.topnav .active, .topnav a:hover, .topnav button:hover { color: var(--text); }
.topnav .active::after { content: ""; position: absolute; bottom: -8px; left: 0; width: 18px; height: 2px; background: var(--accent); border-radius: 2px; }
#favorite-count { color: var(--accent); font: 500 0.7rem "DM Mono", monospace; }
.github-link { display: inline-flex; align-items: center; gap: 7px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted-strong); font-size: 0.78rem; transition: border-color .2s, background .2s; }
.github-link:hover { border-color: var(--line-strong); background: rgba(255,255,255,0.04); }

.intro { min-height: 360px; display: flex; align-items: center; justify-content: space-between; gap: 48px; padding: 68px 0 60px; }
.intro-copy { max-width: 710px; }
.eyebrow, .section-kicker { margin: 0 0 16px; color: var(--accent); font: 500 0.7rem/1.2 "DM Mono", monospace; letter-spacing: 0.16em; }
.intro h1 { max-width: 700px; margin: 0; font-size: clamp(2.6rem, 5vw, 5.3rem); line-height: 0.98; letter-spacing: -0.075em; font-weight: 800; }
.intro-text { max-width: 640px; margin: 26px 0 0; color: var(--muted); font-size: 1rem; line-height: 1.85; }
.intro-side { display: flex; align-items: center; gap: 28px; flex: 0 0 auto; }
.signal-orb { position: relative; width: 140px; height: 140px; display: grid; place-items: center; border: 1px solid rgba(120, 229, 208, .32); border-radius: 50%; background: radial-gradient(circle at 50% 45%, rgba(120, 229, 208, .28), rgba(18, 47, 55, .2) 41%, transparent 67%); box-shadow: 0 0 70px rgba(62, 180, 170, .13), inset 0 0 30px rgba(120, 229, 208, .08); color: var(--cyan); font: 700 1.15rem "DM Mono", monospace; }
.signal-orb::before, .signal-orb::after { content: ""; position: absolute; inset: 17px; border: 1px dashed rgba(120, 229, 208, .35); border-radius: 50%; transform: rotate(30deg); }
.signal-orb::after { inset: 33px; border-style: solid; border-color: rgba(243, 197, 111, .35) transparent; transform: rotate(-45deg); }
.signal-orb i { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.signal-orb i:nth-of-type(1) { top: 19px; right: 36px; }.signal-orb i:nth-of-type(2) { left: 24px; bottom: 42px; background: var(--pink); }.signal-orb i:nth-of-type(3) { right: 17px; bottom: 34px; background: var(--cyan); }
.intro-stats { display: grid; gap: 19px; min-width: 130px; }
.intro-stats div { display: grid; grid-template-columns: 70px 1fr; gap: 10px; align-items: baseline; border-bottom: 1px solid var(--line); padding-bottom: 10px; }
.intro-stats strong { color: var(--text); font-size: 1.15rem; letter-spacing: -0.04em; }
.intro-stats span { color: var(--muted); font-size: 0.72rem; }

.controls { margin-bottom: 28px; }
.control-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.control-heading .section-kicker { margin-bottom: 8px; }
.control-heading h2 { margin: 0; font-size: 1.75rem; letter-spacing: -0.05em; }
.result-count { color: var(--muted); font: 0.72rem "DM Mono", monospace; }
.control-row { display: flex; align-items: center; gap: 16px; }
.search-box { flex: 1; max-width: 620px; display: flex; align-items: center; gap: 12px; padding: 13px 14px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(18, 33, 45, .68); transition: border-color .2s, background .2s; }
.search-box:focus-within { border-color: rgba(120, 229, 208, .52); background: rgba(18, 40, 48, .8); }
.search-icon { color: var(--cyan); font-size: 1.35rem; line-height: 1; transform: rotate(-15deg); }
.search-box input { width: 100%; border: 0; outline: 0; color: var(--text); background: transparent; font-size: .9rem; }
.search-box input::placeholder { color: #6c828d; }
kbd { min-width: 24px; padding: 3px 6px; border: 1px solid var(--line); border-radius: 5px; color: var(--muted); font: 0.7rem "DM Mono", monospace; text-align: center; }
.sort-buttons { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 11px; background: rgba(13, 25, 35, .7); }
.sort-button { padding: 8px 13px; border-radius: 8px; color: var(--muted); background: transparent; font-size: .78rem; }
.sort-button:hover, .sort-button.active { color: var(--bg); background: var(--accent); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag-filter { padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--muted); font-size: .76rem; transition: all .2s; }
.tag-filter:hover { border-color: var(--line-strong); color: var(--text); }
.tag-filter.active { border-color: rgba(243, 197, 111, .55); background: rgba(243, 197, 111, .12); color: var(--accent-hot); }

.project-grid { column-width: 300px; column-gap: 20px; }
.project-card { display: inline-block; width: 100%; margin: 0 0 20px; overflow: hidden; vertical-align: top; break-inside: avoid; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(18, 33, 45, .98), rgba(11, 22, 31, .98)); box-shadow: 0 8px 24px rgba(0,0,0,.08); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.project-card:hover { transform: translateY(-4px); border-color: rgba(120, 229, 208, .34); box-shadow: var(--shadow); }
.project-cover { position: relative; height: var(--cover-height, 194px); overflow: hidden; background: var(--cover-bg, #152735); }
.project-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(5, 12, 18, .55) 100%); pointer-events: none; }
.project-cover img { width: 100%; height: 100%; display: block; object-fit: cover; opacity: .9; transition: transform .5s ease, opacity .3s; }
.project-card:hover .project-cover img { transform: scale(1.04); opacity: 1; }
.cover-fallback { position: absolute; inset: 0; display: grid; place-items: center; padding: 30px; text-align: center; }
.cover-fallback strong { max-width: 240px; color: rgba(238, 245, 247, .85); font-size: clamp(1.3rem, 2vw, 2rem); letter-spacing: -0.06em; line-height: 1.05; }
.cover-fallback span { position: absolute; right: 15px; bottom: 13px; color: rgba(238, 245, 247, .72); font: .65rem "DM Mono", monospace; }
.cover-overlay { position: absolute; z-index: 1; left: 15px; top: 15px; right: 15px; display: flex; justify-content: space-between; align-items: start; }
.signal-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; background: rgba(5, 12, 18, .55); color: #f4f9f8; font: 500 .65rem "DM Mono", monospace; backdrop-filter: blur(9px); }
.signal-badge::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.score-mark { color: var(--accent-hot); font: 500 .68rem "DM Mono", monospace; text-shadow: 0 1px 14px rgba(243, 197, 111, .7); }
.card-body { padding: 18px 18px 15px; }
.card-title-row { display: flex; align-items: start; gap: 10px; justify-content: space-between; }
.card-title { margin: 0; color: var(--text); font-size: 1.1rem; line-height: 1.15; letter-spacing: -0.04em; }
.card-title a:hover { color: var(--accent-hot); }
.repo-name { margin: 6px 0 0; color: var(--muted); font: .68rem "DM Mono", monospace; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-description { display: -webkit-box; overflow: hidden; margin: 14px 0 16px; color: var(--muted-strong); font-size: .83rem; line-height: 1.65; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; min-height: 23px; }
.card-tag { padding: 4px 7px; border-radius: 5px; background: rgba(120, 229, 208, .08); color: #a6d8d1; font: .63rem "DM Mono", monospace; }
.card-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 17px; padding-top: 13px; border-top: 1px solid var(--line); color: var(--muted); font: .67rem "DM Mono", monospace; }
.meta-left, .meta-right { display: inline-flex; align-items: center; gap: 11px; }
.meta-left span { display: inline-flex; align-items: center; gap: 4px; }
.language-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.card-actions { display: flex; align-items: center; gap: 6px; margin-top: 13px; }
.action-button { display: inline-flex; align-items: center; gap: 5px; padding: 7px 8px; border: 1px solid transparent; border-radius: 8px; color: var(--muted); background: transparent; font-size: .7rem; transition: all .2s; }
.action-button:hover { border-color: var(--line); color: var(--text); background: rgba(255,255,255,.04); }
.action-button.is-liked { color: var(--pink); background: rgba(243, 149, 181, .08); }
.action-button.is-saved { color: var(--accent); background: rgba(243, 197, 111, .09); }
.action-button.comment-button { margin-left: auto; }
.action-icon { font-size: .9rem; line-height: 1; }

.empty-state { padding: 85px 20px; text-align: center; }
.empty-icon { color: var(--accent); font-size: 2rem; }
.empty-state h2 { margin: 14px 0 6px; font-size: 1.2rem; }
.empty-state p { margin: 0 0 20px; color: var(--muted); font-size: .85rem; }
.ghost-button { padding: 10px 15px; border: 1px solid var(--line-strong); border-radius: 9px; background: transparent; color: var(--muted-strong); font-size: .78rem; }
.ghost-button:hover { color: var(--text); background: rgba(255,255,255,.04); }

.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 72px; padding: 24px 0 38px; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; }
.site-footer > div { display: flex; align-items: center; color: var(--muted-strong); font-weight: 700; }
.site-footer p { margin: 0; font: .66rem "DM Mono", monospace; }

.comments-dialog { width: min(680px, calc(100% - 28px)); max-height: min(780px, calc(100vh - 28px)); padding: 0; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 20px; color: var(--text); background: #0d1923; box-shadow: 0 30px 100px rgba(0,0,0,.5); }
.comments-dialog::backdrop { background: rgba(2, 7, 11, .76); backdrop-filter: blur(5px); }
.dialog-head { display: flex; align-items: start; justify-content: space-between; gap: 20px; padding: 22px 24px 10px; }
.dialog-head .section-kicker { margin-bottom: 8px; }
.dialog-head h2 { margin: 0; font-size: 1.2rem; letter-spacing: -0.04em; }
.close-button { width: 30px; height: 30px; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--muted); font-size: 1.2rem; line-height: 1; }
.close-button:hover { color: var(--text); border-color: var(--line-strong); }
.dialog-caption { margin: 0; padding: 0 24px 17px; color: var(--muted); font-size: .76rem; }
.utterances-host { min-height: 130px; max-height: 570px; overflow: auto; padding: 0 24px 22px; }
.utterances-host iframe { max-width: 100%; }

.toast { position: fixed; z-index: 20; left: 50%; bottom: 26px; max-width: calc(100% - 40px); padding: 10px 14px; border: 1px solid var(--line-strong); border-radius: 10px; opacity: 0; pointer-events: none; transform: translate(-50%, 14px); background: #142735; color: var(--text); font-size: .78rem; box-shadow: var(--shadow); transition: opacity .2s, transform .2s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 820px) {
  .app-shell { width: min(100% - 36px, 680px); }
  .topbar { height: 68px; gap: 16px; }
  .topbar-note { display: none; }
  .github-link { margin-left: auto; }
  .intro { display: block; min-height: auto; padding: 54px 0 48px; }
  .intro h1 { font-size: clamp(2.65rem, 11vw, 4.6rem); }
  .intro-side { justify-content: flex-start; margin-top: 36px; }
  .signal-orb { width: 104px; height: 104px; }
  .control-row { display: block; }
  .search-box { max-width: none; }
  .sort-buttons { width: fit-content; margin-top: 12px; }
  .site-footer { display: block; }
  .site-footer p { margin-top: 13px; line-height: 1.7; }
}

@media (max-width: 500px) {
  .app-shell { width: min(100% - 26px, 680px); }
  .topnav { gap: 12px; font-size: .8rem; }
  .topnav a { display: none; }
  .github-link { padding: 8px 10px; }
  .control-heading { display: block; }
  .result-count { display: block; margin-top: 12px; }
  .project-grid { column-count: 1; }
  .project-card { margin-bottom: 15px; }
  .card-body { padding: 16px; }
  .intro-stats { min-width: 0; width: 100%; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .intro-stats div { display: block; border-bottom: 0; padding: 0; }
  .intro-stats strong, .intro-stats span { display: block; }
  .intro-stats span { margin-top: 3px; }
  .intro-side { gap: 18px; }
  .signal-orb { flex: 0 0 94px; }
}