/* ═══════════════════════════════════════════
   社区论坛 · 全局样式
   主题：游戏科研 · Dark Terminal
   ═══════════════════════════════════════════ */

/* HarmonyOS Sans SC — 鸿蒙字体（华为开源，可商用），本地托管 */
@font-face {
    font-family: 'HarmonyOS Sans SC';
    src: url('/assets/fonts/HarmonyOS_Sans_SC_Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'HarmonyOS Sans SC';
    src: url('/assets/fonts/HarmonyOS_Sans_SC_Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'HarmonyOS Sans SC';
    src: url('/assets/fonts/HarmonyOS_Sans_SC_Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

:root {
  --bg:          #0d1117;
  --bg-2:        #161b22;
  --bg-3:        #1c2128;
  --border:      #30363d;
  --border-hi:   #3fb950;
  --green:       #3fb950;
  --green-dk:    #2ea043;
  --green-glow:  rgba(63,185,80,.2);
  --blue:        #58a6ff;
  --orange:      #f0883e;
  --gold:        #e3b341;
  --red:         #f85149;
  --purple:      #bc8cff;
  --txt:         #e6edf3;
  --txt-2:       #8b949e;
  --txt-3:       #6e7681;
  --mono:        "Courier New", Consolas, monospace;
  --r:           4px;
  --r-lg:        6px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding-bottom: 60px;
  background: var(--bg);
  color: var(--txt);
  font-family: "HarmonyOS Sans SC","HarmonyOS Sans","Microsoft YaHei","PingFang SC",sans-serif;
  font-weight: 700;
  font-size: 14px;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--txt-3); }

/* ── Links ── */
a { color: var(--green); text-decoration: none; transition: color .15s; }
a:hover { color: #5fdd70; }

/* ── Typography ── */
h1,h2,h3,h4,h5 { color: var(--txt); font-weight: 700; margin: 0 0 12px; line-height: 1.3; }

/* ── Divider ── */
hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ══════════════ LAYOUT ══════════════ */
.page-wrap {
  max-width: 1100px;
  margin: 28px auto;
  padding: 0 16px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.main-col { flex: 1; min-width: 0; }
.side-col  { width: 260px; flex-shrink: 0; display: flex; flex-direction: column; gap: 14px; }
@media (max-width: 768px) {
  .page-wrap { flex-direction: column; }
  .side-col  { width: 100%; }
}

/* ══════════════ CARD ══════════════ */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.card-hover { transition: border-color .2s, box-shadow .2s, transform .15s; }
.card-hover:hover {
  border-color: var(--border-hi);
  box-shadow: 0 0 0 1px var(--border-hi), 0 4px 20px rgba(63,185,80,.12);
  transform: translateY(-1px);
}

/* ══════════════ BUTTONS ══════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 16px;
  border-radius: var(--r);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: .2s;
  font-family: inherit;
  text-decoration: none;
  white-space: nowrap;
}
.btn-green  { background: var(--green); color: #fff; border-color: var(--green); }
.btn-green:hover { background: var(--green-dk); border-color: var(--green-dk); box-shadow: 0 0 12px var(--green-glow); color: #fff; }
.btn-outline { background: transparent; color: var(--txt-2); border-color: var(--border); }
.btn-outline:hover { border-color: var(--green); color: var(--green); }
.btn-ghost  { background: transparent; color: var(--txt-3); border-color: transparent; }
.btn-ghost:hover { color: var(--txt); background: var(--bg-3); }
.btn-danger { background: transparent; color: var(--red); border-color: rgba(248,81,73,.4); }
.btn-danger:hover { background: rgba(248,81,73,.1); }
.btn:disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }

/* ══════════════ FORMS ══════════════ */
.form-input, input[type=text], input[type=email],
input[type=password], input[type=tel], select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--txt);
  padding: 9px 12px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-input:focus, input[type=text]:focus, input[type=email]:focus,
input[type=password]:focus, input[type=tel]:focus, select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(63,185,80,.1);
}
input::placeholder, textarea::placeholder { color: var(--txt-3); }
textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--txt);
  padding: 9px 12px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  resize: vertical;
  transition: border-color .2s, box-shadow .2s;
}
textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(63,185,80,.1); }
.form-label { font-size: 12px; color: var(--txt-2); margin-bottom: 6px; display: block; font-family: var(--mono); letter-spacing: .5px; }
.form-group { margin-bottom: 16px; }

/* ══════════════ BADGES ══════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: var(--r);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .5px;
}
.badge-green  { background: rgba(63,185,80,.15);  color: var(--green);  border: 1px solid rgba(63,185,80,.3); }
.badge-blue   { background: rgba(88,166,255,.15); color: var(--blue);   border: 1px solid rgba(88,166,255,.3); }
.badge-orange { background: rgba(240,136,62,.15); color: var(--orange); border: 1px solid rgba(240,136,62,.3); }
.badge-gold   { background: rgba(227,179,65,.15); color: var(--gold);   border: 1px solid rgba(227,179,65,.3); }
.badge-red    { background: rgba(248,81,73,.15);  color: var(--red);    border: 1px solid rgba(248,81,73,.3); }
.badge-purple { background: rgba(188,140,255,.15);color: var(--purple); border: 1px solid rgba(188,140,255,.3); }

/* ══════════════ AVATAR ══════════════ */
.avatar { border-radius: 50%; object-fit: cover; flex-shrink: 0; display: block; }
.av-sm  { width: 28px;  height: 28px; }
.av-md  { width: 40px;  height: 40px; }
.av-lg  { width: 72px;  height: 72px; }
.av-xl  { width: 100px; height: 100px; }

/* ══════════════ POST CARD ══════════════ */
.post-card {
  display: block;
  padding: 18px 20px;
  margin-bottom: 8px;
  color: inherit;
  text-decoration: none;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: border-color .2s, box-shadow .15s, transform .15s;
}
.post-card:hover {
  border-color: var(--border-hi);
  box-shadow: 0 0 0 1px var(--border-hi), 0 4px 20px rgba(63,185,80,.1);
  transform: translateY(-1px);
  color: inherit;
}
.post-card.is-recommend { border-left: 3px solid var(--gold); }
.post-card.is-notice    { border-left: 3px solid var(--orange); }
.post-card .p-badges    { display: flex; gap: 6px; margin-bottom: 8px; }
.post-card .p-title     { font-size: 16px; font-weight: 700; color: var(--txt); margin-bottom: 6px; line-height: 1.4; }
.post-card .p-excerpt   { color: var(--txt-2); font-size: 13px; line-height: 1.6; margin-bottom: 10px;
                           overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.post-card .p-meta      { font-size: 12px; color: var(--txt-3); display: flex; justify-content: space-between; align-items: center; }
.post-card .p-meta .p-author { color: var(--green); font-weight: 600; font-family: var(--mono); }
.post-card .p-meta .p-stats  { font-family: var(--mono); display: flex; gap: 12px; }

/* ══════════════ WIDGET (sidebar) ══════════════ */
.widget { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
.widget-head {
  font-size: 11px; font-weight: 700; color: var(--txt-3);
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 11px 14px; border-bottom: 1px solid var(--border);
  font-family: var(--mono); display: flex; align-items: center; gap: 6px;
}
.widget-head::before { content: '//'; color: var(--green); }
.widget-body { padding: 8px 0; }
.widget-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 14px; font-size: 13px; color: var(--txt-2);
  text-decoration: none; transition: background .15s, color .15s;
}
.widget-item:hover { background: var(--bg-3); color: var(--txt); }
.widget-rank {
  width: 18px; height: 18px; border-radius: var(--r);
  background: var(--bg-3); color: var(--txt-3);
  font-size: 11px; font-weight: 700; font-family: var(--mono);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.widget-rank.r1 { background: rgba(63,185,80,.2);  color: var(--green); }
.widget-rank.r2 { background: rgba(88,166,255,.2); color: var(--blue); }
.widget-rank.r3 { background: rgba(240,136,62,.2); color: var(--orange); }

/* ══════════════ SECTION TITLE ══════════════ */
.sec-title {
  font-size: 11px; font-weight: 700; color: var(--txt-3);
  letter-spacing: 1.5px; text-transform: uppercase;
  font-family: var(--mono); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.sec-title::before { content: '//'; color: var(--green); }
.sec-title::after  { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ══════════════ HASHTAG / MENTION ══════════════ */
.hashtag { color: var(--blue) !important; font-weight: 600; }
.hashtag:hover { color: #79b8ff !important; }
.mention { color: var(--green) !important; font-weight: 600; }
.mention:hover { color: #5fdd70 !important; }

/* ══════════════ FAB ══════════════ */
.fab-wrap { position: fixed; right: 28px; bottom: 32px; z-index: 999; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.fab {
  width: 48px; height: 48px;
  background: var(--green); color: #fff;
  border-radius: var(--r); display: flex; align-items: center; justify-content: center;
  font-size: 20px; text-decoration: none;
  box-shadow: 0 4px 16px rgba(63,185,80,.4); transition: .2s;
}
.fab:hover { background: var(--green-dk); box-shadow: 0 0 20px rgba(63,185,80,.5); transform: translateY(-2px); color: #fff; }
.fab-tip {
  background: var(--bg-2); border: 1px solid var(--border);
  color: var(--txt-2); font-size: 12px; padding: 4px 10px;
  border-radius: var(--r); white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.fab-wrap:hover .fab-tip { opacity: 1; }

/* ══════════════ PUBLISH NAV BUTTON ══════════════ */
.btn-publish-nav {
  background: var(--green) !important;
  color: #fff !important;
  padding: 6px 15px;
  border-radius: var(--r);
  font-weight: 700;
  font-size: 13px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: .2s;
  white-space: nowrap;
  border: 1px solid var(--green);
}
.btn-publish-nav:hover {
  background: var(--green-dk) !important;
  border-color: var(--green-dk);
  box-shadow: 0 0 12px var(--green-glow);
  color: #fff !important;
}

/* ══════════════ COMMENT ══════════════ */
.comment-item {
  display: flex; gap: 12px;
  padding: 14px 0; border-bottom: 1px solid var(--border);
}
.comment-item:last-child { border-bottom: none; }
.c-body { flex: 1; min-width: 0; }
.c-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.c-user { color: var(--green); font-weight: 600; font-size: 13px; }
.c-text { color: var(--txt-2); font-size: 14px; line-height: 1.7; margin: 4px 0; word-break: break-word; }
.c-footer { display: flex; gap: 14px; margin-top: 8px; align-items: center; }
.c-action { font-size: 12px; color: var(--txt-3); cursor: pointer; transition: color .15s; }
.c-action:hover { color: var(--green); }
.c-action.danger:hover { color: var(--red); }
.top-badge-c {
  font-size: 10px; font-weight: 700; padding: 1px 6px;
  background: rgba(63,185,80,.15); color: var(--green);
  border: 1px solid rgba(63,185,80,.3); border-radius: var(--r);
  font-family: var(--mono);
}
.reply-to { color: var(--txt-3); font-size: 12px; margin-left: 4px; }
.reply-to a { color: var(--blue); }
.floor-num { color: var(--txt-3); font-family: var(--mono); font-size: 11px; }

/* ══════════════ PAGE HERO (topic/notices) ══════════════ */
.page-hero {
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  padding: 32px 16px;
  text-align: center;
}
.page-hero h1 { font-size: 24px; color: var(--txt); margin-bottom: 6px; }
.page-hero .sub { color: var(--txt-3); font-size: 13px; font-family: var(--mono); }
.page-hero .accent { color: var(--green); }

/* ══════════════ EMPTY STATE ══════════════ */
.empty { text-align: center; padding: 48px 0; color: var(--txt-3); font-size: 14px; }
.empty a { color: var(--green); }

/* ══════════════ SPONSOR BADGE GLOW ══════════════ */
@keyframes sponsorGlow {
    0%,100% { box-shadow: 0 0 4px rgba(192,132,252,.5), 0 0 8px rgba(192,132,252,.2); }
    50%      { box-shadow: 0 0 10px rgba(192,132,252,.9), 0 0 20px rgba(192,132,252,.4); }
}
.sponsor-badge { animation: sponsorGlow 2s ease-in-out infinite; }

/* ══════════════ REPOST CARD ══════════════ */
.repost-card {
    display: block; margin-top: 10px; padding: 11px 14px;
    background: #0d1117; border: 1px solid #30363d; border-radius: 6px;
    text-decoration: none; color: inherit; transition: border-color .15s;
}
.repost-card:hover { border-color: #58a6ff; }
.repost-card.deleted { color: #484f58; font-size: 12px; font-family: "Courier New", monospace; }
.repc-author { display: flex; align-items: center; gap: 7px; margin-bottom: 6px; }
.repc-author img { width: 20px; height: 20px; border-radius: 50%; object-fit: cover; }
.repc-author span:first-of-type { font-size: 12px; color: #58a6ff; font-weight: 600; }
.repc-date { font-size: 11px; color: #484f58; margin-left: 4px; }
.repc-title { font-size: 13px; font-weight: 700; color: #c9d1d9; margin-bottom: 4px; line-height: 1.4;
              white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.repc-preview { font-size: 12px; color: #8b949e; line-height: 1.5;
                display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.repost-comment { font-size: 13px; color: #c9d1d9; margin-bottom: 6px; line-height: 1.6; }
.repost-label { font-size: 11px; color: #6e7681; font-family: "Courier New", monospace;
                margin-bottom: 4px; display: flex; align-items: center; gap: 5px; }

/* ══════════════ UTILITY ══════════════ */
.mono  { font-family: var(--mono); }
.muted { color: var(--txt-3); }
.text-green  { color: var(--green); }
.text-blue   { color: var(--blue); }
.text-orange { color: var(--orange); }
.text-red    { color: var(--red); }
.fw-bold { font-weight: 700; }
.flex   { display: flex; align-items: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.mt-8   { margin-top: 8px; }
.mb-0   { margin-bottom: 0; }