/* ═══════════════════════════════════════════════════════
   MESSAGE FEEDBACK — 留言反馈页
   匹配 地球Online / task.html 暗色主题布局
   ═══════════════════════════════════════════════════════ */

/* ── tokens ─────────────────────────────────────────── */
:root{
  --bg-0:#08080a;
  --bg-1:#0d0d10;
  --bg-2:#13131a;
  --bg-3:#1c1c25;
  --line:rgba(232,230,225,.07);
  --line-2:rgba(232,230,225,.14);
  --line-3:rgba(232,230,225,.28);

  --ink-0:#e8e6e1;
  --ink-1:#a8a39a;
  --ink-2:#6c6760;
  --ink-3:#3e3a35;

  --rust:#9b3a2b;
  --rust-2:#b54836;
  --rust-3:#c95a44;
  --rust-soft:rgba(155,58,43,.14);
  --rust-edge:rgba(155,58,43,.4);

  --green:#5a9b6a;
  --green-soft:rgba(90,155,106,.14);
  --amber:#c5832d;
  --amber-soft:rgba(197,131,45,.14);

  --mono:'JetBrains Mono','IBM Plex Mono','Cascadia Code',Consolas,Menlo,monospace;
  --sans:'Space Grotesk','Inter','Noto Sans SC',system-ui,sans-serif;
  --cn:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;

  --pad-x: clamp(20px, 4vw, 56px);
  --maxw: 1480px;
  --chrome-bg:#000;
  --nav-bg:rgba(8,8,10,.78);
  --hover-fill:rgba(232,230,225,.04);
  --grid-line: rgba(232,230,225,.022);
}

/* ── reset ──────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;color-scheme:dark}
html,body{
  background:var(--bg-0);color:var(--ink-0);
  font-family:var(--sans);font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
body{overflow-x:hidden;min-height:100vh}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
img,svg{display:block;max-width:100%}
::selection{background:var(--rust);color:#fff}

.up{text-transform:uppercase;letter-spacing:.18em}
.mono{font-family:var(--mono);font-weight:400;letter-spacing:.02em}
.tabnum{font-variant-numeric:tabular-nums}
.cn{font-family:var(--cn)}
.muted{color:var(--ink-1)}
.faint{color:var(--ink-2)}

/* ── 全站底纹 ───────────────────────────────────────── */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
}

/* ═══════════════════════════════════════════════════════
   顶部状态条 Strip
   ═══════════════════════════════════════════════════════ */
.strip{
  position:sticky;top:0;z-index:60;
  background:var(--chrome-bg);border-bottom:1px solid var(--line);
  height:30px;
  display:flex;align-items:center;
  padding:0 var(--pad-x);
  font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--ink-1);
  white-space:nowrap;overflow:hidden;
}
.strip > * + *{margin-left:24px}
.strip .sep{color:var(--ink-3)}
.strip .ver{color:var(--ink-0)}
.strip .num{color:var(--ink-0);font-variant-numeric:tabular-nums}
.strip .dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--green);box-shadow:0 0 0 0 rgba(90,155,106,.5);
  animation:pulseDot 2.4s ease-in-out infinite;
  vertical-align:middle;margin-right:6px;transform:translateY(-1px);
}
.strip .spacer{flex:1 1 auto;margin-left:24px;border-bottom:1px dashed var(--line);height:1px}
@keyframes pulseDot{0%,100%{box-shadow:0 0 0 0 rgba(90,155,106,.55)}50%{box-shadow:0 0 0 6px rgba(90,155,106,0)}}
@media (max-width:760px){
  .strip{font-size:10px}
  .strip > * + *{margin-left:12px}
}

/* ═══════════════════════════════════════════════════════
   顶部导航 Nav（task.html style）
   ═══════════════════════════════════════════════════════ */
.nav{
  position:sticky;top:30px;z-index:55;
  background:var(--nav-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px var(--pad-x);max-width:var(--maxw);margin:0 auto;
}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-logo-link{
  width:46px;height:46px;display:grid;place-items:center;flex:0 0 auto;
  transition:transform .2s, filter .2s;
}
.brand-logo-link:hover{transform:translateY(-1px);filter:saturate(1.08)}
.brand-logo-placeholder{
  width:46px;height:46px;display:grid;place-items:center;
  font-family:var(--mono);font-size:18px;font-weight:700;
  color:var(--rust-3);background:var(--rust-soft);
  border:2px solid var(--rust-edge);
}
.brand-name{
  font-family:var(--sans);font-weight:600;letter-spacing:.02em;font-size:16px;
  display:inline-flex;align-items:baseline;gap:.18em;
  color:var(--ink-0);transition:color .2s;
}
.brand-name:hover{color:var(--rust-3)}
.brand-name .en{
  font-family:var(--sans);font-weight:600;letter-spacing:.04em;font-size:15px;
}
.nav-links{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px}
.nav-links a{
  position:relative;padding:8px 14px;color:var(--ink-1);
  letter-spacing:.1em;text-transform:uppercase;transition:color .25s;
}
.nav-links a:hover{color:var(--ink-0)}
.nav-links a.active{color:var(--ink-0)}
.nav-links a.active::before,
.nav-links a:hover::before{transform:scaleX(1)}
.nav-links a::before{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1px;
  background:var(--rust);transform:scaleX(0);transform-origin:left;transition:transform .35s;
}
.nav-burger{
  display:none;width:36px;height:36px;border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;color:var(--ink-1);
}
@media (max-width:1180px){
  .nav-links{display:none}
  .nav.nav-open .nav-links{
    display:flex;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(8,8,10,.96);border-bottom:1px solid var(--line);
    padding:8px var(--pad-x) 14px;
  }
  .nav.nav-open .nav-links a{padding:13px 0;border-bottom:1px solid var(--line)}
  .nav.nav-open .nav-links a::before{left:0;right:0;bottom:7px}
  .nav-burger{display:flex}
}

/* ═══════════════════════════════════════════════════════
   通用按钮（from diqiuol style.css）
   ═══════════════════════════════════════════════════════ */
.btn{
  font-family:var(--mono);font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:500;
  padding:16px 26px;border:1px solid var(--ink-0);color:var(--ink-0);
  background:transparent;cursor:pointer;position:relative;overflow:hidden;
  transition:color .25s;display:inline-flex;align-items:center;gap:10px;
}
.btn::before{
  content:"";position:absolute;inset:0;background:var(--ink-0);transform:translateX(-101%);
  transition:transform .35s ease;z-index:-1;
}
.btn:hover{color:var(--bg-0)}
.btn:hover::before{transform:translateX(0)}
.btn.primary{border-color:var(--rust);color:#fff;background:var(--rust)}
.btn.primary::before{background:var(--ink-0)}
.btn.primary:hover{color:var(--rust)}
.btn.ghost{border-color:var(--line-3);color:var(--ink-1)}
.btn.ghost::before{background:var(--ink-0)}
.btn.ghost:hover{color:var(--ink-0);border-color:var(--ink-0)}
.btn.sm{padding:11px 18px;font-size:11px}
.btn .arr{
  width:14px;height:1px;background:currentColor;position:relative;
}
.btn .arr::before,.btn .arr::after{
  content:"";position:absolute;right:0;width:6px;height:1px;background:currentColor;
}
.btn .arr::before{top:-2px;transform:rotate(35deg);transform-origin:right}
.btn .arr::after{top:2px;transform:rotate(-35deg);transform-origin:right}
.btn:disabled{opacity:.45;pointer-events:none}

/* ═══════════════════════════════════════════════════════
   Subpage Hero
   ═══════════════════════════════════════════════════════ */
.subpage-hero{
  padding:clamp(28px,3vw,44px) var(--pad-x) clamp(20px,2.5vw,32px);
  border-bottom:1px solid var(--line);
  position:relative;z-index:3;
  background:radial-gradient(ellipse 50% 60% at 80% 50%, rgba(155,58,43,.06), transparent 60%);
}
.subpage-hero-inner{max-width:var(--maxw);margin:0 auto;width:100%}
.subpage-crumbs{
  font-family:var(--mono);font-size:11px;color:var(--ink-2);
  letter-spacing:.16em;text-transform:uppercase;margin-bottom:14px;
  display:flex;gap:10px;flex-wrap:wrap;
}
.subpage-crumbs a{color:var(--ink-1);transition:color .2s}
.subpage-crumbs a:hover{color:var(--ink-0)}
.subpage-crumbs .sep{color:var(--ink-3)}
.subpage-crumbs .now{color:var(--rust-3)}
.subpage-h{
  display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center;
}
.subpage-h h1{
  display:flex;align-items:baseline;flex-wrap:wrap;gap:0 14px;
  font-family:var(--sans);font-weight:700;
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.15;letter-spacing:0;margin:0;
}
.subpage-h h1 .zh{font-family:var(--cn);font-weight:500}
.subpage-h h1 .accent{color:var(--rust)}
.subpage-h .stat{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:0;
  font-family:var(--mono);font-size:11px;color:var(--ink-1);letter-spacing:.06em;
  line-height:1.5;text-align:right;
}
.subpage-h .stat > div{display:inline-flex;align-items:baseline;white-space:nowrap}
.subpage-h .stat > div:not(:last-child)::after{
  content:"·";margin:0 10px;color:var(--ink-3);
}
.subpage-h .stat .v{color:var(--ink-0)}
.subpage-h .stat .v.g{color:var(--green)}
@media (max-width:760px){
  .subpage-h{grid-template-columns:1fr;gap:12px}
  .subpage-h .stat{justify-content:flex-start;text-align:left}
}

/* ═══════════════════════════════════════════════════════
   区段通用
   ═══════════════════════════════════════════════════════ */
.section{
  padding:clamp(42px, 5vw, 76px) var(--pad-x);
  position:relative;z-index:3;border-bottom:1px solid var(--line);
}
.section-inner{max-width:var(--maxw);margin:0 auto;width:100%}

/* ── 两栏布局（留言列表 + 撰写表单）── */
.msg-two-col{
  display:grid;
  grid-template-columns:1fr 420px;
  gap:28px;
  align-items:start;
}

/* ── 面板头部（tp-head = task panel head）── */
.tp-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  flex-wrap:wrap;margin-bottom:22px;
}
.tp-head h2{margin-top:6px}
.section-eyebrow{
  font-family:var(--mono);font-size:11px;color:var(--rust-3);letter-spacing:.24em;text-transform:uppercase;margin-bottom:12px;
  display:flex;align-items:center;gap:10px;
}
.section-eyebrow::before{
  content:"";width:24px;height:1px;background:var(--rust);
}
.section-title{
  font-family:var(--sans);font-weight:600;font-size:clamp(26px,3.3vw,44px);line-height:1.08;letter-spacing:0;
  margin:0;
}
.section-title .zh{font-family:var(--cn);font-weight:500}
.section-title .accent{color:var(--rust-3)}
.tp-count{
  font-family:var(--mono);font-size:11px;color:var(--ink-2);letter-spacing:.18em;text-transform:uppercase;
}

/* ═══════════════════════════════════════════════════════
   留言卡片列表（task-card 风格）
   ═══════════════════════════════════════════════════════ */
.task-grid.msg-grid{
  display:grid;grid-template-columns:1fr;gap:14px;
}
.task-card.msg-card{
  background:var(--bg-1);border:1px solid var(--line);padding:22px;
  display:flex;flex-direction:column;gap:14px;
  transition:border-color .25s, transform .25s, background .25s;
  position:relative;overflow:hidden;cursor:pointer;
}
.task-card.msg-card:hover{
  border-color:var(--rust);transform:translateY(-2px);
  background:linear-gradient(180deg,rgba(155,58,43,.04),var(--bg-1));
}
.task-card.msg-card.active{
  border-color:var(--rust);border-left-width:3px;
  background:rgba(155,58,43,.06);
}
.task-card .meta{
  display:flex;justify-content:space-between;align-items:center;
  font-family:var(--mono);font-size:10px;color:var(--ink-2);letter-spacing:.14em;text-transform:uppercase;
}
.task-card .meta .type{color:var(--rust-3)}
.task-card .title{
  display:flex;align-items:center;gap:14px;
  font-family:var(--cn);font-size:17px;font-weight:500;color:var(--ink-0);line-height:1.4;
}
.mc-avatar{
  width:42px;height:42px;border-radius:50%;object-fit:cover;
  border:1.5px solid var(--line-2);flex-shrink:0;
  transition:border-color .25s;
}
.task-card.msg-card:hover .mc-avatar{border-color:var(--rust-3)}
.mc-avatar.avatar-lg{width:48px;height:48px;border-width:2px}
.mc-name{
  display:inline-flex;align-items:center;gap:8px;
}
.mc-name.vip{color:var(--amber)}
.vip-badge{
  display:inline-block;font-family:var(--mono);font-size:9px;
  color:var(--amber);border:1px solid var(--amber);
  padding:1px 6px;letter-spacing:.12em;text-transform:uppercase;
}
.task-card .by{
  font-family:var(--mono);font-size:11px;color:var(--ink-2);letter-spacing:.04em;
  display:flex;justify-content:space-between;
}
.task-card .reward{
  padding:10px 12px;background:var(--bg-2);border:1px dashed var(--line-2);
  font-family:var(--cn);font-size:12px;color:var(--ink-1);
  line-height:1.7;
}
.task-card .actions{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:auto;padding-top:8px;border-top:1px dashed var(--line);
}
.task-card .actions .ct{
  font-family:var(--mono);font-size:10px;color:var(--ink-2);letter-spacing:.04em;
}

/* ── 空状态 ─────────────────────────────────────────── */
.empty-state{
  text-align:center;padding:56px 20px;
  border:1px dashed var(--line-2);background:var(--bg-1);
}
.empty-icon{
  width:48px;height:48px;margin:0 auto 16px;
  border:1px solid var(--line-2);display:grid;place-items:center;
  font-family:var(--mono);font-size:22px;color:var(--ink-1);
}
.empty-state p{
  font-family:var(--cn);font-size:15px;color:var(--ink-1);margin:0 0 8px;
}
.empty-hint{font-family:var(--mono);font-size:11px;color:var(--ink-2);letter-spacing:.06em}

/* ═══════════════════════════════════════════════════════
   撰写留言表单卡片
   ═══════════════════════════════════════════════════════ */
.task-card.msg-form-card{
  padding:22px;cursor:default;
}
.task-card.msg-form-card:hover{
  border-color:var(--line);transform:none;background:var(--bg-1);
}
.msg-form-fields{margin-top:4px}
.form-field{margin-bottom:18px}
.form-field:last-of-type{margin-bottom:0}
.form-field label{
  display:block;font-family:var(--mono);font-size:11px;
  color:var(--ink-1);letter-spacing:.14em;text-transform:uppercase;
  margin-bottom:8px;
}
.form-field .required{color:var(--rust-3)}
.form-field input,
.form-field textarea{
  width:100%;padding:13px 15px;
  background:var(--bg-2);color:var(--ink-0);
  border:1px solid var(--line-2);font-family:var(--cn);font-size:14px;
  line-height:1.6;transition:border-color .25s, box-shadow .25s;
}
.form-field input:focus,
.form-field textarea:focus{
  outline:none;border-color:var(--rust);
  box-shadow:0 0 0 3px rgba(155,58,43,.1);
}
.form-field textarea{resize:vertical;min-height:140px}
.form-field input::placeholder,
.form-field textarea::placeholder{color:var(--ink-2);font-family:var(--cn)}
.char-count{
  text-align:right;font-family:var(--mono);font-size:10px;
  color:var(--ink-2);margin-top:6px;letter-spacing:.06em;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-actions-inline{display:flex;gap:10px;align-items:center}

/* ═══════════════════════════════════════════════════════
   GM 回复高亮区块
   ═══════════════════════════════════════════════════════ */
.gm-reply-block{
  margin-top:4px;
  padding:12px 14px;
  background:linear-gradient(135deg, rgba(90,155,106,.08), rgba(90,155,106,.03));
  border:1px solid rgba(90,155,106,.18);
  border-left:3px solid var(--green);
  position:relative;
}
.gm-reply-block::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:160px;
  background:radial-gradient(ellipse 60% 100% at 0% 50%, rgba(90,155,106,.06), transparent);
  pointer-events:none;
}
.gm-reply-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:8px;
}
.gm-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:10px;font-weight:600;
  color:var(--green);letter-spacing:.12em;text-transform:uppercase;
}
.gm-badge::before{
  content:"◆";font-size:7px;
}
.gm-reply-time{
  font-family:var(--mono);font-size:10px;color:var(--ink-2);letter-spacing:.04em;
}
.gm-reply-body{
  font-family:var(--cn);font-size:13px;color:var(--ink-0);line-height:1.7;
  white-space:pre-wrap;word-wrap:break-word;
}

/* ═══════════════════════════════════════════════════════
   分页
   ═══════════════════════════════════════════════════════ */
.pagination{
  display:flex;justify-content:center;align-items:center;gap:6px;
  font-family:var(--mono);font-size:12px;margin-top:24px;
}
.page-btn{
  width:36px;height:36px;display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--ink-1);
  transition:all .25s;font-size:12px;letter-spacing:.06em;
}
.page-btn:hover{color:var(--ink-0);border-color:var(--ink-0)}
.page-btn.active{background:var(--rust);color:#fff;border-color:var(--rust)}
.page-btn svg{display:block}
.page-ellipsis{
  width:36px;height:36px;display:grid;place-items:center;
  color:var(--ink-2);font-size:14px;letter-spacing:.1em;
}

/* ═══════════════════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════════════════ */
footer{
  background:#040406;padding:40px var(--pad-x) 28px;color:var(--ink-1);
  position:relative;z-index:3;
}
.foot-inner{max-width:var(--maxw);margin:0 auto}
.foot-bot{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;
  gap:16px;font-family:var(--mono);font-size:11px;color:var(--ink-2);letter-spacing:.06em;
}
.foot-bot .legal{font-family:var(--cn);font-size:12px;color:var(--ink-2);max-width:60ch;line-height:1.7}
.foot-bot .stamp{display:inline-flex;align-items:center;gap:8px}
.foot-bot .stamp .dot{
  width:8px;height:8px;border-radius:50%;background:var(--green);
  animation:pulseDot 2.4s ease-in-out infinite;
}

/* ═══════════════════════════════════════════════════════
   响应式
   ═══════════════════════════════════════════════════════ */
@media (max-width:1080px){
  .msg-two-col{grid-template-columns:1fr}
}
@media (max-width:760px){
  .section{padding:32px var(--pad-x)}
  .subpage-hero{padding:24px var(--pad-x) 20px}
  .subpage-crumbs{font-size:10px;gap:6px}
  .task-card.msg-card,
  .task-card.msg-form-card{padding:18px}
  .form-row{grid-template-columns:1fr}
  .detail-body{padding:22px 18px}
  .tp-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:420px){
  .page-btn{width:32px;height:32px;font-size:11px}
  .pagination{gap:4px}
  .mc-avatar{width:36px;height:36px}
}