/* ═══════════════════════════════════════════
   GINO Portal UI — ZenTools design language (shared)
   canvas:#0A0E14 | accent:#00E5FF | grotesk+mono
   自动适配系统：任意页面引用此文件即获得主页同款
   视觉语言（深色主题 + 导航 + 卡片 + 按钮 + 表单）。
   由 Cloudflare Worker 对全部 HTML 响应自动注入。
   ═══════════════════════════════════════════ */
:root{
  --canvas:#0A0E14;--world:#131B26;--world-2:#1A2533;
  --accent:#00E5FF;--ink:#E8EDF2;--muted:#7A8899;
  --line:rgba(0,229,255,.12);--line-soft:rgba(232,237,242,.08);
  --r-card:12px;--r-control:6px;--r-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset,0 8px 32px -8px rgba(0,0,0,.5),0 24px 60px -20px rgba(0,0,0,.7);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--canvas);font-family:"Space Grotesk","Noto Sans JP","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;padding-bottom:60px}
::selection{background:var(--accent);color:var(--canvas)}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}

/* ═══ 自动适配兜底：未改造页面的强制深色（对已主页化页面无副作用） ═══ */
body{background:#0A0E14!important} /* NOTE: 不再强制浅色字体 —— 考试页的题目在白色卡片上，浅色字会看不见；各页自己的深色字体生效 */
input,textarea,select{color-scheme:dark}

/* hero-style header */
header{position:relative;padding:88px 24px 56px;text-align:center;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(0,229,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.06) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000 30%,transparent 80%);pointer-events:none}
.hero-glow{position:absolute;top:-20%;left:50%;transform:translateX(-50%);width:80vw;height:60vw;max-width:900px;max-height:600px;background:radial-gradient(circle,rgba(0,229,255,.16),transparent 60%);pointer-events:none}
header h1{position:relative;font-size:clamp(34px,5.5vw,68px);font-weight:700;line-height:1.05;letter-spacing:-.03em}
header h1 .accent{color:var(--accent)}
header p{position:relative;font-size:16px;color:var(--muted);margin-top:16px;max-width:52ch;margin-inline:auto}
.sub{position:relative;display:inline-flex;align-items:center;gap:10px;margin-top:14px;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.sub .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}

/* sections & cards */
.sec{margin-top:72px}
.sec h2{display:flex;align-items:center;gap:12px;font-size:clamp(20px,2.4vw,30px);font-weight:700;letter-spacing:-.02em}
.sec h2 .label{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:6px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:16px;margin-top:22px}
.card{position:relative;background:var(--world);border:1px solid var(--line-soft);border-radius:var(--r-card);padding:20px;text-decoration:none;transition:all .3s var(--ease);box-shadow:var(--shadow-card);overflow:hidden}
.card::after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(0,229,255,.07),transparent 45%);opacity:0;transition:.3s}
.card:hover{transform:translateY(-3px);border-color:var(--line);box-shadow:0 0 0 1px rgba(0,229,255,.3),0 0 40px rgba(0,229,255,.1),0 8px 32px -8px rgba(0,0,0,.6)}
.card:hover::after{opacity:1}
.card .nm{font-size:.92rem;font-weight:600;color:var(--ink);word-break:break-all}
.card .ds{font-size:.8rem;color:var(--muted);margin-top:7px}
.card .go{font-size:.74rem;color:var(--accent);margin-top:12px;font-weight:600;letter-spacing:.06em}
footer{margin-top:80px;text-align:center;font-size:12px;color:var(--muted);padding-top:24px;border-top:1px solid var(--line-soft);font-family:"JetBrains Mono",monospace;letter-spacing:.08em}

/* buttons */
button{font-family:inherit}
.btn,.auth-submit,.nav-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:var(--canvas);border:none;border-radius:var(--r-pill);padding:10px 22px;font-size:.86rem;font-weight:700;cursor:pointer;transition:transform .3s var(--ease),box-shadow .3s,background .3s,border-color .3s}
.btn:hover,.auth-submit:hover,.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,229,255,.3)}
.btn.ghost,.ghost{background:transparent;color:var(--ink);border:1px solid var(--line-soft)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.danger{background:#ff4d6b;color:#fff}
.btn.danger:hover{box-shadow:0 8px 24px rgba(255,77,107,.35)}

/* inputs */
input,textarea,select{width:100%;padding:12px 14px;background:rgba(255,255,255,.04);border:1px solid var(--line-soft);border-radius:var(--r-control);font-size:.9rem;color:var(--ink);transition:.3s;outline:none;font-family:inherit}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,229,255,.12)}
label{display:block;font-family:"JetBrains Mono",monospace;font-size:.68rem;font-weight:600;margin-bottom:6px;letter-spacing:.15em;text-transform:uppercase}

/* ═══ fixed nav (ZenTools style) ═══ */
.topnav{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 24px;transition:padding .4s var(--ease),background .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s;border-bottom:1px solid transparent}
.topnav.solid{background:rgba(10,14,20,.88);backdrop-filter:blur(16px) saturate(1.4);padding:12px 24px;border-bottom-color:var(--line-soft)}
.topnav .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.topnav .brand-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,rgba(0,229,255,.15),rgba(0,229,255,.03));border:1.5px solid rgba(0,229,255,.4);display:grid;place-items:center;color:var(--accent);box-shadow:0 0 16px rgba(0,229,255,.15),inset 0 1px 0 rgba(255,255,255,.08);font-family:"JetBrains Mono",monospace;font-size:14px;font-weight:700}
.topnav .nav-links{display:flex;gap:28px}
.topnav .nav-links a{font-size:13px;color:var(--muted);position:relative;padding-block:4px;transition:color .3s;text-decoration:none}
.topnav .nav-links a:hover{color:var(--ink)}
.topnav .nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--accent);transition:width .35s var(--ease)}
.topnav .nav-links a:hover::after{width:100%}
.topnav .nav-cta{background:var(--accent);color:var(--canvas);border-radius:var(--r-pill);padding:9px 20px;font-size:12px;font-weight:600;letter-spacing:.02em;cursor:pointer;border:none;font-family:inherit}
.topnav .nav-user{display:none;align-items:center;gap:8px;font-size:.76rem}
.topnav .nav-user.on{display:flex}
.topnav .nav-user .email-mini{color:var(--muted);max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:"JetBrains Mono",monospace;font-size:.7rem}
@media(max-width:760px){.topnav .nav-links{display:none}}

/* marquee */
.marquee{background:var(--world);overflow:hidden;padding:14px 0;border-block:1px solid var(--line-soft);margin-top:0}
.marquee-track{display:flex;width:max-content;animation:mq 30s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes mq{to{transform:translateX(-50%)}}
.marquee-track span{display:inline-flex;align-items:center;gap:14px;white-space:nowrap;padding-right:44px;font-family:"JetBrains Mono",monospace;font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.08em}
.marquee-track span .sep{color:var(--accent);font-weight:700}

/* auth / pending / admin overlays (主页同款) */
.auth-overlay{position:fixed;inset:0;z-index:2000;background:var(--canvas);display:flex;align-items:center;justify-content:center;padding:20px;overflow-y:auto}
.auth-box{position:relative;background:var(--world);border:1px solid var(--line-soft);border-radius:24px;padding:36px 30px;width:100%;max-width:400px;box-shadow:var(--shadow-card);margin:auto}
.auth-box h2{font-size:1.3rem;color:var(--ink);text-align:center;margin-bottom:4px;font-weight:700;letter-spacing:-.02em}
.auth-sub{text-align:center;color:var(--muted);font-size:.78rem;margin-bottom:22px;font-family:"JetBrains Mono",monospace;letter-spacing:.1em}
.auth-tabs{display:flex;margin-bottom:22px;background:rgba(255,255,255,.04);border-radius:var(--r-pill);padding:4px}
.auth-tabs button{flex:1;padding:10px;background:none;border:none;font-size:.86rem;font-weight:600;color:var(--muted);cursor:pointer;border-radius:var(--r-pill);transition:.3s var(--ease)}
.auth-tabs button.active{background:var(--accent);color:var(--canvas)}
.auth-field{margin-bottom:14px}
.auth-error{color:#ff6b8a;font-size:.8rem;margin-top:10px;min-height:18px;text-align:center;word-break:break-all}
.auth-divider{display:flex;align-items:center;gap:10px;margin:20px 0;color:var(--muted);font-size:.72rem}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--line-soft)}
.auth-social{display:flex;flex-direction:column;gap:10px}
.auth-social button{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:13px;border:1px solid var(--line-soft);border-radius:var(--r-control);background:rgba(255,255,255,.03);font-size:.86rem;font-weight:600;color:var(--ink);cursor:pointer;transition:.3s var(--ease)}
.auth-social button:hover{border-color:rgba(0,229,255,.4);background:rgba(0,229,255,.07)}
.pending-overlay{position:fixed;inset:0;z-index:2000;background:var(--canvas);display:flex;align-items:center;justify-content:center;padding:20px}
.pending-box{background:var(--world);border:1px solid var(--line-soft);border-radius:24px;padding:40px 32px;width:100%;max-width:440px;text-align:center;box-shadow:var(--shadow-card)}
.status-tag{display:inline-block;background:rgba(0,229,255,.12);color:var(--accent);border:1px solid rgba(0,229,255,.35);border-radius:var(--r-pill);padding:4px 14px;font-size:.7rem;font-weight:700;font-family:"JetBrains Mono",monospace;letter-spacing:.1em;margin-bottom:14px}
.admin-overlay{position:fixed;inset:0;z-index:2100;background:rgba(5,8,13,.8);display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(8px)}
.admin-box{background:var(--world);border:1px solid var(--line-soft);border-radius:24px;padding:28px;width:100%;max-width:560px;max-height:86vh;overflow-y:auto;box-shadow:var(--shadow-card)}

.hidden{display:none!important}