*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#0B0F14;
  --bg-elevated:#111820;
  --bg-card:#151C26;
  --accent:#38BDF8;
  --accent-soft:rgba(56,189,248,0.12);
  --accent-border:rgba(56,189,248,0.28);
  --success:#34D399;
  --text:#E8EDF4;
  --text-muted:#94A3B8;
  --text-dim:#64748B;
  --border:rgba(148,163,184,0.12);
  --border-strong:rgba(148,163,184,0.22);
  --shadow:0 24px 64px rgba(0,0,0,0.35);
  --radius:10px;
  --radius-lg:16px;
  --nav-h:68px;
  --max:1120px;
  --font:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',monospace;
}

html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}

.bg-grid{position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(56,189,248,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,0.03) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,black,transparent)}
.bg-glow{position:fixed;top:-20%;left:50%;transform:translateX(-50%);width:min(900px,100vw);height:500px;z-index:0;pointer-events:none;background:radial-gradient(ellipse,rgba(56,189,248,0.08),transparent 70%)}

nav{position:sticky;top:0;z-index:100;height:var(--nav-h);background:rgba(11,15,20,0.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:var(--max);margin:0 auto;height:100%;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nav-logo{display:flex;align-items:center;gap:0.65rem;text-decoration:none;color:var(--text);font-weight:600;font-size:0.95rem;flex-shrink:0;min-width:0}
.nav-logo-text{white-space:nowrap;font-size:0.88rem;letter-spacing:-0.01em}
.nav-logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#6366F1);display:grid;place-items:center;font-family:var(--mono);font-size:0.72rem;font-weight:500;color:#fff}
.nav-links{display:flex;gap:0.25rem;list-style:none;align-items:center}
.nav-links a{font-size:0.875rem;color:var(--text-muted);text-decoration:none;padding:0.45rem 0.85rem;border-radius:8px;transition:color 0.2s,background 0.2s}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,0.04)}
.nav-actions{display:flex;align-items:center;gap:0.75rem}
.status-pill{display:flex;align-items:center;gap:0.45rem;font-family:var(--mono);font-size:0.68rem;color:var(--success);padding:0.35rem 0.75rem;border-radius:999px;background:rgba(52,211,153,0.08);border:1px solid rgba(52,211,153,0.2)}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--success);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.45}}
.nav-ham{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-ham span{display:block;width:22px;height:2px;background:var(--text-muted)}
.mob-menu{display:none;position:fixed;inset:var(--nav-h) 0 0 0;z-index:99;background:rgba(11,15,20,0.97);backdrop-filter:blur(12px);flex-direction:column;align-items:center;justify-content:center;gap:1.5rem}
.mob-menu.open{display:flex}
.mob-menu a{font-size:1.1rem;color:var(--text-muted);text-decoration:none}
.mob-menu a:hover{color:var(--accent)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.72rem 1.35rem;border-radius:var(--radius);font-size:0.875rem;font-weight:500;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:all 0.2s}
.btn-primary{background:var(--accent);color:#041018}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(56,189,248,0.25)}
.btn-outline{background:transparent;color:var(--text);border-color:var(--border-strong)}
.btn-outline:hover{border-color:var(--accent-border);background:var(--accent-soft)}
.chip{display:inline-flex;font-family:var(--mono);font-size:0.68rem;padding:0.25rem 0.6rem;border-radius:6px;background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted)}

.page{max-width:var(--max);margin:0 auto;padding:3rem 1.5rem 5rem;position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem;font-size:0.82rem;color:var(--text-dim);margin-bottom:2rem}
.breadcrumb a{color:var(--text-muted);text-decoration:none}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{color:var(--text-dim)}

.page-hero{margin-bottom:2.5rem;max-width:760px}
.page-badge{font-family:var(--mono);font-size:0.72rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--accent);margin-bottom:0.75rem;display:inline-flex;align-items:center;gap:0.5rem;padding:0.3rem 0.7rem;background:var(--accent-soft);border-radius:999px}
.page-title{font-size:clamp(2rem,4vw,2.75rem);font-weight:700;line-height:1.15;letter-spacing:-0.02em;margin-bottom:1rem}
.page-lead{font-size:1.05rem;color:var(--text-muted);line-height:1.75}

.detail-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:2rem;align-items:start}
.detail-main{display:flex;flex-direction:column;gap:1.5rem}
.detail-card{padding:1.5rem 1.6rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg)}
.detail-card h2{font-size:1.05rem;font-weight:600;margin-bottom:0.85rem;color:var(--text)}
.detail-card p,.detail-card li{font-size:0.92rem;color:var(--text-muted);line-height:1.7}
.detail-card p+p{margin-top:0.85rem}
.detail-list{list-style:none;display:flex;flex-direction:column;gap:0.55rem}
.detail-list li{padding-left:1.1rem;position:relative}
.detail-list li::before{content:'→';position:absolute;left:0;color:var(--accent);font-size:0.8rem}

.detail-sidebar{position:sticky;top:calc(var(--nav-h) + 1.5rem);display:flex;flex-direction:column;gap:1rem}
.sidebar-card{padding:1.35rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg)}
.sidebar-card h3{font-family:var(--mono);font-size:0.72rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem}
.meta-row{display:flex;justify-content:space-between;gap:1rem;padding:0.45rem 0;border-bottom:1px solid var(--border);font-size:0.85rem}
.meta-row:last-child{border-bottom:none}
.meta-row span{color:var(--text-dim)}
.meta-row strong{color:var(--text);font-weight:500;text-align:right}
.tag-row{display:flex;flex-wrap:wrap;gap:0.4rem;margin-top:0.25rem}
.related-links{display:flex;flex-direction:column;gap:0.5rem}
.related-links a{font-size:0.85rem;color:var(--text-muted);text-decoration:none;padding:0.55rem 0.65rem;border-radius:8px;border:1px solid var(--border);transition:all 0.2s}
.related-links a:hover{color:var(--accent);border-color:var(--accent-border);background:var(--accent-soft)}

.feedback-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.25rem}
.feedback-card{
  padding:1.35rem 1.4rem;background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);transition:border-color 0.2s,transform 0.2s;display:flex;flex-direction:column;gap:0.75rem;
}
.feedback-card:hover{border-color:var(--accent-border);transform:translateY(-2px)}
.feedback-top{display:flex;align-items:flex-start;gap:0.85rem}
.feedback-avatar{
  width:42px;height:42px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),#6366F1);display:grid;place-items:center;
  font-weight:600;font-size:0.95rem;color:#fff;
}
.feedback-name{font-size:0.95rem;font-weight:600;line-height:1.3}
.feedback-role{font-size:0.78rem;color:var(--text-dim);margin-top:0.15rem}
.feedback-stars{margin-left:auto;display:flex;gap:0.1rem;flex-shrink:0}
.star{color:var(--text-dim);font-size:0.85rem}
.star.filled{color:#FBBF24}
.feedback-context{
  font-family:var(--mono);font-size:0.68rem;letter-spacing:0.06em;text-transform:uppercase;
  color:var(--accent);padding:0.25rem 0.55rem;background:var(--accent-soft);border-radius:999px;align-self:flex-start;
}
.feedback-text{font-size:0.9rem;color:var(--text-muted);line-height:1.65;font-style:italic;flex:1}
.feedback-date{font-family:var(--mono);font-size:0.68rem;color:var(--text-dim)}
.feedback-actions{display:flex;flex-wrap:wrap;gap:0.75rem;margin-top:2rem;align-items:center}
.feedback-actions p{font-size:0.92rem;color:var(--text-muted);margin-right:auto}

.feedback-form{max-width:640px;display:flex;flex-direction:column;gap:1rem}
.form-group{display:flex;flex-direction:column;gap:0.4rem}
.form-label{font-family:var(--mono);font-size:0.68rem;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-dim)}
.form-input,.form-textarea,.form-select{
  width:100%;padding:0.75rem 0.9rem;border-radius:var(--radius);
  background:var(--bg-card);border:1px solid var(--border);color:var(--text);
  font-family:var(--font);font-size:0.9rem;outline:none;transition:border-color 0.2s,box-shadow 0.2s;
}
.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--accent-border);box-shadow:0 0 0 3px var(--accent-soft)}
.form-textarea{min-height:140px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;width:0;pointer-events:none}
.star-input{display:flex;flex-direction:row-reverse;justify-content:flex-end;gap:0.25rem}
.star-input input{display:none}
.star-input label{font-size:1.5rem;color:var(--text-dim);cursor:pointer;transition:color 0.15s,transform 0.15s;line-height:1}
.star-input label:hover,.star-input label.selected{color:#FBBF24}
.star-input label:hover{transform:scale(1.1)}

.toast{
  position:fixed;bottom:1.5rem;right:1.5rem;z-index:200;
  padding:0.85rem 1.15rem;background:var(--bg-card);border:1px solid rgba(52,211,153,0.3);
  color:var(--success);border-radius:var(--radius);font-size:0.85rem;
  transform:translateY(80px);opacity:0;transition:all 0.35s;pointer-events:none;
}
.toast.show{transform:none;opacity:1}

footer{border-top:1px solid var(--border);padding:2rem 1.5rem;position:relative;z-index:1}
.footer-inner{max-width:var(--max);margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.footer-note{font-size:0.82rem;color:var(--text-dim)}
.footer-note span{color:var(--accent)}
.footer-links{display:flex;gap:0.75rem}
.footer-links a{width:36px;height:36px;display:grid;place-items:center;border-radius:8px;border:1px solid var(--border);color:var(--text-dim);text-decoration:none;font-family:var(--mono);font-size:0.7rem;transition:all 0.2s}
.footer-links a:hover{color:var(--accent);border-color:var(--accent-border)}

@media(max-width:960px){
  .nav-links,.status-pill{display:none}
  .nav-ham{display:flex}
  .detail-grid{grid-template-columns:1fr}
  .detail-sidebar{position:static}
  .form-row{grid-template-columns:1fr}
}