@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root{
  --primary:#10B981;--secondary:#34D399;--accent:#6366F1;
  --bg:#0A1A14;--surface:#122A1F;--surface2:#1A3829;
  --text:#ECFDF5;--text-dim:#6EE7B7;--border:#1F4E3A;
  --error:#EF4444;--warning:#FBBF24;--info:#38BDF8;
  --radius:12px;--font:'Inter',system-ui,sans-serif;
}

html{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6}
body{min-height:100vh;display:flex;flex-direction:column}

.header{padding:1.25rem 2rem;display:flex;align-items:center;gap:.75rem;border-bottom:1px solid var(--border);background:linear-gradient(135deg,rgba(16,185,129,.06),rgba(99,102,241,.04))}
.header h1{font-size:1.15rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.header p{font-size:.8rem;color:var(--text-dim)}

.main{flex:1;max-width:1000px;width:100%;margin:0 auto;padding:1.5rem}

.search-bar{display:flex;gap:.75rem;margin-bottom:1rem;flex-wrap:wrap}
.search-input{flex:1;min-width:200px;padding:.65rem 1rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:.88rem;outline:none;transition:border-color .2s;font-family:var(--font)}
.search-input:focus{border-color:var(--primary)}

.filters{display:flex;gap:.4rem;margin-bottom:1.5rem;flex-wrap:wrap}
.filter-btn{padding:.4rem .9rem;border-radius:var(--radius);font-size:.78rem;font-weight:600;cursor:pointer;border:1px solid var(--border);background:transparent;color:var(--text-dim);transition:all .2s;font-family:var(--font)}
.filter-btn:hover{background:var(--surface);color:var(--text)}
.filter-btn.active{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#0A1A14;border-color:transparent}

.status-grid{display:flex;flex-direction:column;gap:.75rem}

.status-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;cursor:pointer;transition:all .2s;animation:fadeIn .3s}
.status-card:hover{border-color:var(--primary);transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,.3)}
.status-card.expanded .card-details{display:block}
.card-header{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
.status-code{font-size:1.3rem;font-weight:800;font-variant-numeric:tabular-nums;min-width:48px}
.status-code.c1xx{color:var(--info)}
.status-code.c2xx{color:var(--primary)}
.status-code.c3xx{color:var(--warning)}
.status-code.c4xx{color:#FB923C}
.status-code.c5xx{color:var(--error)}
.status-name{font-size:.92rem;font-weight:600;flex:1}
.status-category{padding:.15rem .5rem;border-radius:6px;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.cat-info{background:rgba(56,189,248,.12);color:var(--info)}
.cat-success{background:rgba(16,185,129,.12);color:var(--primary)}
.cat-redirect{background:rgba(251,191,36,.12);color:var(--warning)}
.cat-client{background:rgba(251,146,60,.12);color:#FB923C}
.cat-server{background:rgba(239,68,68,.12);color:var(--error)}

.card-desc{font-size:.82rem;color:var(--text-dim);margin-top:.5rem}
.card-details{display:none;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border);animation:fadeIn .2s}
.detail-section{margin-bottom:1rem}
.detail-label{font-size:.72rem;font-weight:700;color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;margin-bottom:.35rem}
.detail-code{background:rgba(0,0,0,.3);border:1px solid var(--border);border-radius:8px;padding:.75rem;font-family:'Courier New',monospace;font-size:.8rem;color:var(--secondary);overflow-x:auto;white-space:pre;position:relative}
.detail-code .copy-btn{position:absolute;top:.4rem;right:.4rem;padding:.2rem .5rem;border-radius:6px;border:1px solid var(--border);background:var(--surface);cursor:pointer;font-size:.7rem;color:var(--text-dim);transition:all .15s;font-family:var(--font)}
.detail-code .copy-btn:hover{border-color:var(--primary);color:var(--primary)}
.retry-badge{display:inline-block;padding:.2rem .5rem;border-radius:6px;font-size:.72rem;font-weight:600}
.retry-yes{background:rgba(16,185,129,.1);color:var(--primary)}
.retry-no{background:rgba(239,68,68,.1);color:var(--error)}
.retry-conditional{background:rgba(251,191,36,.1);color:var(--warning)}
.best-practice{font-size:.82rem;color:var(--text-dim);background:rgba(99,102,241,.06);border:1px solid rgba(99,102,241,.15);border-radius:8px;padding:.6rem .85rem}

.toast{position:fixed;bottom:2rem;right:2rem;background:var(--surface);border:1px solid var(--primary);color:var(--primary);padding:.65rem 1.1rem;border-radius:var(--radius);font-size:.82rem;font-weight:500;z-index:200;transform:translateY(100px);opacity:0;transition:all .3s}
.toast.show{transform:translateY(0);opacity:1}

.stats-bar{display:flex;gap:1rem;margin-bottom:1rem;flex-wrap:wrap;font-size:.78rem;color:var(--text-dim)}
.stats-bar span{font-weight:600}

@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:768px){.header{padding:1rem;flex-wrap:wrap}.main{padding:1rem}}