/* ── Reset & Base ────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

body{
  background:#0b0e14;
  color:#c9d1d9;
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  padding:32px 20px;
  min-height:100vh;
}

/* ── Container ───────────────────────────────────── */
.container{
  max-width:1200px;
  margin:0 auto;
}

/* ── Header ──────────────────────────────────────── */
.header{
  margin-bottom:28px;
}

h1{
  font-size:26px;
  font-weight:700;
  color:#e6edf3;
  letter-spacing:-0.5px;
}

.subtitle{
  margin-top:8px;
  color:#7d8590;
  font-size:14px;
  line-height:1.5;
}

/* ── Textarea ────────────────────────────────────── */
textarea{
  width:100%;
  height:180px;
  background:#151b23;
  border:1px solid #30363d;
  border-radius:10px;
  padding:16px 18px;
  color:#e6edf3;
  font-size:14px;
  font-family:'Inter',monospace;
  resize:vertical;
  transition:border-color .2s,box-shadow .2s;
  outline:none;
}

textarea:focus{
  border-color:#388bfd;
  box-shadow:0 0 0 3px rgba(56,139,253,.15);
}

textarea::placeholder{
  color:#484f58;
}

/* ── Buttons ─────────────────────────────────────── */
.controls{
  display:flex;
  gap:12px;
  margin-top:16px;
  flex-wrap:wrap;
}

button{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 22px;
  border:none;
  border-radius:8px;
  font-family:'Inter',sans-serif;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background .15s,transform .1s,box-shadow .15s;
}

button:active{
  transform:scale(.97);
}

#checkBtn{
  background:linear-gradient(135deg,#238636,#2ea043);
  color:#fff;
  box-shadow:0 2px 8px rgba(35,134,54,.35);
}

#checkBtn:hover{
  background:linear-gradient(135deg,#2ea043,#3fb950);
  box-shadow:0 4px 14px rgba(35,134,54,.45);
}

.copy-btn{
  background:#21262d;
  color:#c9d1d9;
  border:1px solid #30363d !important;
}

.copy-btn:hover{
  background:#30363d;
  color:#e6edf3;
}

.copy-btn.copied{
  background:#238636;
  color:#fff;
  border-color:#238636 !important;
}

/* ── Progress ────────────────────────────────────── */
.progress-wrap{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:20px;
}

.progress-bar{
  flex:1;
  height:6px;
  background:#21262d;
  border-radius:3px;
  overflow:hidden;
}

.progress-fill{
  height:100%;
  width:0%;
  background:linear-gradient(90deg,#238636,#3fb950);
  border-radius:3px;
  transition:width .3s ease;
}

.progress-text{
  font-size:13px;
  color:#7d8590;
  white-space:nowrap;
  min-width:60px;
  text-align:right;
}

/* ── Table ────────────────────────────────────────── */
#tableWrap{
  margin-top:24px;
  overflow-x:auto;
  border:1px solid #30363d;
  border-radius:10px;
  background:#151b23;
}

table{
  width:100%;
  border-collapse:collapse;
  font-size:13px;
  white-space:nowrap;
}

thead th{
  position:sticky;
  top:0;
  background:#1c2129;
  color:#7d8590;
  font-weight:600;
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.6px;
  padding:12px 14px;
  text-align:left;
  border-bottom:1px solid #30363d;
  user-select:none;
}

tbody td{
  padding:10px 14px;
  border-bottom:1px solid rgba(48,54,61,.45);
  color:#c9d1d9;
  vertical-align:middle;
}

tbody tr{
  transition:background .12s;
}

tbody tr:hover{
  background:rgba(56,139,253,.06);
}

tbody tr:last-child td{
  border-bottom:none;
}

/* ── Status badges ───────────────────────────────── */
.badge{
  display:inline-block;
  padding:3px 10px;
  border-radius:20px;
  font-size:11px;
  font-weight:600;
  letter-spacing:.3px;
}

.badge-ok{
  background:rgba(63,185,80,.14);
  color:#3fb950;
}

.badge-bad{
  background:rgba(248,81,73,.14);
  color:#f85149;
}

.badge-cf{
  background:rgba(255,166,0,.12);
  color:#ffa600;
}

.badge-nocf{
  background:rgba(125,133,144,.12);
  color:#7d8590;
}

.badge-wait{
  background:rgba(139,148,158,.1);
  color:#8b949e;
  animation:pulse 1.2s infinite;
}

@keyframes pulse{
  0%,100%{opacity:1}
  50%{opacity:.4}
}

/* ── Links ───────────────────────────────────────── */
a{
  color:#58a6ff;
  text-decoration:none;
  transition:color .15s;
}

a:hover{
  color:#79c0ff;
  text-decoration:underline;
}

/* ── Row number ──────────────────────────────────── */
.row-num{
  color:#484f58;
  font-size:12px;
}

/* ── CF detail text ──────────────────────────────── */
.cf-detail{
  font-size:12px;
  color:#7d8590;
  max-width:260px;
  overflow:hidden;
  text-overflow:ellipsis;
}

/* ── Responsive ──────────────────────────────────── */
@media(max-width:700px){
  body{padding:16px 12px}
  h1{font-size:20px}
  table{font-size:12px}
  thead th,tbody td{padding:8px 10px}
}

/* ── Tabs ────────────────────────────────────────── */
.tabs{
  display:flex;
  gap:8px;
  margin-bottom:20px;
  border-bottom:1px solid #30363d;
  padding-bottom:12px;
}
.tab-btn{
  background:transparent;
  color:#7d8590;
  border:none;
  padding:8px 16px;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  border-radius:6px;
  transition:all .2s;
}
.tab-btn:hover{
  background:rgba(177,186,196,.12);
  color:#c9d1d9;
}
.tab-btn.active{
  background:#21262d;
  color:#e6edf3;
  box-shadow:inset 0 -2px 0 #388bfd;
}
.tab-content{
  display:none;
}
.tab-content.active{
  display:block;
}

/* ── SEO Cards ───────────────────────────────────── */
#seoResultsWrap{
  display:flex;
  flex-direction:column;
  gap:24px;
  margin-top:24px;
}
.seo-card{
  background:#151b23;
  border:1px solid #30363d;
  border-radius:12px;
  padding:20px;
}
.seo-card-header{
  font-size:16px;
  font-weight:600;
  color:#e6edf3;
  margin-bottom:20px;
  display:flex;
  align-items:center;
  gap:8px;
  word-break:break-all;
}
.seo-metrics{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:16px;
  margin-bottom:24px;
}
.seo-metric{
  background:#0d1117;
  border:1px solid #30363d;
  border-radius:8px;
  padding:16px;
}
.seo-metric-label{
  font-size:11px;
  color:#7d8590;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.5px;
  margin-bottom:8px;
}
.seo-metric-value{
  font-size:24px;
  font-weight:700;
  color:#e6edf3;
}
.color-green{color:#3fb950;}
.color-red{color:#f85149;}
.color-wait{color:#8b949e;animation:pulse 1.2s infinite;}

.seo-columns{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:24px;
  border-top:1px solid #30363d;
  padding-top:20px;
}
.seo-col h4{
  font-size:12px;
  color:#7d8590;
  text-transform:uppercase;
  letter-spacing:.5px;
  margin-bottom:12px;
}
.seo-list{
  list-style:none;
}
.seo-list li{
  font-size:13px;
  color:#c9d1d9;
  margin-bottom:8px;
  display:flex;
  align-items:center;
  gap:8px;
}
.seo-icon{
  width:16px;
  height:16px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  font-size:10px;
}
.seo-icon.check{color:#3fb950;}
.seo-icon.cross{color:#f85149;}
.seo-icon.wait{color:#8b949e;}