:root {
  --bg:        #111e35;
  --bg-card:   #172440;
  --bg-input:  #1a2d4a;
  --bg-deep:   #0e1928;
  --border:    #233552;
  --border-lt: #2e4a6e;
  --text-hi:   #f0f5ff;
  --text-md:   #b8cfea;
  --text-lo:   #7d9fc0;
  --text-dim:  #4e6f90;
  --blue:      #3b82f6;
  --blue-dk:   #1d4ed8;
  --indigo:    #6366f1;
  --green:     #22c55e;
  --red:       #f87171;
  --yellow:    #fbbf24;
  --orange:    #fb923c;
  --purple:    #a78bfa;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Be Vietnam Pro',sans-serif;
  background:var(--bg);
  color:var(--text-md);
  min-height:100vh;
  font-size:15px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit}
input,select,textarea{font-family:inherit}

::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:var(--bg-deep)}
::-webkit-scrollbar-thumb{background:#2d4a6a;border-radius:4px}

/* ── PAGE LAYOUT ── */
.page{max-width:1080px;margin:0 auto;padding:20px 20px 60px}

/* ── HEADER ── */
.site-header{text-align:center;margin-bottom:18px}
.site-title{font-family:'Be Vietnam Pro',sans-serif;font-size:36px;font-weight:800;color:var(--text-hi);letter-spacing:-.01em}
.site-title span{color:var(--blue)}
.site-sub{font-size:13px;color:var(--text-lo);letter-spacing:.04em;text-transform:uppercase}

/* ── MAIN CARD ── */
.main-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 24px 64px rgba(0,0,0,.45);
}

/* ── TAB BAR ── */
.tab-bar{display:grid;grid-template-columns:1fr 1fr 1fr;border-bottom:2px solid var(--border)}
.tab-btn{
  padding:14px 20px;
  font-family:'Be Vietnam Pro',sans-serif;
  font-size:14px;font-weight:700;
  letter-spacing:.04em;text-transform:uppercase;
  color:var(--text-lo);
  background:transparent;border:none;
  border-bottom:3px solid transparent;
  margin-bottom:-2px;
  transition:all .22s;
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.tab-btn:hover{color:var(--text-md);background:rgba(255,255,255,.03)}
.tab-btn.on      {color:var(--blue);  border-bottom-color:var(--blue);  background:rgba(59,130,246,.06)}
.tab-btn.on-indigo{color:var(--indigo);border-bottom-color:var(--indigo);background:rgba(99,102,241,.06)}
.tab-btn.on-orange{color:var(--orange);border-bottom-color:var(--orange);background:rgba(251,146,60,.06)}

.tab-pane{display:none}
.tab-pane.on{display:block}

/* ── SECTION ── */
.section{padding:18px 24px;border-bottom:1px solid var(--border)}
.sec-label{
  font-family:'Be Vietnam Pro',sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--text-lo);margin-bottom:12px;
  display:flex;align-items:center;gap:8px;
}
.sec-label::after{content:'';flex:1;height:1px;background:var(--border)}

/* ── INPUTS ── */
.inp{
  width:100%;
  background:var(--bg-input);
  border:1.5px solid var(--border-lt);
  border-radius:10px;
  padding:11px 14px;
  font-size:15px;
  color:var(--text-hi);
  outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.inp:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.inp::placeholder{color:var(--text-dim)}
select.inp{cursor:pointer}
select.inp option{background:#1a2d45;color:var(--text-hi)}
textarea.inp{resize:vertical;line-height:1.7;font-size:14px}

/* ── API LAYOUT ── */
.api-layout{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;
  background:rgba(59,130,246,.06);border:1px solid rgba(59,130,246,.2);border-radius:12px;overflow:hidden}
.api-info{padding:14px 18px;border-right:1px solid rgba(59,130,246,.18);font-size:13px;line-height:1.65}
.api-info-title{font-size:11px;font-weight:700;color:var(--text-lo);margin-bottom:9px;text-transform:uppercase;letter-spacing:.07em;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.api-info-title a{color:#60a5fa;font-weight:600;text-decoration:underline;font-size:13.5px;text-transform:none;letter-spacing:0}
.api-info-item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-md);margin-top:5px}
.api-info-item strong{color:var(--text-hi)}
.api-right{display:flex;flex-direction:column;gap:10px;justify-content:center;padding:14px 18px}
.api-input-row{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}
.key-chips{display:flex;flex-wrap:wrap;gap:6px;min-height:20px}
.key-chip{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:600;
  background:rgba(59,130,246,.14);color:#93c5fd;
  border:1px solid rgba(59,130,246,.3);
  padding:4px 12px;border-radius:99px;
  cursor:pointer;transition:all .15s;font-family:monospace;
}
.key-chip:hover{background:rgba(239,68,68,.12);color:var(--red);border-color:rgba(239,68,68,.35)}
.no-key{font-size:13px;color:var(--text-dim);font-style:italic;padding:2px 0}

/* ── CONFIG BOXES ── */
.cfg-input-layout{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:stretch}
.cfg-box{background:var(--bg-input);border:1.5px solid var(--border-lt);border-radius:11px;padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.cfg-box-label{font-size:10px;font-weight:700;color:var(--text-lo);text-transform:uppercase;letter-spacing:.09em;margin-bottom:2px;display:flex;align-items:center;gap:6px}
.cfg-box-label::after{content:'';flex:1;height:1px;background:var(--border-lt)}
.cfg-label{font-size:13px;font-weight:600;color:var(--text-md);margin-bottom:8px;display:block}

/* ── RADIO PILLS ── */
.radio-pill{
  flex:1;display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:10px;
  border:1.5px solid var(--border-lt);
  cursor:pointer;transition:all .18s;
  background:var(--bg-input);
}
.radio-pill:hover{border-color:#3a5a80}
.radio-pill.on{border-color:var(--blue);background:rgba(59,130,246,.1)}
.radio-pill input{accent-color:var(--blue);flex-shrink:0;width:16px;height:16px}
.rp-text{font-size:14px;font-weight:600;color:var(--text-md)}
.rp-sub{font-size:12px;color:var(--text-dim);margin-top:1px}
.radio-pill.on .rp-text{color:var(--text-hi)}
.radio-pill.on .rp-sub{color:var(--text-lo)}

/* ── TEXTAREA HEADER ── */
.ta-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.ta-count{font-size:13px;font-weight:600;color:var(--text-lo);font-family:monospace}
.clear-btn{
  font-size:13px;font-weight:600;
  color:var(--text-dim);background:var(--bg-input);
  border:1.5px solid var(--border);border-radius:8px;
  padding:4px 12px;transition:all .15s;
}
.clear-btn:hover{color:var(--red);border-color:rgba(239,68,68,.35);background:rgba(239,68,68,.06)}

/* ── FILE DROP ── */
.file-drop-zone{
  border:2px dashed var(--border-lt);border-radius:12px;
  padding:26px 20px;display:flex;flex-direction:column;
  align-items:center;gap:8px;cursor:pointer;
  transition:border-color .2s;color:var(--text-dim);text-align:center;
}
.file-drop-zone:hover{border-color:#3a5a80}
.file-drop-title{font-size:14px;font-weight:600;color:var(--text-lo)}
.file-drop-sub{font-size:12px}

/* ── DOMAIN ROW ── */
.domain-row{display:grid;grid-template-columns:1fr 150px 150px;gap:10px;align-items:end}

/* ── ACTION ROW ── */
.action-row{padding:16px 24px}
.btn-run{
  width:100%;padding:13px;
  font-family:'Be Vietnam Pro',sans-serif;font-size:15px;font-weight:700;
  border-radius:12px;border:none;color:#fff;
  display:flex;align-items:center;justify-content:center;gap:9px;
  transition:all .2s;letter-spacing:.02em;
}
.btn-run:active{transform:scale(.985)}
.btn-run:disabled{opacity:.4;cursor:not-allowed;transform:none!important;filter:none!important;box-shadow:none!important}
.btn-run-blue  {background:linear-gradient(135deg,var(--blue-dk),var(--blue));  box-shadow:0 4px 18px rgba(59,130,246,.3)}
.btn-run-indigo{background:linear-gradient(135deg,#3730a3,var(--indigo));        box-shadow:0 4px 18px rgba(99,102,241,.3)}
.btn-run-orange{background:linear-gradient(135deg,#c2410c,var(--orange));        box-shadow:0 4px 18px rgba(251,146,60,.3)}
.btn-run-blue:hover:not(:disabled)  {box-shadow:0 6px 26px rgba(59,130,246,.45); filter:brightness(1.07)}
.btn-run-indigo:hover:not(:disabled){box-shadow:0 6px 26px rgba(99,102,241,.45); filter:brightness(1.07)}
.btn-run-orange:hover:not(:disabled){box-shadow:0 6px 26px rgba(251,146,60,.45); filter:brightness(1.07)}

.btn-save-blue  {background:linear-gradient(135deg,var(--blue-dk),var(--blue));  color:#fff;border:none;border-radius:10px;padding:11px 18px;font-size:14px;font-weight:700;transition:all .18s;white-space:nowrap}
.btn-save-indigo{background:linear-gradient(135deg,#3730a3,var(--indigo));        color:#fff;border:none;border-radius:10px;padding:11px 18px;font-size:14px;font-weight:700;transition:all .18s;white-space:nowrap}
.btn-save-orange{background:linear-gradient(135deg,#c2410c,var(--orange));        color:#fff;border:none;border-radius:10px;padding:11px 18px;font-size:14px;font-weight:700;transition:all .18s;white-space:nowrap}
.btn-save-blue:hover,.btn-save-indigo:hover,.btn-save-orange:hover{filter:brightness(1.1)}

/* ── RESULTS ── */
.results-section{display:none;border-top:1px solid var(--border)}
.results-section.has-data{display:block}

/* ── STATS ── */
.stats-row{display:grid;gap:1px;background:var(--border)}
.idx-stats {grid-template-columns:repeat(4,1fr)}
.rank-stats{grid-template-columns:repeat(5,1fr)}
.serp-stats{grid-template-columns:repeat(4,1fr)}
.stat-box{background:var(--bg-card);padding:16px 12px;text-align:center}
.stat-val{font-family:'Be Vietnam Pro',sans-serif;font-size:30px;font-weight:700;line-height:1;margin-bottom:4px}
.stat-lbl{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-lo)}

/* ── PROGRESS ── */
.prog-section{padding:13px 24px;border-bottom:1px solid var(--border);display:none;background:rgba(0,0,0,.1)}
.prog-section.on{display:block}
.prog-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.prog-text{font-size:13px;color:var(--text-lo);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:78%}
.prog-pct{font-size:13px;font-weight:700;color:var(--blue)}
.prog-track{height:7px;background:var(--bg-deep);border-radius:99px;overflow:hidden}
.prog-fill{height:100%;border-radius:99px;transition:width .4s ease;background:linear-gradient(90deg,var(--blue-dk),var(--blue))}
.prog-fill.done{background:linear-gradient(90deg,#059669,#22c55e)}

/* ── RESULTS TOOLBAR ── */
.results-toolbar{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:8px;padding:10px 18px;
  border-bottom:1px solid var(--border);background:rgba(0,0,0,.08);
}
.filter-row{display:flex;gap:5px;flex-wrap:wrap}
.fc{padding:5px 12px;border-radius:7px;font-size:13px;font-weight:600;color:var(--text-dim);background:transparent;border:1px solid transparent;transition:all .15s}
.fc:hover{color:var(--text-md);border-color:var(--border-lt)}
.fc.on{color:#93c5fd;background:rgba(59,130,246,.12);border-color:rgba(59,130,246,.3)}
.action-btns{display:flex;gap:5px}
.ab{display:flex;align-items:center;gap:5px;font-size:13px;font-weight:600;padding:6px 12px;border-radius:7px;background:var(--bg-input);border:1.5px solid var(--border-lt);color:var(--text-lo);transition:all .15s}
.ab:hover{color:var(--text-hi)}
.ab.danger:hover{border-color:rgba(239,68,68,.4);color:var(--red);background:rgba(239,68,68,.07)}

/* ── TABLE ── */
.table-wrap{overflow-x:auto;max-height:480px;overflow-y:auto}
table{width:100%;border-collapse:collapse}
thead th{background:rgba(0,0,0,.15);padding:11px 16px;font-size:11px;font-weight:700;color:var(--text-lo);text-transform:uppercase;letter-spacing:.07em;text-align:left;position:sticky;top:0;z-index:5;white-space:nowrap;border-bottom:1px solid var(--border)}
tbody tr{border-bottom:1px solid rgba(255,255,255,.04);transition:background .15s}
tbody tr:hover{background:rgba(255,255,255,.03)}
tbody td{padding:11px 16px;vertical-align:middle}
.td-num{color:var(--text-dim);font-size:12px;font-family:monospace;white-space:nowrap}
.td-url{word-break:break-all;font-size:13px;color:var(--text-lo);user-select:all}
.td-kw{font-size:15px;font-weight:600;color:var(--text-hi)}

/* ── BADGES ── */
.badge{display:inline-block;padding:5px 13px;border-radius:7px;font-size:12px;font-weight:700;white-space:nowrap}
.b-indexed{background:rgba(34,197,94,.1); color:#4ade80;border:1px solid rgba(34,197,94,.22)}
.b-noindex{background:rgba(239,68,68,.1); color:#f87171;border:1px solid rgba(239,68,68,.22)}
.b-error  {background:rgba(234,179,8,.1); color:#fbbf24;border:1px solid rgba(234,179,8,.22)}
.b-wait   {background:rgba(71,85,105,.18);color:#94a3b8; border:1px solid rgba(71,85,105,.3)}
.b-checking{background:rgba(59,130,246,.1);color:#93c5fd;border:1px solid rgba(59,130,246,.22)}
.b-top3   {background:rgba(251,191,36,.12);color:#fbbf24;border:1px solid rgba(251,191,36,.25)}
.b-top10  {background:rgba(34,197,94,.1); color:#4ade80;border:1px solid rgba(34,197,94,.22)}
.b-top20  {background:rgba(59,130,246,.1);color:#93c5fd;border:1px solid rgba(59,130,246,.22)}
.b-out    {background:rgba(71,85,105,.18);color:#94a3b8; border:1px solid rgba(71,85,105,.3)}
.b-na     {background:rgba(239,68,68,.1); color:#f87171;border:1px solid rgba(239,68,68,.22)}

/* ── SERP BUTTON ── */
.serp-btn{background:var(--bg-input);border:1.5px solid var(--border-lt);border-radius:8px;padding:5px 12px;cursor:pointer;color:var(--text-lo);font-size:13px;font-weight:600;transition:all .15s;font-family:'Be Vietnam Pro',sans-serif;white-space:nowrap}
.serp-btn:hover{color:var(--text-hi);border-color:#3a5a80}

/* ── MODAL ── */
#modal-bg{display:none;position:fixed;inset:0;z-index:900;background:rgba(0,0,0,.78);backdrop-filter:blur(6px);align-items:center;justify-content:center}
#modal-bg.on{display:flex}
.modal-box{background:var(--bg-card);border:1px solid var(--border-lt);border-radius:18px;width:100%;max-width:660px;max-height:85vh;overflow-y:auto;margin:16px;padding:26px}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.modal-title{font-family:'Be Vietnam Pro',sans-serif;font-weight:700;color:var(--text-hi);font-size:16px}
.modal-close{background:var(--bg-input);border:1.5px solid var(--border-lt);border-radius:9px;padding:7px 14px;color:var(--text-lo);font-size:14px;font-weight:600;transition:all .15s}
.modal-close:hover{color:var(--red);border-color:rgba(239,68,68,.35)}
.serp-item{padding:14px 15px;border-radius:11px;margin-bottom:9px}
.serp-mine {background:rgba(59,130,246,.07);border:1px solid rgba(59,130,246,.22)}
.serp-other{background:rgba(255,255,255,.02);border:1px solid var(--border)}

/* ── TOAST ── */
#toast{position:fixed;bottom:24px;right:24px;z-index:999;background:var(--bg-card);border:1px solid rgba(34,197,94,.32);border-radius:14px;padding:13px 20px;display:flex;align-items:center;gap:11px;min-width:250px;box-shadow:0 12px 36px rgba(0,0,0,.5);transform:translateY(72px);opacity:0;transition:all .35s cubic-bezier(.175,.885,.32,1.275)}
#toast.on{transform:translateY(0);opacity:1}
.toast-dot{width:9px;height:9px;background:#22c55e;border-radius:50%;flex-shrink:0;box-shadow:0 0 9px #22c55e}
#toast-msg{font-size:14px;color:var(--text-hi);font-weight:500}

/* ── DOMAIN FILTER TAGS ── */
.domain-tag{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:99px;font-size:12px;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:all .15s;background:var(--bg-input);color:var(--text-lo)}
.domain-tag:hover{color:var(--text-hi);border-color:var(--border-lt)}
.domain-tag.active{color:#fff;border-color:transparent}
.domain-tag .dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}

/* ── SERP TABLE ── */
.serp-domain-cell{display:flex;align-items:center;gap:7px}
.domain-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}

/* ── COMPARE GRID ── */
.compare-grid{display:grid;grid-template-columns:220px 1fr;gap:0;min-height:300px}
.compare-sidebar{background:rgba(0,0,0,.12);border-right:1px solid var(--border);padding:14px;overflow-y:auto;max-height:500px}
.compare-main{overflow-x:auto;overflow-y:auto;max-height:500px}
.cmp-kw-item{padding:8px 12px;border-radius:8px;font-size:13px;color:var(--text-md);cursor:pointer;transition:background .15s;border:1px solid transparent}
.cmp-kw-item:hover{background:rgba(255,255,255,.04)}
.cmp-kw-item.on{background:rgba(59,130,246,.1);border-color:rgba(59,130,246,.2);color:var(--text-hi)}
.cmp-kw-item .pos-pill{font-size:11px;font-weight:700;padding:2px 8px;border-radius:99px;margin-left:auto}

/* ── FREQUENCY BAR ── */
.freq-bar-wrap{display:flex;align-items:center;gap:10px}
.freq-bar{height:8px;border-radius:99px;background:var(--orange);min-width:4px;transition:width .4s}
.freq-count{font-size:13px;font-weight:700;color:var(--orange);min-width:24px;text-align:right}

/* ══════════ RESPONSIVE ══════════ */
@media(max-width:860px){
  .domain-row{grid-template-columns:1fr 1fr}
  .domain-row>div:first-child{grid-column:1/-1}
  .api-layout{grid-template-columns:1fr}
  .api-info{border-right:none;border-bottom:1px solid rgba(59,130,246,.18)}
  .cfg-input-layout{grid-template-columns:1fr}
}
@media(max-width:640px){
  .page{padding:16px 14px 60px}
  .site-title{font-size:24px}
  .tab-btn{font-size:11px;padding:12px 6px;gap:4px;letter-spacing:.01em}
  .section{padding:14px}
  .action-row{padding:14px}
  .radio-pill{flex-direction:column;gap:6px}
  .domain-row{grid-template-columns:1fr}
  .idx-stats {grid-template-columns:repeat(2,1fr)}
  .rank-stats{grid-template-columns:repeat(3,1fr)}
  .serp-stats{grid-template-columns:repeat(2,1fr)}
  .stat-box{padding:16px 10px}
  .stat-val{font-size:26px}
  .results-toolbar{flex-direction:column;align-items:flex-start;padding:12px 16px}
  .compare-grid{grid-template-columns:1fr}
  .compare-sidebar{border-right:none;border-bottom:1px solid var(--border);max-height:200px}
  .modal-box{padding:18px 16px;margin:12px}
}
@media(max-width:420px){
  .rank-stats{grid-template-columns:repeat(2,1fr)}
  .rank-stats .stat-box:last-child{display:none}
  .idx-stats .stat-box:last-child{display:none}
}