:root{
  --bg: #FBFCFD;
  --white: #fff;
  --border: #E6EAEF;
  --border-soft: #EEF1F5;
  --text: #11151A;
  --text-dim: #5B6573;
  --text-faint: #A7B0BC;
  --text-mono-faint: #8B95A3;
  --blue: #3358D4;
  --blue-light: #5B8CFF;
  --blue-bg: #EAEEFC;
  --blue-row-bg: #F5F8FF;
  --amber: #F4B740;
  --amber-text: #B5832A;
  --amber-bg: #FEF3D8;
  --green: #18A058;
  --green-bg: #E5F4EC;
  --dark: #0E1116;
  --dark-dim: #A7B0BC;
  --success: #6FCF97;
  --danger-soft: #D7263D;

  --font-ui: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*{box-sizing:border-box}

html,body{height:100%}

body{
  margin:0;
  background:var(--bg);
  font-family:var(--font-ui);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}

button{font:inherit;cursor:pointer;background:none;border:none;color:inherit;text-align:left}
button:focus-visible, [tabindex]:focus-visible{outline:2px solid var(--blue);outline-offset:1px}

[hidden]{display:none !important}

.app{
  display:flex;
  height:100vh;
  width:100%;
  overflow:hidden;
}

/* ===================== SIDEBAR ===================== */

.sidebar{
  width:236px;
  flex:none;
  background:var(--white);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
}

.brand{
  padding:20px 18px 16px;
  display:flex;
  align-items:center;
  gap:11px;
}

.brand-mark{
  width:34px;height:34px;
  border-radius:9px;
  background:var(--blue);
  padding:6px;
  display:flex;flex-direction:column;gap:3px;
  box-shadow:0 3px 8px rgba(51,88,212,.3);
}
.brand-mark-row{height:6px;border-radius:2px;background:#fff;display:flex;gap:3px;flex:1}
.brand-mark-row--full{flex:none;height:6px}
.brand-mark-cell{flex:1;border-radius:2px;background:rgba(255,255,255,.9)}
.brand-mark-cell--dim{background:rgba(255,255,255,.55)}
.brand-mark-cell--bright{background:rgba(255,255,255,.9)}

.brand-name{font:700 19px/1 var(--font-ui);color:var(--text);letter-spacing:-.02em}

.new-import-wrap{padding:4px 16px 16px}

.btn-new-import{
  width:100%;
  display:flex;align-items:center;justify-content:center;gap:7px;
  padding:10px;border-radius:9px;
  background:var(--blue);color:#fff;
  font:600 12.5px/1 var(--font-ui);
  box-shadow:0 4px 12px rgba(51,88,212,.26);
  transition:filter .15s ease, transform .1s ease;
}
.btn-new-import:hover{filter:brightness(1.06)}
.btn-new-import:active{transform:translateY(1px)}
.btn-new-import .plus{font-size:15px;line-height:1}

.nav{padding:6px 12px;display:flex;flex-direction:column;gap:2px}

.nav-label{
  font:600 10px/1 var(--font-mono);color:var(--text-faint);
  letter-spacing:.08em;padding:8px 10px 6px;text-transform:uppercase;
}

.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 11px;border-radius:8px;
  color:var(--text-dim);font:500 13px/1 var(--font-ui);
  width:100%;
  transition:background .12s ease, color .12s ease;
}
.nav-item:hover{background:#F4F7FB}
.nav-item .nav-dot{width:7px;height:7px;border-radius:2px;background:#C3CAD5;flex:none}
.nav-item.is-active{background:var(--blue-bg);color:var(--blue);font-weight:600}
.nav-item.is-active .nav-dot{background:var(--blue)}

.dataset-list{
  padding:10px 12px;border-top:1px solid var(--border-soft);
  margin-top:8px;display:flex;flex-direction:column;gap:1px;overflow:hidden;
}

.dataset-item{
  display:flex;align-items:center;gap:9px;
  padding:8px 11px;border-radius:8px;
  font:400 12px/1 var(--font-mono);color:var(--text-dim);
  width:100%;
  transition:background .12s ease;
}
.dataset-item:hover{background:#F4F7FB}
.dataset-item .dataset-dot{width:6px;height:6px;border-radius:50%;background:#C3CAD5;flex:none}
.dataset-item.is-active{background:#F4F7FB;font-weight:600;color:var(--text)}
.dataset-item.is-active .dataset-dot,
.dataset-dot--active{background:var(--blue)}

.user-row{
  margin-top:auto;padding:14px 16px;border-top:1px solid var(--border-soft);
  display:flex;align-items:center;gap:10px;
}
.user-avatar{
  width:28px;height:28px;border-radius:50%;background:var(--text);
  color:var(--blue-light);display:flex;align-items:center;justify-content:center;
  font:700 11px/1 var(--font-ui);flex:none;
}
.user-meta{line-height:1.3}
.user-name{font:600 12px/1 var(--font-ui);color:var(--text)}
.user-org{font:400 10px/1 var(--font-ui);color:var(--text-faint);margin-top:3px}
.settings-btn{
  margin-left:auto;color:var(--text-faint);font-size:16px;
  width:26px;height:26px;border-radius:7px;display:flex;align-items:center;justify-content:center;
  transition:background .12s ease, color .12s ease;
}
.settings-btn:hover{background:#F4F7FB;color:var(--text-dim)}

/* ===================== MAIN ===================== */

.main{
  flex:1;min-width:0;
  display:flex;flex-direction:column;
  position:relative;
}

.workspace{flex:1;min-height:0;display:flex;flex-direction:column}

.topbar{
  padding:16px 22px;border-bottom:1px solid var(--border);
  background:var(--white);display:flex;align-items:center;gap:18px;flex:none;
}
.topbar-title{min-width:0}
.dataset-title{font:700 16px/1 var(--font-ui);color:var(--text);letter-spacing:-.01em}
.dataset-meta{margin-top:6px;font:400 11px/1 var(--font-mono);color:var(--text-mono-faint)}

.pipeline{
  margin-left:auto;display:flex;align-items:center;gap:9px;
  font:600 11px/1 var(--font-ui);color:var(--text-faint);
}
.pipeline-step{display:flex;align-items:center;gap:6px}
.pipeline-step--done{color:var(--text)}
.pipeline-check{
  width:16px;height:16px;border-radius:50%;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:9px;flex:none;
}
.pipeline-step--active{color:var(--blue);background:var(--blue-bg);padding:7px 14px;border-radius:999px}
.pipeline-step--link{
  border-radius:999px;padding:7px 10px;transition:background .12s ease, color .12s ease;
}
.pipeline-step--link:hover{background:var(--border-soft);color:var(--text-dim)}
.pipeline-bar{width:26px;height:2px;background:var(--border);border-radius:2px}
.pipeline-bar--done{background:var(--blue)}

.grid-scroll{flex:1;overflow:auto;background:var(--bg)}

.grid{font:500 12px/1 var(--font-ui);color:#3A424E;min-width:100%}

.grid-row{
  display:grid;
  grid-template-columns:1.7fr 1.4fr 1.1fr .9fr .8fr .8fr;
  border-bottom:1px solid var(--border-soft);
  transition:background .25s ease;
}
.grid-row--head{
  background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:1;
}
.grid-row--flagged{background:var(--blue-row-bg)}

.cell{padding:11px 16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cell--head{padding:12px 16px}
.cell--mono{font-family:var(--font-mono)}
.cell--flag{color:var(--blue);transition:color .25s ease}
.cell--flag.is-clean{color:inherit}

.col-name{font:600 12px/1 var(--font-ui);color:var(--text);display:flex;align-items:center;gap:6px}
.col-type{margin-top:5px;font:400 9px/1 var(--font-mono);color:var(--text-faint)}
.col-type--flag{color:var(--amber)}
.col-type--flag.is-clean{color:var(--text-faint)}

.col-flag{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block;transition:background .25s ease}
.col-flag.is-clean{background:var(--green)}

.trim-marker{margin-left:5px;font:400 9px/1 var(--font-mono);color:#8FA6E8}
.warn{transition:opacity .2s ease}
.warn.is-hidden{display:none}

.cell--flag.is-previewing{outline:2px solid var(--amber);outline-offset:-2px;background:var(--amber-bg);border-radius:4px}

/* push bar */
.push-bar{
  padding:13px 22px;border-top:1px solid var(--border);
  background:var(--dark);display:flex;align-items:center;gap:14px;flex:none;
}
.push-ready{font:500 11px/1 var(--font-mono);color:var(--success)}
.push-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.push-to-label{font:500 10px/1 var(--font-mono);color:var(--dark-dim)}

.dest-chips{display:flex;gap:8px}
.dest-chip{
  padding:7px 13px;border-radius:8px;
  background:rgba(255,255,255,.07);color:var(--dark-dim);
  font:600 11px/1 var(--font-ui);border:1px solid transparent;
  transition:background .15s ease, color .15s ease, border-color .15s ease;
}
.dest-chip:hover{background:rgba(255,255,255,.12)}
.dest-chip.is-selected{
  background:rgba(91,140,255,.18);color:var(--blue-light);
  border-color:rgba(91,140,255,.35);
}

.btn-apply-push{
  margin-left:6px;padding:9px 17px;border-radius:9px;
  background:var(--blue);color:#fff;font:700 11.5px/1 var(--font-ui);
  box-shadow:0 4px 14px rgba(51,88,212,.4);
  transition:filter .15s ease, opacity .15s ease, transform .1s ease;
}
.btn-apply-push:hover{filter:brightness(1.08)}
.btn-apply-push:active{transform:translateY(1px)}
.btn-apply-push[disabled]{opacity:.6;cursor:default;filter:none}
.btn-apply-push.is-success{background:var(--green);box-shadow:0 4px 14px rgba(24,160,88,.4)}

/* empty nav panel */
.empty-panel{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;text-align:center;background:var(--bg);
}
.empty-panel-title{font:700 18px/1 var(--font-ui);color:var(--text)}
.empty-panel-body{font:400 12.5px/1.5 var(--font-ui);color:var(--text-dim);max-width:280px;margin:0}

/* ===================== INSPECTOR ===================== */

.inspector{
  width:292px;flex:none;background:var(--white);
  border-left:1px solid var(--border);display:flex;flex-direction:column;
}

.inspector-head{
  padding:18px 20px 14px;border-bottom:1px solid var(--border-soft);
  display:flex;align-items:center;gap:10px;
}
.inspector-title{font:700 14px/1 var(--font-ui);color:var(--text)}
.inspector-badge{
  margin-left:auto;padding:4px 9px;border-radius:999px;
  background:var(--amber-bg);color:var(--amber-text);font:700 10px/1 var(--font-ui);
  transition:opacity .2s ease;
}
.inspector-badge.is-zero{background:var(--green-bg);color:var(--green)}

.fix-list{padding:14px 16px;display:flex;flex-direction:column;gap:10px;flex:1;overflow:auto}

.fix-card{
  border:1px solid var(--border);border-radius:11px;padding:13px 14px;
  transition:opacity .2s ease, transform .2s ease;
}
.fix-card.is-removing{opacity:0;transform:translateX(8px);pointer-events:none}

.fix-title{font:600 12.5px/1.3 var(--font-ui);color:var(--text)}
.fix-meta{margin-top:6px;font:400 10.5px/1.4 var(--font-mono);color:var(--text-mono-faint)}
.fix-actions{margin-top:11px;display:flex;gap:7px}

.btn-apply-fix{
  padding:7px 14px;border-radius:8px;background:var(--blue);color:#fff;
  font:600 11px/1 var(--font-ui);transition:filter .15s ease;
}
.btn-apply-fix:hover{filter:brightness(1.08)}

.btn-preview-fix{
  padding:7px 12px;border-radius:8px;border:1px solid #DCE2EB;color:var(--text-dim);
  font:600 11px/1 var(--font-ui);transition:background .15s ease;
}
.btn-preview-fix:hover{background:#F4F7FB}

.empty-fixes{
  font:500 12px/1.5 var(--font-ui);color:var(--text-dim);
  padding:18px 2px;text-align:center;
}

.applied-label{
  margin-top:6px;font:600 10px/1 var(--font-mono);color:var(--text-faint);
  letter-spacing:.08em;padding:4px 2px;text-transform:uppercase;
}
.applied-list{display:flex;flex-direction:column;gap:1px}
.applied-item{
  display:flex;align-items:center;gap:9px;padding:7px 2px;
  font:500 11.5px/1 var(--font-ui);color:var(--text-dim);
}
.applied-check{
  width:15px;height:15px;border-radius:50%;background:var(--green-bg);color:var(--green);
  display:flex;align-items:center;justify-content:center;font-size:8px;flex:none;
}

.inspector-footer{padding:14px 16px;border-top:1px solid var(--border-soft)}
.btn-apply-all{
  width:100%;display:flex;align-items:center;justify-content:center;
  padding:11px;border-radius:9px;background:var(--text);color:#fff;
  font:700 12.5px/1 var(--font-ui);transition:filter .15s ease, opacity .15s ease;
}
.btn-apply-all:hover{filter:brightness(1.2)}
.btn-apply-all[disabled]{opacity:.5;cursor:default;filter:none}

/* ===================== TOAST ===================== */

.toast{
  position:fixed;bottom:22px;left:50%;
  transform:translateX(-50%) translateY(12px);
  background:var(--text);color:#fff;
  font:600 12.5px/1 var(--font-ui);
  padding:11px 18px;border-radius:9px;
  box-shadow:0 8px 24px rgba(0,0,0,.22);
  opacity:0;pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;
  z-index:50;
}
.toast.is-visible{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width: 900px){
  .inspector{display:none}
}