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

:root {
  --bg:        #F0F2F5;
  --surface:   #FFFFFF;
  --nav-bg:    #1a2332;
  --nav-text:  #e2e8f0;
  --accent:    #256245;
  --accent-lt: #d1fae5;
  --border:    #E2E8F0;
  --text:      #1a2332;
  --muted:     #64748b;
  --green:     #16a34a;
  --lime:      #65a30d;
  --amber:     #d97706;
  --red:       #dc2626;
  --gray:      #94a3b8;
  --font:      -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body { font-family: var(--font); background: var(--bg); color: var(--text); font-size: 14px; }

/* ── Header ── */
.header {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--nav-bg); color: var(--nav-text);
  padding: 0 1.5rem; height: 52px; position: sticky; top: 0; z-index: 100;
}
.header-title { font-weight: 700; font-size: 1rem; margin-right: .5rem; }
.header-site  { color: #94a3b8; font-size: .8rem; }
.header-right { display: flex; align-items: center; gap: .75rem; }
.range-select {
  background: #2d3748; color: var(--nav-text); border: 1px solid #4a5568;
  border-radius: 4px; padding: .3rem .6rem; font-size: .8rem; cursor: pointer;
}
.btn-logout {
  color: #94a3b8; text-decoration: none; font-size: .8rem;
  padding: .3rem .7rem; border: 1px solid #4a5568; border-radius: 4px;
}
.btn-logout:hover { color: #fff; border-color: #718096; }

/* ── Tabs ── */
.tab-nav {
  display: flex; background: var(--surface); border-bottom: 2px solid var(--border);
  padding: 0 1.5rem; gap: .25rem;
}
.tab-btn {
  background: none; border: none; padding: .75rem 1rem; cursor: pointer;
  font-size: .85rem; font-weight: 500; color: var(--muted); border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: color .15s;
}
.tab-btn:hover  { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── Main ── */
.main-content { padding: 1.5rem; max-width: 1200px; }
.tab-panel    { display: none; }
.tab-panel.active { display: block; }

/* ── Metrics row ── */
.metrics-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.metric-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  padding: 1.2rem 1.4rem;
}
.metric-card.loading { color: var(--muted); font-size: .85rem; }
.metric-label { font-size: .75rem; font-weight: 600; text-transform: uppercase;
                letter-spacing: .05em; color: var(--muted); margin-bottom: .35rem; }
.metric-value { font-size: 1.75rem; font-weight: 700; color: var(--text); line-height: 1; }
.metric-sub   { font-size: .75rem; color: var(--muted); margin-top: .3rem; }

/* ── Panel ── */
.panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  padding: 1.25rem 1.4rem; margin-bottom: 1.25rem;
}
.panel h2 { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.panel h3 { font-size: .9rem; font-weight: 600; margin-bottom: .75rem; color: var(--muted); }
.panel-sub  { font-size: .75rem; font-weight: 400; color: var(--muted); margin-left: .5rem; }
.panel-desc { font-size: .82rem; color: var(--muted); margin-bottom: 1rem; }

/* ── Tables ── */
.data-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.data-table th {
  text-align: left; padding: .5rem .75rem; font-size: .72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .04em; color: var(--muted);
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.data-table th.num { text-align: right; }
.data-table td { padding: .55rem .75rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: #f8fafc; }
.data-table tr.clickable { cursor: pointer; }
.data-table tr.clickable:hover td { background: var(--accent-lt); }

.page-cell { max-width: 380px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.page-link { color: var(--accent); text-decoration: none; }
.page-link:hover { text-decoration: underline; }
.query-cell { max-width: 380px; }

/* ── Position badge ── */
.pos-badge {
  display: inline-block; padding: .15rem .5rem; border-radius: 3px;
  font-weight: 600; font-size: .78rem; min-width: 2.5rem; text-align: center;
}
.pos-1  { background: #dcfce7; color: #15803d; }
.pos-10 { background: #ecfccb; color: #4d7c0f; }
.pos-20 { background: #fef9c3; color: #a16207; }
.pos-50 { background: #fee2e2; color: #b91c1c; }
.pos-99 { background: #f1f5f9; color: #475569; }

/* ── CTR ── */
.ctr-high { color: var(--green); font-weight: 600; }
.ctr-mid  { color: var(--amber); }
.ctr-low  { color: var(--muted); }

/* ── Loading / empty ── */
.state-msg { padding: 2rem; text-align: center; color: var(--muted); font-size: .85rem; }
.error-msg { padding: 1rem; background: #fee2e2; color: #b91c1c; border-radius: 6px; font-size: .82rem; }

/* ── Schema ── */
.schema-input-row { display: flex; gap: .75rem; margin-bottom: .75rem; }
.schema-input {
  flex: 1; border: 1px solid var(--border); border-radius: 6px;
  padding: .5rem .8rem; font-size: .85rem; font-family: var(--font);
}
.schema-input:focus { outline: none; border-color: var(--accent); }
.btn-primary {
  background: var(--accent); color: #fff; border: none; border-radius: 6px;
  padding: .5rem 1.2rem; font-size: .85rem; font-weight: 600; cursor: pointer;
  white-space: nowrap;
}
.btn-primary:hover { background: #1e5238; }
.quick-links { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.25rem; align-items: center; }
.quick-label { font-size: .75rem; color: var(--muted); }
.quick-link {
  background: none; border: 1px solid var(--border); border-radius: 4px;
  padding: .25rem .6rem; font-size: .75rem; cursor: pointer; color: var(--accent);
}
.quick-link:hover { background: var(--accent-lt); }

.schema-meta { margin-bottom: 1rem; }
.schema-meta-title { font-weight: 600; font-size: .9rem; margin-bottom: .2rem; }
.schema-meta-desc  { font-size: .8rem; color: var(--muted); }

.schema-block {
  border: 1px solid var(--border); border-radius: 6px; margin-bottom: .75rem; overflow: hidden;
}
.schema-block-header {
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem .9rem; background: #f8fafc; border-bottom: 1px solid var(--border);
}
.schema-block-type { font-weight: 600; font-size: .82rem; }
.badge-valid   { background: #dcfce7; color: #15803d; font-size: .7rem; padding: .15rem .5rem; border-radius: 3px; font-weight: 600; }
.badge-invalid { background: #fee2e2; color: #b91c1c; font-size: .7rem; padding: .15rem .5rem; border-radius: 3px; font-weight: 600; }
.schema-block pre {
  padding: .75rem .9rem; font-size: .75rem; line-height: 1.5;
  overflow-x: auto; background: #fff; max-height: 240px; overflow-y: auto;
  white-space: pre-wrap; word-break: break-word;
}

/* ── Fix tracker ── */
.fixes-section { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em;
                 color: var(--muted); margin: 1.25rem 0 .75rem; padding-bottom: .4rem;
                 border-bottom: 1px solid var(--border); }
.fix-list { display: flex; flex-direction: column; gap: .6rem; }
.fix {
  display: flex; gap: 1rem; padding: .85rem 1rem;
  border: 1px solid var(--border); border-radius: 6px; align-items: flex-start;
}
.fix.done     { border-left: 3px solid var(--green); }
.fix.pending.high   { border-left: 3px solid var(--red); }
.fix.pending.medium { border-left: 3px solid var(--amber); }
.fix.pending.low    { border-left: 3px solid var(--gray); }
.fix-status {
  font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  white-space: nowrap; padding-top: .1rem; min-width: 2.5rem;
}
.fix.done .fix-status           { color: var(--green); }
.fix.pending.high .fix-status   { color: var(--red); }
.fix.pending.medium .fix-status { color: var(--amber); }
.fix.pending.low .fix-status    { color: var(--gray); }
.fix-body strong { font-size: .85rem; display: block; margin-bottom: .25rem; }
.fix-body p    { font-size: .8rem; color: var(--muted); line-height: 1.5; }
.fix-body code { background: #f1f5f9; padding: .1rem .3rem; border-radius: 3px; font-size: .75rem; }

/* ── Responsive ── */
@media (max-width: 700px) {
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
  .main-content { padding: 1rem; }
}