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

:root {
  --bg:        #0d0d0d;
  --bg2:       #161616;
  --bg3:       #1f1f1f;
  --border:    #2a2a2a;
  --border2:   #363636;
  --text:      #f0ede8;
  --text2:     #9a9690;
  --text3:     #5c5a56;
  --accent:    #c8f542;
  --accent-dk: #9bbf2e;
  --ok:        #4ade80;
  --warn:      #fbbf24;
  --danger:    #f87171;
  --ok-bg:     #052e16;
  --warn-bg:   #2d1d00;
  --danger-bg: #2d0f0f;
  --radius:    10px;
  --radius-lg: 16px;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Syne', system-ui, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* ── Page wrap ─────────────────────────────────────────────────────────────── */
.page-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ── Header ────────────────────────────────────────────────────────────────── */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 60px;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.logo span { color: var(--accent); }

nav { display: flex; gap: 24px; }
nav a {
  font-size: 13px;
  color: var(--text2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.15s;
}
nav a:hover, nav a.active { color: var(--text); }
nav a.active { border-bottom: 1px solid var(--accent); padding-bottom: 2px; }

/* ── Hero ──────────────────────────────────────────────────────────────────── */
.hero { padding-top: 20px; }

.hero-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  font-family: 'DM Mono', monospace;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  font-size: 16px;
  color: var(--text2);
  max-width: 520px;
  margin-bottom: 48px;
  line-height: 1.7;
}

/* ── Search card ───────────────────────────────────────────────────────────── */
.search-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.field { display: flex; flex-direction: column; gap: 8px; }

.field label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text3);
  font-family: 'DM Mono', monospace;
}

.field input {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 15px;
  color: var(--text);
  font-family: 'Syne', system-ui, sans-serif;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input::placeholder { color: var(--text3); }
.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200, 245, 66, 0.08);
}

/* ── Depth slider ──────────────────────────────────────────────────────────── */
.depth-row { margin-bottom: 24px; }

.depth-row > label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text3);
  font-family: 'DM Mono', monospace;
  margin-bottom: 10px;
}
.depth-row > label span { color: var(--text2); }

.depth-track { position: relative; margin-bottom: 6px; }

input[type=range] {
  width: 100%;
  appearance: none;
  height: 4px;
  background: var(--border2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.1s;
}
input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.15); }

.depth-stops {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
}
.depth-stops span {
  font-size: 11px;
  color: var(--text3);
  font-family: 'DM Mono', monospace;
}

.depth-note {
  font-size: 12px;
  color: var(--text3);
  margin-top: 4px;
}

/* ── Scan button ───────────────────────────────────────────────────────────── */
.btn-scan {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 20px;
  background: var(--accent);
  color: #0d0d0d;
  border: none;
  border-radius: var(--radius);
  font-family: 'Syne', system-ui, sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: -0.01em;
  transition: background 0.15s, transform 0.1s;
}
.btn-scan:hover { background: var(--accent-dk); }
.btn-scan:active { transform: scale(0.99); }

.btn-arrow { font-size: 18px; }

/* ── Form error ────────────────────────────────────────────────────────────── */
.form-error {
  display: none;
  margin-top: 14px;
  font-size: 13px;
  color: var(--danger);
  font-family: 'DM Mono', monospace;
}

/* ── Loading state ─────────────────────────────────────────────────────────── */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 60px 0;
}

.loader-ring {
  width: 40px;
  height: 40px;
  border: 2px solid var(--border2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

#loading-msg {
  font-size: 14px;
  color: var(--text2);
  font-family: 'DM Mono', monospace;
}

/* ── Results page ──────────────────────────────────────────────────────────── */
.results-main { padding-top: 10px; }

.results-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.results-keyword {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.results-domain {
  font-size: 14px;
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.code-pill {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  padding: 2px 8px;
  border-radius: 20px;
  color: var(--text3);
  letter-spacing: 0.06em;
}

.results-date { font-size: 12px; color: var(--text3); }

/* Share box */
.share-box { min-width: 280px; }
.share-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  font-family: 'DM Mono', monospace;
  margin-bottom: 8px;
}
.share-url-wrap { display: flex; gap: 8px; }
.share-url {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text2);
  font-family: 'DM Mono', monospace;
  outline: none;
  min-width: 0;
}
.copy-btn {
  padding: 8px 14px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'Syne', system-ui, sans-serif;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s;
}
.copy-btn:hover { background: var(--bg2); border-color: var(--accent); color: var(--accent); }

/* ── Metrics row ───────────────────────────────────────────────────────────── */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.metric-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.metric-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  font-family: 'DM Mono', monospace;
  margin-bottom: 8px;
}

.metric-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.val-ok     { color: var(--ok); }
.val-warn   { color: var(--warn); }
.val-danger { color: var(--danger); }

/* ── Alert banners ─────────────────────────────────────────────────────────── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 28px;
  border: 1px solid;
}
.alert strong { font-weight: 700; }
.alert em { font-style: italic; }

.alert-danger  { background: var(--danger-bg); border-color: #5a1f1f; color: #fca5a5; }
.alert-ok      { background: var(--ok-bg);     border-color: #166534; color: #86efac; }
.alert-neutral { background: var(--bg2);       border-color: var(--border); color: var(--text2); }

/* ── SERP list ─────────────────────────────────────────────────────────────── */
.serp-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 36px; }

.serp-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.15s;
}
.serp-item:hover { border-color: var(--border2); }
.serp-item.serp-match {
  background: #0d1f0d;
  border-color: #1a4d1a;
}

.serp-pos {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg3);
  border: 1px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 500;
  font-family: 'DM Mono', monospace;
  color: var(--text2);
}
.serp-pos.pos-match { background: #1a4d1a; border-color: #2d7a2d; color: var(--ok); }
.serp-pos.pos-top3  { background: #2d1d00; border-color: #5a3a00; color: var(--warn); }

.serp-body { flex: 1; min-width: 0; }

.serp-display-url {
  font-size: 11px;
  color: var(--text3);
  font-family: 'DM Mono', monospace;
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.serp-title {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.12s;
}
.serp-title:hover { color: var(--accent); }
.serp-title.title-match { color: var(--ok); }

.serp-snippet {
  font-size: 12px;
  color: var(--text2);
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.match-tag {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 500;
  font-family: 'DM Mono', monospace;
  padding: 3px 10px;
  background: #1a4d1a;
  color: var(--ok);
  border-radius: 20px;
  border: 1px solid #2d7a2d;
  white-space: nowrap;
}

/* ── History page ──────────────────────────────────────────────────────────── */
.history-main { padding-top: 10px; }

.history-heading {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
}
.history-heading h2 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.history-count {
  font-size: 12px;
  color: var(--text3);
  font-family: 'DM Mono', monospace;
}

.history-table-wrap { overflow-x: auto; }

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.history-table th {
  text-align: left;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  font-family: 'DM Mono', monospace;
  padding: 0 12px 12px;
  border-bottom: 1px solid var(--border);
}

.history-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.history-table tr:last-child td { border-bottom: none; }
.history-table tr:hover td { background: var(--bg2); }
.history-table tr.row-danger td { background: rgba(248,113,113,0.04); }
.history-table tr.row-ok td { background: rgba(74,222,128,0.03); }

.td-keyword { font-weight: 500; max-width: 220px; }
.td-domain  { color: var(--text2); font-family: 'DM Mono', monospace; font-size: 12px; }
.td-code    { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--text3); letter-spacing: 0.06em; }
.td-date    { color: var(--text3); font-size: 12px; white-space: nowrap; }
.td-total   { color: var(--text3); font-size: 12px; text-align: center; }

.match-badge {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 20px;
  border: 1px solid;
}
.badge-ok     { background: rgba(74,222,128,0.1);  border-color: #166534; color: var(--ok); }
.badge-danger { background: rgba(248,113,113,0.1); border-color: #7f1d1d; color: var(--danger); }
.badge-none   { background: var(--bg3); border-color: var(--border2); color: var(--text3); }

.view-link {
  font-size: 12px;
  color: var(--accent);
  font-family: 'DM Mono', monospace;
  white-space: nowrap;
  transition: opacity 0.15s;
}
.view-link:hover { opacity: 0.7; }

/* ── Shared utility ────────────────────────────────────────────────────────── */
.btn-back {
  display: inline-block;
  font-size: 13px;
  color: var(--text2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 10px 18px;
  font-family: 'DM Mono', monospace;
  transition: color 0.15s, border-color 0.15s;
}
.btn-back:hover { color: var(--accent); border-color: var(--accent); }

.results-footer { margin-top: 8px; }

.error-state {
  padding: 60px 0;
  text-align: center;
  color: var(--text2);
}
.error-state p { margin-bottom: 20px; }

.empty-history { padding: 60px 0; text-align: center; color: var(--text2); }
.empty-history p { margin-bottom: 16px; }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .field-row       { grid-template-columns: 1fr; }
  .metrics-row     { grid-template-columns: 1fr 1fr; }
  .results-header  { flex-direction: column; }
  .share-box       { width: 100%; }
  .hero h1         { font-size: 38px; }
}

/* ── Login page ────────────────────────────────────────────────────────────── */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.login-wrap {
  width: 100%;
  max-width: 400px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.login-brand { text-align: center; }
.login-brand .logo { font-size: 32px; margin-bottom: 6px; }
.login-tagline { font-size: 12px; color: var(--text3); font-family: 'DM Mono', monospace; letter-spacing: 0.06em; }

.login-card {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.login-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.login-error {
  background: var(--danger-bg);
  border: 1px solid #5a1f1f;
  color: #fca5a5;
  font-size: 13px;
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 16px;
}

.login-field label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text3);
  font-family: 'DM Mono', monospace;
}

.login-field input {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: 15px;
  color: var(--text);
  font-family: 'Syne', system-ui, sans-serif;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-field input::placeholder { color: var(--text3); }
.login-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200, 245, 66, 0.08);
}

.btn-login {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 13px 20px;
  background: var(--accent);
  color: #0d0d0d;
  border: none;
  border-radius: var(--radius);
  font-family: 'Syne', system-ui, sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.15s, transform 0.1s;
}
.btn-login:hover { background: var(--accent-dk); }
.btn-login:active { transform: scale(0.99); }

.login-footer { font-size: 12px; color: var(--text3); font-family: 'DM Mono', monospace; }

/* ── Nav user / logout ─────────────────────────────────────────────────────── */
.nav-user {
  font-size: 12px;
  color: var(--text3);
  font-family: 'DM Mono', monospace;
  border-left: 1px solid var(--border2);
  padding-left: 16px;
}
.nav-logout { color: var(--danger) !important; }
.nav-logout:hover { opacity: 0.8; }

/* ── Admin page ────────────────────────────────────────────────────────────── */
.admin-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
}

.admin-card-title {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 20px;
  color: var(--text2);
  letter-spacing: -0.01em;
}

.admin-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.field-select {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 15px;
  color: var(--text);
  font-family: 'Syne', system-ui, sans-serif;
  outline: none;
  width: 100%;
  cursor: pointer;
}

.btn-admin-create {
  padding: 10px 20px;
  background: var(--accent);
  color: #0d0d0d;
  border: none;
  border-radius: var(--radius);
  font-family: 'Syne', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-admin-create:hover { background: var(--accent-dk); }

.role-badge {
  font-size: 10px;
  font-family: 'DM Mono', monospace;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.role-admin { background: rgba(200,245,66,0.1); border-color: var(--accent-dk); color: var(--accent); }
.role-user  { background: var(--bg3); border-color: var(--border2); color: var(--text3); }

.status-dot {
  font-size: 12px;
  font-family: 'DM Mono', monospace;
  display: flex;
  align-items: center;
  gap: 6px;
}
.status-dot::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.dot-active::before   { background: var(--ok); }
.dot-inactive::before { background: var(--danger); }
.dot-active   { color: var(--text2); }
.dot-inactive { color: var(--text3); }

.td-actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

.action-btn {
  font-size: 11px;
  font-family: 'DM Mono', monospace;
  padding: 4px 10px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text2);
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s;
  white-space: nowrap;
}
.action-btn:hover { border-color: var(--accent); color: var(--accent); }
.action-danger:hover { border-color: var(--danger) !important; color: var(--danger) !important; }

.you-badge {
  font-size: 10px;
  font-family: 'DM Mono', monospace;
  background: rgba(200,245,66,0.1);
  border: 1px solid var(--accent-dk);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 20px;
  margin-left: 6px;
}