/* ═══════════════════════════════════════════════════════════
   RANKOLAB SEO TOOLS — Shared Stylesheet
   Matches the V3 homepage dark-theme design system
═══════════════════════════════════════════════════════════ */

:root {
  --bg-deep:     #030712;
  --bg-card:     #0d1117;
  --bg-glass:    rgba(255,255,255,0.04);
  --border:      rgba(255,255,255,0.08);
  --border-glow: rgba(0,212,255,0.3);
  --cyan:        #00d4ff;
  --blue:        #1e6ff5;
  --green:       #00ff88;
  --purple:      #7b3fff;
  --text:        #e8eaf0;
  --text-dim:    #8892a4;
  --radius:      16px;
  --radius-sm:   10px;
  --font:        'Inter', sans-serif;
}

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

body.tools-page {
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
}

/* ── Tool Page Hero ───────────────────────────────────────── */
.tool-hero {
  position: relative;
  padding: 80px 24px 60px;
  text-align: center;
  overflow: hidden;
}
.tool-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(0,212,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.tool-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.tool-hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 30%, var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}
.tool-hero p {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

/* ── Tool Widget Card ─────────────────────────────────────── */
.tool-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 860px;
  margin: 0 auto 48px;
  position: relative;
  overflow: hidden;
}
.tool-widget::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

/* ── Inputs ──────────────────────────────────────────────── */
.tool-input-group {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.tool-input {
  flex: 1;
  min-width: 240px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--text);
  font-size: 15px;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s;
}
.tool-input:focus { border-color: var(--cyan); }
.tool-input::placeholder { color: var(--text-dim); }

textarea.tool-input {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.tool-btn {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  white-space: nowrap;
}
.tool-btn:hover { opacity: 0.9; transform: translateY(-1px); }
.tool-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ── Results ─────────────────────────────────────────────── */
.tool-results {
  display: none;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.tool-results.visible { display: block; }

.result-score {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 20px;
}
.result-score-num {
  font-size: 52px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.result-score-label { font-size: 14px; color: var(--text-dim); }
.result-score-title { font-size: 18px; font-weight: 700; }

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.result-item {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.result-item-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.result-item-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
}
.result-item-val.good  { color: var(--green); }
.result-item-val.warn  { color: #f0a500; }
.result-item-val.bad   { color: #ff5f56; }

.result-output {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: var(--green);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 360px;
  overflow-y: auto;
}
.result-output.plain {
  color: var(--text);
  font-family: var(--font);
}

.copy-btn {
  margin-top: 12px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.25);
  color: var(--cyan);
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.copy-btn:hover { background: rgba(0,212,255,0.2); }

/* ── SEO Content Sections ────────────────────────────────── */
.tool-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px 80px;
}
.tool-content h2 {
  font-size: 26px;
  font-weight: 800;
  margin: 48px 0 16px;
  color: #fff;
}
.tool-content h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 28px 0 10px;
  color: var(--cyan);
}
.tool-content p {
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 14px;
  font-size: 16px;
}
.tool-content ol, .tool-content ul {
  color: var(--text-dim);
  line-height: 1.8;
  padding-left: 24px;
  margin-bottom: 16px;
}
.tool-content li { margin-bottom: 8px; font-size: 16px; }

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-q {
  padding: 18px 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
  font-size: 15px;
}
.faq-q:hover { background: var(--bg-glass); }
.faq-q::after { content: '+'; font-size: 20px; color: var(--cyan); }
.faq-item.open .faq-q::after { content: '−'; }
.faq-a {
  display: none;
  padding: 0 20px 18px;
  color: var(--text-dim);
  line-height: 1.7;
  font-size: 15px;
}
.faq-item.open .faq-a { display: block; }

/* ── Archive Grid ─────────────────────────────────────────── */
.tools-archive {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 80px;
}
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.25s, transform 0.2s;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
}
.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  opacity: 0;
  transition: opacity 0.25s;
}
.tool-card:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.tool-card:hover::before { opacity: 1; }
.tool-card-icon {
  width: 52px; height: 52px;
  background: rgba(0,212,255,0.1);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
}
.tool-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.tool-card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 16px;
}
.tool-card-cta {
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 6px;
}
.tool-card-badge {
  display: inline-block;
  background: rgba(0,255,136,0.1);
  border: 1px solid rgba(0,255,136,0.2);
  color: var(--green);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 14px;
}

/* ── Progress Bar ────────────────────────────────────────── */
.tool-progress { display: none; margin-top: 16px; }
.tool-progress.visible { display: block; }
.progress-bar-wrap { height: 6px; background: rgba(255,255,255,0.07); border-radius: 100px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--blue), var(--cyan)); border-radius: 100px; transition: width 0.4s ease; }
.progress-label { font-size: 13px; color: var(--text-dim); margin-top: 8px; }

/* ── Upgrade CTA ─────────────────────────────────────────── */
.tool-upgrade-cta {
  background: linear-gradient(135deg, rgba(30,111,245,0.15), rgba(0,212,255,0.1));
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  margin: 48px 0;
}
.tool-upgrade-cta h3 { font-size: 22px; font-weight: 800; margin-bottom: 10px; }
.tool-upgrade-cta p { color: var(--text-dim); margin-bottom: 20px; font-size: 15px; }
.tool-upgrade-cta a {
  display: inline-block;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
}
.tool-upgrade-cta a:hover { opacity: 0.9; transform: translateY(-1px); }

/* ── Related Tools ────────────────────────────────────────── */
.related-tools {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-top: 16px;
}
.related-tool-link {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-decoration: none;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: border-color 0.2s;
}
.related-tool-link:hover { border-color: var(--cyan); color: var(--cyan); }

@media (max-width: 768px) {
  .tool-input-group { flex-direction: column; }
  .tool-btn { width: 100%; }
  .tool-widget { padding: 20px; }
}