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

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a26;
  --border: #1e1e2e;
  --text: #e4e4ef;
  --text-muted: #8888a0;
  --primary: #6c5ce7;
  --primary-glow: rgba(108, 92, 231, 0.3);
  --accent: #a29bfe;
  --green: #00b894;
  --green-bg: rgba(0, 184, 148, 0.1);
  --yellow: #fdcb6e;
  --yellow-bg: rgba(253, 203, 110, 0.1);
  --red: #ff6b6b;
  --red-bg: rgba(255, 107, 107, 0.1);
  --blue: #74b9ff;
  --blue-bg: rgba(116, 185, 255, 0.1);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 400px; height: 400px;
  background: var(--primary);
  top: -100px; left: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 300px; height: 300px;
  background: #e84393;
  bottom: -50px; right: -50px;
  animation-delay: -3s;
}

.orb-3 {
  width: 250px; height: 250px;
  background: #0984e3;
  top: 50%; left: 60%;
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 2rem;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
}

.logo em {
  font-style: normal;
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--text); }

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1200px, 100%);
  text-align: left;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1.1fr) minmax(320px, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.hero-left,
.hero-right {
  background: rgba(18, 18, 26, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  padding: 1.5rem;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), #e84393, var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 680px;
}

/* Hero badge */
.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(108, 92, 231, 0.15);
  border: 1px solid rgba(108, 92, 231, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

/* Trust badges */
.trust-badges {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-start;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.trust-item svg { color: var(--green); }

/* ── SEO COPY ───────────────────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  align-items: start;
}

.info-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 0.95rem;
}

.info-card summary {
  cursor: pointer;
  font-weight: 600;
  line-height: 1.35;
  list-style: none;
}

.info-card summary::-webkit-details-marker {
  display: none;
}

.info-card summary::after {
  content: '+';
  float: right;
  color: var(--accent);
  font-weight: 700;
  margin-left: 0.7rem;
}

.info-card[open] summary::after {
  content: '-';
}

.info-card p,
.info-card ul,
.info-card ol {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.6rem;
}

.info-card ul,
.info-card ol {
  padding-left: 1.15rem;
}

.info-card a {
  color: var(--accent);
}

/* ── SEARCH BOX ──────────────────────────────────────────── */
.search-box {
  display: flex;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 6px;
  transition: var(--transition);
  box-shadow: 0 0 0 0 var(--primary-glow);
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

.input-wrapper {
  display: flex;
  align-items: center;
  flex: 1;
  padding: 0 1rem;
  gap: 0.75rem;
}

.input-icon { color: var(--text-muted); flex-shrink: 0; }

#urlInput {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  padding: 0.75rem 0;
}

#urlInput::placeholder { color: var(--text-muted); }

#analyzeBtn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

#analyzeBtn:hover { background: #5b4bd5; transform: translateY(-1px); }
#analyzeBtn:active { transform: translateY(0); }
#analyzeBtn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ── LOADING ─────────────────────────────────────────────── */
.loading {
  padding: 4rem 2rem;
  text-align: center;
}

.loading-content { max-width: 400px; margin: 0 auto; }

.spinner {
  width: 48px; height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1.5rem;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading h2 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.loading p { color: var(--text-muted); margin-bottom: 1.5rem; }

.progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
  width: 0%;
  transition: width 0.5s ease;
}

/* ── ERROR ────────────────────────────────────────────────── */
.error-box {
  max-width: 600px;
  margin: 2rem auto;
  padding: 1.25rem 1.5rem;
  background: var(--red-bg);
  border: 1px solid rgba(255, 107, 107, 0.3);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--red);
}

/* ── RESULTS ─────────────────────────────────────────────── */
.results {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}

.hidden { display: none !important; }

/* Score Section */
.score-section {
  margin-bottom: 3rem;
}

.score-card {
  display: flex;
  align-items: center;
  gap: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 1.5rem;
}

.score-ring-container {
  position: relative;
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}

.score-ring { transform: rotate(-90deg); }

.ring-bg {
  fill: none;
  stroke: var(--border);
  stroke-width: 8;
}

.ring-fill {
  fill: none;
  stroke: var(--green);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 326.73;
  stroke-dashoffset: 326.73;
  transition: stroke-dashoffset 1.5s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.5s;
}

.score-value {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
}

.score-info h2 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.score-label {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.analyzed-url {
  color: var(--text-muted);
  font-size: 0.9rem;
  word-break: break-all;
}

.score-time {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* Summary Cards */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.summary-card .icon-box {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.summary-card .count {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
}

.summary-card .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── CATEGORY CARDS ──────────────────────────────────────── */
.categories {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.category-card:hover { border-color: rgba(108, 92, 231, 0.3); }

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  width: 100%;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.category-header:hover { background: var(--bg-card-hover); }

.category-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.category-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.category-title { font-weight: 600; font-size: 1.05rem; }

.category-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.category-header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.category-score-badge {
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.chevron {
  transition: transform var(--transition);
  color: var(--text-muted);
}

.category-card.open .chevron { transform: rotate(180deg); }

.category-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card.open .category-body { max-height: 2000px; }

.category-content {
  padding: 0 2rem 2rem;
  border-top: 1px solid var(--border);
}

/* Issues */
.issues-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.issue-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  align-items: flex-start;
}

.issue-item.critical { background: var(--red-bg); border-left: 3px solid var(--red); }
.issue-item.warning { background: var(--yellow-bg); border-left: 3px solid var(--yellow); }
.issue-item.info { background: var(--blue-bg); border-left: 3px solid var(--blue); }

.issue-badge {
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}

.issue-badge.critical { background: var(--red); color: #fff; }
.issue-badge.warning { background: var(--yellow); color: #000; }
.issue-badge.info { background: var(--blue); color: #000; }

.issue-text { flex: 1; }
.issue-message { font-weight: 500; font-size: 0.95rem; margin-bottom: 0.25rem; }
.issue-fix { font-size: 0.85rem; color: var(--text-muted); }

/* Data Tables */
.data-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 0;
  margin-top: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.data-grid .label {
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.data-grid .value {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  word-break: break-all;
  border-bottom: 1px solid var(--border);
}

.data-grid .label:last-of-type,
.data-grid .value:last-of-type {
  border-bottom: none;
}

/* Keywords table */
.keywords-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.keywords-table th {
  text-align: left;
  padding: 0.6rem 1rem;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.keywords-table td {
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
}

/* Heading structure */
.heading-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0;
  font-size: 0.9rem;
}

.heading-level {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  background: var(--primary);
  color: #fff;
  border-radius: 4px;
  flex-shrink: 0;
}

.heading-text {
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* All passed */
.all-passed {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--green-bg);
  border-radius: var(--radius);
  color: var(--green);
  margin-top: 1rem;
}

/* ── ACTION BAR ──────────────────────────────────────────── */
.action-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}

.action-btn:hover { background: var(--bg-card-hover); border-color: var(--primary); }
.action-btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.action-btn.primary:hover { background: #5b4bd5; }

/* ── SERP PREVIEW ────────────────────────────────────────── */
.serp-section {
  margin-bottom: 2.5rem;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
}

.serp-preview {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  max-width: 650px;
}

.serp-url {
  font-size: 0.82rem;
  color: #202124;
  margin-bottom: 0.2rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.serp-url .favicon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #f1f3f4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: #70757a;
}

.serp-title {
  font-size: 1.25rem;
  color: #1a0dab;
  text-decoration: none;
  font-weight: 400;
  line-height: 1.3;
  display: block;
  margin-bottom: 0.3rem;
  cursor: pointer;
}

.serp-title:hover { text-decoration: underline; }

.serp-description {
  font-size: 0.88rem;
  color: #4d5156;
  line-height: 1.5;
}

.serp-truncated {
  color: #ea4335;
  font-weight: 500;
  font-size: 0.75rem;
  margin-top: 0.3rem;
}

/* rank checker */
.rank-section {
  margin-bottom: 2.5rem;
}

.rank-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.rank-hint {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.9rem;
}

.rank-input-label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.rank-input {
  width: 100%;
  min-height: 78px;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  font: inherit;
  padding: 0.65rem 0.8rem;
  margin-bottom: 0.4rem;
}

.rank-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.rank-help {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.rank-status {
  margin-top: 0.9rem;
  color: var(--blue);
  font-size: 0.9rem;
}

.rank-best {
  margin-top: 0.9rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(0, 184, 148, 0.3);
  border-radius: 10px;
  background: var(--green-bg);
}

.rank-badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: rgba(0, 184, 148, 0.2);
  color: var(--green);
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 0.45rem;
}

.rank-copy {
  font-size: 0.92rem;
}

.rank-list {
  margin-top: 1rem;
}

.rank-list-title {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.45rem;
}

.rank-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding: 0.55rem 0;
}

.rank-query {
  color: var(--text);
  font-size: 0.9rem;
}

.rank-position {
  font-size: 0.85rem;
  font-weight: 600;
}

.rank-row.found .rank-position {
  color: var(--green);
}

.rank-row.missing .rank-position {
  color: var(--text-muted);
}

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

.footer a:hover { text-decoration: underline; }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero { padding: 1rem; }
  .nav { position: static; justify-content: center; padding: 0.5rem 0 1rem; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-left,
  .hero-right { padding: 1rem; }
  .info-grid { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 1.8rem; }
  .subtitle { font-size: 1rem; }
  .search-box { flex-direction: column; }
  .input-wrapper { padding: 0.5rem 1rem; }
  #analyzeBtn { justify-content: center; }
  .score-card { flex-direction: column; text-align: center; padding: 1.5rem; }
  .category-header { padding: 1.25rem 1.25rem; }
  .category-content { padding: 0 1.25rem 1.25rem; }
  .data-grid { grid-template-columns: 1fr; }
  .data-grid .label { background: rgba(255,255,255,0.05); }
  .summary-cards { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .summary-cards { grid-template-columns: 1fr; }
}

/* ── ANIMATIONS ──────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeInUp 0.5s ease forwards;
  opacity: 0;
}

.category-card:nth-child(1) { animation-delay: 0.1s; }
.category-card:nth-child(2) { animation-delay: 0.15s; }
.category-card:nth-child(3) { animation-delay: 0.2s; }
.category-card:nth-child(4) { animation-delay: 0.25s; }
.category-card:nth-child(5) { animation-delay: 0.3s; }
.category-card:nth-child(6) { animation-delay: 0.35s; }
.category-card:nth-child(7) { animation-delay: 0.4s; }
.category-card:nth-child(8) { animation-delay: 0.45s; }
.category-card:nth-child(9) { animation-delay: 0.5s; }
.category-card:nth-child(10) { animation-delay: 0.55s; }