:root {
  /* Default: Dark Theme */
  --bg-color: #191919;
  --card-bg: #282828;
  --text-primary: #ffffff;
  --text-muted: #a0a0a0;
  --line-color: rgba(255, 255, 255, 0.1);
  --btn-primary-bg: #ffffff;
  --btn-primary-text: #000000;
  --btn-secondary-bg: transparent;
  --btn-secondary-text: #ffffff;
  --btn-secondary-border: rgba(255, 255, 255, 0.2);
  --input-bg: #222222;
  --input-border: rgba(255, 255, 255, 0.2);
  
  /* Semantic Colors (Keep for risk analysis) */
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
}

[data-theme="light"] {
  --bg-color: #fcfbf8; /* Off-white cream */
  --card-bg: #ffffff;
  --text-primary: #2a2825; /* Slightly warmer dark text */
  --text-muted: #6c6963;
  --line-color: rgba(0, 0, 0, 0.08);
  --btn-primary-bg: #1a1918;
  --btn-primary-text: #ffffff;
  --btn-secondary-bg: transparent;
  --btn-secondary-text: #2a2825;
  --btn-secondary-border: rgba(0, 0, 0, 0.15);
  --input-bg: #ffffff;
  --input-border: rgba(0, 0, 0, 0.15);
  
  /* Semantic Colors for Light Mode */
  --ok: #059669;
  --warn: #d97706;
  --danger: #dc2626;
}

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

body {
  min-height: 100vh;
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Layout Wrapper for Sticky Footer */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Navbar */
.navbar {
  border-bottom: 1px solid var(--line-color);
  background-color: var(--card-bg);
}

.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: min(1000px, 92vw);
  margin: 0 auto;
  padding: 0.5rem 0;
}

.nav-brand {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

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

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: opacity 0.2s;
}

.nav-link:hover {
  opacity: 0.7;
}

.theme-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1.2rem; /* Make it slightly larger since it has no padding now */
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.theme-toggle-btn:hover {
  transform: rotate(30deg);
}

.app-shell {
  flex: 1; /* Pushes the footer to the bottom */
  width: min(1000px, 92vw);
  margin: 3rem auto;
  display: grid;
  gap: 1.5rem;
}

.panel {
  border: 1px solid var(--line-color);
  border-radius: 8px; /* Sharper corners for modern minimal look */
  background-color: var(--card-bg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  padding: 1.5rem;
  overflow: hidden;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.result {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.info {
  border: 1px solid var(--line-color);
  border-radius: 8px; /* Sharper corners for modern minimal look */
  background-color: var(--card-bg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  padding: 1.5rem;
  width: min(1000px, 92vw);
  margin: 3rem auto;
}

.result.visible {
  opacity: 1;
  transform: translateY(0);
}

.result .report-section {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.result.visible .report-section {
  opacity: 1;
  transform: translateY(0);
}

.result.visible .report-section:nth-of-type(1) { transition-delay: 0.03s; }
.result.visible .report-section:nth-of-type(2) { transition-delay: 0.06s; }
.result.visible .report-section:nth-of-type(3) { transition-delay: 0.09s; }
.result.visible .report-section:nth-of-type(4) { transition-delay: 0.12s; }
.result.visible .report-section:nth-of-type(5) { transition-delay: 0.15s; }
.result.visible .report-section:nth-of-type(6) { transition-delay: 0.18s; }

.hero h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
}

.hero p {
  margin-top: 0;
  color: var(--text-muted);
}

.analyze-form label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.input-row {
  display: flex;
  gap: 0.5rem;
}

input[type="text"] {
  flex: 1;
  min-width: 0;
  border-radius: 6px;
  border: 1px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--text-primary);
  padding: 0.8rem;
  transition: all 0.3s ease;
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--text-primary);
}

button {
  border: none;
  border-radius: 6px;
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  font-weight: 600;
  cursor: pointer;
  padding: 0.8rem 1.2rem;
  white-space: nowrap;
  transition: all 0.2s ease;
}

button:hover {
  opacity: 0.85;
}

.btn-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border: 1px solid var(--btn-secondary-border);
}

.btn-secondary:hover {
  background-color: var(--line-color);
}

.btn-action {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  padding: 0.75rem 1.2rem;
}

.btn-action-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border: 1px solid var(--btn-secondary-border);
}

.report-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 1rem;
}

.progress-stepper {
  margin-top: 1rem;
  padding: 1rem;
  background-color: var(--input-bg);
  border: 1px solid var(--line-color);
  border-radius: 6px;
}

.stepper-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.step {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.step-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

/* Active Step */
.step.active {
  color: var(--text-primary);
  font-weight: 500;
}

.step.active .step-icon {
  border-color: var(--text-primary);
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}

/* Completed Step */
.step.done {
  color: var(--ok);
}

.step.done .step-icon {
  border-color: var(--ok);
  background-color: var(--ok);
  position: relative;
}

.step.done .step-icon::after {
  content: '';
  width: 4px;
  height: 8px;
  border: solid var(--card-bg);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  position: absolute;
  top: 2px;
}

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

.hidden {
  display: none !important;
}

.error {
  margin-top: 1rem;
  color: var(--danger);
  background-color: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
  padding: 1rem;
  border-radius: 6px;
}

.live-panel {
  margin-top: 1rem;
  border: 1px dashed var(--line-color);
  border-radius: 6px;
  padding: 1rem;
  background-color: var(--bg-color);
}

.live-panel h3 {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.live-stage {
  margin: 0 0 0.6rem;
  color: var(--text-primary);
}

#liveShot {
  width: 100%;
  min-height: 160px;
  object-fit: contain;
  border-radius: 6px;
  border: 1px solid var(--line-color);
  background-color: var(--bg-color);
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  border-bottom: 1px solid var(--line-color);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.badge {
  border-radius: 4px;
  border: 1px solid var(--line-color);
  padding: 0.3rem 0.6rem;
  font-weight: 600;
  font-size: 0.85rem;
}

/* Tier 1 — Clean / Trusted (0–20) */
.badge.safe {
  color: var(--ok);
  background-color: rgba(52, 211, 153, 0.1);
  border-color: rgba(52, 211, 153, 0.3);
}

/* Tier 2 — Guarded / Moderate / Elevated (21–41) */
.badge.low {
  color: #60a5fa;
  background-color: rgba(96, 165, 250, 0.1);
  border-color: rgba(96, 165, 250, 0.3);
}

/* Tier 3 — Suspicious / Concerning / Harmful (42–62) */
.badge.suspicious {
  color: var(--warn);
  background-color: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.3);
}

/* Tier 4 — High Risk / Very High Risk / Dangerous (63–83) */
.badge.elevated {
  color: #f97316;
  background-color: rgba(249, 115, 22, 0.1);
  border-color: rgba(249, 115, 22, 0.3);
}

/* Tier 5 — Critical / Severe / Malicious (84–100) */
.badge.risky {
  color: var(--danger);
  background-color: rgba(248, 113, 113, 0.1);
  border-color: rgba(248, 113, 113, 0.3);
}

.risk-meter-wrap {
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.risk-meter-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.6rem;
}

.risk-meter-label-row h3 {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.risk-meter-label {
  color: var(--text-primary);
  font-weight: 600;
}

.risk-meter-track {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background-color: var(--line-color);
  overflow: hidden;
}

.risk-meter-fill {
  width: 0;
  height: 100%;
  border-radius: 4px;
  transition: width 0.65s ease, background-color 0.3s ease;
}

.risk-meter-fill.safe     { background-color: var(--ok); }
.risk-meter-fill.low      { background-color: #60a5fa; }
.risk-meter-fill.suspicious { background-color: var(--warn); }
.risk-meter-fill.elevated { background-color: #f97316; }
.risk-meter-fill.risky    { background-color: var(--danger); }

.meta-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.meta-grid > div {
  border: 1px solid var(--line-color);
  padding: 1rem;
  border-radius: 6px;
  background-color: var(--bg-color);
}

.meta-grid h3 {
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meta-grid p {
  margin-top: 0;
  font-weight: 500;
}

.mono {
  word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
}

.screenshot-panel {
  padding: 0;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line-color);
}

.screenshot-wrap {
  width: 100%;
  background-color: var(--card-bg);
}

.screenshot-wrap h3 {
  padding: 1rem 1.2rem 0.8rem;
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--line-color);
}

.signal-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.signal-card {
  border: 1px solid var(--line-color);
  border-radius: 6px;
  padding: 1rem;
  background-color: var(--bg-color);
}

.signal-card h4 {
  margin: 0 0 0.4rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.signal-card p {
  margin: 0;
  font-weight: 600;
  word-break: break-word;
}

.redirect-chain-list {
  margin: 0.5rem 0 0;
  padding-left: 1.5rem;
}

.redirect-chain-list li {
  margin-bottom: 0.4rem;
  color: var(--text-primary);
  word-break: break-all;
}

.analysis-summary {
  margin: 0.5rem 0 0;
  color: var(--text-primary);
  line-height: 1.6;
}

#shot {
  width: 100%;
  max-width: 100%;
  display: block;
  background-color: var(--bg-color);
}

#reasonsList {
  margin-top: 0.5rem;
  padding-left: 1.5rem;
}

#reasonsList li {
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.report-section {
  margin-top: 2rem;
}

.report-section > h3 {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--line-color);
  padding-bottom: 0.4rem;
}

/* FAQ Section */
.faq-section {
  margin-top: 3rem;
  padding: 1.5rem;
}

.faq-title {
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.faq-item {
  margin-bottom: 0.5rem;
  border-radius: 6px;
  overflow: hidden;
  background-color: var(--card-bg);
  border: 1px solid var(--line-color);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1rem 1.2rem;
  background-color: transparent;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: none;
  border-radius: 0;
}

.faq-question:hover {
  background-color: rgba(128, 128, 128, 0.1);
  opacity: 1;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background-color: transparent;
}

.faq-answer p {
  padding: 0 1.2rem 1.2rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Footer */
.site-footer {
  margin-top: auto; /* Required for sticky footer in flex-col */
  border-top: 1px solid var(--line-color);
  padding: 2rem 0;
  background-color: var(--card-bg);
}

.footer-inner {
  width: min(1000px, 92vw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

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

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

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

.footer-credits {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (max-width: 760px) {
  .input-row {
    flex-direction: column;
  }

  .meta-grid {
    grid-template-columns: 1fr;
  }

  .signal-grid {
    grid-template-columns: 1fr;
  }

  .report-actions {
    flex-direction: column;
    align-items: stretch;
  }
}