:root {
  --ink: #0b1021;
  --ink-2: #111827;
  --muted: #64748b;
  --accent: #0ea5a4;
  --accent-2: #f59e0b;
  --accent-3: #22c55e;
  --bg: #f7f8fb;
  --card: #ffffff;
  --border: #e6e8ef;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #dff7f3 0%, rgba(223, 247, 243, 0) 55%),
    radial-gradient(900px 500px at 110% 0%, #fff0d6 0%, rgba(255, 240, 214, 0) 60%),
    var(--bg);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

  .ad-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 6px;
    text-decoration: none;
    color: inherit;
  }
  .ad-card img {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 6px;
  }
  .ad-meta {
    display: flex;
    flex-direction: column;
  }
  .ad-title {
    font-weight: 600;
  }
  .ad-link {
    font-size: 12px;
    color: #666;
  }

  /* Protection helpers */
  .no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }

  /* Subtle UI watermark */
  .site-watermark {
    position: fixed;
    right: 12px;
    bottom: 12px;
    opacity: 0.08;
    font-size: 14px;
    color: #0b1021;
    pointer-events: none;
    z-index: 9999;
  }
a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  letter-spacing: -0.02em;
  margin-top: 0;
}

ul {
  padding-left: 1.25rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(247, 248, 251, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.nav-links {
  display: flex;
  gap: 1rem;
  color: var(--muted);
  font-weight: 500;
}

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

.search {
  position: relative;
  flex: 1 1 220px;
  max-width: 280px;
}

.search input[type="search"] {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.95rem;
  background: #fff;
}

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 0.25rem;
  display: none;
  z-index: 20;
}

.search-results.open {
  display: block;
}

.search-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.65rem 0.75rem;
  border-radius: 12px;
  color: var(--ink);
}

.search-item:hover {
  background: #f0f6f6;
}

.search-item small {
  color: var(--muted);
  font-size: 0.8rem;
}

.search-empty {
  padding: 0.6rem 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.btn,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 12px 24px rgba(14, 165, 164, 0.2);
}

.btn:hover,
button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(14, 165, 164, 0.28);
}

.btn-secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn-secondary:hover {
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid transparent;
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  box-shadow: none;
}

.btn-small {
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.hero {
  padding: 2rem 0 1rem;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1.05;
  margin-bottom: 1rem;
}

.hero-copy p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: #e0f2f1;
  color: #0f766e;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.stat-grid strong {
  font-size: 1.6rem;
  display: block;
}

.stat-grid span {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-preview {
  display: flex;
  justify-content: center;
}

.hero-card {
  background: #0b1021;
  color: #e2e8f0;
  border-radius: 22px;
  padding: 1.5rem;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow);
}

.hero-card-top {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.hero-card-title {
  margin-left: auto;
  font-size: 0.85rem;
  color: #94a3b8;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red {
  background: #f97316;
}

.dot-yellow {
  background: #facc15;
}

.dot-green {
  background: #22c55e;
}

.hero-card-body {
  display: grid;
  gap: 1.2rem;
}

.hero-col .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #94a3b8;
  margin-bottom: 0.5rem;
}

.hero-code {
  background: #111827;
  color: #a7f3d0;
  border-radius: 14px;
  padding: 1rem;
  font-size: 0.85rem;
  line-height: 1.4;
  margin: 0;
}

.preview-block {
  background: #ffffff;
  color: #0b1021;
  border-radius: 14px;
  padding: 1rem;
  font-size: 0.9rem;
}

.preview-block ul {
  margin: 0.5rem 0 0 1rem;
}

.hero-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

/* Export icon and hint */
.icon {
  width: 16px;
  height: 16px;
  vertical-align: middle;
  margin-right: 8px;
  display: inline-block;
}

.export-hint {
  font-size: 12px;
  color: #6b7280; /* muted */
  margin-top: 8px;
}

.section {
  margin-top: 4rem;
}

.section-head {
  max-width: 720px;
  margin-bottom: 2rem;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 0.5rem;
}

.section-head p {
  color: var(--muted);
  margin: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card);
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.tool-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: #e0f2f1;
  color: #0f766e;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-actions {
  margin-top: auto;
}

.text-link {
  color: var(--accent);
  font-weight: 600;
}

.text-link:hover {
  color: #0f766e;
}


.tool-preview {
  background: #f8fafc;
  border: 1px dashed #e2e8f0;
  border-radius: 12px;
  padding: 0.6rem 0.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
  color: #334155;
  line-height: 1.35;
}

.rule-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.rule-block {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  background: #fff;
}

.rule-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.rule-header h3 {
  margin: 0;
  font-size: 1rem;
}

.rule-actions {
  display: flex;
  gap: 0.5rem;
}

.page-hero {
  background: linear-gradient(135deg, rgba(14, 165, 164, 0.08), rgba(245, 158, 11, 0.08));
  border-radius: 24px;
  padding: 2.5rem;
}

.page-hero-inner p {
  color: var(--muted);
  max-width: 540px;
}

.cta {
  background: linear-gradient(120deg, #0ea5a4, #22c55e);
  color: #fff;
  border-radius: 24px;
  padding: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.ad {
  background: #ffffff;
  border: 1px dashed var(--border);
  padding: 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  border-radius: 14px;
}

.ad-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}

.ad-card {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: #fff;
  border: 1px solid var(--border);
  padding: 0.5rem;
  border-radius: 10px;
  width: 250px;
}

.ad-card img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
}

.ad-card .ad-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  text-align: left;
}

.ad-card .ad-title {
  font-weight: 700;
  font-size: 0.9rem;
}

.ad-card .ad-link {
  font-size: 0.8rem;
  color: var(--muted);
}

.breadcrumbs {
  max-width: 1200px;
  margin: 1rem auto 0;
  padding: 0 1.5rem;
  color: var(--muted);
  display: flex;
  gap: 0.4rem;
  font-size: 0.9rem;
}

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

.page-head h1 {
  margin-bottom: 0.5rem;
}

textarea,
input[type="text"],
input[type="email"],
input[type="search"],
input[type="number"],
select {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
}

textarea {
  min-height: 220px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.textarea-sm {
  min-height: 90px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin: 1rem 0;
}

#preview,
.preview {
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 1.25rem;
  overflow-x: auto;
}

#preview h1,
#preview h2,
#preview h3 {
  margin-top: 1.5rem;
}

#preview code {
  background: #f1f5f9;
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
}

#preview pre {
  background: #0b1021;
  color: #e2e8f0;
  padding: 1rem;
  border-radius: 10px;
  overflow-x: auto;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.testimonials .card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #0ea5a4;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.site-footer {
  background: #0b1021;
  color: #cbd5f5;
  padding: 3rem 1.5rem 2rem;
  margin-top: 4rem;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.footer-grid h4 {
  color: #fff;
  margin-bottom: 0.75rem;
}

.footer-grid a {
  color: #cbd5f5;
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
}

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  border-top: 1px solid rgba(203, 213, 245, 0.2);
  padding-top: 1.5rem;
  font-size: 0.85rem;
  color: #a5b4fc;
}

@media (min-width: 1000px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .hero-card-body {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1100px) {
  .layout {
    grid-template-columns: 160px 1fr 160px;
    align-items: start;
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .search {
    flex: 1 1 100%;
  }

  .ad {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

.muted {
  color: var(--muted);
  font-size: 0.85rem;
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.chip {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
}

.chip:hover {
  border-color: rgba(14, 165, 164, 0.4);
  color: var(--ink);
}


.output {
  background: #0b1021;
  color: #e2e8f0;
  padding: 1rem;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
}

.form-note {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.validation-hints {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  padding: 1rem;
  border-radius: 14px;
  color: #7c2d12;
  font-size: 0.9rem;
  margin: 1rem 0;
}

.hint-title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.hint-list {
  margin: 0;
  padding-left: 1.1rem;
}

.hint-list li {
  margin-bottom: 0.35rem;
}

.hint-success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  font-size: 0.9rem;
}

.file-list {
  display: grid;
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.file-item {
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 0.9rem;
}

.qr-preview {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}

.qr-preview canvas {
  max-width: 100%;
  height: auto;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  cursor: pointer;
}

.toggle input {
  width: auto;
}

.hidden {
  display: none;
}

#advancedFields h3 {
  margin: 1.5rem 0 0.75rem;
  font-size: 1.05rem;
}

#advancedFields h3:first-child {
  margin-top: 0;
}