:root {
  color-scheme: light dark;
  --bg: #f6f7f5;
  --bg-elevated: #ffffff;
  --surface: rgba(255, 255, 255, 0.78);
  --text: #11221e;
  --muted: #4c635d;
  --line: #d8e1dd;
  --line-strong: #b8c8c2;
  --brand: #116149;
  --brand-soft: #d8efe5;
  --accent: #d06a1a;
  --shadow: 0 16px 40px rgba(17, 34, 30, 0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --container: min(1160px, calc(100% - 2rem));
}

[data-theme="dark"] {
  --bg: #101513;
  --bg-elevated: #16201c;
  --surface: rgba(22, 32, 28, 0.88);
  --text: #eef6f3;
  --muted: #abc1bb;
  --line: #2d3d37;
  --line-strong: #466159;
  --brand: #7ed4b2;
  --brand-soft: #1b3d32;
  --accent: #f6a35d;
  --shadow: 0 20px 44px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(17, 97, 73, 0.09) 0%, transparent 42%),
    radial-gradient(circle at 87% 84%, rgba(208, 106, 26, 0.1) 0%, transparent 46%),
    var(--bg);
  line-height: 1.55;
}

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

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

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in oklab, var(--bg) 84%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in oklab, var(--line) 70%, transparent);
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-weight: 700;
  font-size: 1.04rem;
  letter-spacing: 0.01em;
}

.brand-badge {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-grid;
  place-items: center;
  background: linear-gradient(150deg, var(--brand), color-mix(in oklab, var(--accent) 30%, var(--brand)));
  color: #fff;
  font-size: 0.9rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--muted);
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
  background: var(--brand-soft);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.icon-btn,
.menu-btn {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
}

.menu-btn {
  display: none;
}

main {
  padding: 2.4rem 0 4rem;
}

.hero {
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(120deg, color-mix(in oklab, var(--brand-soft) 54%, transparent), transparent 58%),
    var(--surface);
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0;
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: clamp(1.95rem, 4.5vw, 3.1rem);
  line-height: 1.1;
}

.hero p {
  color: var(--muted);
  margin: 1rem 0 0;
  max-width: 66ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.3rem;
}

.trust-line {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  min-height: 42px;
  padding: 0.58rem 1rem;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  filter: brightness(1.04);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--line);
}

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

.btn-tertiary {
  background: transparent;
  color: var(--muted);
  border: 1px dashed var(--line-strong);
}

section {
  margin-top: clamp(1.7rem, 3vw, 2.6rem);
}

.section-title {
  margin: 0 0 1rem;
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: clamp(1.3rem, 3vw, 1.9rem);
}

.section-intro {
  margin: 0;
  color: var(--muted);
  max-width: 72ch;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
}

.card-pad {
  padding: 1.05rem;
}

.card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.card p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.tool-shell {
  margin-top: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.tool-shell-head {
  border-bottom: 1px solid var(--line);
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.tool-shell-head h2 {
  margin: 0;
  font-size: 1rem;
}

.privacy-pill {
  color: var(--muted);
  font-size: 0.84rem;
  background: var(--brand-soft);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}

.tool-body {
  padding: 1rem;
}

.tool-tabs {
  margin-bottom: 0.85rem;
}

.tool-tab {
  border: 0;
  background: color-mix(in oklab, var(--line) 54%, transparent);
  color: var(--muted);
  border-radius: 10px;
  padding: 0.45rem 0.7rem;
  font-weight: 600;
  cursor: pointer;
  margin-right: 0.35rem;
  margin-bottom: 0.45rem;
}

.tool-tab[aria-selected="true"] {
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--line);
}

.tool-tabs .tool-panel {
  margin-top: 0.2rem;
}

.tool-panel[hidden] {
  display: none;
}

.dropzone {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  min-height: 126px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  color: var(--muted);
  background: color-mix(in oklab, var(--brand-soft) 20%, transparent);
}

.dropzone.dragging {
  border-style: solid;
  border-color: var(--brand);
  background: color-mix(in oklab, var(--brand-soft) 60%, transparent);
}

.dropzone p {
  margin: 0;
}

.field {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  padding: 0.65rem 0.75rem;
  font: inherit;
}

textarea.field {
  resize: vertical;
  min-height: 140px;
}

.tool-row {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tool-message {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.tool-message.error {
  color: #d24d3b;
}

.table-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
  align-items: center;
}

.table-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.table-wrap {
  margin-top: 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: auto;
  max-height: 560px;
}

table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  min-width: 720px;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: color-mix(in oklab, var(--bg-elevated) 92%, var(--brand-soft));
  border-bottom: 1px solid var(--line-strong);
}

th,
td {
  text-align: left;
  font-size: 0.92rem;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  vertical-align: top;
  max-width: 300px;
  white-space: pre-wrap;
  word-break: break-word;
}

th:last-child,
td:last-child {
  border-right: 0;
}

tbody tr:nth-child(2n) td {
  background: color-mix(in oklab, var(--bg-elevated) 92%, var(--line));
}

.sort-btn {
  border: 0;
  background: transparent;
  font: inherit;
  color: inherit;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.sort-btn::after {
  content: "?";
  font-size: 0.72rem;
  color: var(--muted);
}

.sort-btn[data-dir="asc"]::after {
  content: "?";
}

.sort-btn[data-dir="desc"]::after {
  content: "?";
}

[contenteditable="true"] {
  outline: none;
}

[contenteditable="true"]:focus {
  background: color-mix(in oklab, var(--brand-soft) 45%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--brand) 45%, transparent);
}

.output-panel {
  margin-top: 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--bg-elevated) 90%, var(--brand-soft));
}

.output-panel pre,
.output-panel textarea {
  margin: 0;
  border: 0;
  width: 100%;
  min-height: 250px;
  max-height: 520px;
  overflow: auto;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text);
  padding: 0.95rem;
  font-family: "JetBrains Mono", "Consolas", monospace;
  font-size: 0.9rem;
}

.split {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.pill {
  background: var(--brand-soft);
  color: color-mix(in oklab, var(--text) 84%, var(--brand));
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  font-size: 0.83rem;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 0.9rem;
  background: var(--bg-elevated);
}

.faq details + details {
  margin-top: 0.55rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq p {
  color: var(--muted);
  margin: 0.6rem 0 0;
}

.links-list {
  display: grid;
  gap: 0.55rem;
  margin-top: 1rem;
}

.links-list a {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem 0.8rem;
  background: var(--bg-elevated);
  font-weight: 600;
}

.links-list a span {
  display: block;
  font-weight: 400;
  color: var(--muted);
  margin-top: 0.24rem;
  font-size: 0.89rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
}

.footer-inner {
  min-height: 88px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.footer-nav {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--muted);
  font-size: 0.92rem;
}

.fade-up {
  animation: fadeUp 0.55s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 780px) {
  .menu-btn {
    display: inline-grid;
  }

  .site-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 74px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--bg-elevated);
    box-shadow: var(--shadow);
    padding: 0.6rem;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    border-radius: 8px;
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  main {
    padding-top: 1.2rem;
  }

  .hero {
    padding: 1.2rem;
  }
}