:root {
  --bg: #f3f7fc;
  --surface: rgba(255, 255, 255, 0.96);
  --surface-alt: #f7fbff;
  --text: #16233b;
  --muted: #64748b;
  --primary: #2583d8;
  --primary-strong: #156ab8;
  --primary-soft: #eaf4ff;
  --accent: #0f172a;
  --danger: #c03f5a;
  --success: #0f9d6c;
  --border: #d7e4f0;
  --shadow: 0 28px 80px rgba(24, 54, 94, 0.12);
  --shadow-soft: 0 18px 50px rgba(36, 73, 120, 0.08);
  --font-sans: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --radius-xl: 28px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(37, 131, 216, 0.15), transparent 26%),
    radial-gradient(circle at right center, rgba(37, 131, 216, 0.12), transparent 20%),
    linear-gradient(180deg, #f9fcff, #eef5fb 68%, #ecf3fa);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  width: min(1440px, calc(100vw - 32px));
  margin: 24px auto 40px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand__mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary-soft), #ffffff);
  color: var(--primary-strong);
  font-weight: 800;
  box-shadow: inset 0 0 0 1px rgba(37, 131, 216, 0.12);
}

.brand__copy strong {
  display: block;
  font-size: 18px;
}

.brand__copy small {
  display: block;
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
}

.nav a:hover,
.nav a.is-current {
  color: var(--primary-strong);
  background: var(--primary-soft);
}

.hero {
  display: grid;
  gap: 18px;
  margin-bottom: 24px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.84)),
    radial-gradient(circle at top right, rgba(37, 131, 216, 0.16), transparent 28%);
  box-shadow: var(--shadow);
}

.hero__eyebrow {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary-strong);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  max-width: 860px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid rgba(37, 131, 216, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--primary-strong);
  font-size: 14px;
  font-weight: 600;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.card {
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card + .card {
  margin-top: 24px;
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px 12px;
}

.card__header h2 {
  margin: 0;
  font-size: 20px;
}

.card__body {
  padding: 0 24px 24px;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid rgba(215, 228, 240, 0.92);
  vertical-align: top;
  text-align: left;
}

th {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

tbody tr:hover {
  background: rgba(37, 131, 216, 0.04);
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.file-layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 24px;
}

.file-sidebar,
.file-content-card {
  min-height: 620px;
}

.file-list {
  display: grid;
  gap: 8px;
  max-height: 760px;
  overflow: auto;
}

.file-link {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.file-link:hover,
.file-link.is-current {
  border-color: rgba(37, 131, 216, 0.35);
  background: rgba(37, 131, 216, 0.08);
  transform: translateY(-1px);
}

.file-preview {
  margin: 0;
  padding: 20px;
  min-height: 540px;
  overflow: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(215, 228, 240, 0.92);
  background: #0f172a;
  color: #e2e8f0;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.file-preview code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 16px;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.14);
}

button.secondary,
.button.secondary {
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

button.ghost,
.button.ghost {
  background: transparent;
  color: var(--primary-strong);
  border: 1px solid rgba(37, 131, 216, 0.18);
  box-shadow: none;
}

input[type="number"],
input[type="text"] {
  width: 100%;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--text);
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
}

.form-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(37, 131, 216, 0.08);
  color: var(--primary-strong);
  font-size: 12px;
  font-weight: 700;
}

.status-pill.error {
  background: rgba(192, 63, 90, 0.12);
  color: var(--danger);
}

.status-pill.success {
  background: rgba(15, 157, 108, 0.12);
  color: var(--success);
}

@media (max-width: 960px) {
  .shell {
    width: min(100vw - 20px, 100%);
    margin: 10px auto 28px;
  }

  .topbar {
    border-radius: 24px;
    padding: 18px;
  }

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

  .file-layout {
    grid-template-columns: 1fr;
  }
}