:root {
  --bg: #070b12;
  --bg-soft: #0c121c;
  --panel: rgba(14, 20, 31, 0.92);
  --panel-strong: rgba(17, 24, 38, 0.98);
  --panel-alt: rgba(11, 16, 25, 0.78);
  --text: #edf3fb;
  --muted: #9ca9bc;
  --line: rgba(144, 163, 188, 0.18);
  --accent: #27b39a;
  --accent-strong: #17d1b0;
  --warm: #ff8a4c;
  --danger: #d95967;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.34);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(39, 179, 154, 0.18), transparent 28rem),
    radial-gradient(circle at 90% 14%, rgba(255, 138, 76, 0.15), transparent 24rem),
    linear-gradient(180deg, #05080e 0%, #08111b 36%, #060a12 100%);
  font-family: "Aptos", "Segoe UI Variable Text", "Trebuchet MS", sans-serif;
}

a {
  color: inherit;
}

code,
textarea {
  font-family: "Cascadia Code", "Consolas", monospace;
}

.app-shell {
  width: min(1520px, calc(100% - 36px));
  margin: 18px auto 40px;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 22px;
}

.side-rail,
.card,
.hero-panel,
.login-panel {
  background: var(--panel);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.side-rail {
  position: sticky;
  top: 18px;
  height: fit-content;
  border-radius: 28px;
  padding: 22px;
}

.brand-block {
  display: grid;
  gap: 10px;
}

.brand-block h1,
.hero-copy h2,
.login-copy h1,
.card h3,
.form-title-row h4 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

.brand-block h1 {
  font-size: 2.4rem;
  line-height: 0.95;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(39, 179, 154, 0.12);
  border: 1px solid rgba(39, 179, 154, 0.2);
  color: #9ef8e6;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.muted {
  color: var(--muted);
}

.section-nav {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.section-nav a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 16px;
  text-decoration: none;
  background: transparent;
  border: 1px solid transparent;
  transition: transform 140ms ease, border-color 140ms ease, background-color 140ms ease;
}

.section-nav a:hover,
.section-nav a.is-active {
  background: rgba(39, 179, 154, 0.08);
  border-color: rgba(39, 179, 154, 0.18);
  transform: translateX(4px);
}

.section-nav strong {
  font-size: 0.85rem;
  color: #9ef8e6;
}

.rail-footer {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
}

.user-card {
  display: grid;
  gap: 3px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.main-column {
  display: grid;
  gap: 22px;
}

.hero-panel {
  border-radius: 30px;
  padding: 28px;
  display: grid;
  gap: 24px;
  background:
    linear-gradient(180deg, rgba(14, 20, 31, 0.92), rgba(10, 16, 25, 0.96)),
    radial-gradient(circle at right, rgba(39, 179, 154, 0.15), transparent 20rem);
}

.hero-copy {
  display: grid;
  gap: 14px;
}

.hero-copy h2 {
  font-size: clamp(2.1rem, 4vw, 3.6rem);
  line-height: 0.93;
}

.hero-copy p,
.card-head p,
.login-copy p {
  margin: 0;
  line-height: 1.6;
  color: var(--muted);
}

.hero-stats,
.runtime-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stat-card,
.metric-card {
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.025));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-card span,
.metric-label {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.stat-card strong,
.metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: 2rem;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

.metric-card p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.card {
  border-radius: var(--radius);
  padding: 24px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 1.8rem;
}

.section-grid {
  display: grid;
  gap: 18px;
}

.form-panel {
  padding: 20px;
  border-radius: 22px;
  background: var(--panel-alt);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.form-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.form-title-row h4 {
  font-size: 1.35rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field-grid .full {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 12px 14px;
  font: inherit;
  color: var(--text);
  background: rgba(4, 8, 15, 0.76);
}

textarea {
  min-height: 180px;
  resize: vertical;
  line-height: 1.5;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(39, 179, 154, 0.2);
  border-color: rgba(39, 179, 154, 0.45);
}

input[readonly] {
  background: rgba(255, 255, 255, 0.04);
}

input[disabled],
select[disabled],
textarea[disabled],
button[disabled] {
  opacity: 0.58;
  cursor: not-allowed;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 16px;
  padding: 12px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 140ms ease, filter 140ms ease, background-color 140ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #04110f;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-warm {
  background: linear-gradient(135deg, var(--warm), #ffb067);
  color: #1d0f05;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #f0777a);
  color: white;
}

.btn-small {
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 0.9rem;
}

.list-grid,
.slice-list {
  display: grid;
  gap: 14px;
}

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

.list-card {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: grid;
  gap: 8px;
}

.list-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.meta-line {
  margin: 0;
  font-size: 0.92rem;
  color: #c6d0df;
}

.toggle-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.toggle-group {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.toggle-group h5 {
  margin: 0;
  font-size: 1rem;
}

.check-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.check-pill input,
.switch-line input {
  width: auto;
  margin: 0;
}

.switch-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.switch-inline {
  align-self: end;
}

.table-wrap {
  overflow-x: auto;
}

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

.mini-table th,
.mini-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.mini-table th {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.inline-form {
  align-items: end;
}

.json-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.note-box {
  padding: 16px;
  border-radius: 18px;
  color: #d7dfec;
  background: rgba(255, 255, 255, 0.045);
  border: 1px dashed rgba(39, 179, 154, 0.28);
  line-height: 1.55;
}

.slice-card {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 16px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.slice-preview {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.28);
}

.slice-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slice-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.slice-fields {
  display: grid;
  gap: 12px;
}

.flash {
  padding: 14px 16px;
  border-radius: 18px;
  font-weight: 600;
}

.flash-success {
  background: rgba(39, 179, 154, 0.14);
  color: #9ef8e6;
  border: 1px solid rgba(39, 179, 154, 0.24);
}

.flash-error {
  background: rgba(217, 89, 103, 0.14);
  color: #ffc3ca;
  border: 1px solid rgba(217, 89, 103, 0.24);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(1040px, 100%);
  border-radius: 34px;
  padding: 30px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 22px;
}

.login-copy {
  display: grid;
  gap: 16px;
}

.login-copy h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 0.92;
}

.login-side {
  display: grid;
  gap: 16px;
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .side-rail {
    position: static;
  }

  .toggle-groups,
  .hero-stats,
  .runtime-grid,
  .login-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .field-grid,
  .slice-card {
    grid-template-columns: 1fr;
  }

  .list-card-head,
  .card-head {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 18px, 1520px);
    margin: 10px auto 22px;
  }

  .side-rail,
  .card,
  .hero-panel,
  .login-panel,
  .form-panel {
    padding: 18px;
  }

  .brand-block h1 {
    font-size: 2rem;
  }

  .hero-copy h2,
  .login-copy h1 {
    font-size: 2rem;
  }
}