:root {
  --bg: #040814;
  --panel: rgba(8, 16, 34, 0.84);
  --panel-2: rgba(10, 20, 42, 0.92);
  --text: #e8f3ff;
  --muted: #9db1c7;
  --cyan: #4ef3ff;
  --lime: #7ef9a3;
  --line: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background:
    radial-gradient(circle at top left, rgba(78, 243, 255, 0.18), transparent 24%),
    radial-gradient(circle at 85% 15%, rgba(126, 249, 163, 0.12), transparent 18%),
    linear-gradient(180deg, #050815 0%, #040814 50%, #03060f 100%);
}

a { color: inherit; text-decoration: none; }
button, input, textarea, label { font: inherit; }

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
}

.orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(20px);
  pointer-events: none;
  mix-blend-mode: screen;
}
.orb-a { width: 320px; height: 320px; top: -80px; left: -60px; background: radial-gradient(circle, rgba(78,243,255,0.26), transparent 65%); }
.orb-b { width: 260px; height: 260px; right: -70px; top: 180px; background: radial-gradient(circle, rgba(126,249,163,0.18), transparent 68%); }

.shell,
.layout,
.status {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
}

.shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0 12px;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
}

.brand, .toolbar, .panel, .card {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 999px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  color: #03101e;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
}

.brand strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
  line-height: 1.2;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 2px;
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  padding: 10px;
  border-radius: 999px;
  max-width: 100%;
}

.toolbar button,
.toolbar a,
.file-btn {
  border: 0;
  cursor: pointer;
  padding: 11px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: 180ms ease;
  white-space: nowrap;
}

.toolbar button:hover,
.toolbar a:hover,
.file-btn:hover {
  transform: translateY(-1px);
}

.primary {
  color: #03101e;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
}

.ghost {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 22px;
  padding: 8px 0 28px;
}

.panel {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.editor,
.preview {
  padding: 26px;
}

.panel-head {
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 800;
}

.panel-head h1,
.panel-head h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.panel-head h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); max-width: 14ch; }
.panel-head h2 { font-size: clamp(1.6rem, 2.4vw, 2.05rem); max-width: 18ch; }
.sub {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.98rem;
  max-width: 64ch;
}

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

.card {
  border-radius: var(--radius-lg);
  padding: 20px;
}

.card h2,
.card h3 {
  margin: 0 0 16px;
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.grid-2, .grid-3 {
  display: grid;
  gap: 14px;
}
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

label {
  display: grid;
  gap: 9px;
  color: #d6e8fa;
  font-size: 0.92rem;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(2, 8, 20, 0.6);
  color: var(--text);
  padding: 13px 15px;
  outline: none;
  resize: vertical;
  font-size: 0.95rem;
  line-height: 1.6;
}

input:focus,
textarea:focus {
  border-color: rgba(78,243,255,0.45);
  box-shadow: 0 0 0 4px rgba(78,243,255,0.08);
}

.exp-block + .exp-block {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.preview-root {
  display: grid;
  gap: 16px;
}

.preview-hero {
  padding: 20px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top right, rgba(78,243,255,0.16), transparent 26%),
    linear-gradient(180deg, rgba(10, 18, 36, 0.92), rgba(6, 12, 25, 0.92));
  border: 1px solid rgba(255,255,255,0.08);
}

.preview-hero-top {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}

.preview-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.22);
}

.preview-hero h3,
.preview-section h4 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.preview-hero p,
.preview-section p,
.preview-section li {
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.preview-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
  margin-top: 16px;
}

.preview-metrics div,
.preview-card {
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  padding: 16px;
}

.preview-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: 1rem;
  font-family: "Space Grotesk", sans-serif;
}

.preview-card p {
  margin: 0 0 8px;
}

.preview-card ul {
  margin: 10px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

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

.preview-section {
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}

.preview-grid {
  display: grid;
  gap: 12px;
}

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

.tag {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(78,243,255,0.08);
  border: 1px solid rgba(78,243,255,0.18);
  font-size: 0.9rem;
}

.status {
  padding: 0 0 22px;
  color: var(--muted);
  font-size: 0.92rem;
}

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

@media (max-width: 720px) {
  .shell {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar {
    border-radius: 24px;
    justify-content: stretch;
    padding: 12px;
  }

  .toolbar > * {
    flex: 1 1 100%;
    text-align: center;
  }

  .editor,
  .preview {
    padding: 20px;
  }

  .card {
    padding: 16px;
  }

  .grid-2,
  .grid-3,
  .preview-metrics,
  .preview-hero-top {
    grid-template-columns: 1fr;
  }

  .preview-photo {
    width: 96px;
    height: 96px;
  }

  .panel-head h1 {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

  .panel-head h2 {
    font-size: clamp(1.35rem, 5.5vw, 1.8rem);
  }
}