:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ink: #14202b;
  --muted: #667586;
  --line: #dbe5ef;
  --panel: #ffffff;
  --soft: #f2f7fb;
  --accent: #10b8c8;
  --accent-dark: #087c8b;
  --dark: #101922;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(135deg, #eef7fb 0%, #f9fbfd 55%, #e8f8f4 100%);
  color: var(--ink);
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}

.sidebar {
  padding: 28px;
  background: var(--dark);
  color: white;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 38px;
}

.brand span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #062329;
  font-weight: 900;
}

.sidebar nav {
  display: grid;
  gap: 10px;
}

.sidebar a {
  color: #b9c7d4;
  text-decoration: none;
  padding: 12px 14px;
  border-radius: 8px;
}

.sidebar a.active,
.sidebar a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.workspace {
  padding: 34px;
}

.topline,
.hero-grid,
.stats,
.lower-grid {
  max-width: 1180px;
  margin-inline: auto;
}

.topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.topline p,
.booking-card p,
.panel p {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topline h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.topline a {
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 16px;
  background: white;
}

.hero-grid,
.lower-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 22px;
}

.booking-card,
.preview-card,
.panel,
.stats article {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(25, 48, 67, 0.12);
}

.booking-card,
.panel {
  padding: 24px;
}

.booking-card h2,
.panel h2 {
  margin: 0 0 20px;
  font-size: 1.5rem;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--soft);
  color: var(--ink);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.slot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 20px 0;
}

.slot-grid button,
.primary {
  border: 0;
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
}

.slot-grid button {
  background: var(--soft);
  color: var(--ink);
  font-weight: 800;
}

.slot-grid .selected,
.primary {
  background: var(--accent);
  color: white;
  font-weight: 900;
}

.primary {
  width: 100%;
}

.preview-card {
  min-height: 430px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 10% 15%, rgba(16, 184, 200, 0.3), transparent 30%),
    linear-gradient(145deg, #182536, #0c141d);
}

.phone {
  width: min(265px, 80%);
  min-height: 330px;
  border: 10px solid #e8eef5;
  border-radius: 34px;
  background: linear-gradient(180deg, #0cb6d1 0%, #f8fbff 48%);
  padding: 22px;
  box-shadow: 0 24px 45px rgba(0, 0, 0, 0.35);
}

.phone-header,
.phone-row span {
  display: inline-flex;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.32);
  padding: 8px 10px;
  color: white;
  font-size: 0.75rem;
  font-weight: 800;
}

.phone h3 {
  color: white;
  margin: 28px 0 4px;
}

.phone > p {
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.78);
}

.phone-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 24px 0;
}

.phone-row strong {
  color: white;
}

.phone .message {
  color: var(--ink);
  background: white;
  border-radius: 8px;
  padding: 14px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 22px;
  margin-bottom: 22px;
}

.stats article {
  padding: 20px;
}

.stats span {
  color: var(--muted);
  font-weight: 800;
}

.stats strong {
  display: block;
  margin-top: 8px;
  font-size: 2.2rem;
}

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

.panel ul {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.panel li,
.team-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.panel li span {
  color: var(--accent-dark);
  font-weight: 900;
}

.panel li strong {
  color: var(--accent-dark);
}

.team-row {
  margin-top: 14px;
}

meter {
  width: 52%;
  height: 16px;
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .workspace {
    padding: 20px;
  }

  .topline,
  .hero-grid,
  .lower-grid,
  .stats {
    grid-template-columns: 1fr;
  }

  .topline {
    flex-direction: column;
  }

  .field-row,
  .slot-grid {
    grid-template-columns: 1fr 1fr;
  }
}