:root {
  --bg: #ffffff;
  --surface: #f6f7f9;
  --surface-2: #eef0f5;
  --text: #17181c;
  --muted: #6e7078;
  --blue: #3ea4f4;
  --blue-soft: #d9ecfb;
  --border: #e6e8ee;
  --shadow: 0 8px 24px rgba(21, 28, 38, 0.05);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
               "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background .25s ease, color .25s ease;
}

body.dark {
  --bg: #111318;
  --surface: #1c1f26;
  --surface-2: #262a33;
  --text: #f5f7fb;
  --muted: #a8aeb8;
  --blue-soft: #173b59;
  --border: #2e333d;
  --shadow: 0 10px 28px rgba(0, 0, 0, .25);
  color-scheme: dark;
}

button,
select {
  font: inherit;
}

button {
  color: inherit;
}

.app-shell {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: 18px;
}

.top-card {
  background: var(--surface-2);
  border-radius: 18px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.title-block h1 {
  margin: 0;
  font-size: clamp(1.25rem, 4vw, 1.65rem);
  line-height: 1.15;
}

.title-block p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: .88rem;
}

.controls {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
}

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

.select-group label {
  position: relative;
}

.select-group label > span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: .72rem;
}

select {
  min-width: 98px;
  border: 0;
  border-radius: 12px;
  padding: 9px 30px 9px 12px;
  background: var(--blue-soft);
  color: #2482cd;
  font-weight: 650;
  outline: none;
  cursor: pointer;
}

.theme-control {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: .8rem;
  white-space: nowrap;
}

.switch {
  width: 43px;
  height: 25px;
  border: 1px solid #7b8390;
  border-radius: 999px;
  background: #cfd5de;
  padding: 2px;
  cursor: pointer;
  transition: .25s ease;
}

.switch-knob {
  display: block;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--blue);
  transition: transform .25s ease;
}

body.dark .switch {
  background: var(--blue);
}

body.dark .switch-knob {
  background: #fff;
  transform: translateX(18px);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.menu-card {
  min-height: 185px;
  padding: 20px 16px;
  border: 1px solid transparent;
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
  cursor: pointer;
  text-align: center;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.menu-card:hover {
  transform: translateY(-3px);
  border-color: var(--border);
  box-shadow: 0 12px 30px rgba(30, 48, 70, .10);
}

.menu-card:active {
  transform: translateY(0);
}

.icon-wrap {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  margin: 0 auto 16px;
  font-size: 2.5rem;
  line-height: 1;
}

.menu-card h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 650;
}

.menu-card p {
  margin: 7px auto 0;
  max-width: 230px;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.35;
}

.content-panel {
  margin-top: 14px;
  padding: 20px;
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.back-btn,
.primary-btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  background: var(--blue-soft);
  color: #2482cd;
  font-weight: 700;
  cursor: pointer;
}

.counter-box {
  display: grid;
  gap: 12px;
  max-width: 520px;
  margin-top: 18px;
}

.counter-row {
  display: grid;
  grid-template-columns: 1fr 110px 120px;
  align-items: center;
  gap: 10px;
}

.counter-row input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
}

.total {
  margin-top: 18px;
  font-size: 1.2rem;
  font-weight: 800;
}

@media (min-width: 720px) {
  .app-shell {
    padding-top: 36px;
  }

  .top-card {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 24px;
    padding: 22px 24px;
  }

  .controls {
    margin-top: 0;
  }

  .menu-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .menu-card {
    min-height: 205px;
  }
}

@media (max-width: 480px) {
  .app-shell {
    padding: 10px;
  }

  .top-card {
    border-radius: 14px;
    padding: 14px;
  }

  .controls {
    align-items: flex-end;
  }

  .select-group {
    gap: 7px;
  }

  select {
    min-width: 88px;
    padding-inline: 9px 24px;
    font-size: .8rem;
  }

  .menu-grid {
    gap: 9px;
  }

  .menu-card {
    min-height: 150px;
    padding: 16px 10px;
  }

  .icon-wrap {
    width: 52px;
    height: 52px;
    margin-bottom: 11px;
    font-size: 2.1rem;
  }

  .menu-card h2 {
    font-size: .94rem;
  }

  .menu-card p {
    font-size: .74rem;
  }
}