body[data-device="mobile"] {
  font-size: 16px;
  overflow-x: hidden;
}

html,
body[data-device="mobile"] {
  width: 100%;
  max-width: 100%;
}

body[data-device="mobile"] .app {
  max-width: 100%;
  padding: 16px 16px calc(96px + env(safe-area-inset-bottom));
  border-radius: 0;
  box-shadow: none;
}

body[data-device="mobile"] header {
  padding-top: calc(var(--space-4) + env(safe-area-inset-top));
  gap: 12px;
}

body[data-device="mobile"] .top-nav {
  display: none;
}

body[data-device="mobile"] .bottom-nav {
  display: flex;
}

body[data-device="desktop"] .bottom-nav {
  display: none;
}

body[data-device="mobile"] .grid-main {
  grid-template-columns: 1fr;
}

body[data-device="mobile"] .page {
  overflow-x: hidden;
}

body[data-device="mobile"] .card {
  padding: 16px;
}

body[data-device="mobile"] .task-input-row {
  flex-direction: column;
}

body[data-device="mobile"] .task-item {
  min-height: 48px;
}

body[data-device="mobile"] .task-checkbox {
  width: 24px;
  height: 24px;
}

body[data-device="mobile"] button,
body[data-device="mobile"] input,
body[data-device="mobile"] select,
body[data-device="mobile"] textarea {
  min-height: 44px;
  font-size: 16px;
}

body[data-device="mobile"] .task-delete {
  display: none;
}

body[data-device="mobile"] .task-menu-btn {
  min-width: 44px;
  min-height: 44px;
}

body[data-device="mobile"] .task-order-btn {
  min-width: 40px;
  min-height: 40px;
}

body[data-device="mobile"] .focus-mobile-screen {
  min-height: calc((var(--vh) * 100) - 120px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

body[data-device="mobile"] .focus-mobile-timer {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 1px;
  text-align: center;
}

body[data-device="mobile"] .focus-mobile-controls {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

body[data-device="mobile"] .focus-mini-player {
  display: flex;
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(72px + env(safe-area-inset-bottom));
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--border-subtle);
  z-index: 9999;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}