:root {
  --bg-0: #06070b;
  --bg-1: #11131a;
  --bg-2: #1a1d26;
  --stroke: rgba(255, 255, 255, 0.08);
  --text: #f6f7fb;
  --text-soft: rgba(246, 247, 251, 0.62);
  --blue: #0a84ff;
  --green: #30d158;
  --amber: #ff9f0a;
  --pink: #ff375f;
  --shadow: 0 14px 36px rgba(0, 0, 0, 0.46);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(140% 100% at 90% -30%, rgba(56, 44, 126, 0.24), transparent 55%),
    radial-gradient(130% 120% at -20% -20%, rgba(10, 132, 255, 0.18), transparent 50%),
    linear-gradient(180deg, #090a10 0%, #05060a 100%);
  color: var(--text);
  font-family:
    "SF Pro Display",
    "SF Pro Text",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

.app-shell {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: 1fr auto;
  padding: max(10px, env(safe-area-inset-top)) 10px max(8px, env(safe-area-inset-bottom)) 10px;
  gap: 10px;
}

.counter-grid {
  display: grid;
  gap: 10px;
  min-height: 0;
}

.count-btn {
  width: 100%;
  border: 1px solid var(--stroke);
  border-radius: 26px;
  padding: 14px 16px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.03);
  color: var(--text);
  box-shadow: var(--shadow);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 6px;
  text-align: center;
  min-height: 72px;
  transition: transform 120ms ease, filter 140ms ease, background-color 120ms ease;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.count-btn:active,
.count-btn.is-pressed {
  transform: scale(0.985);
  filter: brightness(1.15);
}

.count-btn.is-decrement {
  transform: scale(0.985);
  filter: saturate(1.25) brightness(1.05);
  box-shadow: 0 0 0 1px rgba(255, 69, 58, 0.3), var(--shadow);
}

.count-btn:focus-visible {
  outline: 2px solid rgba(10, 132, 255, 0.9);
  outline-offset: 3px;
}

.count-label {
  font-size: clamp(1.02rem, 2.2vw + 0.6rem, 1.9rem);
  font-weight: 460;
  letter-spacing: 0.01em;
}

.count-value {
  font-size: clamp(2rem, 7vw, 4.8rem);
  line-height: 0.92;
  font-weight: 320;
}

.bottom-bar {
  border: 1px solid var(--stroke);
  border-radius: 20px;
  background: rgba(17, 19, 27, 0.82);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
}

.bottom-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.session-total {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.session-total strong {
  font-size: 1.35rem;
  font-weight: 420;
}

.muted {
  color: var(--text-soft);
  font-size: 0.88rem;
  letter-spacing: 0.02em;
}

.settings-trigger,
.ghost-btn,
.warn-btn,
.close-btn,
.icon-btn {
  border: 1px solid var(--stroke);
  border-radius: 14px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 430;
}

.secondary-btn:disabled {
  opacity: 0.4;
}

.settings-trigger:disabled,
.ghost-btn:disabled,
.icon-btn:disabled {
  opacity: 0.35;
}

.session-btn.is-active {
  color: #c6ffd4;
  border-color: rgba(48, 209, 88, 0.4);
}

.settings-trigger:active,
.ghost-btn:active,
.warn-btn:active,
.close-btn:active,
.icon-btn:active {
  transform: scale(0.98);
}

.settings-dialog {
  width: min(700px, calc(100vw - 20px));
  border: none;
  border-radius: 24px;
  padding: 0;
  background: transparent;
  color: var(--text);
}

.settings-dialog::backdrop {
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.settings-sheet {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--stroke);
  border-radius: 24px;
  padding: 14px;
  display: grid;
  gap: 12px;
  max-height: min(86dvh, 820px);
  overflow: auto;
}

.sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sheet-header h1 {
  margin: 0;
  font-size: 1.22rem;
  font-weight: 500;
}

.sheet-subhead {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.category-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.category-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: start;
}

.category-main {
  display: grid;
  gap: 8px;
}

.category-meta {
  display: flex;
  gap: 8px;
  align-items: end;
}

.mini-field {
  display: grid;
  gap: 4px;
  font-size: 0.74rem;
  color: var(--text-soft);
  letter-spacing: 0.02em;
}

.category-input {
  width: 100%;
  border: 1px solid var(--stroke);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 11px 12px;
  font-size: 1rem;
}

.category-input:focus-visible {
  outline: 2px solid rgba(10, 132, 255, 0.9);
  outline-offset: 1px;
}

.count-input {
  width: 92px;
  border: 1px solid var(--stroke);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 10px 8px;
  font-size: 1rem;
  text-align: center;
}

.count-input:focus-visible {
  outline: 2px solid rgba(10, 132, 255, 0.9);
  outline-offset: 1px;
}

.count-input::-webkit-outer-spin-button,
.count-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.color-input {
  width: 52px;
  height: 42px;
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 0;
  background: rgba(255, 255, 255, 0.04);
}

.color-input::-webkit-color-swatch-wrapper {
  padding: 4px;
}

.color-input::-webkit-color-swatch {
  border: none;
  border-radius: 9px;
}

.category-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.category-actions .icon-btn {
  min-width: 52px;
  padding: 8px 9px;
  font-size: 0.82rem;
}

.move-up-btn,
.move-down-btn {
  font-size: 1rem;
  line-height: 1;
}

.remove-btn {
  font-size: 0.84rem;
  padding: 9px 10px;
  color: rgba(255, 255, 255, 0.84);
}

.remove-btn:disabled {
  opacity: 0.35;
}

.controls-row {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  flex-wrap: wrap;
}

.controls-row > button {
  flex: 1;
  min-width: 130px;
}

.controls-row-secondary > button,
.controls-row-tertiary > button {
  min-width: 120px;
}

.install-hint {
  margin: 0;
  color: var(--text-soft);
  text-align: center;
  font-size: 0.83rem;
}

.session-panel {
  border: 1px solid var(--stroke);
  border-radius: 14px;
  padding: 10px;
  display: grid;
  gap: 8px;
  background: rgba(255, 255, 255, 0.02);
}

.session-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.session-panel-head h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 520;
}

.mini-btn {
  font-size: 0.78rem;
  padding: 6px 10px;
}

.session-current {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.86rem;
}

.session-history {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.session-history li {
  border: 1px solid var(--stroke);
  border-radius: 10px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  gap: 2px;
}

.session-line-primary {
  font-size: 0.87rem;
  color: var(--text);
}

.session-line-secondary {
  font-size: 0.79rem;
  color: var(--text-soft);
}

.ghost-btn {
  color: #b2dbff;
}

.warn-btn {
  color: #ffd3dc;
}

@media (max-width: 430px) {
  .count-btn {
    border-radius: 20px;
  }

  .count-value {
    font-size: clamp(2rem, 11vw, 4.8rem);
  }

  .settings-trigger {
    padding: 9px 10px;
    font-size: 0.86rem;
  }

  .bottom-actions {
    gap: 6px;
  }

  .category-actions {
    grid-template-columns: 1fr;
  }
}