:root {
  --bg: #080d14;
  --panel: #0d1722;
  --panel-soft: #142231;
  --text: #eef4ff;
  --muted: #9fb0c6;
  --line: #26384c;
  --valorant: #ff4d4d;
  --valorant-deep: #8f3029;
  --cs2: #ffad3b;
  --danger: #ff6b63;
  --success: #75d99a;
  --radius: 8px;
}

@supports (color: oklch(50% 0.1 40)) {
  :root {
    --bg: oklch(13% 0.018 250);
    --panel: oklch(18% 0.026 250);
    --panel-soft: oklch(22% 0.03 250);
    --text: oklch(94% 0.012 245);
    --muted: oklch(72% 0.025 245);
    --line: oklch(31% 0.032 250);
    --valorant: oklch(65% 0.21 25);
    --valorant-deep: oklch(42% 0.12 25);
    --cs2: oklch(78% 0.15 72);
    --danger: oklch(70% 0.18 28);
    --success: oklch(76% 0.13 155);
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  min-height: 100dvh;
  margin: 0;
  display: grid;
  place-items: center;
  gap: 16px;
  padding: 28px 16px;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background-color: #080d14;
  background:
    radial-gradient(circle at 15% 12%, rgb(255 77 77 / 0.22), transparent 34rem),
    radial-gradient(circle at 85% 78%, rgb(255 173 59 / 0.16), transparent 30rem),
    linear-gradient(145deg, #070b11, var(--bg));
}

.calculator {
  width: min(100%, 500px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), #0a111a);
  box-shadow: 0 24px 70px rgb(0 0 0 / 0.5);
  overflow: visible;
}

.header {
  position: relative;
  padding: 28px 28px 20px;
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(180deg, var(--panel), #0d1722);
}

.eyebrow-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.eyebrow {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

h1 {
  margin: 0;
  font-size: 1.75rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.help {
  position: relative;
  display: inline-grid;
  place-items: center;
}

.help-button {
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  background: var(--panel-soft);
  font-size: 0.82rem;
  font-weight: 900;
  cursor: help;
}

.tooltip {
  position: absolute;
  top: 30px;
  right: 0;
  z-index: 2;
  width: min(310px, calc(100vw - 42px));
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  background: #0b141f;
  box-shadow: 0 14px 36px rgb(0 0 0 / 0.42);
  font-size: 0.84rem;
  line-height: 1.45;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.help:hover .tooltip,
.help:focus-within .tooltip {
  opacity: 1;
  transform: translateY(0);
}

.subtitle {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

form {
  display: grid;
  gap: 18px;
  padding: 24px 28px 28px;
  background: linear-gradient(180deg, #0a111a, #0a111a);
}

.direction-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #081019;
}

.direction-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.direction-switch label {
  min-height: 42px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
  cursor: pointer;
  transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.direction-switch label:hover {
  color: var(--text);
  background: var(--panel-soft);
}

.direction-switch input:checked + label {
  color: var(--text);
  background: linear-gradient(135deg, var(--valorant-deep), #684000);
}

.direction-switch input:focus-visible + label {
  outline: 2px solid var(--cs2);
  outline-offset: 2px;
}

.field {
  display: grid;
  gap: 8px;
}

label {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 750;
}

.hint {
  color: var(--muted);
  font-size: 0.84rem;
}

input[type="text"] {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 14px;
  color: var(--text);
  background: var(--panel-soft);
  font: inherit;
  outline: none;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

input[type="text"]::placeholder {
  color: rgb(159 176 198 / 0.74);
}

input[type="text"]:hover {
  border-color: #6b5f49;
}

input[type="text"]:focus {
  border-color: var(--cs2);
  background: #172638;
}

.different-dpi-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  color: var(--muted);
  background: #081019;
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  user-select: none;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.different-dpi-toggle input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.toggle-box {
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--panel-soft);
  transition: border-color 180ms ease, background-color 180ms ease;
}

.toggle-box::after {
  content: "";
  width: 9px;
  height: 5px;
  border-left: 2px solid #081019;
  border-bottom: 2px solid #081019;
  opacity: 0;
  transform: rotate(-45deg) translateY(-1px);
  transition: opacity 140ms ease;
}

.different-dpi-toggle:hover {
  color: var(--text);
  border-color: #6b5f49;
  background: #0b1520;
}

.different-dpi-toggle:active {
  transform: translateY(1px) scale(0.995);
}

.different-dpi-toggle input:checked + .toggle-box {
  border-color: var(--cs2);
  background: var(--cs2);
}

.different-dpi-toggle input:checked + .toggle-box::after {
  opacity: 1;
}

.different-dpi-toggle:has(input:checked) {
  color: var(--text);
  border-color: #735330;
  background: rgb(255 173 59 / 0.08);
}

.different-dpi-toggle input:focus-visible + .toggle-box {
  outline: 2px solid var(--cs2);
  outline-offset: 2px;
}

.dpi-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.preset-button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: #0a121c;
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.preset-button:hover {
  color: var(--text);
  border-color: var(--cs2);
  background: var(--panel-soft);
}

.preset-button:active,
button:active {
  transform: translateY(1px) scale(0.99);
}

.primary-button,
.copy-button {
  min-height: 48px;
  border: 0;
  border-radius: var(--radius);
  color: var(--text);
  font: inherit;
  font-weight: 850;
  cursor: pointer;
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1), filter 180ms ease;
}

.primary-button {
  margin-top: 4px;
  background: linear-gradient(135deg, var(--valorant), #d94d31);
}

.primary-button:hover,
.copy-button:hover {
  filter: brightness(1.06);
}

.message {
  display: none;
  border-radius: var(--radius);
  padding: 12px 14px;
  line-height: 1.45;
  font-size: 0.92rem;
}

.message.error {
  display: block;
  border: 1px solid #a44a45;
  color: #ffd6d3;
  background: rgb(255 107 99 / 0.16);
}

.results {
  display: none;
  border-top: 1px solid var(--line);
  padding: 24px 28px 28px;
  border-radius: 0 0 var(--radius) var(--radius);
  background: rgb(5 10 16 / 0.52);
}

.results.visible {
  display: block;
}

.result-main {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.result-main span {
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

#target-sens-result {
  color: var(--cs2);
  font-size: 2.55rem;
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.copy-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.copy-button {
  min-height: 40px;
  padding: 0 14px;
  background: #1f3042;
}

.copy-status {
  min-height: 20px;
  color: var(--success);
  font-size: 0.88rem;
  font-weight: 800;
}

.more-details {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.more-details summary {
  width: max-content;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 850;
  transition: color 180ms ease;
}

.more-details summary:hover,
.more-details summary:focus-visible {
  color: var(--cs2);
}

.details-content {
  display: grid;
  gap: 12px;
  padding-top: 14px;
}

.stats,
.cm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stat,
.cm-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: #0e1824;
}

.stat span,
.cm-card span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.stat strong,
.cm-card strong {
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
}

.note {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.92rem;
}

.cm-section {
  margin-top: 18px;
}

.section-title {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 850;
}

.privacy-note {
  width: min(100%, 500px);
  margin: 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.82rem;
  line-height: 1.45;
}

.disclaimer {
  color: #b9ad98;
}

@media (max-width: 560px) {
  body {
    padding: 16px;
    place-items: start center;
  }

  .header,
  form,
  .results {
    padding-left: 20px;
    padding-right: 20px;
  }

  .eyebrow-row {
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: 1.45rem;
  }

  .tooltip {
    right: -2px;
  }

  .direction-switch,
  .stats,
  .cm-grid {
    grid-template-columns: 1fr;
  }

  .dpi-presets {
    grid-template-columns: repeat(2, 1fr);
  }

  #target-sens-result {
    font-size: 2.15rem;
  }

  .copy-row {
    align-items: flex-start;
    flex-direction: column;
  }
}