@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap");

/* Theme */
:root {
  --background: #e9e9e6;
  --panel: #83d7cf;
  --panel-hover: #91e0d8;
  --panel-border: #4d958e;
  --mod-panel: #cbb9e8;
  --mod-panel-hover: #d6c8ed;
  --mod-panel-border: #8875a5;
  --mod-text: #3f3154;
  --accent-dark: #173e3a;
  --text: #151716;
  --max-width: 1080px;
}

/* Base */
* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    var(--background);
  background-size: 24px 24px;
  font-family: "Open Sans", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

/* Main layout */
main {
  width: min(calc(100% - 24px), var(--max-width));
  margin-right: auto;
  margin-left: auto;
}

/* Hero */
.hero {
  margin-top: 12px;
  padding: clamp(20px, 4vw, 32px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.65),
    4px 4px 0 rgba(0, 0, 0, 0.1);
}

.hero h2 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(32px, 6vw, 70px);
  line-height: 0.76;
  letter-spacing: -0.055em;
}

/* Shared tool pages */
.tool-page {
  padding: 10px 0 48px;
  line-height: 1.5;
}

.tool-page main {
  width: min(calc(100% - 24px), var(--max-width));
}

.home-link {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.home-link:hover {
  text-decoration-thickness: 2px;
}

.tool-page h1,
.tool-page h2,
.tool-page h3,
.tool-page h4 {
  color: var(--text);
  letter-spacing: -0.03em;
}

.tool-page input,
.tool-page select,
.tool-page button {
  min-height: 38px;
  border: 1px solid var(--panel-border);
  border-radius: 0;
  background: #fff;
  color: var(--text);
  font: inherit;
}

.tool-page input,
.tool-page select {
  padding: 7px 10px;
}

.tool-page button {
  padding: 7px 12px;
  cursor: pointer;
  font-weight: 700;
}

.tool-page button:hover {
  background: var(--panel-hover);
}

.tool-page input:focus,
.tool-page select:focus,
.tool-page button:focus-visible,
.tool-page summary:focus-visible {
  outline: 3px solid rgba(77, 149, 142, 0.28);
  outline-offset: 1px;
}

.tool-page :is(#input, #output, .panel, .horse, #tester, .shared-inputs, .mortgage, .explainer, .winner-banner) {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.55);
}

/* Block break calculator */
.break-page {
  --background: #e9e9e6;
  --panel: #83d7cf;
  --panel-hover: #91e0d8;
  --panel-border: #4d958e;
  --accent-dark: #173e3a;
}

.break-page main {
  width: min(calc(100% - 24px), 800px);
}

.break-page .calculator-layout {
  display: grid;
  grid-template-columns: minmax(380px, 1fr) minmax(260px, 0.75fr);
  gap: 10px;
  align-items: start;
}

.break-page :is(#input, #output) {
  display: block;
  margin: 0;
  padding: 16px;
}

.break-page h1,
.break-page h3 {
  margin: 0 0 20px;
}

.break-page #input > p {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 0;
}

.break-page .primary {
  flex: 0 0 42%;
  width: auto;
  margin: 0;
  color: var(--accent-dark);
  font-weight: 600;
}

.break-page .tool-choices {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
}

.break-page .tool-choices label {
  display: inline-flex;
  gap: 5px;
  align-items: center;
}

.break-page .tool-choices input {
  min-height: auto;
  margin: 0;
  padding: 0;
}

.break-page #result {
  margin: 22px 0 8px;
  font-size: clamp(24px, 5vw, 36px);
  font-weight: 700;
}

/* Pearl calculator */
.pearls-page {
  --background: #edf1f4;
  --panel: #aecfe3;
  --panel-hover: #bdd9e9;
  --panel-border: #66879b;
  --accent-dark: #294b60;
  background-color: var(--background);
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px);
  background-size: 24px 24px;
}

.pearls-page main {
  width: min(calc(100% - 24px), 800px);
  margin-right: auto;
  margin-left: auto;
}

.pearls-page .container {
  display: grid;
  grid-template-columns: minmax(400px, 1.2fr) minmax(260px, 0.8fr);
  width: 100%;
  max-width: none;
  gap: 10px;
}

.pearls-page .input-group {
  grid-template-columns: minmax(170px, 220px) 160px;
  justify-content: start;
}

.pearls-page .panel {
  min-width: 0;
  padding: 16px;
}

.pearls-page h1,
.pearls-page h2 {
  margin-bottom: 20px;
}

.pearls-page .toggle-button.active {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: #fff;
}

.pearls-page .output-value {
  color: var(--accent-dark);
  font-size: clamp(30px, 5vw, 44px);
}

/* Horse calculator */
.horse-page {
  --background: #f0ede6;
  --panel: #ead7b4;
  --panel-hover: #f0dfc0;
  --panel-border: #a78554;
  --accent-dark: #594322;
  background-color: var(--background);
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px);
  background-size: 24px 24px;
}

.horse-page .horse-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.horse-page :is(.horse, #tester) {
  display: block;
  padding: 14px;
}

.horse-page #tester {
  background: #b8d59c;
  border-color: #78945d;
}

.horse-page h1 {
  margin: 0 0 20px;
  font-size: clamp(30px, 5vw, 48px);
}

.horse-page h4 {
  margin: 0 0 14px;
  font-size: 18px;
}

.horse-page .actions {
  display: flex;
  gap: 10px;
  margin: 16px 0;
}

.horse-page #graphs {
  width: 100%;
  max-width: 100%;
  height: auto;
  min-height: 400px;
  overflow: hidden;
}

/* STV calculator */
.stv-page {
  --background: #eeeaf0;
  --panel: #d9c9df;
  --panel-hover: #e3d7e7;
  --panel-border: #8e7697;
  --accent-dark: #4e3b55;
}

.stv-page .stv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.55fr);
  gap: 10px;
  align-items: start;
}

.stv-page .box,
.stv-page .description {
  margin: 0;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.55);
}

.stv-page h1 {
  margin: 0 0 20px;
  font-size: clamp(30px, 5vw, 48px);
}

.stv-page #stepnum {
  margin-bottom: 16px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stv-page .candidate {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.stv-page .candidate input {
  width: min(100%, 320px);
}

.stv-page .x {
  align-self: center;
  color: #8a2929;
  font-weight: 700;
}

.stv-page .choice {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  margin: 14px 0;
  padding-top: 12px;
  border-top: 1px solid rgba(23, 62, 58, 0.2);
}

.stv-page .choice label {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.stv-page .choice input {
  min-height: auto;
}

.stv-page .step-actions,
.stv-page .wizard-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.stv-page #error {
  min-height: 24px;
  margin: 12px 0 0;
  color: #8a2929;
  font-weight: 600;
}

.stv-page #elected {
  margin-bottom: 18px;
  font-size: 20px;
}

.stv-page #log {
  max-height: 360px;
  overflow: auto;
  padding: 14px;
  background: rgba(255, 255, 255, 0.5);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

@media (max-width: 700px) {
  .tool-page main {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .break-page .calculator-layout,
  .pearls-page .container,
  .horse-page .horse-layout,
  .stv-page .stv-layout {
    grid-template-columns: 1fr;
  }

  .break-page #input > p {
    align-items: flex-start;
    flex-direction: column;
  }

  .break-page .primary {
    flex-basis: auto;
    text-align: left;
  }

  .pearls-page .panel {
    padding: 14px;
  }

  .pearls-page .input-group {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .pearls-page main {
    width: min(calc(100% - 20px), 800px);
    margin-right: auto;
    margin-left: auto;
  }

  .pearls-page label {
    text-align: left;
  }

  .pearls-page input[type="number"],
  .pearls-page input[type="date"] {
    width: 100%;
  }

  .horse-page .actions {
    align-items: stretch;
    flex-direction: column;
  }
}

.hero-copy {
  max-width: 520px;
  margin: 28px 0 16px;
  color: var(--accent-dark);
  font-size: 18px;
  line-height: 1.6;
}

/* Tools */
.tools-section {
  padding: 48px 0 64px;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.04em;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.tool-card {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition:
    background 160ms ease,
    transform 160ms ease;
}

.tool-card:hover {
  background: var(--panel-hover);
  transform: translate(-2px, -2px);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.55),
    4px 4px 0 rgba(0, 0, 0, 0.11);
}

.mod-card {
  background: #edc7b9;
  border-color: #d97757;
}

.mod-card:hover {
  background: #f3d5ca;
}

.mod-card .tool-content p {
  color: #653b2d;
}

.mortgage-card,
.stv-card {
  background: #d9c9df;
  border-color: #8e7697;
}

.mortgage-card:hover,
.stv-card:hover {
  background: #e3d7e7;
}

.mortgage-card .tool-content p,
.stv-card .tool-content p {
  color: #4e3b55;
}

.tool-content h3 {
  margin: 0 0 10px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.tool-content p {
  max-width: 390px;
  margin: 0;
  color: var(--accent-dark);
  font-size: 15px;
  line-height: 1.55;
}

/* Responsive */
@media (max-width: 700px) {
  main {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .hero {
    padding: 20px;
  }

  .tools-section {
    padding: 40px 0 56px;
  }

  .tool-grid {
    grid-template-columns: 1fr;
  }

  .tool-card {
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tool-card {
    transition: none;
  }
}