:root {
  --black: #000000;
  --near-black: #292929;
  --dark-gray: #404040;
  --yellow: #fbed20;
  --gold: #ffdc13;
  --gold-alt: #ffcd2b;
  --white: #ffffff;
  --green: #22c55e;
  --yellow-status: #fbed20;
  --red: #ef4444;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  background: var(--black);
  color: var(--white);
  font-family: "Roboto", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

body {
  background: linear-gradient(180deg, var(--black) 0%, var(--near-black) 100%);
  background-attachment: fixed;
}

.scoreboard {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* HEADER */
.header {
  text-align: center;
  padding: 24px 0 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header__date {
  font-family: "Oswald", sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 14px;
  color: var(--white);
  margin-bottom: 12px;
}

.header__word {
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: clamp(56px, 12vw, 128px);
  line-height: 1;
  color: var(--yellow);
  margin-bottom: 16px;
}

.header__iam {
  font-family: "Roboto", sans-serif;
  font-style: italic;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.92;
}

/* HERO METRIC */
.hero {
  background: linear-gradient(135deg, var(--near-black) 0%, var(--black) 100%);
  border: 1px solid rgba(251, 237, 32, 0.16);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(251, 237, 32, 0.08), transparent 70%);
  pointer-events: none;
}

.hero__label,
.card__label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  font-size: 14px;
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
}

.hero__label > span,
.card__label > span {
  text-align: left;
}

.hero__target,
.card__target {
  font-family: "Roboto", sans-serif;
  font-weight: 500;
  font-size: 14px;
  color: var(--white);
  opacity: 0.85;
}

.hero__updated,
.card__updated {
  font-family: "Roboto Mono", monospace;
  font-size: 11px;
  color: var(--white);
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
}

/* STATUS DOT */
.status-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  display: inline-block;
  background: var(--dark-gray);
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
  transition: background 200ms ease;
}

.status-dot[data-status="green"] {
  background: var(--green);
  box-shadow: 0 0 16px rgba(34, 197, 94, 0.6);
}

.status-dot[data-status="yellow"] {
  background: var(--yellow-status);
  box-shadow: 0 0 16px rgba(251, 237, 32, 0.6);
}

.status-dot[data-status="red"] {
  background: var(--red);
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.6);
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: var(--near-black);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 220px;
}

.card__value {
  font-family: "Roboto Mono", monospace;
  font-weight: 700;
  font-size: 56px;
  line-height: 1;
  color: var(--yellow);
  letter-spacing: -0.02em;
}

.card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* PULSE GRID */
.pulse {
  display: grid;
  width: 100%;
  position: relative;
  gap: 8px;
}

.pulse--hero {
  grid-template-columns: 1fr 1.5fr 1fr 1fr;
  margin: 12px 0 20px;
  align-items: stretch;
}

.pulse--card {
  grid-template-columns: 1fr 1fr;
  margin: 8px 0 12px;
  flex: 1;
}

.pulse__cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding: 16px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  text-align: center;
}

.pulse__cell--feature {
  background: rgba(251, 237, 32, 0.06);
  border-color: rgba(251, 237, 32, 0.18);
}

.pulse__range {
  font-family: "Oswald", sans-serif;
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--white);
  opacity: 0.85;
}

.pulse__value {
  font-family: "Roboto Mono", monospace;
  font-weight: 700;
  font-size: clamp(28px, 4.5vw, 52px);
  line-height: 1;
  color: var(--yellow);
  letter-spacing: -0.02em;
}

.pulse__value--feature {
  font-size: clamp(48px, 8vw, 96px);
}

.pulse__trend {
  font-family: "Roboto Mono", monospace;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 18px;
}

.pulse__trend--up {
  color: var(--green);
}

.pulse__trend--down {
  color: var(--red);
}

.pulse__trend--flat {
  color: var(--white);
  opacity: 0.6;
}

.pulse__trend--empty {
  visibility: hidden;
}

.pulse--card .pulse__value {
  font-size: clamp(28px, 6vw, 40px);
}

/* CONVERSATIONS CONTROLS */
.card__controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}

.card__input {
  flex: 1;
  background: var(--black);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--yellow);
  font-family: "Roboto Mono", monospace;
  font-weight: 700;
  font-size: 20px;
  text-align: center;
  padding: 10px 12px;
  border-radius: 8px;
  -moz-appearance: textfield;
}

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

.card__input:focus {
  outline: none;
  border-color: var(--yellow);
  box-shadow: 0 0 0 2px rgba(251, 237, 32, 0.2);
}

.btn-step {
  background: var(--black);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--white);
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  font-size: 22px;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 150ms ease;
}

.btn-step:hover,
.btn-step:focus {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
  outline: none;
}

.btn-step:active {
  transform: scale(0.95);
}

/* SOURCE LINK */
.source-link {
  font-family: "Roboto", sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--white);
  opacity: 0.6;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid transparent;
  transition: all 150ms ease;
}

.source-link:hover {
  opacity: 1;
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* FOOTER */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__timestamp {
  font-family: "Roboto Mono", monospace;
  font-size: 11px;
  color: var(--white);
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.btn-refresh {
  background: var(--yellow);
  color: var(--black);
  border: none;
  font-family: "Oswald", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 13px;
  padding: 12px 24px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 150ms ease;
}

.btn-refresh:hover,
.btn-refresh:focus {
  background: var(--gold);
  outline: none;
  transform: translateY(-1px);
}

.btn-refresh:active {
  transform: translateY(0);
}

.btn-refresh[disabled] {
  opacity: 0.5;
  cursor: wait;
}

/* RESPONSIVE */
@media (max-width: 700px) {
  .pulse--hero {
    grid-template-columns: 1fr 1fr;
  }
  .pulse--hero .pulse__cell--feature {
    grid-column: span 2;
  }
  .pulse__value--feature {
    font-size: clamp(56px, 14vw, 88px);
  }
}

@media (max-width: 600px) {
  .scoreboard {
    padding: 20px 16px 32px;
    gap: 24px;
  }
  .hero {
    padding: 28px 20px;
  }
  .card {
    padding: 20px;
  }
}