/* ============================================
   CALCULATORS — Matches NFL Projections style
   Solid dark surfaces, Sora + IBM Plex Mono
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ===== DESIGN TOKENS ===== */
:root {
  --calc-font-display: 'Sora', -apple-system, sans-serif;
  --calc-font-mono: 'IBM Plex Mono', 'SF Mono', monospace;
  --calc-glow-primary: rgba(30, 251, 151, 0.4);
  --calc-glow-subtle: rgba(30, 251, 151, 0.15);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== PAGE ===== */
.calc-page {
  min-height: 100vh;
  background: var(--color-gray-950);
  padding-bottom: 80px;
}

main:has(.calc-page) {
  background: var(--color-gray-950);
}

/* ===== HERO ===== */
.calc-hero {
  max-width: 1400px;
  margin: 0 auto;
  padding: 64px 24px 40px;
  text-align: center;
  animation: fadeUp 0.5s ease-out;
}

.calc-hero h1 {
  font-family: var(--calc-font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-white);
  margin: 0 0 12px;
  line-height: 1.1;
}

.calc-hero p {
  font-family: var(--calc-font-display);
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0 auto;
  max-width: 560px;
  line-height: 1.6;
}

/* ===== LAYOUT ===== */
.calc-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  align-items: start;
  animation: fadeUp 0.5s ease-out 0.1s both;
}

.calc-container--single {
  grid-template-columns: 1fr;
  max-width: 520px;
}

/* ===== CARDS ===== */
.calc-card {
  background: var(--color-gray-900);
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  padding: 28px;
}

.calc-card h2 {
  font-family: var(--calc-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-tertiary);
  margin: 0 0 24px;
}

/* ===== FORM GROUPS ===== */
.calc-group {
  margin-bottom: 20px;
}

.calc-group label {
  display: block;
  font-family: var(--calc-font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.calc-input,
.calc-select {
  width: 100%;
  padding: 12px 14px;
  background: var(--color-gray-800);
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
  color: var(--color-text-primary);
  font-family: var(--calc-font-display);
  font-size: 0.9rem;
  font-weight: 600;
  transition: border-color 0.2s ease;
  box-sizing: border-box;
}

.calc-input:focus,
.calc-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.calc-input::placeholder {
  color: var(--color-gray-600);
  font-weight: 400;
}

.calc-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%231EFB97' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.calc-select:hover,
.calc-select:focus {
  border-color: var(--color-primary);
}

/* Inline row */
.calc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== RESULTS ===== */
.calc-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.calc-result {
  text-align: center;
  padding: 20px 12px;
  background: var(--color-gray-800);
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
}

.calc-result:only-child,
.calc-result:first-child:nth-last-child(odd) {
  grid-column: 1 / -1;
}

.calc-result__value {
  display: block;
  font-family: var(--calc-font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.calc-result__label {
  display: block;
  font-family: var(--calc-font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.calc-result--highlight {
  background: var(--color-gray-800);
  border-color: var(--color-primary);
  box-shadow: 0 2px 12px var(--calc-glow-subtle);
}

.calc-result--highlight .calc-result__value {
  color: var(--color-primary);
}

.calc-result--positive .calc-result__value {
  color: var(--color-primary);
}

.calc-result--negative .calc-result__value {
  color: var(--color-error);
}

/* ===== LEGS (Parlay / Round Robin) ===== */
.calc-legs {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.calc-leg {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
}

.calc-leg .calc-group {
  margin-bottom: 0;
}

.calc-leg-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-gray-800);
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
  color: var(--color-text-tertiary);
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

.calc-leg-remove:hover {
  color: var(--color-error);
  border-color: var(--color-error);
  background: var(--color-gray-700);
}

.calc-add-leg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--color-gray-800);
  border: 1px dashed var(--color-border-light);
  border-radius: 10px;
  color: var(--color-text-tertiary);
  cursor: pointer;
  font-family: var(--calc-font-display);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
  margin-top: 8px;
}

.calc-add-leg:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-gray-750);
}

/* ===== BUTTON ===== */
.calc-btn {
  display: block;
  width: 100%;
  padding: 12px 24px;
  background: var(--color-primary);
  color: var(--color-gray-950);
  border: none;
  border-radius: 10px;
  font-family: var(--calc-font-display);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 20px;
  box-shadow: 0 2px 12px var(--calc-glow-primary);
}

.calc-btn:hover {
  box-shadow: 0 4px 20px var(--calc-glow-primary);
  transform: translateY(-1px);
}

/* ===== INFO / EDUCATIONAL ===== */
.calc-info {
  max-width: 1000px;
  margin: 64px auto 0;
  padding: 0 24px;
  animation: fadeUp 0.5s ease-out 0.15s both;
}

.calc-info h2 {
  font-family: var(--calc-font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0 0 20px;
}

.calc-info h3 {
  font-family: var(--calc-font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 32px 0 16px;
}

.calc-info p {
  font-family: var(--calc-font-display);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0 0 16px;
  max-width: 700px;
}

.calc-info p strong {
  color: var(--color-text-primary);
}

.calc-info ul {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.calc-info li {
  font-family: var(--calc-font-display);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 10px 0;
  padding-left: 16px;
  position: relative;
}

.calc-info li::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.8rem;
}

.calc-info li strong {
  color: var(--color-text-primary);
}

.calc-info code {
  font-family: var(--calc-font-mono);
  font-size: 0.85em;
  color: var(--color-primary);
  background: rgba(30, 251, 151, 0.12);
  padding: 3px 8px;
  border-radius: 4px;
}

/* ===== CTA BANNER ===== */
.calc-cta {
  text-align: center;
  background: var(--color-gray-900);
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  padding: 48px 28px;
  max-width: 1000px;
  margin: 64px auto 0;
  animation: fadeUp 0.5s ease-out 0.2s both;
}

.calc-cta h2 {
  font-family: var(--calc-font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-white);
  margin: 0 0 8px;
}

.calc-cta p {
  font-family: var(--calc-font-display);
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  max-width: 460px;
  margin: 0 auto 28px;
  line-height: 1.6;
}

.calc-cta .app-store-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* ===== HUB PAGE ===== */
.calc-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  animation: fadeUp 0.5s ease-out 0.1s both;
}

.calc-hub-card {
  display: flex;
  flex-direction: column;
  background: var(--color-gray-900);
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  padding: 24px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.calc-hub-card:hover {
  border-color: var(--color-primary);
  background: var(--color-gray-800);
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.calc-hub-card:hover .calc-hub-card__name {
  color: var(--color-primary);
}

.calc-hub-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 251, 151, 0.12);
  border-radius: 8px;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.calc-hub-card__name {
  font-family: var(--calc-font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 6px;
  transition: color 0.15s ease;
}

.calc-hub-card__desc {
  font-family: var(--calc-font-display);
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
  line-height: 1.5;
}

/* ===== ROUND ROBIN COMBOS TABLE ===== */
.calc-combos {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 20px;
}

.calc-combos th,
.calc-combos td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.calc-combos th {
  font-family: var(--calc-font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
}

.calc-combos td {
  font-family: var(--calc-font-mono);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
}

.calc-combos tbody tr:hover {
  background: rgba(30, 251, 151, 0.05);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .calc-container {
    grid-template-columns: 1fr;
    padding: 0 16px;
  }

  .calc-hub-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 16px;
  }
}

@media (max-width: 600px) {
  .calc-hero {
    padding: 40px 16px 24px;
  }

  .calc-hero h1 {
    font-size: 2rem;
  }

  .calc-card {
    padding: 20px;
  }

  .calc-row {
    grid-template-columns: 1fr;
  }

  .calc-results {
    grid-template-columns: 1fr;
  }

  .calc-hub-grid {
    grid-template-columns: 1fr;
  }

  .calc-result__value {
    font-size: 1.25rem;
  }

  .calc-info {
    padding: 0 16px;
    margin-top: 48px;
  }

  .calc-cta {
    margin: 48px 16px 0;
    padding: 32px 20px;
  }

  .calc-info h2 {
    font-size: 1.25rem;
  }
}