* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --color-background: #f7f8fb;
  --color-background-primary: #ffffff;
  --color-background-secondary: #f2f4f8;
  --color-border-primary: #7d8db4;
  --color-border-tertiary: #d8dbe7;
  --color-text-primary: #111827;
  --color-text-secondary: #4b5563;
  --color-text-tertiary: #6b7280;
  --color-text-info: #0f6fff;
  --color-text-success: #166534;
  --color-background-info: #eff6ff;
  --color-background-success: #ecfdf5;
  --border-radius-md: 12px;
  --border-radius-lg: 18px;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--color-background);
  color: var(--color-text-primary);
}
body[data-theme="dark"] {
  --color-background: #0f172a;
  --color-background-primary: #111827;
  --color-background-secondary: #1f2937;
  --color-border-primary: #4f46e5;
  --color-border-tertiary: #334155;
  --color-text-primary: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-tertiary: #94a3b8;
  --color-text-info: #93c5fd;
  --color-text-success: #86efac;
  --color-background-info: #1e3a8a;
  --color-background-success: #064e3b;
}
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}
.section {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.section-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  padding-bottom: 1rem;
}
.input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.input-group {
  display: flex;
  flex-direction: column;
}
.input-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}
.input-group input,
.input-group select,
.input-group button {
  padding: 0.75rem;
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-md);
  font-size: 14px;
  background: var(--color-background-primary);
  color: var(--color-text-primary);
}
.input-group input:focus,
.input-group select:focus,
.input-group button:focus {
  outline: none;
  border-color: var(--color-border-primary);
}
.rol-wrapper {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--color-background-secondary);
  border-radius: var(--border-radius-md);
}
.rol-left {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.rol-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-primary);
}
.rol-input,
.precio-input {
  padding: 0.75rem;
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-md);
  font-size: 14px;
  background: var(--color-background-primary);
  color: var(--color-text-primary);
}
.precio-input {
  text-align: center;
}
.precio-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.precio-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
}
.participant-pay-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.participant-cell,
.payment-cell {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-background-secondary);
  border-radius: var(--border-radius-md);
  border: 0.5px solid var(--color-border-tertiary);
  min-height: 150px;
}
.participant-cell label,
.payment-cell label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

@media (max-width: 720px) {
  .participant-pay-grid {
    grid-template-columns: 1fr;
  }

  .participant-cell,
  .payment-cell {
    min-height: auto;
  }

  .participant-pay-grid .payment-cell:empty {
    display: none;
  }

  .activity-list {
    border: none;
  }

  .activity-list thead {
    display: none;
  }

  .activity-list tbody,
  .activity-list tr {
    display: block;
  }

  .activity-list tr {
    margin-bottom: 1rem;
    border: 0.5px solid var(--color-border-tertiary);
    border-radius: var(--border-radius-md);
    background: var(--color-background-primary);
    overflow: hidden;
  }

  .activity-list td {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 0.75rem;
    padding: 0.85rem 0.9rem;
    text-align: left;
    border-bottom: none;
  }

  .activity-list td::before {
    content: attr(data-label);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    align-self: center;
  }

  .activity-list td:nth-of-type(1)::before {
    content: "Nombre";
  }
  .activity-list td:nth-of-type(2)::before {
    content: "Precio";
  }
  .activity-list td:nth-of-type(3)::before {
    content: "Modo";
  }
  .activity-list td:nth-of-type(4)::before {
    content: "Acción";
  }

  .activity-list input,
  .activity-list select,
  .activity-list button {
    width: 100%;
    min-width: 0;
    font-size: 15px;
  }
}

.rol-subtext {
  font-size: 12px;
  color: var(--color-text-tertiary);
}
.rol-total {
  font-size: 12px;
  color: var(--color-text-info);
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.result-card {
  background: var(--color-background-secondary);
  border-radius: var(--border-radius-md);
  padding: 1rem;
}
.result-label {
  font-size: 12px;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}
.result-value {
  font-size: 22px;
  font-weight: 500;
  color: var(--color-text-primary);
}
.result-value.highlight {
  font-size: 26px;
  color: var(--color-text-info);
}
.total-cost {
  grid-column: 1 / -1;
  background: var(--color-background-info);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
}
.total-cost .result-label {
  color: var(--color-text-info);
}
.total-cost .result-value {
  color: var(--color-text-info);
  font-size: 32px;
}
.summary-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}
.summary-table th,
.summary-table td {
  padding: 0.75rem;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  font-size: 13px;
}
.summary-table th {
  background: var(--color-background-secondary);
  text-align: left;
  font-weight: 500;
}
.summary-table tr:hover {
  background: var(--color-background-secondary);
}
.activity-list {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-bottom: 1rem;
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}
.activity-list th,
.activity-list td {
  padding: 0.85rem 0.9rem;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}
.activity-list th {
  background: var(--color-background-secondary);
  font-size: 12px;
  font-weight: 500;
  text-align: left;
}
.activity-list tbody tr:nth-child(odd) {
  background: var(--color-background-secondary);
}
.activity-list input,
.activity-list select {
  width: 100%;
  padding: 0.75rem;
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-md);
  font-size: 14px;
  background: var(--color-background-primary);
  color: var(--color-text-primary);
}
.activity-list select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image:
    linear-gradient(
      45deg,
      transparent 50%,
      var(--color-text-primary) 50%
    ),
    linear-gradient(
      135deg,
      var(--color-text-primary) 50%,
      transparent 50%
    );
  background-position:
    calc(100% - 1rem) calc(50% - 0.1rem),
    calc(100% - 0.75rem) calc(50% - 0.1rem);
  background-size:
    0.45rem 0.45rem,
    0.45rem 0.45rem;
  background-repeat: no-repeat;
  padding-right: 2rem;
}
.activity-actions {
  display: flex;
  justify-content: flex-start;
  gap: 0.75rem;
}
.button-secondary,
.button-primary {
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-md);
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  cursor: pointer;
  font-size: 14px;
  padding: 0.75rem 1rem;
}
.button-primary {
  background: var(--color-text-info);
  color: white;
  border-color: transparent;
}
.button-secondary:hover,
.button-primary:hover {
  opacity: 0.9;
}
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.page-title {
  min-width: 0;
}
.page-title h2 {
  font-size: 26px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}
.page-title p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 0;
}
.header-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: flex-end;
}
.icon-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-tertiary);
  background: var(--color-background-secondary);
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}
.icon-button:hover {
  background: var(--color-background-primary);
}
.icon-button .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2rem;
  height: 1.2rem;
}
.theme-toggle {
  margin-bottom: 0;
}

@media (max-width: 720px) {
  .page-header {
    align-items: center;
  }
}

.hero {
  margin-bottom: 2rem;
}
.hero h1 {
  font-size: 32px;
  margin-bottom: 0.75rem;
}
.hero p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: 18px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.card h2 {
  font-size: 20px;
  color: #0f172a;
}
.card p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.card a {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1rem;
  border-radius: 999px;
  background: #0f6fff;
  color: white;
  text-decoration: none;
  font-weight: 600;
}
.note {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  border-radius: 18px;
  background: #eff6ff;
  color: #0f3c80;
  border: 0.5px solid #dbeafe;
}