/* Shared tokens (colors, radius, shadow, fonts) come from /shared/tokens.css */
:root {
  --nav-height: var(--tool-nav-height);
  --card-gap: 0.75rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;

  display: flex;

  flex-direction: column;

  font-family: var(--font-sans);

  background: var(--bg);

  color: var(--text);

  min-height: 100vh;
}

.app {
  display: flex;

  align-items: stretch;

  flex: 1;

  min-height: 0;
}

.summary {
  flex-shrink: 0;

  width: 280px;

  padding: 1.5rem;

  border-right: 1px solid var(--border);

  display: flex;

  flex-direction: column;

  gap: 1rem;

  background: var(--surface);

  position: sticky;

  top: var(--nav-height);

  align-self: flex-start;

  min-height: calc(100vh - var(--nav-height));

  z-index: 10;
}

.summary-guests {
  padding-bottom: 0.25rem;

  border-bottom: 1px solid var(--border);

  margin-bottom: 0.25rem;
}

.summary-guest-count {
  margin: 0;

  font-family: var(--font-display);

  text-transform: var(--display-case);

  font-size: 2rem;

  font-weight: 700;

  letter-spacing: -0.03em;

  line-height: 1.1;

  color: var(--accent-text);

  font-variant-numeric: tabular-nums;
}

.summary-card {
  padding: 1.25rem;

  border-radius: var(--radius);

  background: var(--accent-soft);

  border: 1px solid rgba(var(--accent-rgb), 0.25);
}

.summary-card--primary {
  background: var(--accent-soft);

  border-color: rgba(var(--accent-rgb), 0.35);
}

.summary-card--muted {
  background: transparent;

  border-color: var(--border);
}

.summary-label {
  margin: 0 0 0.35rem;

  font-family: var(--font-mono);

  font-size: 0.72rem;

  font-weight: 500;

  text-transform: uppercase;

  letter-spacing: 0.06em;

  color: var(--text-muted);
}

.summary-value {
  margin: 0;

  font-family: var(--font-display);

  text-transform: var(--display-case);

  font-size: 1.5rem;

  font-weight: 700;

  letter-spacing: -0.04em;

  line-height: 1.2;
}

.summary-value--sm {
  font-size: 1.35rem;
}

.summary-value .currency {
  font-size: 0.85em;

  font-weight: 600;

  color: var(--text-muted);
}

.workspace {
  flex: 1;

  min-width: 0;

  padding: 1.5rem;
}

.form-stack {
  max-width: 640px;

  margin: 0 auto;

  display: flex;

  flex-direction: column;

  gap: 1.75rem;
}

.section-title {
  margin: 0 0 0.75rem;

  font-family: var(--font-mono);

  font-size: 0.7rem;

  font-weight: 500;

  text-transform: uppercase;

  letter-spacing: 0.08em;

  color: var(--text-muted);
}

.card-list {
  display: flex;

  flex-direction: column;

  gap: var(--card-gap);
}

.card--people + .card-list {
  margin-top: var(--card-gap);
}

.card {
  background: var(--surface);

  border: 1px solid var(--border);

  border-radius: var(--radius);

  box-shadow: var(--shadow);

  overflow: hidden;
}

.card--people {
  border-color: rgba(var(--accent-rgb), 0.35);
}

.card-header {
  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 0.75rem;

  padding: 1.05rem 1.25rem;

  min-height: 3rem;
}

.card-header--toggle {
  cursor: pointer;

  user-select: none;

  transition: background 0.15s;
}

.card-header--toggle:hover {
  background: var(--surface-hover);
}

.card-header-text {
  flex: 1;

  min-width: 0;
}

.card-title {
  margin: 0;

  font-family: var(--font-display);

  text-transform: var(--display-case);

  font-size: 0.9rem;

  font-weight: 600;

  letter-spacing: -0.01em;
}

.card-hint {
  margin: 0.2rem 0 0;

  font-size: 0.78rem;

  color: var(--text-muted);
}

.card-body {
  padding: 0.85rem 1.25rem 1.3rem;

  border-top: 1px solid var(--border);
}

.card-body[hidden] {
  display: none;
}

.card.is-collapsed .btn-exclude svg {
  transform: rotate(-90deg);
}

.card.is-excluded {
  opacity: 0.72;
  border-style: dashed;
}

.card.is-excluded .card-title,
.card.is-excluded .custom-name {
  color: var(--text-muted);
}

.card-hint--excluded {
  color: var(--warning);
  font-size: 0.72rem;
  margin-top: 0.15rem;
}

.card-header-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.btn-exclude {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.55rem;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition:
    color 0.15s,
    border-color 0.15s,
    background 0.15s;
}

.btn-exclude:hover {
  color: var(--accent-text);
  border-color: rgba(var(--accent-rgb), 0.4);
}

.btn-exclude[aria-pressed="true"] {
  color: var(--warning);
  border-color: color-mix(in srgb, var(--warning) 45%, transparent);
  background: color-mix(in srgb, var(--warning) 8%, transparent);
}

.btn-exclude svg {
  width: 0.85rem;
  height: 0.85rem;
  transition: transform 0.2s;
}

.field {
  display: grid;

  gap: 0.65rem;
}

.field + .field {
  margin-top: 0.85rem;

  padding-top: 0.85rem;

  border-top: 1px solid var(--border);
}

.field-label {
  display: flex;

  justify-content: space-between;

  align-items: baseline;

  gap: 0.5rem;

  font-size: 0.8125rem;

  font-weight: 500;

  color: var(--text-muted);
}

.field-value {
  font-weight: 600;

  color: var(--accent-text);

  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;

  height: 6px;

  margin: 0.35rem 0.125rem;

  accent-color: var(--accent);

  cursor: pointer;
}

input[type="number"],
input[type="text"],
select {
  width: 100%;

  padding: 0.55rem 0.75rem;

  font: inherit;

  font-size: 0.875rem;

  color: var(--text);

  background: var(--bg);

  border: 1px solid var(--border);

  border-radius: 8px;
}

input[type="number"] {
  max-width: 120px;
}

input:focus,
select:focus {
  outline: 2px solid var(--accent-text);

  outline-offset: 1px;
}

.custom-empty {
  margin: 0;

  padding: 1rem;

  font-size: 0.875rem;

  color: var(--text-muted);

  text-align: center;

  border: 1px dashed var(--border);

  border-radius: var(--radius);
}

.card--custom .card-header {
  margin-bottom: 0;
}

.card--custom .custom-controls {
  margin-bottom: 0;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.custom-controls + .field {
  margin-top: 0.85rem;
}

.custom-name {
  flex: 1;
  min-width: 0;
}

.custom-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

@media (max-width: 480px) {
  .custom-controls {
    grid-template-columns: 1fr;
  }
}

.btn-remove {
  padding: 0.35rem 0.65rem;

  font: inherit;

  font-size: 0.75rem;

  font-weight: 500;

  color: var(--danger);

  background: var(--danger-soft);

  border: 1px solid color-mix(in srgb, var(--danger) 25%, transparent);

  border-radius: 6px;

  cursor: pointer;

  white-space: nowrap;

  transition: background 0.15s;
}

.btn-remove:hover {
  background: color-mix(in srgb, var(--danger) 20%, transparent);
}

.btn-add {
  display: flex;

  align-items: center;

  justify-content: center;

  gap: 0.4rem;

  width: 100%;

  margin-top: var(--card-gap);

  padding: 0.75rem;

  font: inherit;

  font-size: 0.875rem;

  font-weight: 600;

  color: var(--accent-text);

  background: var(--accent-soft);

  border: 1px dashed rgba(var(--accent-rgb), 0.4);

  border-radius: var(--radius);

  cursor: pointer;

  transition:
    background 0.15s,
    border-color 0.15s;
}

.btn-add:hover {
  background: rgba(var(--accent-rgb), 0.22);

  border-color: var(--accent);
}

.btn-add svg {
  width: 1.1rem;

  height: 1.1rem;
}

@media (max-width: 768px) {
  .app {
    flex-direction: column;
  }

  .summary {
    width: 100%;

    min-height: 0;

    flex-direction: row;

    flex-wrap: wrap;

    align-items: center;

    gap: 0.75rem 1rem;

    border-right: none;

    border-bottom: 1px solid var(--border);

    padding: 0.85rem 1rem;

    position: sticky;

    top: var(--nav-height);

    z-index: 20;
  }

  .summary-guests {
    flex: 0 0 auto;

    border-bottom: none;

    margin-bottom: 0;

    padding-bottom: 0;

    padding-right: 1rem;

    border-right: 1px solid var(--border);
  }

  .summary-guest-count {
    font-size: 1.5rem;
  }

  .summary-card {
    flex: 1 1 120px;

    padding: 0.75rem 1rem;
  }

  .summary-value {
    font-size: 1.35rem;
  }

  .summary-value--sm {
    font-size: 1.1rem;
  }

  .workspace {
    padding: 1rem;
  }
}