/* Components: buttons, cards, forms, alerts, toasts, modals, badges
   Uses tokens defined in css/variables.css (with fallbacks).
*/

/* Buttons */
.btn {
  font-weight: 600;
  border-radius: 999px;
  padding: calc(var(--space-1,8px) + 4px) var(--space-3,24px);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  border: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background-color .12s ease;
  background: var(--color-cta, #2a3d35);
  color: var(--color-white, #fff);
}
.btn:focus { outline: none; box-shadow: 0 0 0 4px rgba(42,127,115,0.12); }
.btn:active { transform: translateY(1px) scale(.995); }
.btn[disabled], .btn:disabled, .btn.is-disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-primary { background: linear-gradient(180deg, var(--color-primary-500, #3b6b57), var(--color-primary-700, #2a3d35)); color: var(--color-white, #fff); }
.btn-secondary { background: var(--color-cta-dark, #181f1c); color: var(--color-white, #fff); }
.btn-ghost { background: transparent; color: var(--color-primary-700, #2a3d35); border: 1px solid var(--color-neutral-200, #ccc); }

.btn:hover { transform: translateY(-3px); box-shadow: 0 10px 25px rgba(0,0,0,0.12); }

/* Cards */
.card {
  position: relative;
  background: var(--color-white, #fff);
  border-radius: var(--radius-md, 12px);
  padding: var(--space-3, 24px);
  box-shadow: 0 6px 18px rgba(18,18,18,0.06);
  display: flex;
  flex-direction: column;
  gap: var(--space-2, 16px);
  transition: transform 180ms ease, box-shadow 180ms ease;
  z-index: 1;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(18,18,18,0.08);
  z-index: 2;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.card-title {
  font-size: var(--fs-lg, 1.5rem);
  margin: 0;
  color: var(--color-neutral-900);
}

.card-body {
  color: var(--color-neutral-700);
  font-size: var(--fs-md, 1rem);
}

.card-footer {
  margin-top: auto;
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* Media preview button: used where we need to show an image on hover/focus (accessible) */
.media-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 6px;
  border-radius: 8px;
  border: 1px solid var(--color-neutral-200, #e6e6e6);
  background: var(--color-neutral-100, #f9f9f9);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}
.media-btn:focus { outline: none; box-shadow: 0 0 0 4px rgba(42,127,115,0.12); }
.media-btn .preview {
  position: absolute;
  top: 50%;
  left: calc(100% + 12px);
  transform: translateY(-50%) translateY(-6px) scale(.98);
  width: 360px; /* reduced to avoid overlap */
  max-width: 86vw;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.12);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease, transform .28s cubic-bezier(.2,.9,.3,1);
  z-index: 60;
  background: var(--color-white, #fff);
  overflow: hidden;
  padding: 10px;
  box-sizing: border-box;
}
.media-btn .preview img { display:block; width:100%; height:auto; object-fit:cover; border-radius:6px; }
.media-btn .preview .preview-panels { display: grid; grid-template-columns: repeat(2, minmax(140px, 1fr)); gap: 10px; align-items: start; }
.media-btn .preview .preview-panels .panel { padding: 8px 10px; border-radius: 6px; background: color-mix(in srgb, var(--color-neutral-50, #fafafa) 60%, white); box-shadow: none; }
.media-btn .preview .preview-panels h4 { margin: 0 0 6px 0; font-size: 0.98rem; }
.media-btn .preview .preview-panels ul { margin: 0; padding-left: 1rem; font-size: 0.9rem; color: var(--color-neutral-800); }
.media-btn .preview .preview-panels li { margin-bottom: 6px; line-height: 1.28; }
.media-btn:hover .preview,
.media-btn:focus .preview,
.media-btn:focus-within .preview {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) translateY(0) scale(1);
}

/* Hide preview on very small screens to avoid overflow; mobile can use click-to-open later */
@media (max-width: 520px) {
  .media-btn .preview { display: none; }
}

/* Floating preview used when we render the preview at body level to avoid clipping/overlap */
.floating-preview {
  position: fixed;
  z-index: 9999;
  width: 360px;
  max-width: 92vw;
  background: var(--color-white, #fff);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  padding: 12px;
  box-sizing: border-box;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease;
}

.floating-preview.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.floating-preview .preview-panels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-height: 60vh;
  overflow-y: auto;
}

.floating-preview .panel {
  background: var(--color-neutral-50, #fafafa);
  padding: 12px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.floating-preview h4 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--color-neutral-900);
}

.floating-preview ul {
  margin: 0;
  padding-left: 16px;
  font-size: 0.9rem;
  color: var(--color-neutral-700);
}

.floating-preview li {
  margin-bottom: 6px;
  line-height: 1.4;
}
.floating-preview .panel h4 { margin: 0 0 6px 0; font-size: 0.98rem; }
.floating-preview .panel ul { margin: 0; padding-left: 1rem; font-size: 0.9rem; color: var(--color-neutral-800); }
.floating-preview .panel li { margin-bottom: 6px; }

/* Form controls */
.form-control { width: 100%; padding: calc(var(--space-1,8px) + 4px); border-radius: var(--radius-sm, 6px); border: 1px solid var(--color-neutral-200, #ccc); font-size: var(--fs-md, 1rem); background: var(--color-white, #fff); color: var(--color-neutral-900, #111); }
.form-control:focus { outline: none; border-color: var(--color-primary-500, #3b6b57); box-shadow: 0 6px 16px rgba(42,127,115,0.08); }
.form-label { font-weight: 600; color: var(--color-neutral-900); }
.form-row { display:grid; gap: var(--space-2); }
.is-invalid { border-color: var(--color-danger); box-shadow: 0 0 0 4px rgba(231,76,60,0.08); }
.is-valid { border-color: var(--color-success); box-shadow: 0 0 0 4px rgba(46,204,113,0.06); }
.form-error { color: var(--color-danger); font-size: 0.9rem; margin-top: 0.25rem; }

/* Alerts */
.alert { padding: var(--space-2); border-radius: var(--radius-sm); display:flex; gap: var(--space-2); align-items:flex-start; box-shadow: 0 6px 18px rgba(18,18,18,0.04); }
.alert .icon { flex: 0 0 auto; }
.alert .message { flex: 1 1 auto; }
.alert-success { background: linear-gradient(180deg, color-mix(in srgb, var(--color-success) 12%, white), var(--color-success)); color: var(--color-white); }
.alert-danger { background: linear-gradient(180deg, color-mix(in srgb, var(--color-danger) 12%, white), var(--color-danger)); color: var(--color-white); }
.alert-info { background: var(--color-info); color: var(--color-neutral-900); }

/* Toasts */
.toast-container { position: fixed; top: var(--space-2); right: var(--space-2); display:flex; flex-direction:column; gap: var(--space-2); z-index: 9999; }
.toast { min-width: 220px; background: var(--color-white); color: var(--color-neutral-900); padding: var(--space-2); border-radius: var(--radius-sm); box-shadow: 0 8px 24px rgba(12,12,12,0.1); transform-origin: top right; animation: toast-in .28s ease; }
@keyframes toast-in { from { transform: translateY(-8px) scale(.98); opacity: 0 } to { transform: translateY(0) scale(1); opacity: 1 } }

/* Modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.55); display: flex; align-items: center; justify-content: center; z-index: 2000; padding: var(--space-3); }
.modal { background: var(--color-white); border-radius: var(--radius-md); max-width: 760px; width: 100%; box-shadow: 0 30px 80px rgba(12,12,12,0.2); overflow: hidden; }
.modal-header, .modal-footer { padding: var(--space-2); display:flex; align-items:center; justify-content:space-between; }
.modal-body { padding: var(--space-3); }
.modal-close { background: transparent; border: none; font-size: 1.2rem; cursor: pointer; }

/* Badges */
.badge { display:inline-block; padding: 0.25rem 0.6rem; border-radius: 999px; font-size: 0.8rem; font-weight: 600; }
.badge-primary { background: var(--color-primary-500); color: var(--color-white); }
.badge-secondary { background: var(--color-cta-dark); color: var(--color-white); }
.badge-neutral { background: var(--color-neutral-200); color: var(--color-neutral-900); }

/* Table / volunteer list */
#tabelaVoluntarios table{ width: 100%; border-collapse: collapse; margin-top: var(--space-2); font-family: var(--ui-font-family, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif); }
#tabelaVoluntarios th, #tabelaVoluntarios td{ padding: 0.75rem 1rem; border: 1px solid var(--color-neutral-200); text-align: center; }
#tabelaVoluntarios th{ background: var(--color-table-head); color: var(--color-white); font-weight: 600; }
#tabelaVoluntarios tr:nth-child(even){ background: var(--color-neutral-100); }
#tabelaVoluntarios tr:hover{ background: var(--color-neutral-50); }
#tabelaVoluntarios table{ border-radius: var(--radius-md); overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
#tabelaVoluntarios p{ text-align: center; font-weight: 500; color: var(--color-neutral-900); padding: var(--space-3); }