/* components.css
   Reusable pieces used across pages: buttons, pills/badges, cards, forms,
   upload zones, roster items, file previews, list tables, feedback items,
   reference cards, toasts, filter bar, empty state.
   Depends on: variables.css (custom properties). */

/* BUTTONS */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.btn-primary { background: var(--teal); color: #fff; width: 100%; justify-content: center; }
.btn-primary:hover { background: var(--teal2); }
.btn-secondary { background: var(--paper2); color: var(--ink2); }
.btn-secondary:hover { background: var(--paper3); }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-danger { background: var(--coral-l); color: var(--coral); }
.btn-danger:hover { background: var(--coral); color: #fff; }
.btn-auto { width: auto; }

/* CARDS */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: all .2s;
  border: 1.5px solid transparent;
}
.card:hover { border-color: var(--teal-m); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.card-title { font-family: 'DM Serif Display', serif; font-size: 17px; margin-bottom: 6px; }
.card-meta {
  font-size: 12px;
  color: var(--ink3);
  margin-bottom: 10px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.card-meta span { display: flex; align-items: center; gap: 4px; }
.card-desc {
  font-size: 13px;
  color: var(--ink2);
  line-height: 1.5;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-footer { display: flex; align-items: center; justify-content: space-between; }

/* PILLS / BADGES */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
}
.pill-grey { background: var(--paper3); color: var(--ink3); }
.pill-amber { background: var(--amber-l); color: #8b6914; }
.pill-indigo { background: var(--indigo-l); color: var(--indigo); }
.pill-teal { background: var(--teal-l); color: var(--teal2); }
.pill-coral { background: var(--coral-l); color: var(--coral); }
.pill-year { background: var(--paper2); color: var(--ink3); font-size: 10px; padding: 2px 8px; }

.submission-count { font-size: 12px; color: var(--ink3); font-weight: 500; }

/* FORMS */

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink3);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 6px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--paper3);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--paper);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--teal);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }
.form-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }

.checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.checkbox-row input[type="checkbox"] { width: auto; margin: 0; accent-color: var(--teal); }
.checkbox-row label { margin: 0; text-transform: none; font-weight: 500; font-size: 13px; color: var(--ink2); }

/* LIST TABLE */

.list-table { width: 100%; border-collapse: collapse; }
.list-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink4);
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--paper3);
}
.list-table td {
  padding: 12px;
  font-size: 13px;
  border-bottom: 1px solid var(--paper2);
  vertical-align: middle;
}
.list-table tr { cursor: pointer; transition: background .15s; }
.list-table tbody tr:hover { background: var(--paper); }

.thumb { width: 44px; height: 44px; border-radius: 6px; object-fit: cover; background: var(--paper2); }

/* EMPTY STATE */

.empty-state { text-align: center; padding: 60px 20px; color: var(--ink3); }
.empty-state .icon { font-size: 40px; margin-bottom: 12px; opacity: .4; }
.empty-state h3 { font-size: 16px; margin-bottom: 6px; color: var(--ink3); }
.empty-state p { font-size: 13px; color: var(--ink4); }

/* FEEDBACK ITEMS */

.fb-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  border-left: 3px solid var(--paper3);
}
.fb-item.fb-pos { border-left-color: var(--teal); }
.fb-item.fb-warn { border-left-color: var(--amber); }
.fb-item.fb-crit { border-left-color: var(--coral); }
.fb-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--ink3);
  flex-wrap: wrap;
}
.fb-msg { font-size: 14px; color: var(--ink2); line-height: 1.6; }

/* ROSTER */

.roster-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .15s;
  border-bottom: 1px solid var(--paper2);
}
.roster-item:hover { background: var(--paper); }
.roster-info { flex: 1; min-width: 0; }
.roster-info .name { font-weight: 600; font-size: 14px; }
.roster-info .detail { font-size: 12px; color: var(--ink3); margin-top: 2px; }
.roster-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* UPLOAD / FILE PREVIEW */

.upload-zone {
  border: 2px dashed var(--paper3);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  background: var(--paper);
}
.upload-zone:hover { border-color: var(--teal-m); background: var(--teal-l); }
.upload-zone .icon { font-size: 32px; margin-bottom: 8px; opacity: .5; }
.upload-zone p { font-size: 13px; color: var(--ink3); }

.file-preview { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.file-thumb { width: 64px; height: 64px; border-radius: 6px; object-fit: cover; border: 1.5px solid var(--paper3); }

/* REFERENCE LIBRARY GRID */

.ref-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.ref-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .2s;
  border: 1.5px solid transparent;
}
.ref-card:hover { border-color: var(--teal-m); transform: translateY(-2px); }
.ref-card-img { width: 100%; height: 140px; object-fit: cover; background: var(--paper2); display: block; cursor: pointer; }
.ref-card-img-placeholder {
  width: 100%;
  height: 140px;
  background: linear-gradient(135deg, var(--paper2), var(--paper3));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  opacity: .4;
}
.ref-card-body { padding: 14px 16px; }
.ref-card-body .title { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.ref-card-body .desc {
  font-size: 12px;
  color: var(--ink3);
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ref-card-body .link a { font-size: 12px; color: var(--teal); text-decoration: none; font-weight: 500; }
.ref-card-actions { display: flex; gap: 6px; padding: 0 16px 14px; }
.ref-tags { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 8px; }
.ref-tag { font-size: 10px; padding: 2px 8px; border-radius: 12px; background: var(--paper2); color: var(--ink3); }

/* TOAST */

.toast-container { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 400; }
.toast {
  background: var(--ink);
  color: #fff;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn .3s ease, toastOut .3s ease 2.5s forwards;
}
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateY(-10px); } }

/* FILTER BAR */

.filter-bar { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.filter-bar select, .filter-bar input {
  padding: 8px 12px;
  border: 1.5px solid var(--paper3);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  background: #fff;
  color: var(--ink);
  outline: none;
}