/* Vein-Hub — the panel: the one layout primitive every content page reuses */

.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease), transform var(--fast) var(--ease);
}
.panel::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 14px; height: 14px;
  border-top: 2px solid var(--red);
  border-left: 2px solid var(--red);
  opacity: 0;
  transition: opacity var(--fast) var(--ease);
}
.panel:hover {
  border-color: var(--border-strong);
  background: var(--panel-hover);
}
.panel:hover::before { opacity: 1; }
.panel.is-link { cursor: pointer; }
.panel.is-draft { border-style: dashed; }

.panel-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.9rem;
}
.panel-meta .index { color: var(--red); }

.panel-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-alt);
  flex-shrink: 0;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}
.panel-icon svg { width: 22px; height: 22px; }
.panel:hover .panel-icon { color: var(--red-bright); border-color: var(--red-dim); }

.panel-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.75rem;
}
.panel-head h3 { margin: 0; font-size: 1.02rem; }
.panel-head .sub { color: var(--text-faint); font-size: 0.8rem; margin-top: 0.15em; }

.panel-body { color: var(--text-dim); font-size: 0.92rem; }
.panel-body p:last-child { margin-bottom: 0; }

.panel-foot {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* Compact list-style panel row (used in recipe material lists, task lists) */
.panel-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}
.panel-row:last-child { border-bottom: none; }
.panel-row .panel-icon { width: 30px; height: 30px; }
.panel-row .panel-icon svg { width: 16px; height: 16px; }
.panel-row .label { flex: 1; font-size: 0.9rem; color: var(--text); }
.panel-row .qty { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-dim); }

/* Task type accents inside tutorial day panels */
.task-collect .panel-icon { color: #8fb4d8; }
.task-craft .panel-icon { color: #e0c86a; }
.task-explore .panel-icon { color: #8fd8a0; }
.task-survive .panel-icon { color: var(--red-bright); }
.task-warning { border-color: var(--red-dim); }
.task-warning .panel-icon { color: var(--red-bright); border-color: var(--red-dim); }