/* ═══════════════════════════════════════════════════════
   DUCKLINGS COMPONENTS — Reusable UI Elements
   ═══════════════════════════════════════════════════════ */

/* ── Buttons ─────────────────────────────────────────── */
.ducklings-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.75rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.ducklings-btn--primary {
  background: var(--pond-green);
  color: var(--pond-white);
}

.ducklings-btn--primary:hover {
  background: var(--pond-green-mid);
  box-shadow: var(--shadow-md);
}

.ducklings-btn--secondary {
  background: transparent;
  color: var(--pond-slate);
  border: 1.5px solid var(--pond-cloud);
}

.ducklings-btn--secondary:hover {
  border-color: var(--pond-mist);
  color: var(--pond-ink);
}

.ducklings-btn--sm {
  padding: 3px var(--space-sm);
  font-size: 0.6875rem;
}

/* ── Tag Pills ───────────────────────────────────────── */
.ducklings-tag {
  display: inline-block;
  padding: 2px var(--space-sm);
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: rgba(27, 67, 50, 0.07);
  color: var(--pond-green-mid);
  border: 1px solid rgba(27, 67, 50, 0.12);
  letter-spacing: 0.3px;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.ducklings-tag:hover {
  background: rgba(27, 67, 50, 0.12);
}

.ducklings-tag--sm {
  padding: 1px 6px;
  font-size: 0.625rem;
}

/* Colored tag variants */
.ducklings-tag[data-color="governance"]  { background: rgba(196,30,58,0.1);  color: var(--edu-governance);  border-color: rgba(196,30,58,0.2); }
.ducklings-tag[data-color="simulation"]  { background: rgba(64,145,108,0.1); color: var(--edu-simulation); border-color: rgba(64,145,108,0.2); }
.ducklings-tag[data-color="team"]        { background: rgba(27,107,147,0.1); color: var(--edu-team);       border-color: rgba(27,107,147,0.2); }
.ducklings-tag[data-color="info"]        { background: rgba(27,107,147,0.1); color: var(--pond-info);      border-color: rgba(27,107,147,0.2); }

.ducklings-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

/* ── Status Badge ────────────────────────────────────── */
.ducklings-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 2px var(--space-sm);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-radius: var(--radius-sm);
}

.ducklings-status__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  opacity: 0.8;
}

.ducklings-status--active {
  background: rgba(45,106,79,0.08);
  color: var(--pond-agree);
  border: 1px solid rgba(45,106,79,0.15);
}
.ducklings-status--active .ducklings-status__dot { background: var(--pond-agree); }

.ducklings-status--pending {
  background: rgba(212,160,23,0.08);
  color: var(--pond-duck-dark);
  border: 1px solid rgba(212,160,23,0.15);
}
.ducklings-status--pending .ducklings-status__dot { background: var(--pond-duck); }

.ducklings-status--closed {
  background: rgba(142,142,160,0.08);
  color: var(--pond-mist);
  border: 1px solid rgba(142,142,160,0.15);
}
.ducklings-status--closed .ducklings-status__dot { background: var(--pond-mist); }

/* ── Phase Indicators (education-specific) ───────────── */
.ducklings-phase {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 3px var(--space-md);
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  letter-spacing: 0.3px;
}

.ducklings-phase--1 { background: rgba(67,97,238,0.1);  color: var(--edu-phase-1); border: 1px solid rgba(67,97,238,0.2); }
.ducklings-phase--2 { background: rgba(114,9,183,0.1);  color: var(--edu-phase-2); border: 1px solid rgba(114,9,183,0.2); }
.ducklings-phase--3 { background: rgba(45,106,79,0.1);  color: var(--edu-phase-3); border: 1px solid rgba(45,106,79,0.2); }
.ducklings-phase--4 { background: rgba(212,160,23,0.1); color: var(--edu-phase-4); border: 1px solid rgba(212,160,23,0.2); }

/* ── Team Badge ──────────────────────────────────────── */
.ducklings-team-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 2px var(--space-sm);
  font-size: 0.625rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: rgba(27,107,147,0.08);
  color: var(--edu-team);
  border: 1px solid rgba(27,107,147,0.15);
}

/* ── Author Info ─────────────────────────────────────── */
.ducklings-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.ducklings-author__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(27, 67, 50, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--pond-green-mid);
  flex-shrink: 0;
  overflow: hidden;
}

.ducklings-author__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ducklings-author__avatar--lg {
  width: 36px;
  height: 36px;
  font-size: 0.875rem;
}

.ducklings-author__name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--pond-ink);
}

.ducklings-author__meta {
  font-size: 0.625rem;
  color: var(--pond-mist);
}

/* ── Card Base ───────────────────────────────────────── */
.ducklings-card {
  background: var(--pond-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--pond-cloud);
  transition: all var(--transition-normal);
}

.ducklings-card:hover {
  border-color: rgba(45, 106, 79, 0.25);
  box-shadow: var(--shadow-md);
}

.ducklings-card__header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--pond-frost);
}

.ducklings-card__body {
  padding: var(--space-lg);
}

.ducklings-card__footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--pond-frost);
}

/* ── Empty State ─────────────────────────────────────── */
.ducklings-empty {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  color: var(--pond-mist);
}

.ducklings-empty__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
  opacity: 0.5;
}

.ducklings-empty__text {
  font-size: 0.875rem;
}

/* ============================================================
   CDK Overflow Navigation Panel
   ============================================================ */
.ducklings-overflow-wrapper {
  margin: 0;
  padding: 0 var(--space-sm, 8px);
  border-top: 1px solid var(--pond-cloud, #E8E8ED);
}
.ducklings-overflow-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm, 8px);
  width: 100%;
  padding: var(--space-sm, 8px) var(--space-md, 12px);
  background: none;
  border: none;
  color: var(--pond-mist, #8E8EA0);
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-body, inherit);
  letter-spacing: 0.03em;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast, 0.15s);
  border-radius: var(--radius-md, 6px);
}
.ducklings-overflow-toggle:hover {
  background: var(--pond-frost, #F4F4F7);
  color: var(--pond-ink, #1A1A2E);
}
.ducklings-overflow-toggle[aria-expanded="true"] {
  color: var(--pond-ink, #1A1A2E);
  background: var(--pond-frost, #F4F4F7);
}
.ducklings-overflow-icon {
  font-size: 1.1rem;
  line-height: 1;
  letter-spacing: 0.1em;
}
.ducklings-overflow-panel {
  padding: var(--space-sm, 8px) 0;
  border-top: 1px solid var(--pond-cloud, #E8E8ED);
  animation: cdk-ducklings-overflow-slide-in 0.18s ease;
}
.ducklings-overflow-panel[hidden] {
  display: none;
}
@keyframes cdk-ducklings-overflow-slide-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.ducklings-overflow-panel nav { margin: 0; }
.ducklings-overflow-panel nav > ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.ducklings-overflow-panel nav > ul > li > span,
.ducklings-overflow-panel nav > ul > li > a {
  display: block;
  padding: var(--space-sm, 8px) var(--space-md, 12px);
  color: var(--pond-mist, #8E8EA0);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.ducklings-overflow-panel nav > ul > li > a:hover {
  color: var(--pond-ink, #1A1A2E);
}
.ducklings-overflow-panel nav > ul > li > ul {
  list-style: none;
  margin: 0;
  padding: 0 0 6px 0;
}
.ducklings-overflow-panel nav > ul > li > ul > li > a {
  display: block;
  padding: 5px var(--space-md, 12px) 5px 24px;
  color: var(--pond-slate, #4A4A5E);
  font-size: 0.82rem;
  text-decoration: none;
  border-radius: 4px;
  margin: 0 4px;
  transition: background 0.12s, color 0.12s;
}
.ducklings-overflow-panel nav > ul > li > ul > li > a:hover {
  background: var(--pond-frost, #F4F4F7);
  color: var(--pond-ink, #1A1A2E);
}
.ducklings-overflow-panel nav ul a.is-active {
  color: var(--pond-green, #1B4332);
}