/* =========================================================================
   Right Side Panel — Node Detail + Ask AI chat
   Slides in as an overlay above the canvas so opening/closing it never
   forces the graph to resize/re-layout.
   ========================================================================= */

.side-panel {
  position: fixed;
  top: var(--header-h);
  right: 0;
  bottom: 0;
  width: min(var(--panel-w), 100vw);
  background: linear-gradient(180deg, rgba(255,255,255,0.014), transparent 140px), var(--bg-1);
  border-left: 1px solid var(--border);
  box-shadow: -16px 0 40px rgba(0,0,0,0.45);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-in-out);
  z-index: 35;
}
.side-panel.open { transform: translateX(0); }

.side-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-soft);
  padding: 0 8px 0 14px;
  flex-shrink: 0;
}

.panel-tabs { display: flex; gap: 2px; }
.panel-tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 13px 12px 11px;
  font-weight: 600;
  font-size: 12.5px;
  color: var(--text-faint);
  transition: color 120ms ease-out, border-color 120ms ease-out;
}
.panel-tab:hover { color: var(--text-dim); }
.panel-tab.active { color: var(--text); border-bottom-color: var(--accent-2); }

.panel-close {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
}
.panel-close svg { width: 16px; height: 16px; }
.panel-close:hover { background: var(--bg-3); color: var(--text); }

.panel-body {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.panel-view[hidden] { display: none; }

/* ===== Detail view ===== */

#detail-view { padding: 16px; }

.detail-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 240px;
  color: var(--text-faint);
  text-align: center;
  font-size: 12.5px;
  gap: 8px;
  padding: 20px;
}

.detail-badges { display: flex; gap: 8px; margin-bottom: 10px; }
.type-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--bg-3);
  border: 1px solid var(--type-color, var(--border));
  color: var(--type-color, var(--text-dim));
}

.detail-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 4px;
}
.detail-section-ref {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  margin-bottom: 16px;
}

.detail-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0 0 18px;
}
.detail-metric {
  min-width: 0;
  background: color-mix(in srgb, var(--metric-color, #64748b) 10%, var(--bg-2));
  border: 1px solid color-mix(in srgb, var(--metric-color, #64748b) 42%, var(--border-soft));
  border-radius: var(--radius-sm);
  padding: 9px 10px;
}
.detail-metric-label,
.detail-metric-value {
  overflow-wrap: anywhere;
}
.detail-metric-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 4px;
}
.detail-metric-value {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  color: var(--metric-color, var(--text));
}

.detail-block {
  border-left: 2px solid var(--block-color, var(--border));
  padding-left: 12px;
  margin-bottom: 18px;
}
.detail-block-title {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.detail-block-text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
}
.fix-block {
  font-size: 13px;
  line-height: 1.6;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text);
}

.connected-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.connected-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 11.5px;
  color: var(--text-dim);
}
.connected-chip:hover { border-color: var(--accent-2); color: var(--text); }
.connected-chip .chip-dot { width: 7px; height: 7px; border-radius: 50%; }

.deep-dive-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 4px;
  font-size: 12.5px;
  color: var(--text-faint);
}
.deep-dive-spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-2);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

.stakeholder-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stakeholder-card {
  background: var(--bg-2);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  border: 1px solid var(--border-soft);
}
.stakeholder-card.benefits { border-left: 3px solid var(--sev-medium); }
.stakeholder-card.harmed { border-left: 3px solid var(--sev-critical); }
.stakeholder-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 6px;
}
.stakeholder-list { margin: 0; padding-left: 16px; font-size: 12px; line-height: 1.6; color: var(--text-dim); }
.stakeholder-item-who { color: var(--text); font-weight: 600; }

.strategy-card {
  background: var(--bg-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 8px;
}
.strategy-name { font-weight: 700; font-size: 13px; margin-bottom: 4px; }
.strategy-desc { font-size: 12px; color: var(--text-dim); line-height: 1.5; margin-bottom: 6px; }
.strategy-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.strategy-side-effects { font-size: 11px; color: var(--text-faint); font-style: italic; }

.difficulty-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 4px;
}
.difficulty-badge.easy, .difficulty-badge.trivial { background: rgba(34,197,94,0.16); color: var(--accent-green); }
.difficulty-badge.moderate { background: rgba(242,176,43,0.16); color: var(--sev-medium); }
.difficulty-badge.hard { background: rgba(249,115,22,0.16); color: var(--sev-high); }
.difficulty-badge.very-hard { background: rgba(239,68,68,0.16); color: var(--sev-critical); }
.difficulty-badge.theoretical { background: rgba(139,92,246,0.16); color: var(--accent-purple); }

.exploit-difficulty {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  display: inline-block;
}
.exploit-difficulty.trivial, .exploit-difficulty.easy { background: rgba(239,68,68,0.16); color: var(--sev-critical); }
.exploit-difficulty.moderate { background: rgba(242,176,43,0.16); color: var(--sev-medium); }
.exploit-difficulty.hard { background: rgba(59,130,246,0.16); color: var(--sev-low); }
.exploit-difficulty.very-hard { background: rgba(139,92,246,0.16); color: var(--accent-purple); }
.exploit-difficulty.theoretical { background: rgba(139,92,246,0.16); color: var(--accent-purple); }

.scenario-steps { margin: 0; padding-left: 18px; font-size: 12.5px; line-height: 1.7; color: var(--text-dim); }
.scenario-steps li::marker { color: var(--accent); font-weight: 700; }

.detail-footer {
  display: flex;
  gap: 8px;
  padding: 14px 16px;
  border-top: 1px solid var(--border-soft);
}

/* ===== Ask AI chat view ===== */

#chat-view { display: flex; flex-direction: column; height: 100%; }

.chat-context {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 11.5px;
  color: var(--text-faint);
  line-height: 1.5;
  max-height: 90px;
  overflow-y: auto;
  flex-shrink: 0;
}
.chat-context:empty { display: none; }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-msg {
  max-width: 90%;
  padding: 9px 12px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
}
.chat-msg.user {
  align-self: flex-end;
  background: var(--accent-2);
  color: #fff;
  border-bottom-right-radius: 3px;
}
.chat-msg.ai {
  align-self: flex-start;
  background: var(--bg-3);
  color: var(--text);
  border-bottom-left-radius: 3px;
}

.chat-loading {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  padding: 10px 14px;
  background: var(--bg-3);
  border-radius: 12px;
}
.chat-loading-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-faint);
  animation: chatBounce 1s ease-in-out infinite;
}
.chat-loading-dot:nth-child(2) { animation-delay: 0.15s; }
.chat-loading-dot:nth-child(3) { animation-delay: 0.3s; }
@keyframes chatBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.chat-starters, .chat-followups {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 16px 10px;
  flex-shrink: 0;
}
.chat-suggestion-chip {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 11.5px;
  color: var(--text-dim);
  cursor: pointer;
  transition: border-color 120ms ease-out, color 120ms ease-out;
}
.chat-suggestion-chip:hover { border-color: var(--accent-2); color: var(--text); }

.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border-soft);
  flex-shrink: 0;
}
.chat-input {
  flex: 1;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  padding: 9px 16px;
  font-size: 13px;
}
.chat-input:focus { border-color: var(--accent-2); outline: none; }
.chat-send-btn {
  width: 36px; height: 36px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-2);
  border: none;
  border-radius: 50%;
  color: #fff;
}
.chat-send-btn svg { width: 15px; height: 15px; }
.chat-send-btn:hover { background: #7577f5; }
.chat-send-btn:disabled { opacity: 0.5; }

@media (max-width: 900px) {
  .side-panel { border-left: none; }
}

@media (max-width: 420px) {
  .detail-metrics { grid-template-columns: 1fr; }
}