/* ─────────────────────────────────────────────────────────────────
   Pergolas Sidebar — shared left navigation
   依賴 auth.js 的 PergAuth.getUser()
───────────────────────────────────────────────────────────────── */

:root {
  --sidebar-w: 220px;
  --sidebar-collapsed-w: 60px;
  --sidebar-bg: rgba(8, 11, 20, 0.97);
  --sidebar-border: rgba(255, 255, 255, 0.07);
  --sidebar-accent: #06b6d4;          /* cyan — 系統主色 */
  --sidebar-item-h: 42px;
  --sidebar-transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Layout shell ── */
.sidebar-layout {
  min-height: 100vh;
}

.sidebar-main {
  margin-left: var(--sidebar-w) !important;
  width: calc(100% - var(--sidebar-w)) !important;
  max-width: calc(100% - var(--sidebar-w)) !important;
  min-height: 100vh;
  box-sizing: border-box !important;
  transition: margin-left var(--sidebar-transition), width var(--sidebar-transition), max-width var(--sidebar-transition) !important;
}

body.collapsed .sidebar-main,
.sidebar-layout.collapsed .sidebar-main {
  margin-left: var(--sidebar-collapsed-w) !important;
  width: calc(100% - var(--sidebar-collapsed-w)) !important;
  max-width: calc(100% - var(--sidebar-collapsed-w)) !important;
}

/* Explicit overrides for page containers to guarantee zero overlap */
.app-container.sidebar-main,
.mt-app.sidebar-main,
.admin-shell.sidebar-main {
  margin-left: var(--sidebar-w) !important;
  margin-right: 0 !important;
  width: calc(100% - var(--sidebar-w)) !important;
  max-width: calc(100% - var(--sidebar-w)) !important;
  box-sizing: border-box !important;
}

body.collapsed .app-container.sidebar-main,
body.collapsed .mt-app.sidebar-main,
body.collapsed .admin-shell.sidebar-main,
.sidebar-layout.collapsed .app-container.sidebar-main,
.sidebar-layout.collapsed .mt-app.sidebar-main,
.sidebar-layout.collapsed .admin-shell.sidebar-main {
  margin-left: var(--sidebar-collapsed-w) !important;
  margin-right: 0 !important;
  width: calc(100% - var(--sidebar-collapsed-w)) !important;
  max-width: calc(100% - var(--sidebar-collapsed-w)) !important;
}

/* ── Sidebar panel ── */
.perg-sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: width var(--sidebar-transition);
  overflow: visible;
}

.sidebar-layout.collapsed .perg-sidebar {
  width: var(--sidebar-collapsed-w);
}

/* ── Brand ── */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 14px 16px;
  border-bottom: 1px solid var(--sidebar-border);
  min-height: 64px;
  flex-shrink: 0;
}

.sidebar-logo {
  width: 32px; height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
}
.sidebar-logo img { width: 100%; height: 100%; display: block; }

.sidebar-brand-text {
  overflow: hidden;
  transition: opacity var(--sidebar-transition), width var(--sidebar-transition);
}

.sidebar-brand-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.sidebar-brand-sub {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-top: 1px;
}

body.collapsed .sidebar-brand-text,
.sidebar-layout.collapsed .sidebar-brand-text,
#pergSidebar.collapsed .sidebar-brand-text {
  display: none !important;
  opacity: 0 !important;
  width: 0 !important;
  pointer-events: none !important;
}

/* ── Nav sections ── */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 0;
  scrollbar-width: none;
}
.sidebar-nav::-webkit-scrollbar { display: none; }

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 14px 16px 6px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--sidebar-transition);
}

.sidebar-layout.collapsed .sidebar-section-label {
  opacity: 0;
}

/* ── Nav item ── */
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  height: var(--sidebar-item-h);
  padding: 0 14px;
  margin: 1px 8px;
  border-radius: 9px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
  position: relative;
}

.sidebar-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

.sidebar-item.active {
  background: rgba(6, 182, 212, 0.12);
  color: var(--sidebar-accent);
  font-weight: 600;
}

.sidebar-item.active::before {
  content: "";
  position: absolute;
  left: -8px; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 20px;
  border-radius: 0 3px 3px 0;
  background: var(--sidebar-accent);
}

/* role-specific accents */
.sidebar-item.active.item-admin {
  background: rgba(167, 139, 250, 0.12);
  color: #a78bfa;
}
.sidebar-item.active.item-admin::before { background: #a78bfa; }

.sidebar-item-icon {
  font-size: 17px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-item-label {
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--sidebar-transition), max-width var(--sidebar-transition);
  max-width: 160px;
}

/* Collapsed state item formatting */
body.collapsed .sidebar-item,
.sidebar-layout.collapsed .sidebar-item,
#pergSidebar.collapsed .sidebar-item {
  justify-content: center !important;
  align-items: center !important;
  padding: 0 !important;
  margin: 2px 8px !important;
  gap: 0 !important;
  width: calc(var(--sidebar-collapsed-w) - 16px) !important;
  max-width: calc(var(--sidebar-collapsed-w) - 16px) !important;
  overflow: hidden !important;
}

/* Completely remove labels, badges, and external arrows from flow when collapsed */
body.collapsed .sidebar-item-label,
.sidebar-layout.collapsed .sidebar-item-label,
#pergSidebar.collapsed .sidebar-item-label,
body.collapsed .sidebar-role-badge,
.sidebar-layout.collapsed .sidebar-role-badge,
#pergSidebar.collapsed .sidebar-role-badge,
body.collapsed .sidebar-item-ext,
.sidebar-layout.collapsed .sidebar-item-ext,
#pergSidebar.collapsed .sidebar-item-ext {
  display: none !important;
  width: 0 !important;
  max-width: 0 !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  opacity: 0 !important;
  border: none !important;
  pointer-events: none !important;
}

body.collapsed .sidebar-item-icon,
.sidebar-layout.collapsed .sidebar-item-icon,
#pergSidebar.collapsed .sidebar-item-icon {
  margin: 0 auto !important;
  width: 24px !important;
  height: 24px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  text-align: center !important;
}

/* ── Role badge (Expanded Mode) ── */
.sidebar-role-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-left: auto;
  flex-shrink: 0;
  transition: opacity var(--sidebar-transition);
}
.sidebar-role-admin   { background: rgba(167,139,250,.2); color: #a78bfa; border: 1px solid rgba(167,139,250,.3); }
.sidebar-role-trader  { background: rgba(6,182,212,.15);  color: #06b6d4;  border: 1px solid rgba(6,182,212,.3); }
.sidebar-role-viewer  { background: rgba(100,116,139,.15);color: #94a3b8;  border: 1px solid rgba(100,116,139,.25); }

/* ── User info footer ── */
.sidebar-footer {
  border-top: 1px solid var(--sidebar-border);
  padding: 12px;
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 9px;
  transition: background 0.18s;
  cursor: default;
}
.sidebar-user:hover { background: rgba(255,255,255,.04); }

.sidebar-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #334155, #1e293b);
  border: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: var(--text-secondary);
  flex-shrink: 0;
  text-transform: uppercase;
}

.sidebar-user-info {
  overflow: hidden;
  flex: 1;
  transition: opacity var(--sidebar-transition);
}
body.collapsed .sidebar-user-info,
.sidebar-layout.collapsed .sidebar-user-info,
#pergSidebar.collapsed .sidebar-user-info {
  display: none !important;
  opacity: 0 !important;
  width: 0 !important;
}

.sidebar-username {
  font-size: 13px; font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-user-role {
  font-size: 11px; color: var(--text-muted);
  white-space: nowrap;
}

.sidebar-logout-btn {
  background: none; border: none;
  color: var(--text-muted); font-size: 16px;
  cursor: pointer; padding: 4px; border-radius: 6px;
  transition: all .18s; flex-shrink: 0;
}
.sidebar-logout-btn:hover { color: #f43f5e; background: rgba(244,63,94,.1); }

/* ── Toggle button ── */
.sidebar-toggle {
  position: absolute;
  top: 18px; right: -13px;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--sidebar-bg);
  border: 1px solid var(--sidebar-border);
  color: var(--text-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  transition: all .2s;
  z-index: 201;
  box-shadow: 2px 0 8px rgba(0,0,0,0.3);
}
.sidebar-toggle:hover { color: var(--sidebar-accent); border-color: var(--sidebar-accent); }

.sidebar-layout.collapsed .sidebar-toggle { transform: rotate(180deg); right: -13px; }

/* ── Divider ── */
.sidebar-divider {
  height: 1px;
  background: var(--sidebar-border);
  margin: 8px 16px;
}

/* ── Responsive (≤768px: auto collapse) ── */
@media (max-width: 768px) {
  /* 寬度也要改用收合寬度：只改 margin-left 時 width 仍扣 220px，內容區少 160px；
     .app-container／.mt-app／.admin-shell 的選擇器權重較高，要一起列出才蓋得過上面的明確覆寫 */
  .sidebar-main,
  .app-container.sidebar-main,
  .mt-app.sidebar-main,
  .admin-shell.sidebar-main {
    margin-left: var(--sidebar-collapsed-w) !important;
    width: calc(100% - var(--sidebar-collapsed-w)) !important;
    max-width: calc(100% - var(--sidebar-collapsed-w)) !important;
  }
  .perg-sidebar { width: var(--sidebar-collapsed-w) !important; }
  .sidebar-brand-text,
  .sidebar-item-label,
  .sidebar-section-label,
  .sidebar-role-badge,
  .sidebar-item-ext,
  .sidebar-user-info { display: none !important; opacity: 0 !important; max-width: 0 !important; }
  .sidebar-item { justify-content: center !important; padding: 0 !important; gap: 0 !important; }
  .sidebar-item-icon { margin: 0 auto !important; }
  .sidebar-toggle { display: none; }
}

/* ── Subnav (Admin tabs) ── */
.sidebar-subnav {
  display: flex;
  flex-direction: column;
  padding-left: 36px;
  margin: 4px 8px 8px;
  gap: 2px;
}

.sidebar-subitem {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 12px;
  text-decoration: none;
  transition: all 0.16s;
}

.sidebar-subitem:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.sidebar-subitem.active {
  color: #a78bfa;
  font-weight: 600;
}

.sidebar-layout.collapsed .sidebar-subnav {
  display: none;
}

/* ── Role Switcher ── */
.sidebar-role-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-role-sw-label {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
}

.sidebar-role-select {
  flex: 1;
  background: transparent;
  border: none;
  color: #f8fafc !important;
  font-size: 11px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  color-scheme: dark !important;
}

.sidebar-role-select option {
  background-color: #0f172a !important;
  color: #f8fafc !important;
  font-size: 12px;
  padding: 6px 10px;
}

.sidebar-role-select option:checked {
  background-color: #1e3a8a !important;
  color: #38bdf8 !important;
  font-weight: 700;
}

.sidebar-layout.collapsed .sidebar-role-switcher {
  display: none;
}

/* ── Role Pill ── */
.sidebar-user-role-row {
  margin-top: 2px;
}

.sidebar-role-pill {
  font-size: 9px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 12px;
  display: inline-block;
  letter-spacing: 0.5px;
}

/* ── Floating Tooltip (Collapsed Mode) ── */
.sidebar-floating-tooltip {
  position: fixed;
  transform: translateY(-50%);
  background: rgba(15, 22, 40, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 7px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 99999;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.15s ease;
}

.sidebar-floating-tooltip.visible {
  opacity: 1;
}

/* ── Suppress redundant top-right Auth Chip when sidebar is present ── */
#pergAuthChip {
  display: none !important;
}