/* ═══════════════════════════════════════════════════════════════
   CagentOS Sidebar Styles — Global Single Source of Truth
   Extracted from chat.html <style id="app-shell-style"> + <style id="dark-mode">.
   All pages (vanilla + React) must reference this file.
   Version: 1 — do not edit individual page inline sidebar styles, edit HERE.
   ═══════════════════════════════════════════════════════════════ */

/* ── Shell layout root ────────────────────────────────────────── */
.app-shell {
  display: flex;
  height: 100vh;
  min-height: 0;
  overflow: hidden;
  background: var(--bg-base-default);
}

/* ── Sidebar ──────────────────────────────────────────────────── */
.app-sidebar {
  width: 220px;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  background: var(--bg-base-secondary);
  border-right: 1px solid var(--border-neutral-l1);
}

.app-sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacer-12);
  padding: var(--spacer-16);
  position: relative;
}

.sidebar-collapse-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: var(--radius-6);
  background: transparent;
  color: var(--icon-tertiary);
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s, transform 0.3s;
}
.sidebar-collapse-btn:hover {
  background: var(--bg-overlay-l1);
  color: var(--icon-default);
}
.sidebar-collapse-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  background-color: currentColor;
}

/* ── Collapsed sidebar ────────────────────────────────────────── */
.app-sidebar.collapsed {
  width: 56px;
}
.app-sidebar.collapsed .app-sidebar-logo {
  justify-content: center;
  padding: var(--spacer-16) var(--spacer-8);
}
.app-sidebar.collapsed .app-sidebar-logo-text,
.app-sidebar.collapsed .sidebar-logo-icon,
.app-sidebar.collapsed .sidebar-nav-label,
.app-sidebar.collapsed .app-sidebar-footer {
  display: none;
}
.app-sidebar.collapsed .sidebar-collapse-btn {
  margin-left: 0;
  transform: rotate(180deg);
}
.app-sidebar.collapsed .sidebar-nav-item {
  justify-content: center;
  padding: var(--spacer-8);
}
.app-sidebar.collapsed .app-sidebar-nav {
  padding: var(--spacer-8) var(--spacer-4);
}

/* Push main content when sidebar is collapsed */
.app-shell.sidebar-collapsed .app-main {
  margin-left: 56px;
}

/* ── Animation ────────────────────────────────────────────────── */
.app-sidebar {
  transition: width 0.25s ease;
}
.app-main {
  transition: margin-left 0.25s ease;
}

.app-sidebar-logo .sidebar-logo-icon {
  display: inline-block;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.app-sidebar-logo-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.app-sidebar-logo-text .logo-title {
  font-family: var(--font-family-heading);
  font-size: var(--heading-sm-font-size);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-default);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-sidebar-logo-text .logo-subtitle {
  font-family: var(--font-family-default);
  font-size: var(--body-sm-font-size);
  line-height: 1.4;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Sidebar navigation ───────────────────────────────────────── */
.app-sidebar-nav {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--spacer-8) var(--spacer-8);
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacer-8);
  padding: var(--spacer-8) var(--spacer-12);
  margin-bottom: var(--spacer-4);
  border-radius: var(--radius-6);
  cursor: pointer;
  text-decoration: none;
  color: var(--text-secondary);
  font-family: var(--font-family-default);
  font-size: var(--body-base-font-size);
  line-height: 1.4;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.sidebar-nav-item .sidebar-nav-icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--icon-default);
  background-color: currentColor;
}

.sidebar-nav-item .sidebar-nav-label {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-nav-tag {
  font-size: 10px;
  color: var(--text-tertiary);
  font-weight: 400;
  margin-left: 2px;
}

.sidebar-nav-item:hover {
  background: var(--bg-overlay-l1);
  color: var(--text-default);
}

.sidebar-nav-item.active {
  background: var(--bg-brand-surface-l1);
  color: var(--text-default);
  font-weight: 500;
}

.sidebar-nav-item.active .sidebar-nav-icon {
  color: var(--icon-brand);
}

.sidebar-nav-item.disabled {
  opacity: 0.5;
  cursor: default;
}

.sidebar-nav-item.disabled:hover {
  background: transparent;
  color: var(--text-secondary);
}

.sidebar-nav-tag {
  font-size: 10px;
  color: var(--text-tertiary);
  font-weight: 400;
  margin-left: 2px;
}

/* ── Sidebar status footer ────────────────────────────────────── */
.app-sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: var(--spacer-8);
  padding: var(--spacer-12) var(--spacer-16);
  border-top: 1px solid var(--border-neutral-l1);
}

.sidebar-status-row {
  display: flex;
  align-items: center;
  gap: var(--spacer-8);
  font-family: var(--font-family-default);
  font-size: var(--body-sm-font-size);
  line-height: 1.4;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.sidebar-status-dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border-radius: var(--radius-full);
}

.sidebar-status-dot.is-success {
  background: var(--status-success-default);
}

.sidebar-status-dot.is-alert {
  background: var(--status-alert-default);
}

.sidebar-version {
  margin-top: var(--spacer-4);
  font-family: var(--font-family-mono);
  font-size: var(--body-sm-font-size);
  color: var(--text-quaternary);
  white-space: nowrap;
}

/* ── Main column (clears the fixed sidebar) ───────────────────── */
.app-main {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  margin-left: 220px;
}

/* ═══════════════════════════════════════════════════════════════
   Theme Toggle
   ═══════════════════════════════════════════════════════════════ */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--spacer-8);
  padding: var(--spacer-4) var(--spacer-12);
  border-radius: var(--radius-6);
  border: 1px solid var(--border-neutral-l1);
  background: var(--bg-overlay-l1);
  cursor: pointer;
  font-size: var(--body-sm-font-size);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}
.theme-toggle:hover {
  background: var(--bg-overlay-l2);
  border-color: var(--border-neutral-l2);
}
.theme-toggle-track {
  position: relative;
  width: 32px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--bg-overlay-l2);
  border: 1px solid var(--border-neutral-l2);
  transition: background 0.3s ease;
  flex-shrink: 0;
}
html.dark .theme-toggle-track {
  background: var(--bg-brand);
  border-color: var(--bg-brand);
}
.theme-toggle-thumb {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-default);
  transition: transform 0.3s ease, background 0.3s ease;
}
html.dark .theme-toggle-thumb {
  transform: translateX(14px);
  background: #ffffff;
}

/* ═══════════════════════════════════════════════════════════════
   Minimal scrollbar
   ═══════════════════════════════════════════════════════════════ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(115, 115, 115, 0.28);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(115, 115, 115, 0.45);
}
html.dark ::-webkit-scrollbar-thumb {
  background: rgba(200, 200, 200, 0.18);
}
html.dark ::-webkit-scrollbar-thumb:hover {
  background: rgba(200, 200, 200, 0.30);
}

/* ── Model settings button (BYOK) ────────────────────────────── */
.sidebar-model-btn {
  display: flex;
  align-items: center;
  gap: var(--spacer-8);
  width: 100%;
  padding: var(--spacer-8) var(--spacer-10);
  margin-bottom: var(--spacer-12);
  border: 1px solid var(--border-neutral-l1);
  border-radius: var(--radius-md, 8px);
  background: var(--bg-overlay-l1);
  color: var(--text-secondary);
  font-family: var(--font-family-default);
  font-size: var(--body-sm-font-size);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-model-btn:hover {
  border-color: var(--border-contrast);
  color: var(--text-default);
}

.sidebar-model-btn.is-custom {
  border-color: var(--status-success-default);
  color: var(--status-success-default);
}

.sidebar-model-btn-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ── Model settings modal ─────────────────────────────────────── */
.model-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
  padding: var(--spacer-24);
}

.model-modal-backdrop[hidden] { display: none; }

.model-modal {
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-surface-default);
  border: 1px solid var(--border-neutral-l1);
  border-radius: var(--radius-lg, 12px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.model-modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacer-16) var(--spacer-20);
  border-bottom: 1px solid var(--border-neutral-l1);
}

.model-modal__head h2 {
  display: flex;
  align-items: center;
  gap: var(--spacer-8);
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-default);
}

.model-modal__title-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--text-tertiary);
}

.model-modal__close {
  border: 0;
  background: none;
  color: var(--text-tertiary);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  padding: var(--spacer-4);
}

.model-modal__close:hover { color: var(--text-default); }

.model-modal__body {
  padding: var(--spacer-20);
  display: flex;
  flex-direction: column;
  gap: var(--spacer-6);
}

.model-modal__hint {
  margin: 0 0 var(--spacer-8);
  font-size: var(--body-sm-font-size);
  line-height: 1.55;
  color: var(--text-tertiary);
}

.model-modal__label {
  font-size: var(--body-sm-font-size);
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: var(--spacer-8);
}

.model-modal__select,
.model-modal__input {
  padding: var(--spacer-10) var(--spacer-12);
  border: 1px solid var(--border-neutral-l1);
  border-radius: var(--radius-md, 8px);
  background: var(--bg-overlay-l1);
  color: var(--text-default);
  font-family: var(--font-family-mono);
  font-size: var(--body-sm-font-size);
  outline: none;
}

.model-modal__select:focus,
.model-modal__input:focus {
  border-color: var(--border-contrast);
}

.model-modal__key-hint {
  font-size: 12px;
  color: var(--text-quaternary);
  min-height: 16px;
}

.model-modal__actions {
  display: flex;
  gap: var(--spacer-8);
  margin-top: var(--spacer-16);
}

.model-modal__btn {
  flex: 1;
  padding: var(--spacer-10) var(--spacer-12);
  border-radius: var(--radius-md, 8px);
  font-size: var(--body-sm-font-size);
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-neutral-l1);
  transition: all 0.15s ease;
}

.model-modal__btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}

.model-modal__btn--ghost:hover {
  border-color: var(--border-contrast);
  color: var(--text-default);
}

.model-modal__btn--danger:hover {
  border-color: var(--status-alert-default);
  color: var(--status-alert-default);
}

.model-modal__btn--solid {
  background: var(--bg-brand);
  border-color: var(--bg-brand);
  color: #fff;
}

.model-modal__btn--solid:hover { opacity: 0.9; }

.model-modal__btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.model-modal__result {
  font-size: var(--body-sm-font-size);
  min-height: 18px;
  margin-top: var(--spacer-4);
}

.model-modal__result.is-ok { color: var(--status-success-default); }
.model-modal__result.is-err { color: var(--status-alert-default); }