/* ==========================================================================
   Projects Registry - Professional Console Design System
   Inspired by Geist & Primer design specs
   ========================================================================== */

:root {
  /* Brand & Core Theme Colors */
  --bg-sidebar: #15171c;
  --bg-sidebar-hover: #1e2128;
  --bg-sidebar-active: #262a34;
  --text-sidebar: #e6edf3;
  --text-sidebar-muted: #8b949e;
  --sidebar-border: #21262d;

  --bg-workspace: #f7f8fa;
  --bg-surface: #ffffff;
  --bg-surface-subtle: #fcfdfe;
  --bg-hover: #f1f3f6;

  --border-subtle: #ebedf0;
  --border-default: #d0d7de;
  --border-focus: #0969da;

  /* Typography Colors */
  --text-primary: #1f2328;
  --text-secondary: #424a53;
  --text-muted: #656d76;

  /* Accent & Status Colors */
  --accent-primary: #0969da;
  --accent-primary-hover: #0860ca;
  --accent-subtle: #ddf4ff;

  --success-text: #1a7f37;
  --success-bg: #dafbe1;
  --success-border: #aceebb;

  --danger-text: #d1242f;
  --danger-bg: #ffebe9;
  --danger-border: #ff8182;
  --danger-hover: #cf222e;

  --warning-text: #9a6700;
  --warning-bg: #fff8c5;
  --warning-border: #f8e3a1;

  /* Elevation & Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 2px rgba(31, 35, 40, 0.04);
  --shadow-md: 0 3px 6px rgba(31, 35, 40, 0.08);
  --shadow-lg: 0 8px 24px rgba(31, 35, 40, 0.12);

  /* Layout Constants */
  --sidebar-width: 232px;
  --topbar-height: 64px;
  --max-content-width: 1200px;
}

/* Base Reset & Fonts */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  background-color: var(--bg-workspace);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Master App Layout */
.app-layout {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* ==========================================================================
   Left 232px Graphite Sidebar
   ========================================================================== */
.sidebar {
  width: var(--sidebar-width);
  height: 100%;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 100;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-brand {
  height: var(--topbar-height);
  padding: 0 16px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--sidebar-border);
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 22px;
  height: 22px;
  color: #58a6ff;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 15px;
  font-weight: 600;
  color: #f0f6fc;
  letter-spacing: -0.2px;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-sidebar-muted);
}

.sidebar-search {
  padding: 12px 14px 6px;
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrap .icon-search {
  position: absolute;
  left: 10px;
  width: 14px;
  height: 14px;
  color: var(--text-sidebar-muted);
  pointer-events: none;
}

.search-input-wrap input {
  width: 100%;
  height: 32px;
  padding: 0 10px 0 30px;
  background-color: #0d1117;
  border: 1px solid #30363d;
  border-radius: var(--radius-sm);
  color: #c9d1d9;
  font-size: 12px;
  outline: none;
  transition: border-color 0.15s ease;
}

.search-input-wrap input:focus {
  border-color: #58a6ff;
}

.sidebar-section-title {
  padding: 10px 16px 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-sidebar-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.counter-pill {
  background-color: #21262d;
  color: #8b949e;
  font-size: 10px;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: var(--radius-pill);
}

.sidebar-projects-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 8px;
}

.sidebar-project-item {
  display: flex;
  flex-direction: column;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  color: #c9d1d9;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
  margin-bottom: 2px;
}

.sidebar-project-item:hover {
  background-color: var(--bg-sidebar-hover);
  color: #f0f6fc;
}

.sidebar-project-item.active {
  background-color: var(--bg-sidebar-active);
  color: #ffffff;
}

.spi-title {
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.spi-meta {
  font-size: 11px;
  color: var(--text-sidebar-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 2px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

.sidebar-footer {
  padding: 10px 12px;
  border-top: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-action-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 6px 8px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: #8b949e;
  font-size: 12px;
  font-weight: 400;
  cursor: pointer;
  text-align: left;
  transition: background-color 0.15s, color 0.15s;
}

.sidebar-action-btn:hover {
  background-color: var(--bg-sidebar-hover);
  color: #c9d1d9;
}

.sidebar-action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.sidebar-action-btn .icon {
  width: 15px;
  height: 15px;
}

/* ==========================================================================
   Right Workspace & Topbar
   ========================================================================== */
.workspace-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-workspace);
}

.topbar {
  min-height: var(--topbar-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  flex-shrink: 0;
  z-index: 50;
  gap: 12px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 0 1 auto;
}

.mobile-menu-trigger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 0;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s;
}

.mobile-menu-trigger:hover {
  background-color: var(--bg-hover);
  border-color: #c0c6cc;
}

.mobile-menu-trigger .icon {
  width: 20px;
  height: 20px;
  min-width: 20px;
  min-height: 20px;
  flex-shrink: 0;
}

.breadcrumb-trail {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  min-width: 0;
  overflow: hidden;
}

.breadcrumb-item {
  color: var(--text-muted);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 13px;
  padding: 0;
  white-space: nowrap;
  flex-shrink: 0;
}

.breadcrumb-item:hover {
  color: var(--text-primary);
}

.breadcrumb-sep {
  color: var(--border-default);
  flex-shrink: 0;
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex-shrink: 1;
}

.topbar-mode-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: var(--bg-hover);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.topbar-mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: calc(var(--radius-sm) - 2px);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 12.5px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s ease;
}

.topbar-mode-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.6);
}

.topbar-mode-btn.active {
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border-color: var(--border-subtle);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  font-weight: 600;
}

.topbar-mode-btn .icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ==========================================================================
   Standard Buttons (Geist-inspired)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 34px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  white-space: nowrap;
  user-select: none;
}

.btn .icon {
  width: 15px;
  height: 15px;
  stroke-width: 1.75;
}

/* Primary Button: Graphite Black */
.btn-primary {
  background-color: #1f2328;
  color: #ffffff;
  border-color: #1f2328;
}

.btn-primary:hover {
  background-color: #2f363d;
  border-color: #2f363d;
}

.btn-primary:active {
  background-color: #1b1f23;
}

/* Secondary Button: Subtle White */
.btn-secondary {
  background-color: #ffffff;
  color: var(--text-primary);
  border-color: var(--border-default);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--bg-hover);
  border-color: #c0c6cc;
}

/* Danger Button: Subtle Ghost */
.btn-danger-ghost {
  background-color: transparent;
  color: var(--danger-text);
  border-color: transparent;
}

.btn-danger-ghost:hover {
  background-color: var(--danger-bg);
  border-color: var(--danger-border);
}

.btn-sm {
  height: 28px;
  padding: 0 10px;
  font-size: 12px;
}

/* Status Banner */
.status-banner {
  margin-bottom: 20px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
}

.status-banner.success {
  background-color: var(--success-bg);
  color: var(--success-text);
  border-color: var(--success-border);
}

.status-banner.error {
  background-color: var(--danger-bg);
  color: var(--danger-text);
  border-color: var(--danger-border);
}

/* ==========================================================================
   Main Content Layout
   ========================================================================== */
.main-content-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 32px 32px 48px;
}

.content-container {
  max-width: var(--max-content-width);
  margin: 0 auto;
}

/* Page Header Titles */
.page-title-group {
  margin-bottom: 24px;
}

.page-title {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.page-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==========================================================================
   Home View: Stat Cards & Project Grid
   ========================================================================== */
.stats-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.stat-val-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 8px;
}

.stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.stat-status-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  background-color: var(--bg-hover);
  color: var(--text-secondary);
}

.stat-status-badge.ok {
  background-color: var(--success-bg);
  color: var(--success-text);
}

.stat-status-badge.warn {
  background-color: var(--warning-bg);
  color: var(--warning-text);
}

.stat-status-badge.err {
  background-color: var(--danger-bg);
  color: var(--danger-text);
}

/* Home Projects Grid */
.home-projects-section {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.section-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

.section-hint {
  font-size: 13px;
  color: var(--text-muted);
}

.project-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.home-project-card {
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.home-project-card:hover {
  background-color: var(--bg-surface);
  border-color: var(--border-default);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.hpc-header {
  margin-bottom: 8px;
}

.hpc-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.hpc-title-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
}

.hpc-title-badges {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.spi-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  min-width: 0;
}

.spi-badges-row {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.hpc-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.hpc-id {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  color: var(--text-muted);
  background-color: var(--bg-hover);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.hpc-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hpc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
}

.hpc-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.tag-pill {
  font-size: 11px;
  padding: 1px 7px;
  background-color: var(--bg-hover);
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
}

.tag-pill-private {
  background-color: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.tag-pill-public {
  background-color: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.tag-pill-git-managed {
  background-color: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.tag-pill-git-unmanaged {
  background-color: rgba(156, 163, 175, 0.15);
  color: #9ca3af;
  border: 1px solid rgba(156, 163, 175, 0.25);
}

.tag-pill-git-mixed {
  background-color: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.tag-pill-git-unknown {
  background-color: rgba(107, 114, 128, 0.12);
  color: #9ca3af;
  border: 1px dashed rgba(156, 163, 175, 0.35);
}

.tag-pill-git-loading {
  background-color: rgba(107, 114, 128, 0.1);
  color: #6b7280;
  border: 1px dotted rgba(107, 114, 128, 0.3);
}

.tag-pill-git-error {
  background-color: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.tag-pill-sub-hint {
  font-size: 10px;
  opacity: 0.9;
  margin-left: 2px;
}

.hpc-open-link {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-primary);
}

.empty-placeholder-card {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
}

.empty-placeholder-card .empty-icon-wrap {
  margin-bottom: 12px;
  color: var(--border-default);
}

.empty-placeholder-card h3 {
  font-size: 16px;
  color: var(--text-primary);
  margin-bottom: 6px;
}

/* ==========================================================================
   Project Detail View: Hero Header & Tabs
   ========================================================================== */
.project-hero-header {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.hero-left {
  flex: 1;
  min-width: 0;
}

.hero-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.project-heading {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.id-badge {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 500;
  background-color: var(--bg-hover);
  color: var(--text-secondary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.rev-badge {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  color: var(--text-muted);
}

.dirty-badge {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background-color: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid var(--warning-border);
}

.project-desc-line {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Tabs Navigation Bar */
.tabs-nav-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  border-bottom: 1px solid var(--border-default);
  margin-bottom: 20px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.tabs-nav-bar::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 12px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
  user-select: none;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  font-weight: 600;
}

.tab-count-pill {
  font-size: 11px;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  background-color: var(--bg-hover);
  color: var(--text-secondary);
}

.tab-btn.active .tab-count-pill {
  background-color: var(--accent-subtle);
  color: var(--accent-primary);
}

/* Tab Panels */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ==========================================================================
   Basic Info Form: 3 Section Cards
   ========================================================================== */
.form-section-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.form-section-header {
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
}

.form-section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.form-section-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.form-grid-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-item.col-span-2 {
  grid-column: span 2;
}

.form-item label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.field-hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* Form Controls */
input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
select,
textarea {
  width: 100%;
  font-size: 13px;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  font-family: inherit;
}

input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
select {
  height: 40px;
}

textarea {
  padding: 10px 12px;
  resize: vertical;
  line-height: 1.5;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.15);
}

input:disabled,
select:disabled,
textarea:disabled {
  background-color: var(--bg-hover);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* ==========================================================================
   Dynamic Item Cards (Components, Environments, Deployments, etc.)
   ========================================================================== */
.panel-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.panel-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.panel-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.item-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.item-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s;
}

.item-card:hover {
  border-color: var(--border-default);
}

.item-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.item-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.item-card-fields {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.item-card-fields .form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.item-card-fields .form-group.col-span-2 {
  grid-column: span 2;
}

.item-card-fields label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Environment Viewer */
.viewer-filter-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin-bottom: 20px;
}

.viewer-filters-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.viewer-results-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.topology-detail-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
}

.topology-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
  margin-bottom: 14px;
}

.topology-comp-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.topology-info-group {
  margin-bottom: 12px;
}

.topology-group-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.topology-tag-list {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.topology-code-pill {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  background-color: var(--bg-hover);
  color: var(--text-primary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  word-break: break-all;
}

/* ==========================================================================
   Modals & Dialogs
   ========================================================================== */
.modal-layer {
  position: fixed;
  inset: 0;
  z-index: 200;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-dialog {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalEnter 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-dialog-lg {
  max-width: 860px;
}

@keyframes modalEnter {
  from {
    opacity: 0;
    transform: scale(0.97);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-header-bar {
  height: 56px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-title-wrap .icon {
  width: 18px;
  height: 18px;
  color: var(--accent-primary);
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 22px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color 0.15s;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body-scroll {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-subtext {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.modal-footer-actions {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.code-terminal-box {
  width: 100%;
  background-color: #0d1117;
  color: #e6edf3;
  border: 1px solid #30363d;
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  overflow: auto;
  white-space: pre;
}

/* Check issues list styling */
.issue-card {
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 12px;
  border: 1px solid transparent;
}

.issue-card.error {
  background-color: var(--danger-bg);
  border-color: var(--danger-border);
}

.issue-card.warning {
  background-color: var(--warning-bg);
  border-color: var(--warning-border);
}

.issue-card.info {
  background-color: #f0f8ff;
  border-color: #c8e1ff;
}

.issue-header {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.issue-card.error .issue-header { color: var(--danger-text); }
.issue-card.warning .issue-header { color: var(--warning-text); }
.issue-card.info .issue-header { color: #0550ae; }

.issue-msg {
  font-size: 13px;
  color: var(--text-secondary);
}

.issue-fix {
  font-size: 12px;
  margin-top: 6px;
  color: var(--text-muted);
}

/* Helper Utilities */
.hidden {
  display: none !important;
}

/* ==========================================================================
   Responsive Breakpoints: 1024px & 390px (Mobile Drawer)
   ========================================================================== */
@media (max-width: 1024px) {
  .topbar {
    padding: 0 20px;
  }
  .main-content-scroll {
    padding: 24px 20px 36px;
  }
  .form-grid-layout,
  .item-card-fields,
  .viewer-filters-grid {
    grid-template-columns: 1fr;
  }
  .form-item.col-span-2 {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.45);
    z-index: 90;
    display: block;
  }

  .mobile-menu-trigger {
    display: inline-flex;
  }

  .topbar {
    padding: 8px 16px;
    min-height: 56px;
    height: auto;
    flex-wrap: wrap;
    gap: 8px;
  }

  .main-content-scroll {
    padding: 16px 16px 24px;
  }

  .project-hero-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .topbar-actions span {
    display: none;
  }
  .topbar-actions .btn {
    padding: 0 10px;
  }
}

@media (max-width: 480px) {
  .topbar {
    padding: 6px 10px;
    gap: 6px;
  }
  .topbar-mode-btn {
    padding: 4px 8px;
    font-size: 11.5px;
  }
  .topbar-mode-btn .icon {
    width: 13px;
    height: 13px;
  }
}

@media (max-width: 360px) {
  .topbar {
    padding: 0 10px;
    gap: 8px;
  }
  .topbar-left {
    gap: 8px;
  }
  .topbar-actions {
    gap: 4px;
  }
  .topbar-actions .btn {
    padding: 0 8px;
  }
  .main-content-scroll {
    padding: 12px 10px 20px;
  }
  .project-hero-header {
    padding: 14px 16px;
  }
  .form-section-card {
    padding: 16px;
  }
}

/* ==========================================================================
   File Preview Modal & Pills
   ========================================================================== */
.preview-path-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  background-color: var(--bg-hover);
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-title-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.preview-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.preview-meta-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-meta-text {
  font-size: 12px;
  color: var(--text-muted);
}

.preview-redact-alert {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  background-color: var(--bg-hover);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.preview-redact-alert .icon {
  width: 14px;
  height: 14px;
  color: var(--text-secondary);
}

.preview-state-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 20px;
  font-size: 14px;
  color: var(--text-muted);
}

.preview-state-box.error-box {
  color: var(--danger-text);
  background-color: var(--danger-bg);
  border-radius: var(--radius-md);
  margin: 16px 0;
}

.preview-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--brand-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.preview-code-container {
  background-color: #0d1117;
  border-radius: var(--radius-md);
  border: 1px solid #30363d;
  overflow: hidden;
}

.preview-code-block {
  margin: 0;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: #c9d1d9;
  background: transparent;
  overflow-x: auto;
  white-space: pre;
}

.preview-code-block:focus {
  outline: 2px solid var(--brand-accent);
}

/* Clickable Config Preview Pills */
.config-files-preview-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.file-preview-pill,
.preview-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  text-align: left;
  line-height: 1.4;
}

.file-preview-pill:hover,
.preview-pill-btn:hover {
  background-color: var(--bg-active);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.file-preview-pill:focus-visible,
.preview-pill-btn:focus-visible {
  outline: 2px solid var(--brand-accent);
  outline-offset: 1px;
}

.file-preview-pill .icon {
  width: 12px;
  height: 12px;
}

/* Pygments Token Color Palette (GitHub Dark Theme Compatible) */
.preview-code-block .hl-k, .preview-code-block .hl-kd, .preview-code-block .hl-kn, .preview-code-block .hl-kr { color: #ff7b72; font-weight: 600; }
.preview-code-block .hl-s, .preview-code-block .hl-s1, .preview-code-block .hl-s2 { color: #a5d6ff; }
.preview-code-block .hl-c, .preview-code-block .hl-c1, .preview-code-block .hl-cm { color: #8b949e; font-style: italic; }
.preview-code-block .hl-nt { color: #7ee787; font-weight: 600; }
.preview-code-block .hl-na, .preview-code-block .hl-nv { color: #79c0ff; }
.preview-code-block .hl-m, .preview-code-block .hl-mi, .preview-code-block .hl-mf { color: #79c0ff; }
.preview-code-block .hl-o, .preview-code-block .hl-ow { color: #d2a8ff; }
.preview-code-block .hl-nf { color: #d2a8ff; font-weight: 600; }
.preview-code-block .hl-nb { color: #ffa657; }
.env-url-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  padding: 2px 8px;
  background-color: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.env-url-link:hover {
  background-color: rgba(56, 189, 248, 0.2);
  border-color: #38bdf8;
  color: #7dd3fc;
  text-decoration: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}