/* ChE0mD Portal — Shared CSS Theme */
/* Import design tokens */
@import url('../styles/tokens.css');

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-family); background: var(--color-bg-primary); color: var(--color-text-primary); min-height: 100vh; line-height: 1.5; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }

/* ── Portal Layout ─────────────────────────────── */
.portal { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar { width: 240px; background: var(--sidebar-bg, rgba(0,0,0,0.4)); border-right: 1px solid var(--border-color); display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 100; transition: transform var(--transition-normal); }
.sidebar-brand { padding: 20px; border-bottom: 1px solid var(--border-color); }
.sidebar-brand h1 { font-size: 1.25rem; color: var(--color-accent); letter-spacing: 2px; }
.sidebar-brand p { font-size: 0.75rem; color: var(--color-text-secondary); margin-top: 2px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.sidebar-nav a { display: flex; align-items: center; gap: 10px; padding: 10px 20px; color: var(--color-text-secondary); font-size: 0.875rem; transition: all var(--transition-fast); border-left: 3px solid transparent; }
.sidebar-nav a:hover { color: var(--color-text-primary); background: var(--table-hover, rgba(255,255,255,0.03)); }
.sidebar-nav a.active { color: var(--color-accent); background: rgba(0,176,240,0.08); border-left-color: var(--color-accent); }
.sidebar-nav .nav-icon { width: 18px; text-align: center; opacity: 0.7; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border-color); font-size: 0.75rem; color: var(--color-text-secondary); }

/* Collapsible nav sections */
.nav-section-header { padding: 12px 20px 4px; font-size: 0.65rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--color-text-secondary); opacity: 0.5; border-top: 1px solid var(--border-color); margin-top: 8px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: opacity var(--transition-fast); user-select: none; }
.nav-section-header:hover { opacity: 0.8; }
.nav-chevron { font-size: 0.6rem; transition: transform var(--transition-fast); }
.nav-section-header.open .nav-chevron { transform: rotate(90deg); }
.nav-section.collapsed { display: none; }
.nav-section.open { display: block; }

/* Sidebar backdrop (mobile) */
.sidebar-backdrop { display: none; }
@media (max-width: 768px) {
  .sidebar-backdrop { display: block; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 99; }
}

/* Main Content */
.main { flex: 1; margin-left: 240px; min-height: 100vh; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 16px 32px; border-bottom: 1px solid var(--border-color); background: var(--topbar-bg, rgba(0,0,0,0.2)); position: sticky; top: 0; z-index: 50; backdrop-filter: blur(10px); }
.topbar h2 { font-size: 1.25rem; font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.content { padding: 24px 32px; }

/* ── Cards ──────────────────────────────────────── */
.card { background: var(--glass-bg); border: var(--glass-border); border-radius: var(--border-radius); padding: 20px; transition: all var(--transition-fast); }
.card:hover { background: var(--color-bg-card-hover); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.card-header h3 { font-size: 0.95rem; font-weight: 600; }
.card-value { font-size: 2rem; font-weight: 700; color: var(--color-accent); }
.card-label { font-size: 0.8rem; color: var(--color-text-secondary); margin-top: 4px; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }

/* KPI Cards */
.kpi { text-align: center; padding: 24px 16px; }
.kpi-value { font-size: 2.5rem; font-weight: 800; background: linear-gradient(135deg, var(--color-accent), #00CED1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.kpi-label { font-size: 0.8rem; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }
.kpi-change { font-size: 0.75rem; margin-top: 8px; }
.kpi-change.up { color: var(--color-success); }
.kpi-change.down { color: var(--color-danger); }

/* ── Tables ─────────────────────────────────────── */
.table-container { background: var(--glass-bg); border: var(--glass-border); border-radius: var(--border-radius); overflow: hidden; }
.table-header { background: rgba(255,255,255,0.04); padding: 15px 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.table-header h3 { margin: 0; font-size: 1.1rem; font-weight: 700; }
.table-responsive { overflow-x: auto; }
.table-wrap { overflow-x: auto; border-radius: var(--border-radius); border: var(--glass-border); }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
thead { background: rgba(255,255,255,0.03); }
th { text-align: left; padding: 12px 16px; font-weight: 600; color: var(--color-text-secondary); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px; white-space: nowrap; border-bottom: 1px solid var(--border-color); }
td { padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,0.04); }
tr:hover td { background: rgba(255,255,255,0.02); }
tr:last-child td { border-bottom: none; }

/* ── Badges ─────────────────────────────────────── */
.badge { display: inline-block; padding: 3px 10px; border-radius: 50px; font-size: 0.75rem; font-weight: 600; }
.badge-success { background: rgba(34,197,94,0.15); color: var(--color-success); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--color-warning); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--color-danger); }
.badge-info { background: rgba(0,176,240,0.15); color: var(--color-info); }
.badge-neutral { background: rgba(255,255,255,0.05); color: var(--color-text-secondary); }
.badge-open { background: rgba(245,158,11,0.15); color: var(--color-warning); }
.badge-in-progress { background: rgba(0,176,240,0.15); color: var(--color-accent); }
.badge-completed { background: rgba(34,197,94,0.15); color: var(--color-success); }
.badge-waiting-parts { background: rgba(149,165,166,0.15); color: #95a5a6; }
.badge-cancelled { background: rgba(231,76,60,0.15); color: #e74c3c; }
.badge-overdue { background: rgba(239,68,68,0.15); color: var(--color-danger); }
.badge-emergency { background: rgba(239,68,68,0.15); color: var(--color-danger); border: 1px solid var(--color-danger); }
.badge-high { background: rgba(239,68,68,0.15); color: var(--color-danger); }
.badge-medium { background: rgba(245,158,11,0.15); color: var(--color-warning); }
.badge-low { background: rgba(34,197,94,0.15); color: var(--color-success); }

/* Score badge */
.score { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; font-size: 0.8rem; font-weight: 700; }
.score-good { background: rgba(34,197,94,0.15); color: var(--color-success); }
.score-fair { background: rgba(245,158,11,0.15); color: var(--color-warning); }
.score-poor { background: rgba(239,68,68,0.15); color: var(--color-danger); }

/* ── Buttons ────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: none; border-radius: var(--border-radius); font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: all var(--transition-fast); }
.btn-primary { background: var(--color-accent); color: #000; }
.btn-primary:hover { background: var(--color-accent-hover); box-shadow: 0 0 20px rgba(0,176,240,0.3); }
.btn-secondary { background: rgba(255,255,255,0.06); color: var(--color-text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { background: rgba(255,255,255,0.1); }
.btn-danger { background: rgba(239,68,68,0.15); color: var(--color-danger); }
.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-lg { padding: 12px 24px; font-size: 1rem; }
.btn-success { background: var(--color-success); color: #fff; border: none; border-radius: var(--border-radius); padding: 8px 16px; cursor: pointer; font-weight: 600; }
.btn-success:hover { opacity: 0.9; }
.btn-warning { background: var(--color-warning); color: #fff; border: none; border-radius: var(--border-radius); padding: 8px 16px; cursor: pointer; font-weight: 600; }
.btn-warning:hover { opacity: 0.9; }
.btn-outline-primary { background: transparent; border: 1px solid var(--color-accent); color: var(--color-accent); border-radius: var(--border-radius); padding: 8px 16px; cursor: pointer; }
.btn-outline-primary:hover { background: rgba(0,176,240,0.1); }
.btn-outline-secondary { background: transparent; border: 1px solid var(--border-color); color: var(--color-text-secondary); border-radius: var(--border-radius); padding: 8px 16px; cursor: pointer; }
.btn-outline-secondary:hover { background: rgba(255,255,255,0.06); }
.btn-outline-danger { background: transparent; border: 1px solid var(--color-danger); color: var(--color-danger); border-radius: var(--border-radius); padding: 8px 16px; cursor: pointer; }
.btn-outline-danger:hover { background: rgba(239,68,68,0.1); }
.btn-add { background: var(--color-success); color: #fff; border: none; border-radius: var(--border-radius); padding: 8px 16px; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; transition: all 0.2s; }
.btn-add:hover { background: #00C060; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,210,106,0.3); }

/* ── Forms ──────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.8rem; color: var(--color-text-secondary); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-control { width: 100%; background: rgba(255,255,255,0.04); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 10px 14px; color: var(--color-text-primary); font-size: 0.9rem; transition: border var(--transition-fast); }
.form-control:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(0,176,240,0.1); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
/* Global select/option fix — prevent white-on-white in dark theme */
select { background-color: #1a1a2e; color: #e0e0e0; border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 8px 12px; }
select option { background-color: #1a1a2e; color: #e0e0e0; }
select:focus { outline: none; border-color: var(--color-accent); }
.form-label { font-weight: 600; color: var(--color-text-secondary); margin-bottom: 5px; display: block; font-size: 0.85rem; }
.form-select { background: rgba(255,255,255,0.05); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 10px; color: var(--color-text-primary); width: 100%; box-sizing: border-box; }
.form-select:focus { border-color: var(--color-accent); box-shadow: 0 0 0 0.2rem rgba(0,176,240,0.25); outline: none; }
.form-row { display: flex; gap: 16px; }
.form-row > * { flex: 1; }

/* ── Search ─────────────────────────────────────── */
/* ── Filter Bar ────────────────────────────────── */
.filter-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar input { background: var(--glass-bg); border: var(--glass-border); border-radius: var(--border-radius); padding: 8px 16px; color: var(--color-text-primary); font-size: 0.85rem; flex: 1; min-width: 200px; }
.filter-bar input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 2px rgba(0,176,240,0.2); }
.filter-bar select { background: rgba(255,255,255,0.04); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 6px 12px; color: var(--color-text-primary); font-size: 0.85rem; }
.filter-select { min-width: 150px; }

/* ── Modal Overlay/Box ────────────────────────────── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 2000; align-items: center; justify-content: center; }
.modal-overlay.show { display: flex; }
.modal-box { background: var(--color-bg-card); border: var(--glass-border); border-radius: 12px; padding: 24px; max-width: 600px; width: 90%; max-height: 80vh; overflow-y: auto; }
.modal-box h3 { margin-bottom: 16px; }
.modal-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.modal-form-group { margin-bottom: 12px; }
.modal-form-group label { display: block; font-size: 0.8rem; color: var(--color-text-secondary); margin-bottom: 4px; }
.modal-form-group input, .modal-form-group select, .modal-form-group textarea { width: 100%; background: var(--glass-bg); border: var(--glass-border); border-radius: 6px; padding: 8px 12px; color: var(--color-text-primary); font-size: 0.85rem; font-family: inherit; }
.modal-form-group input:focus, .modal-form-group select:focus, .modal-form-group textarea:focus { border-color: var(--color-success); outline: none; }
.modal-form-group textarea { resize: vertical; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.modal-actions button { padding: 8px 16px; border-radius: var(--border-radius); font-weight: 600; cursor: pointer; font-size: 0.85rem; }
.btn-cancel { background: var(--glass-bg); border: var(--glass-border); color: var(--color-text-secondary); }
.btn-save { background: var(--color-accent); border: none; color: #fff; }

/* ── Column Visibility ────────────────────────────── */
.column-visibility { position: relative; }
.column-visibility-menu { position: absolute; top: 100%; right: 0; background: var(--color-bg-primary); border: var(--glass-border); border-radius: var(--border-radius); box-shadow: 0 4px 20px rgba(0,0,0,0.4); padding: 10px; z-index: 1000; min-width: 200px; display: none; }
.column-visibility-menu.show { display: block; }
.column-visibility-item { display: flex; align-items: center; margin-bottom: 8px; color: var(--color-text-primary); }
.column-visibility-item label { margin-left: 8px; margin-bottom: 0; cursor: pointer; }

/* ── Search ─────────────────────────────────────── */
.search-bar { display: flex; gap: 12px; margin-bottom: 20px; }
.search-bar input { flex: 1; }
.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip { padding: 5px 14px; border-radius: 50px; font-size: 0.8rem; background: rgba(255,255,255,0.05); color: var(--color-text-secondary); cursor: pointer; border: 1px solid transparent; transition: all var(--transition-fast); }
.chip:hover, .chip.active { color: var(--color-accent); border-color: var(--color-accent); background: rgba(0,176,240,0.08); }

/* ── Upload Zone ────────────────────────────────── */
.upload-zone { border: 2px dashed var(--border-color); border-radius: 12px; padding: 48px; text-align: center; cursor: pointer; transition: all var(--transition-fast); }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--color-accent); background: rgba(0,176,240,0.05); }
.upload-zone .icon { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.5; }
.upload-zone p { color: var(--color-text-secondary); }

/* ── Tabs ───────────────────────────────────────── */
.tabs { display: flex; border-bottom: 1px solid var(--border-color); margin-bottom: 20px; }
.tab { padding: 10px 20px; color: var(--color-text-secondary); cursor: pointer; border-bottom: 2px solid transparent; font-size: 0.9rem; transition: all var(--transition-fast); }
.tab:hover { color: var(--color-text-primary); }
.tab.active { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Progress ───────────────────────────────────── */
.progress { height: 6px; background: rgba(255,255,255,0.06); border-radius: 3px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--color-accent); border-radius: 3px; transition: width var(--transition-normal); }
.progress-bar.good { background: var(--color-success); }
.progress-bar.warn { background: var(--color-warning); }
.progress-bar.danger { background: var(--color-danger); }

/* ── Empty State ────────────────────────────────── */
.empty { text-align: center; padding: 48px; color: var(--color-text-secondary); }
.empty .icon { font-size: 3rem; opacity: 0.3; margin-bottom: 12px; }
.empty h3 { color: var(--color-text-primary); margin-bottom: 8px; }

/* ── Loading Skeleton ───────────────────────────── */
.skeleton { background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 4px; }
@keyframes shimmer { to { background-position: -200% 0; } }
.skeleton-text { height: 14px; margin-bottom: 8px; width: 80%; }
.skeleton-lg { height: 32px; width: 120px; }

/* ── Toast Notifications ────────────────────────── */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 12px 20px; border-radius: var(--border-radius); font-size: 0.875rem; animation: slideIn 0.3s ease; backdrop-filter: blur(10px); border: 1px solid; }
.toast-success { background: rgba(34,197,94,0.15); border-color: rgba(34,197,94,0.3); color: var(--color-success); }
.toast-error { background: rgba(239,68,68,0.15); border-color: rgba(239,68,68,0.3); color: var(--color-danger); }
.toast-info { background: rgba(0,176,240,0.15); border-color: rgba(0,176,240,0.3); color: var(--color-info); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── Responsive ─────────────────────────────────── */
.mobile-toggle { display: none; background: none; border: none; color: var(--color-text-primary); font-size: 1.5rem; cursor: pointer; padding: 8px; }
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .mobile-toggle { display: block; }
  .content { padding: 16px; }
  .card-grid { grid-template-columns: 1fr; }
  .form-row { flex-direction: column; }
  .topbar { padding: 12px 16px; }
}

/* ── Mobile Enhancements ──────────────────────────── */
@media (max-width: 768px) {
  html { font-size: 14px; }
  .topbar h2 { font-size: 1.1rem; }
  th { font-size: 0.75rem; }
  .btn, .mobile-toggle, .tab, .chip { min-height: 44px; min-width: 44px; }
  .sidebar-nav a { padding: 14px 20px; }
  .search-bar, .filter-bar { flex-wrap: wrap; }
  .search-bar input, .filter-bar select, .filter-bar input { min-width: 100%; }
  .gantt-header, .gantt-row { grid-template-columns: 100px repeat(4, 1fr); }
  .gantt-container { overflow-x: auto; }
}

/* ── Engineering Assistant Layout ─────────────────── */
.eng-assistant-layout { display: grid; grid-template-columns: 1fr 380px; gap: 0; height: calc(100vh - 120px); }
.chat-col { display: flex; flex-direction: column; border-right: 1px solid var(--border-color); }
.chat-messages { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.msg-bubble { max-width: 80%; padding: 12px 16px; border-radius: 12px; font-size: 0.9rem; line-height: 1.5; animation: fadeInUp 0.3s ease; }
.msg-user { align-self: flex-end; background: rgba(0,176,240,0.15); border: 1px solid rgba(0,176,240,0.2); border-bottom-right-radius: 4px; }
.msg-ai { align-self: flex-start; background: var(--glass-bg); border: var(--glass-border); border-bottom-left-radius: 4px; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.chat-input-row { display: flex; gap: 8px; padding: 16px; border-top: 1px solid var(--border-color); background: rgba(0,0,0,0.2); }
.chat-input-row textarea { flex: 1; resize: none; min-height: 44px; max-height: 120px; background: var(--glass-bg); border: var(--glass-border); border-radius: var(--border-radius); padding: 10px 14px; color: var(--color-text-primary); font-family: inherit; font-size: 0.9rem; }
.chat-input-row textarea:focus { outline: none; border-color: var(--color-accent); }
.typing-dots { display: flex; gap: 4px; padding: 12px 16px; }
.typing-dots span { width: 8px; height: 8px; background: var(--color-text-secondary); border-radius: 50%; animation: dotPulse 1.4s infinite; }
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotPulse { 0%,80%,100% { opacity: 0.3; transform: scale(0.8); } 40% { opacity: 1; transform: scale(1); } }

/* Equipment Context Panel */
.eq-panel { overflow-y: auto; padding: 20px; background: rgba(0,0,0,0.15); }
.eq-panel-section { margin-bottom: 16px; }
.eq-panel-section h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-text-secondary); margin-bottom: 8px; }
.eq-panel-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 0.85rem; }
.eq-panel-row .label { color: var(--color-text-secondary); }

/* AI Action Cards */
.ai-action-card { background: var(--glass-bg); border: var(--glass-border); border-radius: var(--border-radius); padding: 16px; margin-top: 12px; border-left: 3px solid var(--color-accent); }
.ai-action-card .rank { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: rgba(0,176,240,0.15); color: var(--color-accent); font-weight: 700; font-size: 0.85rem; margin-right: 8px; }
.ai-action-card h5 { display: inline; font-size: 0.9rem; font-weight: 600; }
.ai-action-card p { font-size: 0.85rem; color: var(--color-text-secondary); margin-top: 6px; }
.ai-action-card .action-meta { display: flex; gap: 16px; margin-top: 8px; font-size: 0.8rem; }
.ai-action-card .action-meta span { color: var(--color-text-secondary); }
.confidence-pill { display: inline-block; padding: 2px 10px; border-radius: 50px; font-size: 0.75rem; font-weight: 600; }
.confidence-high { background: rgba(34,197,94,0.15); color: var(--color-success); }
.confidence-med { background: rgba(245,158,11,0.15); color: var(--color-warning); }
.confidence-low { background: rgba(239,68,68,0.15); color: var(--color-danger); }

/* Create Project Banner */
.create-project-banner { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); border-radius: var(--border-radius); padding: 16px 20px; margin-top: 12px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.create-project-banner .banner-text { flex: 1; }
.create-project-banner h4 { color: var(--color-success); font-size: 0.95rem; }
.create-project-banner p { font-size: 0.85rem; color: var(--color-text-secondary); margin-top: 2px; }

/* Health Score Ring */
.health-ring { width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; font-weight: 800; }
.health-ring.good { background: conic-gradient(var(--color-success) var(--pct), rgba(255,255,255,0.06) 0); }
.health-ring.fair { background: conic-gradient(var(--color-warning) var(--pct), rgba(255,255,255,0.06) 0); }
.health-ring.poor { background: conic-gradient(var(--color-danger) var(--pct), rgba(255,255,255,0.06) 0); }
.health-ring-inner { width: 52px; height: 52px; border-radius: 50%; background: var(--color-bg-primary); display: flex; align-items: center; justify-content: center; }

/* Engineering Projects Kanban */
.eng-kanban { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 24px; }
@media (max-width: 1200px) { .eng-kanban { grid-template-columns: repeat(3, minmax(220px, 1fr)); } }
@media (max-width: 768px) { .eng-kanban { grid-template-columns: 1fr; } }
.eng-col { background: var(--glass-bg); border: var(--glass-border); border-radius: var(--border-radius); padding: 12px; min-height: 280px; transition: all 0.2s; }
.eng-col.drag-over { border: 2px dashed var(--color-success); background: rgba(0,210,106,0.05); }
.eng-col-head { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 1px; color: var(--color-text-secondary); margin-bottom: 12px; display: flex; justify-content: space-between; align-items: center; }
.eng-col-head .cnt { background: rgba(255,255,255,0.08); padding: 2px 8px; border-radius: 10px; font-size: 0.72rem; }
.eng-col-head .total { font-size: 0.7rem; color: var(--color-success); }
.eng-card { background: var(--color-bg-card); border: 1px solid var(--border-color); border-radius: 8px; padding: 14px; margin-bottom: 10px; cursor: move; transition: all 0.2s; }
.eng-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.2); }
.eng-card.dragging { opacity: 0.5; transform: rotate(2deg); }
.eng-card .title { font-weight: 600; font-size: 0.88rem; margin-bottom: 6px; }
.eng-card .tag-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.72rem; font-weight: 600; background: rgba(0,176,240,0.15); color: var(--color-accent); margin-right: 6px; }
.eng-card .priority-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.72rem; font-weight: 600; }
.priority-critical { background: rgba(239,68,68,0.15); color: var(--color-danger); }
.priority-high { background: rgba(245,158,11,0.15); color: var(--color-warning); }
.priority-medium { background: rgba(0,176,240,0.15); color: var(--color-info); }
.priority-low { background: rgba(255,255,255,0.08); color: var(--color-text-secondary); }
.eng-card .conf-bar { height: 4px; background: rgba(255,255,255,0.06); border-radius: 2px; margin-top: 8px; overflow: hidden; }
.eng-card .conf-fill { height: 100%; border-radius: 2px; }
.eng-card .card-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; font-size: 0.75rem; color: var(--color-text-secondary); }

/* Project Detail Modal */
.proj-modal { display: none; position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,0.6); align-items: flex-start; justify-content: center; padding: 40px 16px; overflow-y: auto; }
.proj-modal.show { display: flex; }
.proj-modal-box { background: var(--color-bg-primary); border: var(--glass-border); border-radius: 12px; width: 100%; max-width: 800px; max-height: 90vh; overflow-y: auto; }
.proj-modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border-color); }
.proj-modal-header h3 { font-size: 1.1rem; }
.proj-modal-close { background: none; border: none; color: var(--color-text-secondary); font-size: 1.5rem; cursor: pointer; padding: 4px 8px; }
.proj-modal-close:hover { color: var(--color-text-primary); }
.proj-modal-body { padding: 24px; }
.proj-tabs { display: flex; border-bottom: 1px solid var(--border-color); margin-bottom: 20px; overflow-x: auto; }
.proj-tab { padding: 10px 18px; color: var(--color-text-secondary); cursor: pointer; border-bottom: 2px solid transparent; font-size: 0.85rem; white-space: nowrap; transition: all 0.2s; }
.proj-tab:hover { color: var(--color-text-primary); }
.proj-tab.active { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.proj-tab-content { display: none; }
.proj-tab-content.active { display: block; }
.proj-modal-footer { display: flex; gap: 8px; justify-content: flex-end; padding: 16px 24px; border-top: 1px solid var(--border-color); }
@media (max-width: 768px) {
  .proj-modal { padding: 16px 8px; }
  .proj-modal-box { max-height: 95vh; }
  .proj-modal-body { padding: 16px; }
}

/* Mobile chat/assistant layout */
@media (max-width: 768px) {
  .eng-assistant-layout { grid-template-columns: 1fr; height: auto; }
  .eq-panel { max-height: 200px; overflow-y: auto; border-right: none; border-bottom: 1px solid var(--border-color); }
  .chat-col { border-right: none; height: calc(100vh - 320px); min-height: 400px; }
  .chat-input-row { position: sticky; bottom: 0; }
  .msg-bubble { max-width: 90%; font-size: 0.88rem; }
  .ai-action-card .action-meta { flex-wrap: wrap; gap: 8px; }
}

/* ── Comprehensive Mobile ─────────────────────────── */
@media (max-width: 768px) {
  /* Tables: horizontal scroll + compact cells */
  .table-wrap { margin: 0 -16px; border-radius: 0; border-left: none; border-right: none; }
  table { min-width: 600px; }
  th, td { padding: 8px 10px; font-size: 0.78rem; }

  /* Cards: single column, tighter padding */
  .card { padding: 14px; }
  .kpi-value { font-size: 1.8rem; }
  .kpi-label { font-size: 0.7rem; }

  /* Badges */
  .badge { font-size: 0.7rem; padding: 2px 8px; }

  /* Tabs: scrollable */
  .tabs, .tab-bar { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
  .tab, .tab-btn { white-space: nowrap; flex-shrink: 0; padding: 10px 14px; }

  /* Modal fixes */
  .modal, [class*="modal"] { padding: 8px !important; }
  .modal-content, [class*="modal-box"], [class*="modal-body"] { max-width: 100% !important; max-height: 95vh !important; }

  /* Search/Filter: stack vertically */
  .search-bar { flex-direction: column; }
  .filter-chips { gap: 6px; }

  /* Upload zone: smaller */
  .upload-zone { padding: 24px 16px; }
  .upload-zone .icon { font-size: 2rem; }

  /* Toast: full width */
  .toast-container { left: 8px; right: 8px; top: 8px; }

  /* Sidebar overlay backdrop */
  .sidebar.open { box-shadow: 4px 0 24px rgba(0,0,0,0.5); }

  /* HAZOP / tool tables: allow scroll */
  .hazop-table, .tool-table { min-width: 900px; }

  /* Kanban columns: stack vertically */
  .kanban, [class*="kanban"] { grid-template-columns: 1fr !important; }

  /* General grids: single column */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr !important; }
  [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }

  /* PSM tracker cards */
  .psm-grid, .psm-elements { grid-template-columns: 1fr !important; }

  /* CRM pipeline columns */
  .pipeline-board { overflow-x: auto; }
  .pipeline-board > div { min-width: 250px; }

  /* Fix overflow on any wide content */
  .content { overflow-x: hidden; }
  pre, code { overflow-x: auto; max-width: calc(100vw - 32px); font-size: 0.8rem; }

  /* Touch-friendly form elements */
  input, select, textarea, .form-control { font-size: 16px !important; /* prevents iOS zoom */ min-height: 44px; }

  /* Buttons: full width on very small screens */
  .btn-row, .action-buttons, .form-actions { flex-wrap: wrap; }
  .btn-row .btn, .action-buttons .btn { flex: 1; min-width: 120px; justify-content: center; }
}

/* Extra small screens (phones in portrait) */
@media (max-width: 480px) {
  .content { padding: 12px 8px; }
  .topbar { padding: 10px 12px; }
  .topbar h2 { font-size: 1rem; }
  .card-grid { gap: 10px; }
  .card { padding: 12px; }
  .kpi-value { font-size: 1.5rem; }
  .eng-kanban { gap: 8px; }
  .proj-modal-body { padding: 12px; }
  .proj-tabs { gap: 0; }
  .proj-tab { padding: 8px 12px; font-size: 0.78rem; }
}

/* ── Utility ────────────────────────────────────── */
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 24px; }
.text-muted { color: var(--color-text-secondary); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.hidden { display: none; }

/* ── Airtable-Style Detail Modal (vm-*) ───────── */
.vm-overlay { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,0.7); z-index:1000; display:flex; align-items:center; justify-content:center; opacity:0; visibility:hidden; transition:all 0.25s; }
.vm-overlay.open { opacity:1; visibility:visible; }
.vm-modal { background:var(--color-bg-primary, #1a1a2e); border:var(--glass-border); border-radius:12px; width:90%; max-width:760px; max-height:88vh; display:flex; flex-direction:column; transform:translateY(20px); transition:transform 0.25s; }
.vm-overlay.open .vm-modal { transform:translateY(0); }
.vm-header { padding:20px 24px 0; }
.vm-header-top { display:flex; justify-content:space-between; align-items:flex-start; gap:12px; }
.vm-company { font-size:1.3rem; font-weight:800; cursor:text; }
.vm-close { background:none; border:none; color:var(--color-text-secondary); font-size:1.4rem; cursor:pointer; padding:4px 8px; border-radius:6px; }
.vm-close:hover { background:rgba(255,255,255,0.08); color:var(--color-text-primary); }
.vm-badges { display:flex; gap:8px; margin-top:6px; flex-wrap:wrap; }
.vm-tabs { display:flex; gap:0; border-bottom:1px solid var(--border-color); margin-top:16px; overflow-x:auto; }
.vm-tabs button { padding:10px 18px; border:none; background:none; color:var(--color-text-secondary); cursor:pointer; font-size:0.82rem; font-weight:500; border-bottom:2px solid transparent; transition:all 0.2s; white-space:nowrap; }
.vm-tabs button.active { color:var(--color-success); border-bottom-color:var(--color-success); }
.vm-tabs button:hover:not(.active) { color:var(--color-text-primary); }
.vm-body { flex:1; overflow-y:auto; padding:20px 24px; }
.vm-footer { padding:14px 24px; border-top:1px solid var(--border-color); display:flex; justify-content:space-between; align-items:center; }
.vm-btn-del { background:rgba(239,68,68,0.1); color:#EF4444; border:1px solid rgba(239,68,68,0.3); border-radius:var(--border-radius); padding:7px 16px; font-weight:600; cursor:pointer; font-size:0.82rem; transition:all 0.2s; }
.vm-btn-del:hover { background:rgba(239,68,68,0.2); }
.vm-btn-close { background:var(--glass-bg); border:var(--glass-border); border-radius:var(--border-radius); padding:7px 20px; color:var(--color-text-primary); cursor:pointer; font-weight:500; font-size:0.82rem; }

/* Airtable field grid */
.vm-field-grid { display:flex; flex-direction:column; gap:0; }
.vm-field-row { display:flex; align-items:flex-start; padding:10px 0; border-bottom:1px solid rgba(255,255,255,0.04); }
.vm-field-row:last-child { border:none; }
.vm-field-label { width:160px; flex-shrink:0; font-size:0.78rem; color:var(--color-text-secondary); padding-top:4px; text-transform:uppercase; letter-spacing:0.3px; }
.vm-field-value { flex:1; font-size:0.88rem; padding:3px 8px; border-radius:4px; cursor:text; min-height:24px; transition:background 0.15s; word-break:break-word; }
.vm-field-value:hover { background:rgba(255,255,255,0.04); }
.vm-field-value input, .vm-field-value select, .vm-field-value textarea {
  width:100%; background:var(--glass-bg); border:1.5px solid var(--color-success); border-radius:4px;
  padding:4px 8px; color:var(--color-text-primary); font-size:0.88rem; outline:none;
  box-shadow:0 0 0 2px rgba(0,210,106,0.15);
}
.vm-field-value textarea { resize:vertical; min-height:60px; font-family:inherit; }
@keyframes saveFlash { 0%{background:rgba(0,210,106,0.25)} 100%{background:transparent} }
@keyframes errorFlash { 0%{background:rgba(239,68,68,0.25)} 100%{background:transparent} }
.vm-saved { animation:saveFlash 0.6s ease-out; }
.vm-error { animation:errorFlash 0.6s ease-out; }

/* Stars interactive */
.vm-stars { display:flex; gap:2px; cursor:pointer; }
.vm-stars .star { font-size:1.1rem; transition:transform 0.15s; }
.vm-stars .star:hover { transform:scale(1.3); }

/* Tables in modal */
.vm-table { width:100%; border-collapse:collapse; font-size:0.82rem; }
.vm-table th { text-align:left; padding:8px 10px; font-size:0.72rem; text-transform:uppercase; letter-spacing:0.4px; color:var(--color-text-secondary); border-bottom:1px solid var(--border-color); }
.vm-table td { padding:8px 10px; border-bottom:1px solid rgba(255,255,255,0.04); }
.vm-table tr:hover { background:rgba(255,255,255,0.03); }

/* Equipment cards in modal */
.vm-eq-card { background:var(--glass-bg); border:var(--glass-border); border-radius:8px; padding:14px; display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; cursor:pointer; transition:all 0.2s; }
.vm-eq-card:hover { background:var(--color-bg-card-hover); transform:translateX(4px); }
.vm-eq-tag { font-weight:700; font-size:0.9rem; }
.vm-eq-name { font-size:0.8rem; color:var(--color-text-secondary); }
.vm-eq-badge { padding:2px 8px; border-radius:10px; font-size:0.7rem; font-weight:600; }

/* Activity notes */
.vm-note { background:var(--glass-bg); border-left:3px solid var(--color-success); border-radius:0 8px 8px 0; padding:12px 16px; margin-bottom:10px; }
.vm-note-meta { font-size:0.72rem; color:var(--color-text-secondary); margin-bottom:4px; display:flex; gap:12px; }
.vm-note-content { font-size:0.85rem; }
.vm-note-input { display:flex; gap:8px; margin-bottom:16px; }
.vm-note-input textarea { flex:1; background:var(--glass-bg); border:var(--glass-border); border-radius:var(--border-radius); padding:10px; color:var(--color-text-primary); font-size:0.85rem; resize:none; min-height:60px; font-family:inherit; }
.vm-note-input textarea:focus { border-color:var(--color-success); outline:none; }
.vm-note-send { background:var(--color-success); color:#fff; border:none; border-radius:var(--border-radius); padding:8px 16px; cursor:pointer; font-weight:600; font-size:0.82rem; align-self:flex-end; }

/* P&ID link */
.vm-pid-link { display:flex; align-items:center; gap:8px; padding:10px 14px; background:var(--glass-bg); border:var(--glass-border); border-radius:8px; margin-bottom:8px; cursor:pointer; transition:all 0.2s; text-decoration:none; color:var(--color-text-primary); }
.vm-pid-link:hover { background:var(--color-bg-card-hover); transform:translateX(4px); }

.vm-empty { text-align:center; padding:32px; color:var(--color-text-secondary); font-size:0.85rem; }

/* Toast */
.vm-toast { position:fixed; bottom:24px; right:24px; background:var(--color-success); color:#fff; padding:10px 20px; border-radius:8px; font-size:0.85rem; font-weight:600; z-index:1100; transform:translateY(80px); opacity:0; transition:all 0.3s; pointer-events:none; }
.vm-toast.show { transform:translateY(0); opacity:1; }
.vm-toast.error { background:#EF4444; }

@media(max-width:480px) {
  .vm-field-row { flex-direction:column; }
  .vm-field-label { width:100%; margin-bottom:2px; }
  .vm-modal { width:96%; max-height:92vh; }
}

/* ══════════════════════════════════════════════════════
   PWA / Mobile-First Enhancements (Phase 4B)
   All rules scoped inside @media — desktop unchanged
   ══════════════════════════════════════════════════════ */

/* ── Hamburger Menu Button ───────────────────────── */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1001;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  padding: 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background var(--transition-fast);
}
.mobile-menu-btn:hover,
.mobile-menu-btn:active {
  background: rgba(255,255,255,0.08);
}
.mobile-menu-btn .hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}
/* Animate to X when sidebar is open */
.mobile-menu-btn.is-open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-btn.is-open .hamburger-line:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.is-open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Tablet & Mobile (<=768px) ───────────────────── */
@media (max-width: 768px) {
  /* Show hamburger */
  .mobile-menu-btn { display: flex; }

  /* Sidebar: fixed overlay, hidden by default */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.6);
  }

  /* Main content: full width, no left margin */
  .main { margin-left: 0; }

  /* Topbar: accommodate hamburger */
  .topbar {
    padding: 12px 16px 12px 56px; /* leave room for hamburger */
  }
  .topbar h2 { font-size: 1.05rem; }

  /* Page header: stack */
  .page-header,
  .flex-between { flex-wrap: wrap; gap: 8px; }

  /* KPI grids: 2 columns */
  .dash-kpis,
  .card-grid { grid-template-columns: repeat(2, 1fr); }

  /* Tables: horizontal scroll */
  .table-wrap,
  .table-container,
  .table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* Modal/detail panels: full width */
  .modal-box,
  .vm-modal,
  .proj-modal-box { max-width: 100% !important; width: 96% !important; }

  /* Forms: full width, larger tap targets */
  .form-control,
  .form-select,
  .filter-bar input,
  .filter-bar select { width: 100%; min-height: 44px; }

  /* Buttons: minimum touch target */
  .btn,
  .btn-primary,
  .btn-secondary,
  .btn-add,
  .btn-success,
  .btn-warning,
  .btn-outline-primary,
  .btn-outline-secondary,
  .qa-btn { min-height: 44px; }

  /* Cards: single column stack */
  .dash-grid-2 { grid-template-columns: 1fr; }

  /* Hero: stack vertically */
  .dash-hero { flex-direction: column; gap: 16px; padding: 20px; }
  .dash-hero .hero-stats { gap: 16px; }

  /* Quick actions: wrap nicely */
  .quick-actions { gap: 8px; }
  .qa-btn { flex: 1; min-width: 140px; justify-content: center; font-size: 0.8rem; padding: 10px 12px; }

  /* Notification panel: full width on mobile */
  .notif-panel { width: calc(100vw - 24px); right: -60px; }

  /* Hide the old mobile-toggle since we use .mobile-menu-btn now */
  .mobile-toggle { display: none !important; }
}

/* ── Small Phones (<=480px) ──────────────────────── */
@media (max-width: 480px) {
  /* KPI grids: single column */
  .dash-kpis,
  .card-grid { grid-template-columns: 1fr; }

  /* Font sizes reduced */
  .topbar h2 { font-size: 0.95rem; }
  .kpi-value { font-size: 1.4rem; }
  .card-value { font-size: 1.6rem; }

  /* Padding reduced */
  .content { padding: 12px 8px; }
  .topbar { padding: 10px 12px 10px 52px; }

  /* Sidebar nav: icons only (text hidden) — optional, keep text for now */
  .sidebar-nav a { padding: 12px 16px; font-size: 0.82rem; }

  /* Quick actions: full width */
  .qa-btn { min-width: 100%; }

  /* Notification panel */
  .notif-panel { width: calc(100vw - 16px); right: -80px; }
}

/* Demo mode watermark */
body.demo-mode::after { content:'DEMO'; position:fixed; bottom:20px; right:20px; background:rgba(0,176,240,0.15); color:#00B0F0; padding:8px 24px; border-radius:8px; font-size:1.2rem; font-weight:800; letter-spacing:3px; z-index:9999; pointer-events:none; border:1px solid rgba(0,176,240,0.3); }