/* styles.css */
/* Color Palette & Custom Properties (Warm White Theme) */
:root {
  --bg-primary: #fbfbfa;       /* Off-white, soft warm gray tint */
  --bg-secondary: #ffffff;     /* Pure white for panels & cards */
  --bg-tertiary: #f4f3f0;      /* Slightly darker warm gray for hover and structures */
  --bg-header: #fcfcfc;        /* Clean header background */
  
  --text-primary: #2c2927;     /* Soft dark brown/slate instead of pure black */
  --text-secondary: #66605c;   /* Slate/stone gray for body/subtext */
  --text-tertiary: #9c9590;    /* Light stone gray for hints */
  
  --accent-color: #0d9488;     /* Teal-600: modern, professional, clinical yet warm */
  --accent-hover: #0f766e;     /* Teal-700 */
  --accent-light: #f0fdfa;     /* Teal-50 */
  
  --border-color: #e6e4e0;     /* Soft warm gray border */
  --border-focus: #0d9488;     /* Accent color on focus */
  
  --danger-color: #e11d48;     /* Rose-600 for deletion or warnings */
  --danger-hover: #be123c;     /* Rose-700 */
  --danger-light: #fff1f2;     /* Rose-50 */
  
  --success-color: #16a34a;    /* Green-600 */
  --success-light: #f0fdf4;    /* Green-50 */
  
  --font-main: 'Noto Sans TC', 'Outfit', system-ui, -apple-system, sans-serif;
  
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.03), 0 1px 2px -1px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 12px 24px -4px rgba(44, 41, 39, 0.05), 0 4px 12px -3px rgba(44, 41, 39, 0.03);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

input, select, textarea, button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* App Header Styling */
.app-header {
  height: 70px;
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  z-index: 10;
  box-shadow: var(--shadow-sm);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  background-color: #eff6ff; /* 美麗的淺藍色背景 */
  color: #2563eb;            /* 好看的藍色 */
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.15);
}

.logo-text h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.logo-text span {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 500;
  display: block;
  margin-top: 1px;
}

.header-user-section {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Mock Identity Switcher */
.mock-switcher-container {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: #fef08a; /* Warm yellow warning */
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid #fef08a;
  box-shadow: var(--shadow-sm);
}

.mock-switcher-container label {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #713f12;
}

.mock-select {
  background-color: var(--bg-secondary);
  border: 1px solid #eab308;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  outline: none;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
}

.mock-select:focus {
  border-color: #ca8a04;
}

/* User Badge */
.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 6px 12px 6px 6px;
  border-radius: 40px;
  box-shadow: var(--shadow-sm);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--accent-color);
  color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
}

.user-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
}

.user-role-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

/* Main Container Layout */
.app-container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar (Left Column - 240px) */
.sidebar-panel {
  width: 240px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px 16px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.nav-item i {
  width: 20px;
  height: 20px;
  opacity: 0.8;
}

.nav-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item.active {
  background-color: var(--accent-light);
  color: var(--accent-color);
  font-weight: 600;
}

.nav-item.active i {
  color: var(--accent-color);
  opacity: 1;
}

.sidebar-footer {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.dot-online {
  width: 6px;
  height: 6px;
  background-color: var(--success-color);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--success-color);
}

/* Middle Panel (Middle Column - 360px) */
.middle-panel {
  width: 360px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width var(--transition-normal);
}

.panel-tab-content {
  display: none;
  flex-direction: column;
  height: 100%;
}

.panel-tab-content.active {
  display: flex;
}

.panel-header {
  padding: 24px 20px 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.panel-header p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.header-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Search Box styling */
.search-box-container {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-primary);
}

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

.search-icon {
  position: absolute;
  left: 12px;
  color: var(--text-tertiary);
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.search-input-wrapper input {
  width: 100%;
  padding: 10px 12px 10px 38px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
  outline: none;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.search-input-wrapper input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.08);
}

.clear-search-btn {
  position: absolute;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
}

/* List Container (Scrollable) */
.list-container {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Card item (List item) */
.list-item-card {
  padding: 14px 16px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 14px;
}

.list-item-card:hover {
  background-color: var(--bg-primary);
  border-color: var(--text-tertiary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.list-item-card.selected {
  background-color: var(--accent-light);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-sm);
}

.card-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.88rem;
}

.list-item-card.selected .card-avatar {
  background-color: var(--accent-color);
  color: var(--bg-secondary);
}

/* Interviewed, Surveyed & Upcoming Pending States */
.list-item-card.has-interviewed {
  background-color: #dcfce7; /* 淺綠色 */
  border-color: #bbf7d0;
}
.list-item-card.has-interviewed:hover {
  background-color: #bbf7d0;
}

.list-item-card.has-surveyed {
  background-color: #fed7aa; /* 深橘色 (比 pending-10d 的淺橘色更深) */
  border-color: #f97316;
}
.list-item-card.has-surveyed:hover {
  background-color: #fdbb2d; /* 微調 hover 時的橘黃色 */
}

.list-item-card.pending-10d {
  background-color: #ffedd5; /* 淺橘色 */
  border-color: #fed7aa;
}
.list-item-card.pending-10d:hover {
  background-color: #ffe3c0;
}

/* Maintain selected color precedence */
.list-item-card.selected.has-interviewed,
.list-item-card.selected.has-surveyed,
.list-item-card.selected.pending-10d {
  background-color: var(--accent-light);
  border-color: var(--accent-color);
}

/* Resigned employee card override */
.list-item-card.is-resigned-card {
  background-color: #f8fafc !important;
  border-color: #e2e8f0 !important;
  opacity: 0.88;
}
.list-item-card.is-resigned-card:hover {
  background-color: #f1f5f9 !important;
  border-color: #cbd5e1 !important;
}
.list-item-card.selected.is-resigned-card {
  background-color: #f0fdfa !important;
  border-color: var(--accent-color) !important;
  box-shadow: var(--shadow-sm);
}

/* Section titles for grouped list view */
.list-section-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-top: 12px;
  margin-bottom: 6px;
  padding: 0 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.list-section-title.overdue {
  color: #be123c; /* Darker red/rose */
  margin-top: 6px;
}
.list-section-title i {
  width: 14px;
  height: 14px;
}


.card-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.card-name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.card-id {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  font-family: 'Outfit', sans-serif;
}

.card-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* 員工選擇列表專屬樣式，防擠壓折行與部門自動截斷 */
#employeeList .card-meta-row {
  justify-content: space-between;
  gap: 8px;
}

#employeeList .card-meta-row span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

#employeeList .card-meta-row span:last-child {
  white-space: nowrap;
  flex-shrink: 0;
}

.card-badge {
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
}

.card-badge.active {
  background-color: var(--success-light);
  color: var(--success-color);
}

.card-badge.inactive {
  background-color: var(--danger-light);
  color: var(--danger-color);
}

.card-actions {
  display: flex;
  gap: 4px;
}

/* Spinner and Loaders */
.list-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
  gap: 12px;
  color: var(--text-secondary);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid var(--border-color);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Right Panel (Workspace - Detail & Timeline) */
.right-panel {
  flex: 1;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Empty State View */
.empty-state-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  text-align: center;
  color: var(--text-secondary);
}

.empty-state-illustration {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  width: 90px;
  height: 90px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  color: var(--text-tertiary);
}

.empty-state-illustration i {
  width: 38px;
  height: 38px;
}

.empty-state-view h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.empty-state-view p {
  font-size: 0.88rem;
  max-width: 360px;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* Employee Detail View */
.employee-detail-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* Detail Integrated Header Wrapper */
.detail-header-wrapper {
  display: flex !important;
  flex-direction: column !important;
  background-color: var(--bg-secondary) !important;
  border-bottom: 1px solid var(--border-color) !important;
  z-index: 50 !important;
  flex-shrink: 0 !important;
}

/* Employee Detail Header Card */
.detail-employee-card {
  padding: 24px 28px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 20px;
}

.avatar-large {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--accent-light);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(13, 148, 136, 0.1);
}

.employee-header-info {
  flex: 1;
}

.name-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

.name-row h3 {
  font-size: 1.3rem;
  font-weight: 700;
}

.status-badge {
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
}

.status-badge.active {
  background-color: var(--success-light);
  color: var(--success-color);
}

.status-badge.inactive {
  background-color: var(--danger-light);
  color: var(--danger-color);
}

/* Resignation Toggle Button (Special Color) */
.btn-resign-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-resign-toggle.is-active-btn {
  background-color: #fee2e2;
  border-color: #fca5a5;
  color: #dc2626;
  box-shadow: 0 1px 2px rgba(220, 38, 38, 0.08);
}

.btn-resign-toggle.is-active-btn:hover {
  background-color: #fecaca;
  color: #991b1b;
  transform: translateY(-1px);
}

.btn-resign-toggle.is-inactive-btn {
  background-color: #dcfce7;
  border-color: #86efac;
  color: #16a34a;
}

.btn-resign-toggle.is-inactive-btn:hover {
  background-color: #bbf7d0;
  color: #15803d;
  transform: translateY(-1px);
}

.btn-resign-toggle i {
  width: 14px;
  height: 14px;
}

.btn-collapse-header {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  cursor: pointer;
  color: var(--text-secondary);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-collapse-header:hover {
  background-color: var(--bg-primary);
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.btn-collapse-header i {
  width: 14px;
  height: 14px;
}

/* Collapsed Header State for iPad & Compact Mode (Strict <= 40px, releasing >= 80% viewport) */
.employee-detail-view.is-collapsed .detail-employee-card {
  height: 38px !important;
  min-height: 38px !important;
  max-height: 38px !important;
  padding: 0 16px !important;
  margin: 0 !important;
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 8px !important;
  border-bottom: 1px solid var(--border-color) !important;
  background-color: var(--bg-secondary) !important;
  box-sizing: border-box !important;
}

.employee-detail-view.is-collapsed .avatar-large {
  display: none !important;
}

.employee-detail-view.is-collapsed .meta-grid {
  display: none !important;
}

.employee-detail-view.is-collapsed .survey-actions-bar {
  display: none !important;
}

.employee-detail-view.is-collapsed .employee-header-info {
  width: 100% !important;
  display: flex !important;
  align-items: center !important;
}

.employee-detail-view.is-collapsed .name-row {
  margin: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100% !important;
  gap: 8px !important;
}

.employee-detail-view.is-collapsed .name-row h3 {
  font-size: 0.92rem !important;
  line-height: 1 !important;
}

.employee-detail-view.is-collapsed .status-badge {
  padding: 1px 6px !important;
  font-size: 0.68rem !important;
}

.employee-detail-view.is-collapsed .btn-collapse-header {
  padding: 2px 10px !important;
  height: 26px !important;
  font-size: 0.72rem !important;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px 20px;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0; /* prevent flex/grid overflow */
}

.meta-label {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.meta-val {
  font-size: 0.88rem;
  font-weight: 500;
  word-break: break-word;
}

/* Right Detail Action Tabs */
.action-tab-bar {
  background-color: #f1f5f9 !important;
  border-top: 1px solid #cbd5e1 !important;
  border-bottom: 1px solid #cbd5e1 !important;
  display: flex !important;
  padding: 0 24px !important;
  gap: 8px !important;
  overflow-x: auto !important;
  -webkit-overflow-scrolling: touch !important;
  scrollbar-width: none !important;
  position: relative !important;
  z-index: 20 !important;
  min-height: 46px !important;
  height: 46px !important;
  flex-shrink: 0 !important;
  align-items: center !important;
}
.action-tab-bar::-webkit-scrollbar {
  display: none !important;
}

.action-tab {
  padding: 12px 18px !important;
  border: none !important;
  background: transparent !important;
  cursor: pointer !important;
  color: #475569 !important;
  font-weight: 600 !important;
  font-size: 0.88rem !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  position: relative !important;
  transition: all var(--transition-fast) !important;
  white-space: nowrap !important;
  flex-shrink: 0 !important;
}

.action-tab i {
  width: 16px !important;
  height: 16px !important;
}

.action-tab:hover {
  color: #0d9488 !important;
}

.action-tab.active {
  color: #0d9488 !important;
  font-weight: 700 !important;
  background-color: #ffffff !important;
  border-radius: 6px 6px 0 0 !important;
  box-shadow: 0 -2px 4px rgba(0,0,0,0.03) !important;
}

.action-tab.active::after {
  content: '' !important;
  position: absolute !important;
  bottom: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 3px !important;
  background-color: #0d9488 !important;
  border-radius: 3px 3px 0 0 !important;
}

/* Detail Sub-views */
.detail-sub-content {
  position: relative;
}

.sub-view-container {
  display: none;
  padding: 24px 28px;
}

.sub-view-container.active {
  display: block;
}

/* Form Styles */
.interview-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--bg-secondary);
  padding: 28px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.col-6 {
  flex: 0 0 calc(50% - 8px);
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-group label i {
  width: 16px;
  height: 16px;
  color: var(--accent-color);
}

.required {
  color: var(--danger-color);
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  background-color: var(--bg-primary);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--border-focus);
  background-color: var(--bg-secondary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.08);
}

.text-hint {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: normal;
}

/* File Upload input custom styling */
.file-upload-wrapper {
  position: relative;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-primary);
  text-align: center;
  transition: all var(--transition-fast);
  cursor: pointer;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-upload-wrapper:hover {
  border-color: var(--accent-color);
  background-color: var(--accent-light);
}

.file-upload-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  pointer-events: none;
}

.file-upload-trigger i {
  width: 18px;
  height: 18px;
  color: var(--text-tertiary);
}

.btn-clear-file {
  background: transparent;
  border: none;
  color: var(--danger-color);
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  align-self: flex-start;
  margin-top: 4px;
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--bg-secondary);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-danger {
  background-color: var(--danger-color);
  color: var(--bg-secondary);
}

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

.btn-icon {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-icon.text-danger:hover {
  background-color: var(--danger-light);
  color: var(--danger-color);
}

.w-full {
  width: 100%;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 10px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

/* Timeline Layout */
.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.timeline-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.timeline-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 12px;
}

.timeline-title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.timeline-meta-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-category {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent-color);
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-family: 'Outfit', sans-serif;
}

.timeline-interviewer {
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.timeline-interviewer i {
  width: 14px;
  height: 14px;
  opacity: 0.7;
}

.timeline-actions {
  display: flex;
  gap: 4px;
}

.timeline-body {
  font-size: 0.92rem;
  line-height: 1.6;
  white-space: pre-wrap;
  color: var(--text-primary);
}

/* Timeline Attachments */
.timeline-attachments-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--bg-tertiary);
  padding-top: 12px;
}

.attachments-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.attachments-title i {
  width: 12px;
  height: 12px;
}

.attachments-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.attachment-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.78rem;
  text-decoration: none;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.attachment-chip:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.attachment-chip i {
  width: 14px;
  height: 14px;
}

/* Modals styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(44, 41, 39, 0.4);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalEnter 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalEnter {
  from { transform: translateY(12px) scale(0.98); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary);
  padding: 4px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

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

.modal-form {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* User Login Overlay */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-primary);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.login-logo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #eff6ff; /* 美麗的淺藍色背景 */
  color: #2563eb;            /* 好看的藍色 */
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.1);
}

.login-logo i {
  width: 28px;
  height: 28px;
}

.login-box h2 {
  font-size: 1.4rem;
  font-weight: 700;
}

.login-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: -10px;
  line-height: 1.5;
}

.google-btn-wrapper {
  width: 100%;
  margin-top: 10px;
}

.btn-google {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.btn-google:hover {
  background-color: var(--bg-primary);
  border-color: var(--text-tertiary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-google svg {
  flex-shrink: 0;
}

.login-footer {
  margin-top: 20px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  width: 100%;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.login-support {
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Report Form specific styling */
.report-filter-form {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.export-status-message {
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  display: none;
}

.export-status-message.success {
  display: block;
  background-color: var(--success-light);
  color: var(--success-color);
  border: 1px solid rgba(22, 163, 74, 0.15);
}

.export-status-message.error {
  display: block;
  background-color: var(--danger-light);
  color: var(--danger-color);
  border: 1px solid rgba(225, 29, 72, 0.15);
}

/* Responsive Hide Rules */
@media(max-width: 1024px) {
  .app-header {
    padding: 0 16px;
  }
}

/* Survey Quick Actions Bar & Dropdowns */
.survey-actions-bar {
  background-color: var(--bg-secondary);
  padding: 12px 28px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.survey-bar-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.survey-btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.survey-dropdown {
  position: relative;
  display: inline-block;
}

.survey-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.survey-dropdown-toggle:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
}

.survey-dropdown-toggle .chevron-icon {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
}

.survey-dropdown.active .survey-dropdown-toggle .chevron-icon {
  transform: rotate(180deg);
}

.survey-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 100;
  min-width: 160px;
  margin-top: 4px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 4px 0;
  animation: fadeIn 0.15s ease-out;
}

.survey-dropdown.active .survey-dropdown-menu {
  display: block;
}

.survey-dropdown-item {
  width: 100%;
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  text-align: left;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.survey-dropdown-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.survey-dropdown-item i {
  width: 14px;
  height: 14px;
  opacity: 0.8;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-back-row {
  display: none;
}

/* --- RESPONSIVE DESIGN (IPAD & MOBILE SUPPORT) --- */

/* 1. Tablet Landscape & Portrait (max-width: 1024px) */
@media (max-width: 1024px) {
  .sidebar-panel {
    width: 72px;
    padding: 24px 8px;
    align-items: center;
  }
  .nav-item {
    padding: 12px;
    justify-content: center;
    border-radius: 50%;
  }
  .nav-item span, 
  .sidebar-footer, 
  .status-indicator span:not(.dot-online) {
    display: none;
  }
  .middle-panel {
    width: 290px;
  }

  /* Tablet Adjustments for Employee Detail & Action Bar */
  .detail-employee-card {
    padding: 16px 20px;
    gap: 14px;
  }
  .avatar-large {
    width: 48px;
    height: 48px;
    font-size: 1rem;
  }
  .name-row h3 {
    font-size: 1.15rem;
  }
  .meta-grid {
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 8px 14px;
  }
  .meta-val {
    font-size: 0.82rem;
  }
  .survey-actions-bar {
    padding: 10px 16px;
    gap: 8px;
  }
  .action-tab-bar {
    padding: 0 16px;
    gap: 4px;
  }
  .action-tab {
    padding: 12px 14px;
    font-size: 0.82rem;
  }
}

/* 2. Mobile Layout (max-width: 768px) */
@media (max-width: 768px) {
  /* Stack container layout vertically: header top, bottom nav bottom, content in middle */
  .app-container {
    flex-direction: column-reverse;
    height: calc(100vh - 70px); /* Adjust height excluding header */
    position: relative;
    overflow: hidden;
  }

  /* Transform Sidebar into Bottom Nav Bar */
  .sidebar-panel {
    width: 100% !important;
    height: 64px;
    flex-direction: row !important;
    padding: 0 8px !important;
    border-right: none;
    border-top: 1px solid var(--border-color);
    justify-content: flex-start !important;
    align-items: center;
    background-color: var(--bg-secondary);
    z-index: 100;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox hide scrollbar */
  }

  .sidebar-panel::-webkit-scrollbar {
    display: none; /* Safari/Chrome hide scrollbar */
  }

  .sidebar-nav {
    flex-direction: row !important;
    width: auto !important;
    justify-content: flex-start !important;
    gap: 4px;
  }

  .nav-item {
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 0.65rem;
    background: transparent;
    border-radius: 8px;
    width: 68px;
    text-align: center;
    justify-content: center;
  }

  .nav-item i {
    width: 20px;
    height: 20px;
    margin: 0;
  }

  .nav-item span {
    display: block !important;
    font-size: 0.62rem !important;
    font-weight: 600;
  }

  .sidebar-footer {
    display: none !important;
  }

  /* Content Columns Layout */
  .middle-panel {
    width: 100% !important;
    flex: 1;
    height: 100%;
  }

  .right-panel {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100% !important;
    height: 100%;
    z-index: 90;
    display: none !important; /* Hidden by default */
    background-color: var(--bg-primary);
  }

  /* Mobile employee selection state: Show right panel, hide middle panel */
  body.mobile-employee-selected .right-panel {
    display: flex !important;
  }
  
  body.mobile-employee-selected .middle-panel {
    display: none !important;
  }

  /* Mobile back button display */
  .mobile-back-row {
    display: block !important;
    padding: 16px 20px 0 20px;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
  }

  .btn-back-to-list {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--accent-color);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    transition: all var(--transition-fast);
  }

  .btn-back-to-list:active {
    background: var(--bg-tertiary);
  }

  /* Card and List adaptations for small screen touch scrolling */
  .employee-list-container,
  .panel-body {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Adjust detail view padding for mobile comfort */
  .employee-detail-view {
    padding: 16px !important;
    gap: 16px !important;
  }

  .detail-employee-card {
    padding: 16px !important;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .detail-employee-card .avatar-large {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
  }

  /* Mobile Collapsed State Guard: Retain strict 38px inline layout on mobile & tablet */
  .employee-detail-view.is-collapsed {
    padding: 0 !important;
    gap: 0 !important;
  }

  .employee-detail-view.is-collapsed .detail-employee-card {
    height: 38px !important;
    min-height: 38px !important;
    max-height: 38px !important;
    padding: 0 16px !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 8px !important;
  }

  .employee-detail-view.is-collapsed .avatar-large {
    display: none !important;
  }

  /* Header user info spacing for small header on phones */
  .app-header {
    height: 60px;
    padding: 0 12px;
  }

  .logo-section h1 {
    font-size: 1rem;
  }
  
  .logo-section span {
    font-size: 0.65rem;
  }

  .user-profile-section {
    gap: 8px;
  }

  .user-name-label {
    display: none; /* Hide admin name on mobile to save space */
  }

  /* Form spacing in dialog overlays */
  .modal-content {
    width: 92% !important;
    max-height: 85vh;
    padding: 20px !important;
  }
}

/* Touch responsiveness optimization for iPad and Mobile Safari */
.btn-collapse-header,
.survey-dropdown-toggle,
.btn-back-to-list,
.btn-send-line,
.btn-send-email,
.btn-copy-link,
.action-tab-btn,
.btn-primary,
.btn-secondary,
.btn-resign-toggle,
.nav-item,
.list-item-card {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* Smooth Touch Scrolling Container on WebKit / Safari */
.employee-detail-view,
.detail-sub-content,
.timeline-container,
.tab-content-container,
.panel-body,
.employee-list-container {
  -webkit-overflow-scrolling: touch;
}