/* Import Google Font (Prompt) for premium look in both Thai and English */
@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&display=swap');

/* Reset and Core Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Prompt', sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

:root {
  /* Color Tokens - Default Dark Mode (Premium Indigo & Cyan theme) */
  --bg-color: #0b0f19;
  --bg-gradient: radial-gradient(circle at top right, #1a1535, #0b0f19 60%);
  --panel-bg: rgba(20, 25, 40, 0.65);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-border-hover: rgba(255, 255, 255, 0.15);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-inverse: #111827;
  
  --primary: #7c3aed; /* Violet */
  --primary-hover: #8b5cf6;
  --primary-glow: rgba(124, 58, 237, 0.3);
  
  --accent: #06b6d4; /* Cyan */
  --accent-glow: rgba(6, 182, 212, 0.25);
  
  --success: #10b981; /* Emerald */
  --success-glow: rgba(16, 185, 129, 0.35);
  --success-bg: rgba(16, 185, 129, 0.15);
  
  --warning: #f59e0b; /* Amber */
  --warning-glow: rgba(245, 158, 11, 0.3);
  --warning-bg: rgba(245, 158, 11, 0.15);
  
  --danger: #ef4444; /* Rose Red */
  --danger-glow: rgba(239, 68, 68, 0.3);
  --danger-bg: rgba(239, 68, 68, 0.15);

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --glass-blur: blur(12px);
  --card-radius: 16px;
}

/* Light Mode Override */
[data-theme="light"] {
  --bg-color: #f0f4f8;
  --bg-gradient: radial-gradient(circle at top right, #e2e8f0, #f0f4f8 70%);
  --panel-bg: rgba(255, 255, 255, 0.75);
  --panel-border: rgba(15, 23, 42, 0.08);
  --panel-border-hover: rgba(15, 23, 42, 0.15);
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  
  --primary: #6366f1; /* Indigo */
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.2);
  
  --accent: #0ea5e9; /* Sky Blue */
  --accent-glow: rgba(14, 165, 233, 0.2);
  
  --success: #059669;
  --success-bg: rgba(5, 150, 105, 0.1);
  
  --warning: #d97706;
  --warning-bg: rgba(217, 119, 6, 0.1);
  
  --danger: #dc2626;
  --danger-bg: rgba(220, 38, 38, 0.1);

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
}

body {
  background: var(--bg-color);
  background-image: var(--bg-gradient);
  min-height: 100vh;
  color: var(--text-main);
  display: flex;
  overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}
[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
}
[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.25);
}

/* Layout Container */
.app-container {
  display: flex;
  width: 100vw;
  min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
  width: 260px;
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--panel-border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  padding: 0 8px;
}

.sidebar-logo {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: 0 4px 10px var(--primary-glow);
}

.sidebar-title {
  font-size: 1.15rem;
  font-weight: 600;
  background: linear-gradient(to right, var(--text-main), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.sidebar-title span {
  font-size: 0.75rem;
  display: block;
  font-weight: 400;
  color: var(--text-muted);
}

.nav-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.nav-item {
  width: 100%;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 12px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .nav-link:hover {
  background: rgba(0, 0, 0, 0.03);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--primary), rgba(124, 58, 237, 0.6));
  color: white;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.nav-link.active svg {
  stroke: white;
}

.nav-link svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-muted);
  stroke-width: 2px;
  fill: none;
  transition: stroke 0.2s ease;
}

.nav-link:hover svg {
  stroke: var(--text-main);
}

/* Sidebar Footer (Theme toggle & Log out) */
.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--panel-border);
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  cursor: pointer;
  color: var(--text-main);
  font-size: 0.9rem;
}

[data-theme="light"] .theme-toggle-btn {
  background: rgba(0, 0, 0, 0.02);
}

.theme-toggle-btn:hover {
  border-color: var(--panel-border-hover);
}

.theme-toggle-icons {
  position: relative;
  width: 20px;
  height: 20px;
}

.theme-toggle-icons svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  stroke: var(--text-main);
  fill: none;
  stroke-width: 2;
}

.theme-toggle-icons .sun {
  display: block;
}
.theme-toggle-icons .moon {
  display: none;
}
[data-theme="light"] .theme-toggle-icons .sun {
  display: none;
}
[data-theme="light"] .theme-toggle-icons .moon {
  display: block;
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 40px;
  min-height: 100vh;
  position: relative;
}

/* View Containers (Router) */
.view-container {
  display: none;
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  max-width: 1200px;
  margin: 0 auto;
}

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

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

/* Header Styles */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 16px;
}

.page-title h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.page-title p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

/* Quick Status Cards / KPIs */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.kpi-card {
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
}

.kpi-card.accent::before {
  background: var(--accent);
}
.kpi-card.success::before {
  background: var(--success);
}
.kpi-card.info::before {
  background: #06b6d4;
}
.kpi-card.warning::before {
  background: var(--warning);
}

.kpi-card:hover {
  transform: translateY(-4px);
  border-color: var(--panel-border-hover);
  box-shadow: var(--shadow-lg);
}

.kpi-card.clickable {
  cursor: pointer;
}

.kpi-info h3 {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .kpi-icon {
  background: rgba(0, 0, 0, 0.04);
}

.kpi-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--text-main);
  fill: none;
  stroke-width: 2;
}

.kpi-card.success .kpi-icon svg {
  stroke: var(--success);
}
.kpi-card.accent .kpi-icon svg {
  stroke: var(--accent);
}
.kpi-card.warning .kpi-icon svg {
  stroke: var(--warning);
}

/* Dashboard Panels Layout */
.dashboard-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

@media (max-width: 992px) {
  .dashboard-layout {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.panel-title {
  font-size: 1.15rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-title svg {
  width: 22px;
  height: 22px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2;
}

/* Custom CSS Charts */
.chart-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 8px 0;
}

.chart-bar-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chart-bar-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

.chart-bar-name {
  font-weight: 500;
}

.chart-bar-count {
  color: var(--text-muted);
}

.chart-bar-outer {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  overflow: hidden;
}

[data-theme="light"] .chart-bar-outer {
  background: rgba(0, 0, 0, 0.05);
}

.chart-bar-inner {
  height: 100%;
  background: linear-gradient(to right, var(--primary), var(--accent));
  border-radius: 4px;
  width: 0;
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* OT Activity Feed */
.activity-feed {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 340px;
  overflow-y: auto;
  padding-right: 8px;
}

.feed-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 12px;
}

[data-theme="light"] .feed-item {
  background: rgba(0, 0, 0, 0.01);
  border-color: rgba(0, 0, 0, 0.03);
}

.feed-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--panel-border);
}

.feed-details {
  flex: 1;
  min-width: 0;
}

.feed-name {
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.feed-action {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.feed-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  white-space: nowrap;
}

.feed-badge {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  background: var(--success-bg);
  color: var(--success);
  display: inline-block;
  margin-top: 2px;
}

/* Department Tab Selector */
.dept-selector {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 4px 12px 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--panel-border);
}

.dept-tab {
  padding: 10px 20px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 30px;
  cursor: pointer;
  white-space: nowrap;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.dept-tab:hover {
  color: var(--text-main);
  border-color: var(--panel-border-hover);
}

.dept-tab.active {
  background: var(--text-main);
  color: var(--text-inverse);
  border-color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.dept-tab-count {
  font-size: 0.75rem;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  font-weight: 600;
}

.dept-tab.active .dept-tab-count {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-inverse);
}

/* Employee Cards Grid */
.employee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.employee-card {
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
  padding: 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}

.employee-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 8px 30px var(--primary-glow);
}

/* Glowing Indicator for active OT */
.employee-card.ot-active {
  border-color: var(--success);
  box-shadow: 0 0 20px var(--success-glow);
}
.employee-card.ot-pending {
  border-color: var(--warning);
  box-shadow: 0 0 20px var(--warning-glow);
}

.employee-card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-admin {
  background: rgba(124, 58, 237, 0.15);
  color: #a78bfa;
}
[data-theme="light"] .badge-admin {
  background: rgba(124, 58, 237, 0.1);
  color: #7c3aed;
}

.badge-management {
  background: rgba(6, 182, 212, 0.15);
  color: #22d3ee;
}
[data-theme="light"] .badge-management {
  background: rgba(6, 182, 212, 0.1);
  color: #0891b2;
}

.badge-employee {
  background: rgba(156, 163, 175, 0.15);
  color: #d1d5db;
}
[data-theme="light"] .badge-employee {
  background: rgba(100, 116, 139, 0.1);
  color: #475569;
}

.avatar-container {
  position: relative;
  width: 96px;
  height: 96px;
}

.employee-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--panel-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 600;
  color: white;
}

.employee-card.ot-active .employee-avatar {
  border-color: var(--success);
}
.employee-card.ot-pending .employee-avatar {
  border-color: var(--warning);
}

.ot-indicator-dot {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #64748b;
  border: 3px solid var(--bg-color);
}

.employee-card.ot-active .ot-indicator-dot {
  background: var(--success);
  animation: pulse 1.5s infinite;
}

.employee-card.ot-pending .ot-indicator-dot {
  background: var(--warning);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 var(--success-glow);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

.employee-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.employee-name {
  font-size: 1.1rem;
  font-weight: 600;
}

.employee-dept {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.employee-pos {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  margin-top: 2px;
}

.employee-phone {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: center;
}

.ot-status-box {
  margin-top: 4px;
  width: 100%;
  padding: 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  font-size: 0.85rem;
}

[data-theme="light"] .ot-status-box {
  background: rgba(0, 0, 0, 0.01);
}

.employee-card.ot-active .ot-status-box {
  background: var(--success-bg);
  border-color: rgba(16, 185, 129, 0.2);
}
.employee-card.ot-pending .ot-status-box {
  background: var(--warning-bg);
  border-color: rgba(245, 158, 11, 0.2);
}

.status-label {
  font-weight: 500;
  display: block;
}

.employee-card.ot-active .status-label {
  color: var(--success);
}
.employee-card.ot-pending .status-label {
  color: var(--warning);
}

.status-details {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
  display: block;
}

.employee-card.ot-active .status-details {
  color: var(--text-main);
  opacity: 0.85;
}

/* General Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 10px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 6px 18px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: var(--panel-border);
}

[data-theme="light"] .btn-secondary {
  background: rgba(0, 0, 0, 0.04);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--panel-border-hover);
}

[data-theme="light"] .btn-secondary:hover {
  background: rgba(0, 0, 0, 0.08);
}

.btn-accent {
  background: var(--accent);
  color: var(--text-inverse);
  font-weight: 600;
}

.btn-accent:hover {
  opacity: 0.9;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  background: var(--danger);
  color: white;
  box-shadow: 0 4px 12px var(--danger-glow);
}

.btn-success {
  background: var(--success-bg);
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
  background: var(--success);
  color: white;
  box-shadow: 0 4px 12px var(--success-glow);
}

/* Floating Add Action Button */
.fab {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
  border: none;
  font-size: 1.5rem;
  position: absolute;
  bottom: 24px;
  right: 24px;
  z-index: 90;
}

.fab:hover {
  transform: scale(1.08) rotate(90deg);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5);
}

/* Portal Self-Service Form styling */
.form-container {
  max-width: 650px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
}

[data-theme="light"] .form-input, 
[data-theme="light"] .form-select, 
[data-theme="light"] .form-textarea {
  background: rgba(255, 255, 255, 0.8);
}

.form-select option,
select option {
  background-color: #ffffff;
  color: #111827;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: rgba(255, 255, 255, 0.06);
}

/* File / Photo Capture Design */
.photo-setup-container {
  display: flex;
  gap: 20px;
  margin-top: 8px;
}

@media (max-width: 576px) {
  .photo-setup-container {
    flex-direction: column;
  }
}

.photo-preview-box {
  width: 140px;
  height: 140px;
  border-radius: 12px;
  border: 2px dashed var(--panel-border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}

.photo-preview-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-align: center;
  padding: 8px;
}

.photo-preview-placeholder svg {
  width: 32px;
  height: 32px;
  stroke: var(--text-muted);
  stroke-width: 1.5;
  fill: none;
}

.photo-options-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.photo-upload-input {
  display: none;
}

/* Modals styling (Webcam capture / Password lock screen / Edit forms) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-window {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  width: 100%;
  max-width: 500px;
  overflow: hidden;
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  margin: 20px;
}

.modal-overlay.active .modal-window {
  transform: scale(1);
}

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

.modal-title {
  font-size: 1.15rem;
  font-weight: 600;
}

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

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.15);
  border-top: 1px solid var(--panel-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Webcam Viewfinder Area */
.webcam-viewfinder {
  width: 100%;
  height: 280px;
  background: black;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border: 1px solid var(--panel-border);
}

.webcam-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.webcam-shutter-btn {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: white;
  border: 4px solid rgba(0, 0, 0, 0.2);
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  outline: none;
}

.webcam-shutter-btn:active {
  transform: translateX(-50%) scale(0.9);
}

.webcam-shutter-btn-inner {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--danger);
}

/* Admin Lock / Auth Gate screen */
.auth-gate-container {
  max-width: 420px;
  margin: 80px auto;
  text-align: center;
}

.auth-card {
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
  padding: 40px 32px;
  box-shadow: var(--shadow-lg);
}

.auth-lock-icon {
  width: 64px;
  height: 64px;
  background: rgba(124, 58, 237, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px auto;
  color: var(--primary);
  border: 1px solid rgba(124, 58, 237, 0.2);
}

.auth-lock-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2;
}

.auth-card h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.auth-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* Roster Table Styling in Admin panel */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: rgba(0, 0, 0, 0.1);
  margin-top: 16px;
}

.roster-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.roster-table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 14px 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--panel-border);
  color: var(--text-muted);
}

[data-theme="light"] .roster-table th {
  background: rgba(0, 0, 0, 0.02);
}

.roster-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--panel-border);
  vertical-align: middle;
}

.roster-table tr:last-child td {
  border-bottom: none;
}

.roster-table tr:hover td {
  background: rgba(255, 255, 255, 0.01);
}

[data-theme="light"] .roster-table tr:hover td {
  background: rgba(0, 0, 0, 0.005);
}

.table-user-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}

.table-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.table-user-name {
  font-weight: 500;
}

.table-user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.table-actions {
  display: flex;
  gap: 8px;
}

/* Admin Dashboard Subsections */
.admin-settings-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

/* Search and Filter Row */
.filter-bar {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 240px;
}

.search-input-wrapper svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  stroke: var(--text-muted);
  fill: none;
  stroke-width: 2;
}

.search-input-wrapper .form-input {
  padding-left: 44px;
}

/* Auto-Complete search list for clocking in */
.autocomplete-container {
  position: relative;
}

.autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-color);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  max-height: 200px;
  overflow-y: auto;
  z-index: 10;
  box-shadow: var(--shadow-lg);
  display: none;
}

.autocomplete-dropdown.active {
  display: block;
}

.autocomplete-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.autocomplete-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

[data-theme="light"] .autocomplete-item:hover {
  background: rgba(0, 0, 0, 0.03);
}

.autocomplete-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
  body {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100vw;
    height: 64px;
    position: fixed;
    bottom: 0;
    top: auto;
    left: 0;
    right: 0;
    flex-direction: row;
    justify-content: space-around;
    padding: 0;
    border-right: none;
    border-top: 1px solid var(--panel-border);
    border-radius: 20px 20px 0 0;
    background: rgba(20, 25, 40, 0.85);
  }
  
  .sidebar-brand {
    display: none; /* Hide brand on mobile bottom-nav */
  }
  
  .nav-menu {
    flex-direction: row;
    justify-content: space-around;
    width: 100%;
    gap: 0;
    align-items: center;
  }
  
  .nav-item {
    width: auto;
  }
  
  .nav-link {
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    font-size: 0.65rem;
    border-radius: 0;
    background: none !important;
    box-shadow: none !important;
    color: var(--text-muted);
  }
  
  .nav-link.active {
    color: var(--primary);
  }
  
  .nav-link.active svg {
    stroke: var(--primary);
  }
  
  .sidebar-footer {
    display: none; /* Hide footer on mobile bottom-nav */
  }
  
  .main-content {
    margin-left: 0;
    padding: 24px 16px 88px 16px; /* Extra bottom padding for mobile navigation bar */
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }
}

/* Shaking animation for incorrect password entry */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

.shake {
  animation: shake 0.3s ease-in-out;
}

/* Calendar Component Styles */
.calendar-wrapper {
  margin-top: 16px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
  padding: 24px;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.calendar-control {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.calendar-month-title {
  font-weight: 600;
  font-size: 1.25rem;
}
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  text-align: center;
}
.calendar-header-day {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 0;
  text-transform: uppercase;
}
.calendar-day {
  min-height: 100px;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
  cursor: pointer;
  position: relative;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-theme="light"] .calendar-day {
  background: rgba(0, 0, 0, 0.01);
}
.calendar-day:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--primary-glow);
}
[data-theme="light"] .calendar-day:hover {
  background: rgba(0, 0, 0, 0.03);
}
.calendar-day.other-month {
  opacity: 0.25;
  cursor: default;
  pointer-events: none;
}
.calendar-day.today {
  border-color: var(--accent);
  background: rgba(6, 182, 212, 0.06);
  box-shadow: 0 0 10px var(--accent-glow);
}
.calendar-day.selected-day {
  border-color: var(--primary);
  background: rgba(124, 58, 237, 0.08);
  box-shadow: 0 0 15px var(--primary-glow);
}
.calendar-day-num {
  font-size: 0.95rem;
  font-weight: 600;
  align-self: flex-start;
}
.calendar-day-shifts {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 6px;
  overflow-y: auto;
  max-height: 60px;
}
.calendar-shift-badge {
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  display: block;
}
.badge-shift-allowed {
  background: rgba(124, 58, 237, 0.15);
  color: #c084fc;
  border: 1px solid rgba(124, 58, 237, 0.2);
}
[data-theme="light"] .badge-shift-allowed {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  border-color: rgba(99, 102, 241, 0.2);
}
.badge-shift-normal {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.badge-shift-booked {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.badge-shift-pending {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

/* History Lookup Styles */
.history-info-header {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--panel-border);
}
.history-stat-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}
[data-theme="light"] .history-stat-card {
  background: rgba(0, 0, 0, 0.01);
}

/* Calendar Shift Detail Cards */
.calendar-shift-detail-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.2s ease;
}
.calendar-shift-detail-card:hover {
  border-color: var(--panel-border-hover);
  background: rgba(255, 255, 255, 0.04);
}
.calendar-shift-detail-card.normal-workday {
  border-left: 4px solid var(--success);
}
.calendar-shift-detail-card.ot-shift {
  border-left: 4px solid var(--accent);
}
[data-theme="light"] .calendar-shift-detail-card {
  background: rgba(0, 0, 0, 0.02);
}
[data-theme="light"] .calendar-shift-detail-card:hover {
  background: rgba(0, 0, 0, 0.04);
}


/* Unified Login Gate Styles */
.login-gate-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at top right, rgba(20, 15, 45, 0.95), rgba(10, 12, 25, 0.99));
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

[data-theme="light"] .login-gate-overlay {
  background: radial-gradient(circle at top right, rgba(220, 225, 235, 0.95), rgba(240, 243, 248, 0.99));
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--panel-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
  padding: 48px 40px;
  box-shadow: var(--shadow-lg), 0 0 50px rgba(124, 58, 237, 0.12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.login-brand {
  margin-bottom: 32px;
}

.login-logo {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--text-inverse);
  font-size: 2.2rem;
  font-weight: 800;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px auto;
  box-shadow: 0 8px 24px var(--primary-glow);
  letter-spacing: -1px;
}

.login-card h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 8px;
  background: linear-gradient(to right, var(--text-main), #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .login-card h2 {
  background: none;
  -webkit-text-fill-color: initial;
  color: var(--text-main);
}

.login-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.login-footer p {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--panel-border);
}