:root {
  --bg-deep: #070B19;
  --bg-surface: #0E172C;
  --bg-card: rgba(18, 28, 54, 0.75);
  --bg-card-hover: rgba(26, 40, 75, 0.85);
  --border-glow: rgba(0, 242, 254, 0.15);
  --border-subtle: rgba(255, 255, 255, 0.08);
  
  --primary-cyan: #00F2FE;
  --primary-blue: #4FACFE;
  --accent-gold: #F59E0B;
  --accent-green: #10B981;
  --accent-purple: #8B5CF6;
  --accent-red: #EF4444;

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --sidebar-width: 260px;
  --header-height: 70px;
  --radius-lg: 16px;
  --radius-md: 10px;
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-cyan);
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

.sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #00F2FE 0%, #4FACFE 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #070B19;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.sidebar-brand h2 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #FFF;
  letter-spacing: -0.02em;
}

.sidebar-brand p {
  font-size: 0.68rem;
  color: var(--primary-cyan);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-menu {
  list-style: none;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.nav-item a:hover, .nav-item.active a {
  background: rgba(0, 242, 254, 0.08);
  color: var(--primary-cyan);
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.nav-item.active a {
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 242, 254, 0.1);
}

.nav-icon {
  font-size: 1.1rem;
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.iso-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 4px 8px;
  border-radius: 6px;
  font-weight: 600;
  margin-top: 6px;
}

/* Main Content Area */
.main-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: calc(100% - var(--sidebar-width));
}

/* Top Navigation Bar */
.topbar {
  height: var(--header-height);
  background: rgba(14, 23, 44, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.search-box {
  display: flex;
  align-items: center;
  background: rgba(7, 11, 25, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 8px 16px;
  width: 320px;
  gap: 10px;
  transition: all 0.2s ease;
}

.search-box:focus-within {
  border-color: var(--primary-cyan);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.2);
}

.search-box input {
  background: none;
  border: none;
  outline: none;
  color: #FFF;
  font-family: inherit;
  font-size: 0.85rem;
  width: 100%;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.action-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.action-btn:hover {
  background: rgba(0, 242, 254, 0.15);
  color: var(--primary-cyan);
  border-color: rgba(0, 242, 254, 0.3);
}

.action-btn-primary {
  background: linear-gradient(135deg, #00F2FE 0%, #4FACFE 100%);
  color: #070B19;
  border: none;
  box-shadow: 0 4px 14px rgba(0, 242, 254, 0.3);
}

.action-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4);
  color: #070B19;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: 16px;
  border-left: 1px solid var(--border-subtle);
}

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #FFF;
  font-size: 0.85rem;
  border: 2px solid rgba(255, 255, 255, 0.1);
}

/* Page Body Content */
.content-area {
  padding: 32px;
  flex: 1;
}

.page-header {
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-title h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-title p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

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

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-cyan), var(--primary-blue));
  opacity: 0.6;
}

.kpi-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-glow);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.kpi-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.kpi-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--primary-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.kpi-trend {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.kpi-trend.up {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.kpi-trend.neutral {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-gold);
}

.kpi-value {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.kpi-label {
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

@media (max-width: 1100px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.panel-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
}

.custom-table th {
  padding: 12px 16px;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.custom-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  vertical-align: middle;
}

.custom-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.badge-status {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: inline-block;
}

.badge-in-progress {
  background: rgba(0, 242, 254, 0.12);
  color: var(--primary-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.badge-completed {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-docked {
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-gold);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-review {
  background: rgba(139, 92, 246, 0.12);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

/* Progress bar */
.progress-bar-bg {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 4px;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary-cyan), var(--primary-blue));
  transition: width 0.4s ease;
}

/* Activity Feed */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.activity-item {
  display: flex;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
}

.activity-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(0, 242, 254, 0.1);
  color: var(--primary-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.activity-details p {
  font-size: 0.85rem;
  line-height: 1.4;
}

.activity-time {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* Modal Dialog */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 8, 20, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  width: 100%;
  max-width: 540px;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
}

.close-modal {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.close-modal:hover {
  color: #FFF;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input, .form-group select {
  width: 100%;
  background: rgba(7, 11, 25, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: #FFF;
  font-family: inherit;
  font-size: 0.9rem;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--primary-cyan);
  outline: none;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-left: 0;
    width: 100%;
  }
  .topbar {
    padding: 0 16px;
  }
  .search-box {
    width: 180px;
  }
  .content-area {
    padding: 20px 16px;
  }
}