:root {
  --bg-main: #0f172a;
  --sidebar-bg: #1e293b;
  --card-bg: rgba(30, 41, 59, 0.7);
  --accent: #38bdf8;
  --accent-secondary: #818cf8;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --glass-border: rgba(255, 255, 255, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Outfit", sans-serif;
}

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

.layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
  width: 280px;
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--glass-border);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
}

.sidebar-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.5rem;
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(to right, var(--accent), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 2rem;
}

.sidebar-logo img {
  width: 100px !important;
  height: 100px !important;
  margin: 10px auto !important;
  display: block !important;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.2));
}

.nav-links {
  list-style: none;
}

.nav-item {
  margin-bottom: 0.5rem;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 0.75rem;
  transition: var(--transition);
  font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
}

.nav-link i {
  margin-right: 1rem;
  font-size: 1.25rem;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 2rem;
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: 3rem;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

.header-title h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.header-title p {
  color: var(--text-secondary);
}

.user-profile {
  display: flex;
  align-items: center;
  background: var(--card-bg);
  padding: 0.75rem 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--glass-border);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--accent), var(--accent-secondary));
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  margin-right: 1rem;
}

/* Dashboard Cards/Widgets */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 1.5rem;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.stat-header {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.stat-value {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

/* Forms and Inputs */
.card {
  background: var(--card-bg);
  border-radius: 1.5rem;
  padding: 2.5rem;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  margin-bottom: 2rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(to right, var(--accent), var(--accent-secondary));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(56, 189, 248, 0.4);
}

/* Request Table Styling */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--glass-border);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge {
  padding: 0.4rem 0.8rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-pending {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}
.badge-approved {
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent);
}
.badge-completed {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}
.badge-rejected {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}
.badge-hold {
  background: rgba(148, 163, 184, 0.2);
  color: #cbd5e1;
}
.badge-inprogress {
  background: rgba(129, 140, 248, 0.2);
  color: var(--accent-secondary);
}

/* Notifications (Toast) */
.toast-container {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.toast {
  background: rgba(30, 41, 59, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  padding: 1.25rem 2rem;
  border-radius: 1rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  color: white;
  animation: slideInRight 0.4s ease-out;
  display: flex;
  align-items: center;
  gap: 1rem;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Tooltip Styles */
.tooltip {
  position: relative;
  cursor: help;
  display: inline-block;
}

.tooltip-text {
  visibility: hidden;
  width: 400px;
  max-width: 90vw;
  background-color: rgba(15, 23, 42, 0.98);
  color: var(--text-primary);
  text-align: left;
  border-radius: 1rem;
  padding: 1.5rem;
  position: absolute;
  z-index: 99999;
  top: 50%;
  left: 110%; /* Position to the right of the text */
  transform: translateY(-50%);
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(15px);
  font-size: 0.9rem;
  line-height: 1.6;
  pointer-events: auto;
  word-wrap: break-word;
  max-height: 450px;
  overflow-y: auto;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
  transform: translateY(-50%) translateX(10px);
}

.table-container {
  overflow: visible !important; /* Critical to show tooltips outside table */
}

.description-text {
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: inline-block;
  vertical-align: middle;
}