:root {
  /* Phasicon Palette */
  --bg-body: #fcfcfc;
  --bg-nav: rgba(252, 252, 252, 0.9);
  --bg-sidebar: #f8f9fa;
  --bg-card: #ffffff;
  --bg-card-dark: #fcfcfc; /* Used for panels, effectively light now */
  
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  
  --accent: #8da370; /* Muted Sage Green */
  --accent-hover: #4a5d3f; /* Dark Olive */
  --accent-light: #dce6d3;
  --accent-dark: #4a5d3f;
  
  --link: #4a5d3f;
  
  --border: #e0e0e0;
  --success: #6b8255;
  --danger: #d13212;
  
  --sidebar-width: 280px;
  --header-height: 70px; /* Taller header per Phasicon */
  
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Outfit', sans-serif;
  
  --glass-bg: rgba(255, 255, 255, 0.4);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

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

body {
  background-color: var(--bg-body);
  color: var(--text-primary);
  font-family: var(--font-sans);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--accent-dark);
}

h1 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

a {
  color: var(--link);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.3s;
}

a:hover {
  color: var(--accent);
}

/* Layout */
#app-container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Top Header (Global Nav) */
header {
  height: var(--header-height);
  background: var(--bg-nav);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  padding: 0 40px;
  justify-content: space-between;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  z-index: 50;
}

.brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.02em;
}

.brand img {
  height: 30px;
  width: 30px;
}

.user-menu {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Sidebar */
aside {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  padding: 30px 0;
  overflow-y: auto;
  border-right: 1px solid var(--border);
}

.nav-group {
  margin-bottom: 30px;
}

.nav-header {
  padding: 0 30px 10px;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--accent-dark);
  font-weight: 600;
  letter-spacing: 0.15em;
  opacity: 0.7;
}

.nav-item {
  padding: 12px 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all 0.3s;
  border-left: 4px solid transparent;
}

.nav-item:hover {
  background-color: rgba(141, 163, 112, 0.1);
  color: var(--accent-dark);
  padding-left: 35px;
}

.nav-item.active {
  background: linear-gradient(to right, rgba(141, 163, 112, 0.15), transparent);
  color: var(--accent-dark);
  border-left-color: var(--accent);
  font-weight: 500;
}

/* Main Content */
main {
  flex: 1;
  padding: 40px;
  overflow-y: auto;
  background-color: var(--bg-body);
}

/* Cards & Panels (Glassmorphism inspired) */
.panel {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.02);
  transition: transform 0.3s;
}

.panel:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.05);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 50px; /* Rounded buttons */
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 0.02em;
}

.btn-primary {
  background-color: var(--accent);
  color: white;
  box-shadow: 0 4px 10px rgba(141, 163, 112, 0.3);
}

.btn-primary:hover {
  background-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(141, 163, 112, 0.4);
}

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

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-danger {
  background-color: #fff;
  color: var(--danger);
  border-color: var(--danger);
}

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

.btn-sm {
  padding: 6px 16px;
  font-size: 0.85rem;
}

/* Tables (Clean, airy) */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.95rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

thead {
  background-color: transparent;
}

th {
  text-align: left;
  padding: 15px 20px;
  color: var(--accent-dark);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1rem;
  border-bottom: 2px solid var(--accent-light);
}

td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  background: white;
}

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

tr:hover td {
  background-color: #fafafa;
}

/* Rounded corners for table */
tr:first-child th:first-child { border-top-left-radius: 12px; }
tr:first-child th:last-child { border-top-right-radius: 12px; }
tr:last-child td:first-child { border-bottom-left-radius: 12px; }
tr:last-child td:last-child { border-bottom-right-radius: 12px; }

/* Badges */
.badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success {
  color: #3d5a28;
  background: #dce6d3;
  border: 1px solid #c5d6b6;
}

.badge-error {
  color: #a33b3b;
  background: #fadbd8;
  border: 1px solid #f5b7b1;
}

.badge-neutral {
  color: #666;
  background: #f0f0f0;
  border: 1px solid #e0e0e0;
}

/* Forms */
input, select, textarea {
  background-color: white;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  width: 100%;
  transition: all 0.3s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--accent-dark);
  font-weight: 500;
}

.form-group {
  margin-bottom: 24px;
}

/* Utility */
.flex { display: flex; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.gap-2 { gap: 10px; }
.gap-4 { gap: 20px; }
.hidden { display: none !important; }
.text-right { text-align: right; }
.mt-4 { margin-top: 20px; }

/* Dashboard Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.stat-card {
  background: white; /* Glass card look */
  border-radius: 20px;
  padding: 30px;
  border: 1px solid #f0f0f0;
  /* Visual from Phasicon glass cards */
  background: linear-gradient(135deg, white 0%, #fcfcfc 100%);
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
    /* Decorative circle */
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent-light);
    opacity: 0.3;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 400;
  margin-top: 15px;
  color: var(--accent-dark);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* Login */
body.login-page {
  background-color: var(--bg-body);
  align-items: center;
  justify-content: center;
  background-image: radial-gradient(circle at 10% 20%, rgba(220, 230, 211, 0.4) 0%, transparent 20%),
                    radial-gradient(circle at 90% 80%, rgba(141, 163, 112, 0.1) 0%, transparent 25%);
}

.login-container {
  background: white;
  padding: 50px;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.05);
  width: 400px;
  border: 1px solid rgba(0,0,0,0.05);
  text-align: center;
}

.login-page input {
  background: #fafafa;
  margin-bottom: 15px;
}

.login-page h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--accent-dark);
  margin-bottom: 10px;
}

.login-page .subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    display: block;
}

/* Modals */
.modal-overlay {
  background: rgba(26, 26, 26, 0.2);
  backdrop-filter: blur(4px);
}

.modal {
  background: white;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
  border: none;
}

.modal-header {
  background: transparent;
  padding: 24px 30px;
  border-bottom: 1px solid #f0f0f0;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--accent-dark);
}

.modal-body {
  padding: 30px;
}

.modal-footer {
  padding: 20px 30px;
  border-top: 1px solid #f0f0f0;
  background: #fafafa;
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
}

/* Responsive Design */
@media (max-width: 768px) {
  /* Layout: Stack sidebar and main content */
  #app-container {
    flex-direction: column;
    overflow: auto; /* Allow full page scroll */
  }

  /* Header adjustments */
  header {
    padding: 0 20px;
    height: 60px;
  }

  /* Sidebar becomes a horizontal scrollable menu or stacked */
  aside {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
    flex-direction: row;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .nav-group {
    display: flex;
    margin-bottom: 0;
    align-items: center;
    border-right: 1px solid rgba(0,0,0,0.05);
    padding-right: 10px;
    margin-right: 10px;
  }

  .nav-group:last-child {
    border: none;
  }

  .nav-header {
    display: none; /* Hide section headers to save space */
  }

  .nav-item {
    padding: 8px 15px;
    font-size: 0.9rem;
  }

  /* Main Content */
  main {
    padding: 20px;
  }

  /* Stats Grid */
  .stats-grid {
    grid-template-columns: 1fr; /* Single column stats */
    gap: 20px;
  }

  /* Tables need horizontal scroll */
  .panel {
    padding: 15px; /* Reduce padding */
    overflow-x: auto;
  }

  table {
    min-width: 600px;
  }
}

/* User Menu & Dropdown */
.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 10px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  min-width: 200px;
  z-index: 1000;
  overflow: hidden;
}

.dropdown-item:hover {
  background-color: #f9f9f9;
}

/* Mobile User Menu Visibility */
/* User Trigger (Icon) */
.user-trigger {
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background 0.3s, transform 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-trigger:hover {
  background-color: rgba(0,0,0,0.05);
  transform: scale(1.05);
}