@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Premium Modern SaaS Palette */
  --bg-body: #f8f9fa;
  --bg-sidebar: #0f172a; 
  --bg-surface: #ffffff;
  
  --border-light: #e2e8f0;
  --border-sidebar: #1e293b;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-sidebar: #94a3b8;
  --text-sidebar-hover: #ffffff;
  
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #e0e7ff;
  
  --success: #10b981;
  --success-light: #d1fae5;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
  --shadow-floating: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --radius: 8px;
  --radius-lg: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
  background-color: var(--bg-body);
  color: var(--text-main);
  font-size: 0.8rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: var(--primary);
  transition: all 0.2s ease;
}

/* Layout */
.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-sidebar);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sidebar-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sidebar-header h2 {
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.sidebar-logo {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--primary), #818cf8);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: bold; font-size: 0.975rem;
}
.close-sidebar-btn {
  display: none;
  background: none; border: none; color: var(--text-sidebar);
  font-size: 1.375rem; cursor: pointer;
}

.sidebar-menu {
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  overflow-y: auto;
}
/* Scrollbar styling for sidebar */
.sidebar-menu::-webkit-scrollbar { width: 4px; }
.sidebar-menu::-webkit-scrollbar-thumb { background-color: var(--border-sidebar); border-radius: 4px; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  color: var(--text-sidebar);
  font-weight: 500;
}
.sidebar-link svg { opacity: 0.7; transition: all 0.2s; }
.sidebar-link:hover {
  background-color: rgba(255,255,255,0.05);
  color: var(--text-sidebar-hover);
}
.sidebar-link:hover svg { opacity: 1; transform: translateX(2px); }
.sidebar-link.active { background-color: var(--primary); color: #fff; }
.sidebar-link.active svg { opacity: 1; }

/* Main Content Area */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0; /* Important for flex child truncation */
}

/* Top Header */
.top-header {
  height: 70px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 90;
  flex-shrink: 0;
}
.mobile-menu-btn {
  display: none;
  background: none; border: none; font-size: 1.375rem;
  color: var(--text-main); cursor: pointer;
  padding: 8px; margin-left: -8px;
}
.header-title { font-size: 0.975rem; font-weight: 600; color: var(--text-main); }
.user-profile { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background-color: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-weight: 600;
}

/* Main Content Padding */
.main-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* Glass / Cards */
.glass {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Dashboard Stat Cards */
.stat-card { display: flex; flex-direction: column; gap: 8px; position: relative; overflow: hidden; }
.stat-card h3 { font-size: 0.725rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card h2 { font-size: 1.875rem; font-weight: 700; color: var(--text-main); line-height: 1.2; }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.725rem; font-weight: 600; color: var(--text-main); margin-bottom: 8px; }
.form-control {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--border-light); border-radius: var(--radius);
  font-size: 0.825rem; color: var(--text-main); background-color: var(--bg-body);
  transition: all 0.2s;
}
.form-control:focus { outline: none; border-color: var(--primary); background-color: var(--bg-surface); box-shadow: 0 0 0 4px var(--primary-light); }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row > div { flex: 1; min-width: 200px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: var(--radius);
  font-size: 0.75rem; font-weight: 600; border: none; cursor: pointer; transition: all 0.2s;
  text-align: center; white-space: nowrap;
}
.btn-primary { background-color: var(--primary); color: #fff !important; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background-color: var(--primary-hover); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-danger { background-color: var(--danger-light); color: var(--danger) !important; }
.btn-danger:hover { background-color: var(--danger); color: white !important; }
.btn-warning { background-color: var(--warning-light); color: #d97706 !important; }
.btn-warning:hover { background-color: var(--warning); color: white !important; }
.btn-success { background-color: var(--success-light); color: var(--success) !important; }
.btn-success:hover { background-color: var(--success); color: white !important; }
.btn-outline { background-color: transparent; border: 1px solid var(--border-light); color: var(--text-main) !important; }
.btn-outline:hover { background-color: var(--bg-body); }

/* Tables Container - For Mobile Scroll */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table { width: 100%; border-collapse: collapse; min-width: 600px; }
th {
  background-color: var(--bg-body); color: var(--text-muted);
  font-weight: 600; font-size: 0.625rem; text-transform: uppercase; letter-spacing: 0.05em;
  padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border-light);
}
td { padding: 16px; border-bottom: 1px solid var(--border-light); font-size: 0.775rem; }
tr:last-child td { border-bottom: none; }
tr:hover td { background-color: rgba(248, 250, 252, 0.8); }

/* Badges */
.badge { padding: 4px 10px; border-radius: 9999px; font-size: 0.625rem; font-weight: 600; display: inline-block; }
.badge-blue { background: var(--primary-light); color: var(--primary); }
.badge-green { background: var(--success-light); color: var(--success); }
.badge-red { background: var(--danger-light); color: var(--danger); }
.badge-yellow { background: var(--warning-light); color: #d97706; }

/* Modals (Popups) */
.modal-overlay {
  display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.7); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  z-index: 1000; align-items: center; justify-content: center; padding: 16px;
}
.modal-overlay.active { display: flex; animation: fadeIn 0.2s ease; }
.modal-content {
  background: var(--bg-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-floating);
  width: 100%; max-width: 600px; max-height: 90vh; overflow-y: auto; position: relative;
  transform: translateY(20px) scale(0.95); opacity: 0; animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.modal-header {
  padding: 16px 24px; border-bottom: 1px solid var(--border-light);
  display: flex; justify-content: space-between; align-items: center;
  position: sticky; top: 0; background: var(--bg-surface); z-index: 10;
}
.modal-header h3 { font-size: 1.025rem; font-weight: 700; color: var(--text-main); }
.btn-close { background: none; border: none; font-size: 1.375rem; color: var(--text-muted); cursor: pointer; line-height: 1; padding: 4px; }
.btn-close:hover { color: var(--danger); }
.modal-body { padding: 24px; }

/* Overlay for Mobile Sidebar */
.sidebar-overlay {
  display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5); z-index: 90;
}

/* -------------------------------------
   RESPONSIVE QUERIES 
   ------------------------------------- */

/* Tablet & Smaller Desktop */
@media (max-width: 1024px) {
  .main-content { padding: 16px; }
  .glass { padding: 16px; }
}

/* Mobile Devices */
@media (max-width: 768px) {
  .app-container { flex-direction: column; }
  
  /* Sidebar becomes Off-canvas on Mobile */
  .sidebar {
    position: fixed;
    top: 0; left: -280px; bottom: 0;
    width: 280px;
    z-index: 110;
    box-shadow: var(--shadow-floating);
  }
  .sidebar.active {
    transform: translateX(280px);
  }
  .sidebar-overlay.active { display: block; }
  
  .close-sidebar-btn { display: block; }
  .mobile-menu-btn { display: block; }
  .header-title { display: none; } 
  .user-name { display: none; }
  
  .top-header { padding: 0 16px; height: 60px; }
  
  /* Flex wrap for action bars */
  .glass > div:first-child { flex-direction: column; align-items: flex-start; gap: 12px; }
  .glass > div:first-child > div:last-child { width: 100%; display: flex; gap: 8px; flex-wrap: wrap; }
  .glass > div:first-child > div:last-child .btn { flex: 1; }
  
  /* Modal adjustments for Mobile */
  .modal-overlay { padding: 12px; }
  .modal-content { max-height: calc(100vh - 24px); border-radius: var(--radius); }
  .modal-body { padding: 16px; }
  .form-row > div { min-width: 100%; } /* Stack form inputs on mobile */
  
  /* Table adjustments - allow horizontal scroll but make it obvious */
  td, th { padding: 12px 10px; font-size: 0.725rem; }
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(20px) scale(0.95); opacity: 0; } to { transform: translateY(0) scale(1); opacity: 1; } }