@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Clean Blue & White Palette */
  --color-primary: #1E40AF;
  --color-primary-hover: #1D4ED8;
  --color-primary-light: #EFF6FF;
  --color-secondary: #0284C7;
  --color-secondary-hover: #0369A1;
  --color-accent: #3B82F6;
  --color-gold: #F59E0B;
  
  --bg-color: #F8FAFC;
  --bg-gradient: linear-gradient(180deg, #F0F7FF 0%, #F8FAFC 100%);
  --text-main: #0F172A;
  --text-muted: #334155;
  --card-bg: #FFFFFF;
  --card-border: #CBD5E1;
  --card-shadow: 0 10px 25px -5px rgba(30, 64, 175, 0.07), 0 8px 10px -6px rgba(30, 64, 175, 0.04);
  
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark {
  --color-primary: #3B82F6;
  --color-primary-hover: #60A5FA;
  --color-primary-light: rgba(59, 130, 246, 0.15);
  --color-secondary: #38BDF8;
  --color-secondary-hover: #0284C7;
  --color-accent: #60A5FA;
  --color-gold: #FBBF24;

  --bg-color: #0B132B;
  --bg-gradient: radial-gradient(circle at 10% 20%, #1C2541 0%, #0B132B 90%);
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --card-bg: #151E3F;
  --card-border: #253358;
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-color);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  font-weight: 700;
}

/* Header & Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--card-border);
  padding: 0.85rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 20px rgba(30, 64, 175, 0.05);
}

body.dark .navbar {
  background: rgba(21, 30, 63, 0.95);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 800;
  font-size: 1.35rem;
  font-family: var(--font-heading);
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #1E40AF, #3B82F6);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Language Switcher */
.lang-toggle-group {
  display: inline-flex;
  align-items: center;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: 50px;
  padding: 2px;
  transition: var(--transition);
}

.btn-lang {
  border: none;
  background: transparent;
  color: #1E40AF;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-lang.active {
  background: #1E40AF;
  color: #FFFFFF !important;
  box-shadow: 0 2px 6px rgba(30, 64, 175, 0.25);
}

body.dark .lang-toggle-group {
  background: #151E3F;
  border-color: #253358;
}

body.dark .btn-lang {
  color: #93C5FD;
}

body.dark .btn-lang.active {
  background: #3B82F6;
  color: #FFFFFF !important;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF !important;
  box-shadow: 0 4px 14px rgba(30, 64, 175, 0.25);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(30, 64, 175, 0.35);
}

.btn-secondary {
  background: var(--color-secondary);
  color: #FFFFFF !important;
}

.btn-secondary:hover {
  background: var(--color-secondary-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: #FFFFFF;
  border-color: var(--card-border);
  color: var(--color-primary) !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-hover) !important;
  background: var(--color-primary-light);
}

body.dark .btn-outline {
  background: transparent;
  border-color: var(--card-border);
  color: #F8FAFC !important;
}

body.dark .btn-outline:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--color-primary);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

.btn-icon {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Glass & Solid White Cards */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  padding: 1.75rem;
  transition: var(--transition);
}

.glass-card:hover {
  border-color: #93C5FD;
  box-shadow: 0 12px 30px -5px rgba(30, 64, 175, 0.12);
}

/* Layout & Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
  max-width: 860px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  color: #1E40AF;
  padding: 0.4rem 1.1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.06);
}

body.dark .hero-badge {
  background: rgba(59, 130, 246, 0.15);
  border-color: #3B82F6;
  color: #93C5FD;
}

.hero h1 {
  font-size: 3.25rem;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Grid & Features */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
  margin-top: 3rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: #EFF6FF;
  color: #1E40AF;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  border: 1px solid #DBEAFE;
}

body.dark .feature-icon {
  background: rgba(59, 130, 246, 0.15);
  color: #60A5FA;
  border-color: rgba(59, 130, 246, 0.3);
}

/* Pricing Section */
.pricing-card {
  position: relative;
  overflow: hidden;
  text-align: center;
  background: #FFFFFF;
}

body.dark .pricing-card {
  background: #151E3F;
}

.pricing-card.featured {
  border: 2px solid #2563EB;
  transform: scale(1.03);
  box-shadow: 0 15px 35px -5px rgba(37, 99, 235, 0.2);
}

.pricing-tag {
  position: absolute;
  top: 15px;
  right: -30px;
  background: #2563EB;
  color: #fff;
  padding: 4px 35px;
  transform: rotate(45deg);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.price {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--color-primary);
  margin: 1rem 0;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  border: 1px solid var(--card-border);
  background: #FFFFFF;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: var(--transition);
}

body.dark .form-control {
  background: #0B132B;
  border-color: #253358;
}

.form-control:focus {
  outline: none;
  border-color: #2563EB;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

/* Dashboard Sidebar & Content */
.dashboard-layout {
  display: flex;
  gap: 1.75rem;
  margin-top: 1.5rem;
}

.sidebar {
  width: 260px;
  flex-shrink: 0;
}

.sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.sidebar-item:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.sidebar-item.active {
  background: var(--color-primary);
  color: #FFFFFF !important;
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.main-content {
  flex-grow: 1;
  min-width: 0;
}

/* Stats Card */
.stat-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: #EFF6FF;
  color: #1E40AF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  border: 1px solid #DBEAFE;
}

body.dark .stat-icon {
  background: rgba(59, 130, 246, 0.15);
  color: #60A5FA;
  border-color: rgba(59, 130, 246, 0.3);
}

.stat-val {
  font-size: 1.85rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.1;
}

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

/* Table */
.table-responsive {
  overflow-x: auto;
  margin-top: 1rem;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table.data-table th {
  background: #F1F5F9;
  padding: 0.85rem 1rem;
  font-weight: 700;
  font-size: 0.85rem;
  color: #1E3A8A;
  border-bottom: 2px solid var(--card-border);
}

body.dark table.data-table th {
  background: #1C2541;
  color: #93C5FD;
}

table.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.9rem;
  color: var(--text-main);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-success { background: #DCFCE7; color: #15803D; border: 1px solid #BBF7D0; }
.badge-warning { background: #FEF3C7; color: #B45309; border: 1px solid #FDE68A; }
.badge-danger { background: #FEE2E2; color: #B91C1C; border: 1px solid #FECACA; }
.badge-pro { background: #DBEAFE; color: #1E40AF; border: 1px solid #BFDBFE; }

/* Progress Bar */
.progress-bar-container {
  width: 100%;
  height: 10px;
  background: #E2E8F0;
  border-radius: 10px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3B82F6, #1E40AF);
  width: 0%;
  transition: width 0.4s ease;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  background: #FFFFFF;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
}

body.dark .modal-card {
  background: #151E3F;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: #1E40AF;
  color: #fff;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(30, 64, 175, 0.25);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s ease forwards;
}

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

/* Dashboard Layout & Enhanced Sidebar */
.dashboard-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.75rem;
  align-items: start;
  width: 100%;
}

.sidebar {
  position: sticky;
  top: 5.5rem;
  z-index: 20;
}

.sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0;
  margin: 0;
}

.sidebar-group {
  display: flex;
  flex-direction: column;
}

.sidebar-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  background: transparent;
}

.sidebar-item:hover {
  background: #EFF6FF;
  color: #1D4ED8;
  border-color: #DBEAFE;
  transform: translateX(3px);
}

body.dark .sidebar-item:hover {
  background: rgba(59, 130, 246, 0.15);
  color: #60A5FA;
  border-color: rgba(59, 130, 246, 0.3);
}

.sidebar-item.active {
  background: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);
  color: #FFFFFF !important;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
  border-color: transparent;
}

.sidebar-arrow {
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

.sidebar-submenu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0.35rem 0 0.5rem 1rem;
  padding-left: 0.75rem;
  border-left: 2px solid #DBEAFE;
}

body.dark .sidebar-submenu {
  border-left-color: #253358;
}

.sidebar-subitem {
  display: block;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.sidebar-subitem:hover {
  background: #EFF6FF;
  color: #1D4ED8;
  transform: translateX(2px);
}

body.dark .sidebar-subitem:hover {
  background: rgba(59, 130, 246, 0.12);
  color: #93C5FD;
}

.sidebar-subitem.active {
  background: #DBEAFE;
  color: #1E40AF !important;
  font-weight: 700;
  border-left-color: #2563EB;
}

body.dark .sidebar-subitem.active {
  background: rgba(59, 130, 246, 0.25);
  color: #60A5FA !important;
  border-left-color: #60A5FA;
}

.main-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .dashboard-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
  .hero h1 { font-size: 2.25rem; }
  .navbar { padding: 0.75rem 1rem; }
}