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

:root {
  /* Light Theme Variables */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  
  --card-bg: rgba(255, 255, 255, 0.7);
  --sidebar-bg: rgba(255, 255, 255, 0.8);
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #627185;
  
  --border-color: rgba(148, 163, 184, 0.12);
  --border-glow: rgba(59, 130, 246, 0.04);
  
  --accent-color: #2563eb; /* Royal Blue */
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  --success-color: #10b981; /* Emerald Green */
  --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  
  --glass-blur: blur(20px);
  
  --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.03), 0 8px 16px -6px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.04), 0 12px 20px -8px rgba(0, 0, 0, 0.04);
  --shadow-premium: 0 30px 60px -15px rgba(0, 0, 0, 0.05), inset 0 1px 0 0 rgba(255, 255, 255, 0.6);
  
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --sidebar-width: 260px;
  --navbar-height: 70px;
}

[data-theme="dark"] {
  /* Dark Theme Variables */
  --bg-primary: #030712;
  --bg-secondary: #090d16;
  --bg-tertiary: #0f172a;
  
  --card-bg: rgba(9, 13, 22, 0.45);
  --sidebar-bg: rgba(3, 7, 18, 0.7);
  
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --border-color: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(255, 255, 255, 0.02);
  
  --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 12px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  --shadow-premium: 0 40px 80px -20px rgba(0, 0, 0, 0.7), inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

/* Bootstrap High-Contrast Overrides */
.text-secondary {
  color: var(--text-secondary) !important;
}
.text-muted {
  color: var(--text-muted) !important;
}
.bg-body-tertiary {
  background-color: var(--bg-tertiary) !important;
}
.bg-body-secondary {
  background-color: var(--bg-secondary) !important;
}
.navbar-nav .nav-link {
  color: var(--text-secondary) !important;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link.active {
  color: var(--accent-color) !important;
}
.dropdown-menu {
  background: var(--bg-secondary) !important;
  border: 1px solid var(--border-color) !important;
}
.dropdown-item {
  color: var(--text-secondary) !important;
}
.dropdown-item:hover, .dropdown-item:focus {
  background-color: rgba(255, 255, 255, 0.05) !important;
  color: var(--text-primary) !important;
}

/* Base Styles */
body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  letter-spacing: -0.015em;
  transition: background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1), color 0.3s ease;
  overflow-x: hidden;
}

/* Background gradient mesh */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.03) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(16, 185, 129, 0.03) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(99, 102, 241, 0.01) 0px, transparent 50%);
  z-index: -10;
  pointer-events: none;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Premium Card Design */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  border-radius: 18px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 100%);
  pointer-events: none;
}

[data-theme="dark"] .glass-card {
  box-shadow: var(--shadow-premium);
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg);
}

/* Sticky Glass Navbar */
.glass-navbar {
  background: var(--sidebar-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

/* Custom modern buttons */
.btn {
  border-radius: 12px;
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  letter-spacing: -0.01em;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary {
  background: var(--accent-gradient);
  border: none;
  color: #ffffff;
  box-shadow: 0 4px 18px 0 rgba(37, 99, 235, 0.18);
}

.btn-primary:hover, .btn-primary:focus {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 22px 0 rgba(37, 99, 235, 0.3);
  color: #ffffff;
}

.btn-success {
  background: var(--success-gradient);
  border: none;
  color: #ffffff;
  box-shadow: 0 4px 18px 0 rgba(16, 185, 129, 0.18);
}

.btn-success:hover, .btn-success:focus {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 22px 0 rgba(16, 185, 129, 0.3);
  color: #ffffff;
}

.btn-outline-primary {
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
}

.btn-outline-primary:hover {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(37, 99, 235, 0.2);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* Modern inputs */
.form-control, .form-select {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 12px;
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.form-control:focus, .form-select:focus {
  background-color: var(--bg-secondary);
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
  color: var(--text-primary);
}

.form-label {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.45rem;
}

/* Dashboard Sidebar Container */
.dashboard-container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  background: var(--sidebar-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 1010;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-logo {
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  padding: 0 1.75rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-menu {
  flex: 1;
  padding: 1.5rem 0.75rem;
  overflow-y: auto;
}

.sidebar-link {
  display: flex;
  align-items: center;
  padding: 0.8rem 1.1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 12px;
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-link i, .sidebar-link svg {
  margin-right: 0.85rem;
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.sidebar-link:hover i, .sidebar-link:hover svg {
  color: var(--success-color);
}

.sidebar-link.active {
  background: rgba(16, 185, 129, 0.08); /* emerald theme active background */
  color: var(--success-color);
  font-weight: 600;
}

.sidebar-link.active i, .sidebar-link.active svg {
  color: var(--success-color);
}

.sidebar-footer {
  padding: 1.25rem 1rem;
  border-top: 1px solid var(--border-color);
}

/* Content Area */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.top-navbar {
  height: var(--navbar-height);
  background: var(--sidebar-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.content-body {
  flex: 1;
  padding: 2.5rem 2rem;
}

/* Stats Widgets Cards */
.stats-card {
  padding: 1.75rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.stats-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--success-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stats-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.08);
}

.stats-card:hover::before {
  opacity: 1;
}

/* Glow status dots */
.glow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  position: relative;
}

.glow-dot::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  animation: glow-pulse 1.8s infinite;
}

.glow-success { background-color: #10b981; }
.glow-success::after { border: 2px solid rgba(16, 185, 129, 0.3); }
.glow-warning { background-color: #f59e0b; }
.glow-warning::after { border: 2px solid rgba(245, 158, 11, 0.3); }
.glow-danger { background-color: #ef4444; }
.glow-danger::after { border: 2px solid rgba(239, 68, 68, 0.3); }

@keyframes glow-pulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2.4); opacity: 0; }
}

/* Modern tables design */
.table {
  color: var(--text-primary);
  border-color: var(--border-color);
  vertical-align: middle;
}

.table th {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.725rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border-color);
  padding: 1.1rem 0.75rem;
  background: transparent;
}

.table td {
  padding: 1.1rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  background: transparent;
  font-size: 0.875rem;
}

.table-hover tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02) !important;
  color: var(--text-primary);
}

/* Accordion overrides */
.accordion-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px !important;
  margin-bottom: 0.85rem;
  overflow: hidden;
}

.accordion-button {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: none !important;
  border: none;
  padding: 1.25rem 1.5rem;
  font-size: 0.95rem;
}

.accordion-button:not(.collapsed) {
  background-color: rgba(255, 255, 255, 0.01);
  color: var(--success-color);
}

.accordion-body {
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  padding: 1.25rem 1.5rem;
  line-height: 1.6;
}

/* Custom dynamic toast alerts */
.toast-container-custom {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.custom-toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 5px solid var(--accent-color);
  padding: 1.1rem 1.5rem;
  border-radius: 14px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  min-width: 320px;
  max-width: 480px;
  animation: slideInRight 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.custom-toast.toast-success { border-left-color: #10b981; }
.custom-toast.toast-warning { border-left-color: #f59e0b; }
.custom-toast.toast-danger { border-left-color: #ef4444; }

@keyframes slideInRight {
  from { transform: translateX(110%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Category cards list */
.category-card {
  text-align: center;
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  transition: all 0.3s ease;
  text-decoration: none;
  display: block;
}

.category-card i {
  font-size: 2.25rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
  display: block;
  transition: transform 0.3s ease;
}

.category-card:hover {
  transform: translateY(-5px);
  border-color: rgba(37, 99, 235, 0.3);
  background-color: rgba(37, 99, 235, 0.02);
}

.category-card:hover i {
  transform: scale(1.1);
}

/* Calendar layout */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
}

.calendar-day {
  aspect-ratio: 1.1;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  border-radius: 12px;
  padding: 8px;
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calendar-day.other-month {
  opacity: 0.3;
}

.calendar-day .day-num {
  font-weight: 700;
  color: var(--text-secondary);
}

.calendar-event {
  font-size: 0.65rem;
  padding: 2px 4px;
  border-radius: 4px;
  text-align: center;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.event-blue { background-color: rgba(37, 99, 235, 0.1); color: #3b82f6; }
.event-green { background-color: rgba(16, 185, 129, 0.1); color: #10b981; }

/* Responsive Mobile Sidebar trigger */
.menu-trigger {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  padding: 0.5rem;
  margin-right: 1rem;
}

/* Back to top button styling */
.back-to-top {
  position: fixed;
  bottom: 24px;
  left: 24px; /* Placed at the bottom left to not conflict with toast container on bottom-right */
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

/* API Code block panels */
.api-doc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 991.98px) {
  .api-doc-grid {
    grid-template-columns: 1fr;
  }
}

.api-code-block {
  background-color: #02040a;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  padding: 1.25rem;
  color: #e2e8f0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #94a3b8;
  border-radius: 8px;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #f8fafc;
}

.theme-toggle svg {
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.theme-toggle:hover svg {
  transform: rotate(20deg);
}

@keyframes view-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: view-fade-in 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-float {
  animation: float-anim 5s ease-in-out infinite;
}

@keyframes float-anim {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}