/* ==========================================================================
   MINDPULSE DESIGN SYSTEM — CORE STYLESHEET
   Vanilla CSS — Premium Mental Health SaaS Aesthetic
   Palette: Lavender / Indigo / Purple / Glassmorphism
   ========================================================================== */

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

/* --------------------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --primary-dark: #3730A3;
  --primary-light: #818CF8;
  --primary-50: #EEF2FF;
  --primary-100: #E0E7FF;
  --primary-200: #C7D2FE;

  --secondary: #7C3AED;
  --secondary-hover: #6D28D9;
  --secondary-light: #A78BFA;
  --secondary-50: #F5F3FF;
  --secondary-100: #EDE9FE;

  --accent: #06B6D4;
  --accent-hover: #0891B2;
  --accent-light: #67E8F9;
  --accent-50: #ECFEFF;

  /* Semantic Status Colors */
  --success: #10B981;
  --success-dark: #059669;
  --success-light: #D1FAE5;
  --success-text: #065F46;

  --warning: #F59E0B;
  --warning-dark: #D97706;
  --warning-light: #FEF3C7;
  --warning-text: #92400E;

  --danger: #EF4444;
  --danger-dark: #DC2626;
  --danger-light: #FEE2E2;
  --danger-text: #991B1B;

  --info: #3B82F6;
  --info-dark: #2563EB;
  --info-light: #DBEAFE;
  --info-text: #1E40AF;

  /* Neutral Spectrum */
  --text-main: #1E1B4B;       /* Deep Indigo Black */
  --text-body: #334155;       /* Slate 700 */
  --text-muted: #64748B;      /* Slate 500 */
  --text-light: #94A3B8;      /* Slate 400 */
  --border-color: rgba(226, 232, 240, 0.8);
  --border-light: rgba(241, 245, 249, 0.9);
  --surface-white: #FFFFFF;
  --bg-app: #F8FAFC;

  /* Gradients */
  --bg-gradient: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 50%, #EDE9FE 100%);
  --gradient-primary: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
  --gradient-primary-hover: linear-gradient(135deg, #4338CA 0%, #6D28D9 100%);
  --gradient-secondary: linear-gradient(135deg, #7C3AED 0%, #C026D3 100%);
  --gradient-accent: linear-gradient(135deg, #06B6D4 0%, #3B82F6 100%);
  --gradient-video: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --gradient-pionero: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  --gradient-sidebar: linear-gradient(180deg, #1E1B4B 0%, #2A2566 60%, #312E81 100%);
  --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0.6) 100%);

  /* Glassmorphism System */
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-bg-hover: rgba(255, 255, 255, 0.88);
  --glass-bg-active: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(255, 255, 255, 0.65);
  --glass-border-subtle: rgba(226, 232, 240, 0.6);
  --glass-blur: blur(16px);
  --glass-blur-lg: blur(24px);

  /* Elevation & Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 8px -1px rgba(79, 70, 229, 0.08), 0 1px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 20px -3px rgba(79, 70, 229, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 14px 34px -4px rgba(79, 70, 229, 0.14), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 24px 50px -12px rgba(79, 70, 229, 0.22);
  --shadow-glow: 0 0 24px rgba(79, 70, 229, 0.28);
  --shadow-glow-green: 0 0 24px rgba(16, 185, 129, 0.35);

  /* Border Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 260ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 450ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 400ms cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* Layout Constants */
  --sidebar-width: 230px;
  --topbar-height: 70px;
}

/* --------------------------------------------------------------------------
   2. Reset & Base Typography
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-body);
  background: var(--bg-gradient);
  background-attachment: fixed;
  line-height: 1.55;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Ambient Animated Blobs for Soft Depth */
.bg-blobs {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  will-change: transform;
}

.blob-1 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, #C7D2FE 0%, rgba(199, 210, 254, 0) 70%);
  top: -120px;
  right: -80px;
  animation: float 20s infinite ease-in-out alternate;
}

.blob-2 {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #DDD6FE 0%, rgba(221, 214, 254, 0) 70%);
  bottom: -150px;
  left: -100px;
  animation: float 25s infinite ease-in-out alternate-reverse;
}

.blob-3 {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, #CFFAFE 0%, rgba(207, 250, 254, 0) 70%);
  top: 40%;
  left: 30%;
  animation: float 18s infinite ease-in-out alternate;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

h1 { font-size: 2.25rem; font-weight: 800; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; }

p {
  margin-bottom: 0.75rem;
  color: var(--text-body);
}

p.lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
}

.text-muted { color: var(--text-muted) !important; }
.text-light { color: var(--text-light) !important; }
.text-main { color: var(--text-main) !important; }
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* --------------------------------------------------------------------------
   3. Buttons & Actions
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: inherit;
  font-size: 0.925rem;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  user-select: none;
  white-space: nowrap;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button (Indigo / Purple Gradient) */
.btn-primary {
  background: var(--gradient-primary);
  color: #FFFFFF !important;
  box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  background: var(--gradient-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 7px 20px 0 rgba(79, 70, 229, 0.45);
}

/* Secondary Button (Glass / White Surface) */
.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-main) !important;
  border-color: var(--glass-border-subtle);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: #FFFFFF;
  border-color: var(--primary-light);
  color: var(--primary) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Danger Button */
.btn-danger {
  background: #FFFFFF;
  color: var(--danger) !important;
  border-color: rgba(239, 68, 68, 0.3);
  box-shadow: var(--shadow-xs);
}

.btn-danger:hover {
  background: var(--danger);
  color: #FFFFFF !important;
  border-color: var(--danger);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px 0 rgba(239, 68, 68, 0.3);
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--text-muted) !important;
}

.btn-ghost:hover {
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary) !important;
  transform: translateY(-1px);
}

/* Success Button */
.btn-success {
  background: var(--gradient-video);
  color: #FFFFFF !important;
  box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.35);
}

.btn-success:hover {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  transform: translateY(-2px);
  box-shadow: 0 7px 20px 0 rgba(16, 185, 129, 0.45);
}

/* Button Sizing */
.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  padding: 0.6rem;
  border-radius: var(--radius-md);
  line-height: 1;
}

/* --------------------------------------------------------------------------
   4. Glassmorphism Card System
   -------------------------------------------------------------------------- */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card-solid {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(124, 58, 237, 0.28);
}

.card-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-body {
  padding: 1.75rem;
}

.card-footer {
  padding: 1rem 1.75rem;
  border-top: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* --------------------------------------------------------------------------
   5. Badges & Status Indicators
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  text-transform: capitalize;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Status variants */
.badge-active,
.badge-success {
  background: var(--success-light);
  color: var(--success-text);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-pending,
.badge-warning {
  background: var(--warning-light);
  color: var(--warning-text);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-cancelled,
.badge-danger {
  background: var(--danger-light);
  color: var(--danger-text);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.badge-info {
  background: var(--info-light);
  color: var(--info-text);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.badge-primary {
  background: var(--primary-50);
  color: var(--primary-dark);
  border: 1px solid var(--primary-200);
}

.badge-purple {
  background: var(--secondary-50);
  color: var(--secondary);
  border: 1px solid var(--secondary-100);
}

/* --------------------------------------------------------------------------
   6. Form Controls & Inputs
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  position: relative;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.form-error {
  font-size: 0.775rem;
  color: var(--danger);
  font-weight: 500;
  display: none;
  animation: fadeInUp 0.2s ease forwards;
}

.form-group.has-error .form-error {
  display: block;
}

.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.85);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-light);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  background: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 0 0 3.5px rgba(79, 70, 229, 0.18);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748B'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 1.1rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* Floating Label Inputs */
.form-floating {
  position: relative;
  margin-bottom: 1.25rem;
}

.form-floating .form-input {
  height: 54px;
  padding: 1.25rem 1rem 0.35rem 1rem;
}

.form-floating label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: all var(--transition-fast);
  transform-origin: 0 0;
}

.form-floating .form-input:focus ~ label,
.form-floating .form-input:not(:placeholder-shown) ~ label {
  transform: translateY(-0.65rem) scale(0.78);
  color: var(--primary);
  font-weight: 600;
}

/* Checkbox & Radio Modern Styling */
.form-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  user-select: none;
  font-size: 0.875rem;
  color: var(--text-body);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-xs);
  outline: none;
  background: #FFFFFF;
  cursor: pointer;
  display: grid;
  place-content: center;
  transition: all var(--transition-fast);
}

.form-check input[type="radio"] {
  border-radius: 50%;
}

.form-check input[type="checkbox"]:checked,
.form-check input[type="radio"]:checked {
  background: var(--primary);
  border-color: var(--primary);
}

.form-check input[type="checkbox"]:checked::before {
  content: "";
  width: 9px;
  height: 5px;
  border-left: 2px solid #FFFFFF;
  border-bottom: 2px solid #FFFFFF;
  transform: rotate(-45deg) translate(1px, -1px);
}

.form-check input[type="radio"]:checked::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #FFFFFF;
}

/* --------------------------------------------------------------------------
   7. Alert Components
   -------------------------------------------------------------------------- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  line-height: 1.45;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-left: 4px solid;
  box-shadow: var(--shadow-sm);
  animation: fadeInUp 0.25s ease-out forwards;
}

.alert-icon {
  font-size: 1.2rem;
  line-height: 1;
  flex-shrink: 0;
}

.alert-content {
  flex: 1;
}

.alert-close {
  background: transparent;
  border: none;
  color: inherit;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.alert-close:hover {
  opacity: 1;
}

.alert-success {
  background: rgba(209, 250, 229, 0.75);
  border-color: var(--success);
  color: var(--success-text);
}

.alert-error,
.alert-danger {
  background: rgba(254, 226, 226, 0.8);
  border-color: var(--danger);
  color: var(--danger-text);
}

.alert-warning {
  background: rgba(254, 243, 199, 0.8);
  border-color: var(--warning);
  color: var(--warning-text);
}

.alert-info {
  background: rgba(219, 234, 254, 0.8);
  border-color: var(--info);
  color: var(--info-text);
}

/* --------------------------------------------------------------------------
   8. Avatar Component
   -------------------------------------------------------------------------- */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 700;
  color: #FFFFFF;
  background: var(--gradient-primary);
  border: 2px solid #FFFFFF;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
  user-select: none;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-xs { width: 26px; height: 26px; font-size: 0.65rem; }
.avatar-sm { width: 34px; height: 34px; font-size: 0.775rem; }
.avatar-md { width: 42px; height: 42px; font-size: 0.9375rem; }
.avatar-lg { width: 56px; height: 56px; font-size: 1.25rem; }
.avatar-xl { width: 72px; height: 72px; font-size: 1.6rem; }

.avatar-group {
  display: flex;
  align-items: center;
}

.avatar-group .avatar {
  margin-left: -0.6rem;
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

/* --------------------------------------------------------------------------
   9. Layout System: Sidebar, Topbar, Main Content
   -------------------------------------------------------------------------- */
.layout-wrapper {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--gradient-sidebar);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  box-shadow: 4px 0 24px rgba(30, 27, 75, 0.15);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: 1.25rem 1.25rem 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.sidebar-nav {
  flex: 1;
  padding: 1.25rem 0.75rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sidebar-nav-heading {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #A5B4FC;
  padding: 0.5rem 0.75rem;
  margin-top: 0.5rem;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  color: #E0E7FF;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
}

.sidebar-nav-item svg {
  width: 18px;
  height: 18px;
  opacity: 0.85;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  flex-shrink: 0;
}

.sidebar-nav-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
}

.sidebar-nav-item:hover svg {
  opacity: 1;
  transform: translateX(2px);
}

.sidebar-nav-item.active {
  background: linear-gradient(90deg, rgba(79, 70, 229, 0.9) 0%, rgba(124, 58, 237, 0.7) 100%);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

.sidebar-nav-item.active::before {
  content: "";
  position: absolute;
  left: -0.75rem;
  top: 15%;
  height: 70%;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: #06B6D4;
}

.sidebar-footer {
  padding: 1rem 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: rgba(15, 12, 41, 0.35);
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
  transition: margin-left var(--transition-normal);
}

/* Topbar */
.topbar {
  height: var(--topbar-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  box-shadow: var(--shadow-xs);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.page-container {
  flex: 1;
  padding: 2rem;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   10. Stat Cards & Metrics
   -------------------------------------------------------------------------- */
.stat-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(124, 58, 237, 0.3);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  background: var(--primary-50);
  color: var(--primary);
  box-shadow: var(--shadow-xs);
}

.stat-icon.primary { background: var(--primary-50); color: var(--primary); }
.stat-icon.secondary { background: var(--secondary-50); color: var(--secondary); }
.stat-icon.success { background: var(--success-light); color: var(--success-text); }
.stat-icon.warning { background: var(--warning-light); color: var(--warning-text); }

.stat-content {
  flex: 1;
}

.stat-number {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 0.25rem;
}

.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   11. Modern Table Component
   -------------------------------------------------------------------------- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: left;
  font-size: 0.875rem;
}

.table th {
  background: rgba(248, 250, 252, 0.8);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.95rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.table td {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.55);
  color: var(--text-body);
  vertical-align: middle;
  transition: background var(--transition-fast);
}

.table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.95);
}

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

/* --------------------------------------------------------------------------
   12. Modal Overlay & Dialog
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: #FFFFFF;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.94) translateY(12px);
  transition: transform var(--transition-spring);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  border-radius: var(--radius-xs);
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--danger);
}

/* --------------------------------------------------------------------------
   13. Spinner & Loaders
   -------------------------------------------------------------------------- */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(79, 70, 229, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  display: inline-block;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-white {
  border-color: rgba(255, 255, 255, 0.3);
  border-top-color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   14. Toast Notification System
   -------------------------------------------------------------------------- */
#toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
  max-width: 420px;
  width: calc(100% - 4rem);
}

.toast {
  pointer-events: auto;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-left: 4px solid var(--primary);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-main);
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: all var(--transition-normal);
}

.toast-success { border-left-color: var(--success); }
.toast-error   { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--warning); }
.toast-info    { border-left-color: var(--info); }

.toast-message {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   15. Micro-Animations & Keyframes
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0% {
    transform: translate(0px, 0px) scale(1);
  }
  50% {
    transform: translate(30px, 25px) scale(1.05);
  }
  100% {
    transform: translate(-20px, -15px) scale(0.98);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.5);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(79, 70, 229, 0);
  }
}

@keyframes pulseGlowGreen {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  }
  50% {
    box-shadow: 0 0 0 14px rgba(16, 185, 129, 0);
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* --------------------------------------------------------------------------
   16. Utilities & Responsive Helper Classes
   -------------------------------------------------------------------------- */
.d-flex { display: flex !important; }
.d-none { display: none !important; }
.flex-column { flex-direction: column !important; }
.align-center { align-items: center !important; }
.justify-between { justify-content: space-between !important; }
.justify-center { justify-content: center !important; }
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 0.75rem !important; }
.gap-4 { gap: 1rem !important; }
.gap-6 { gap: 1.5rem !important; }

.w-100 { width: 100% !important; }
.m-0 { margin: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 0.75rem !important; }
.mt-4 { margin-top: 1rem !important; }
.mt-6 { margin-top: 1.5rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-4 { margin-bottom: 1rem !important; }
.mb-6 { margin-bottom: 1.5rem !important; }

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 72px;
  }
  .sidebar-logo span,
  .sidebar-nav-item span,
  .sidebar-nav-heading,
  .sidebar-footer .user-details {
    display: none;
  }
  .sidebar-header {
    justify-content: center;
    padding: 1rem 0.5rem;
  }
  .sidebar-nav-item {
    justify-content: center;
    padding: 0.75rem;
  }
}

@media (max-width: 768px) {
  :root {
    --sidebar-width: 0px;
  }
  .sidebar {
    transform: translateX(-100%);
    width: 250px;
  }
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
  .topbar {
    padding: 0 1rem;
  }
  .page-container {
    padding: 1.25rem;
  }
  .sidebar-logo span,
  .sidebar-nav-item span,
  .sidebar-nav-heading,
  .sidebar-footer .user-details {
    display: block;
  }
  .sidebar-nav-item {
    justify-content: flex-start;
  }
}