:root,
[data-bs-theme=light] {
  /* Primary Colors */
  --bs-primary: #0066FF; /* Main brand color - vibrant blue */
  --bs-secondary: #6B7280; /* Professional gray for secondary elements */
  --bs-success: #10B981; /* Fresh green for success states */
  --bs-info: #3B82F6; /* Lighter blue for info states */
  --bs-warning: #F59E0B; /* Warm orange for warnings */
  --bs-danger: #EF4444; /* Clear red for danger/error states */
  --bs-light: #F3F4F6; /* Light gray for backgrounds */
  --bs-dark: #111827; /* Deep gray, almost black for text */

  /* RGB Values */
  --bs-primary-rgb: 0, 102, 255;
  --bs-secondary-rgb: 107, 114, 128;
  --bs-success-rgb: 16, 185, 129;
  --bs-info-rgb: 59, 130, 246;
  --bs-warning-rgb: 245, 158, 11;
  --bs-danger-rgb: 239, 68, 68;
  --bs-light-rgb: 243, 244, 246;
  --bs-dark-rgb: 17, 24, 39;

  /* Subtle Background Colors */
  --bs-primary-bg-subtle: #E5F0FF;
  --bs-secondary-bg-subtle: #F1F2F4;
  --bs-success-bg-subtle: #ECFDF5;
  --bs-info-bg-subtle: #EFF6FF;
  --bs-warning-bg-subtle: #FEF3C7;
  --bs-danger-bg-subtle: #FEE2E2;
  --bs-light-bg-subtle: #F9FAFB;
  --bs-dark-bg-subtle: #D1D5DB;

  /* Text Emphasis Colors */
  --bs-primary-text-emphasis: #004EC4;
  --bs-secondary-text-emphasis: #4B5563;
  --bs-success-text-emphasis: #047857;
  --bs-info-text-emphasis: #1D4ED8;
  --bs-warning-text-emphasis: #B45309;
  --bs-danger-text-emphasis: #B91C1C;
  --bs-light-text-emphasis: #4B5563;
  --bs-dark-text-emphasis: #1F2937;

  /* Border Subtle Colors */
  --bs-primary-border-subtle: #BFDBFE;
  --bs-secondary-border-subtle: #E5E7EB;
  --bs-success-border-subtle: #A7F3D0;
  --bs-info-border-subtle: #BFDBFE;
  --bs-warning-border-subtle: #FCD34D;
  --bs-danger-border-subtle: #FCA5A5;
  --bs-light-border-subtle: #E5E7EB;
  --bs-dark-border-subtle: #9CA3AF;

  /* Link Colors */
  --bs-link-color: #0066FF;
  --bs-link-color-rgb: 0, 102, 255;
  --bs-link-hover-color: #004EC4;
  --bs-link-hover-color-rgb: 0, 78, 196;

  /* Focus Ring */
  --bs-focus-ring-color: rgba(0, 102, 255, 0.25);

  /* Form Validation Colors */
  --bs-form-valid-color: #10B981;
  --bs-form-valid-border-color: #10B981;
  --bs-form-invalid-color: #EF4444;
  --bs-form-invalid-border-color: #EF4444;

  /* Custom Gradient */
  --bs-gradient: linear-gradient(180deg, rgba(0, 102, 255, 0.15), rgba(59, 130, 246, 0.15));

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  --card-border-radius: 1rem;
  --button-border-radius: 0.5rem;
  
  --transition-base: all 0.2s ease-in-out;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Spacing Scale */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
}

/* Hero Background Styles */
.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
    /* Hintergrund hinter den Inhalt legen */
    z-index: -1 !important;
}

.modern-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        125deg,
        rgba(var(--bs-primary-rgb), 0.08) 0%,
        rgba(var(--bs-info-rgb), 0.05) 45%,
        rgba(var(--bs-light-rgb), 0.02) 100%
    );
}

.mesh-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(var(--bs-primary) 0.5px, transparent 0.5px),
        linear-gradient(to right, var(--bs-primary) 0.5px, transparent 0.5px);
    background-size: 30px 30px;
    opacity: 0.03;
}

.floating-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: -1 !important;
}

.shape {
    position: absolute;
    opacity: 0.1;
    animation: float 20s infinite;
}

.circle {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--bs-primary);
    top: -100px;
    right: 10%;
    filter: blur(50px);
}

.square {
    width: 200px;
    height: 200px;
    background: var(--bs-info);
    bottom: -50px;
    left: 5%;
    transform: rotate(45deg);
    filter: blur(40px);
}

.triangle {
    width: 0;
    height: 0;
    border-left: 150px solid transparent;
    border-right: 150px solid transparent;
    border-bottom: 260px solid var(--bs-primary);
    opacity: 0.05;
    position: absolute;
    top: 20%;
    right: 15%;
    filter: blur(40px);
}

.glow {
    position: absolute;
    background: radial-gradient(circle at center, 
        rgba(var(--bs-primary-rgb), 0.1) 0%,
        rgba(var(--bs-primary-rgb), 0) 70%);
    border-radius: 50%;
}

.glow-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -200px;
    animation: pulse 15s infinite;
}

.glow-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    animation: pulse 15s infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(2deg); }
    75% { transform: translateY(20px) rotate(-2deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.1; transform: scale(1); }
    50% { opacity: 0.15; transform: scale(1.05); }
}

/* Common Section Styles */
.hero-section, .login-section {
    position: relative;
    background: #f8fafc;
    z-index: 1;
}

/* Card with Glassmorphism */
.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 20px 40px -8px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.02);
    /* Stapelkontext minimieren */
    position: relative !important;
    z-index: 1;
    overflow: visible !important;
}

/* Form Styles */
.form-floating > label {
    padding-left: 1.5rem;
}

.form-floating > .form-control {
    padding-left: 1rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.form-floating > .form-control:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.1);
}

/* Password Toggle Button */
.password-toggle {
    z-index: 5;
}

/* Section Styles */
.login-section {
    background: #f8fafc;
    position: relative;
    z-index: 1;
    margin-top: -72px;
    padding-top: 72px;
}

/* Glass Card */
.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--card-border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 20px 40px -8px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.02);
    /* Stapelkontext minimieren */
    position: relative !important;
    z-index: 1;
    overflow: visible !important;
}

/* Password Requirements List */
.password-requirements {
    font-size: 0.875rem;
    color: var(--bs-secondary);
}

.password-requirements li {
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.password-requirements i {
    font-size: 1rem;
}

/* Form Check Styling */
.form-check-input:checked {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.form-check-input:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.1);
}

/* Card Links */
.card a:not(.btn) {
    text-decoration: none;
    transition: var(--transition-base);
}

.card a:not(.btn):hover {
    color: var(--bs-primary-text-emphasis);
}

/* Dropdown Menu */
.dropdown-menu.show {
    /* Dropdown stets sichtbar */
    z-index: 9999 !important;
    /* Sicherstellen, dass es nicht vom Container abgeschnitten wird */
    overflow: visible !important;
}

.dropdown-menu {
    /* Höchste Priorität */
    z-index: 9999 !important;
}

/* Karten-Grundstruktur */
.card-item {
    position: relative;
    z-index: 1;
}

/* Dropdown spezifisch */
.card-item .dropdown {
    position: static;
}

.card-item .dropdown-menu {
    position: absolute;
    z-index: 1500 !important; /* Höher als Bootstrap's Standard */
}

/* Ensure proper stacking for mobile */
@media (max-width: 768px) {
    .card-item .dropdown-menu.show {
        position: absolute !important;
        transform: none !important;
        top: auto !important;
        left: auto !important;
        margin-top: 0.5rem !important;
        z-index: 1500 !important;
    }
}