/* ==========================================================================
   Modern Checkbox & Radio Button Styles
   ========================================================================== */

:root {
    /* Color Palette */
    --color-primary: #0d6efd;
    --color-success: #198754;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #0dcaf0;
    --color-dark: #212529;
    --color-light: #f8f9fa;
    --color-gray: #6c757d;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
   
    min-height: 100vh;
    padding: 2rem 0;
}

.container {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--color-primary);
    display: inline-block;
}

/* ==========================================================================
   Custom Toggle Switches
   ========================================================================== */

.custom-toggle {
    position: relative;
    display: inline-block;
    width: 100%;
}

.custom-toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.custom-toggle-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    gap: var(--spacing-md);
}

.custom-toggle-slider {
    position: relative;
    width: 60px;
    height: 30px;
    background-color: #ccc;
    border-radius: var(--radius-full);
    transition: background-color var(--transition-normal);
}

.custom-toggle-slider::before {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    left: 3px;
    top: 3px;
    background-color: white;
    border-radius: 50%;
    transition: transform var(--transition-normal);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.custom-toggle-input:checked + .custom-toggle-label .custom-toggle-slider {
    background-color: var(--color-primary);
}

.custom-toggle-input:checked + .custom-toggle-label .custom-toggle-slider::before {
    transform: translateX(30px);
}

.custom-toggle-input:focus + .custom-toggle-label .custom-toggle-slider {
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
    outline: none;
}

.custom-toggle-input:disabled + .custom-toggle-label {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Toggle Color Variations */
.custom-toggle-success .custom-toggle-input:checked + .custom-toggle-label .custom-toggle-slider {
    background-color: var(--color-success);
}

.custom-toggle-danger .custom-toggle-input:checked + .custom-toggle-label .custom-toggle-slider {
    background-color: var(--color-danger);
}

.custom-toggle-warning .custom-toggle-input:checked + .custom-toggle-label .custom-toggle-slider {
    background-color: var(--color-warning);
}

.custom-toggle-info .custom-toggle-input:checked + .custom-toggle-label .custom-toggle-slider {
    background-color: var(--color-info);
}

/* ==========================================================================
   Custom Radio Buttons
   ========================================================================== */

.custom-radio {
    position: relative;
    display: inline-block;
    width: 100%;
}

.custom-radio-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.custom-radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}



.custom-radio-circle {
    position: relative;
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-gray);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.custom-radio-circle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: 50%;
    transition: transform var(--transition-normal);
}

.custom-radio-input:checked + .custom-radio-label .custom-radio-circle {
    border-color: var(--color-primary);
}

.custom-radio-input:checked + .custom-radio-label .custom-radio-circle::after {
    transform: translate(-50%, -50%) scale(1);
}

.custom-radio-input:focus + .custom-radio-label .custom-radio-circle {
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
}

/* ==========================================================================
   Animated Checkboxes
   ========================================================================== */

.checkbox-animated {
    position: relative;
    display: inline-block;
    width: 100%;
}

.checkbox-animated-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-animated-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.checkbox-animated-label:hover {
    background-color: var(--color-light);
}

.checkbox-animated-svg {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-sm);
    padding: 2px;
    transition: all var(--transition-normal);
}

.checkbox-animated-svg polyline {
    fill: none;
    stroke: white;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 24;
    stroke-dashoffset: 24;
    transition: stroke-dashoffset var(--transition-normal);
}

.checkbox-animated-input:checked + .checkbox-animated-label .checkbox-animated-svg {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-animated-input:checked + .checkbox-animated-label .checkbox-animated-svg polyline {
    stroke-dashoffset: 0;
}

.checkbox-animated-input:focus + .checkbox-animated-label .checkbox-animated-svg {
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
}

/* Checkbox Color Variations */
.checkbox-animated.checkbox-primary .checkbox-animated-input:checked + .checkbox-animated-label .checkbox-animated-svg {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-animated.checkbox-success .checkbox-animated-input:checked + .checkbox-animated-label .checkbox-animated-svg {
    background-color: var(--color-success);
    border-color: var(--color-success);
}

.checkbox-animated.checkbox-danger .checkbox-animated-input:checked + .checkbox-animated-label .checkbox-animated-svg {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
}

.checkbox-animated.checkbox-warning .checkbox-animated-input:checked + .checkbox-animated-label .checkbox-animated-svg {
    background-color: var(--color-warning);
    border-color: var(--color-warning);
}

.checkbox-animated.checkbox-info .checkbox-animated-input:checked + .checkbox-animated-label .checkbox-animated-svg {
    background-color: var(--color-info);
    border-color: var(--color-info);
}

/* ==========================================================================
   Strikethrough Checkboxes (Todo Style)
   ========================================================================== */

.checkbox-strikethrough {
    position: relative;
    display: inline-block;
    width: 100%;
}

.checkbox-strikethrough-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-strikethrough-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
}

.checkbox-box {
    position: relative;
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.checkbox-box::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    color: white;
    font-size: 16px;
    font-weight: bold;
    transition: transform var(--transition-normal);
}

.checkbox-text {
    position: relative;
    transition: color var(--transition-normal);
}

.checkbox-text::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-gray);
    transition: width var(--transition-normal);
}

.checkbox-strikethrough-input:checked + .checkbox-strikethrough-label .checkbox-box {
    background-color: var(--color-success);
    border-color: var(--color-success);
}

.checkbox-strikethrough-input:checked + .checkbox-strikethrough-label .checkbox-box::after {
    transform: translate(-50%, -50%) scale(1);
}

.checkbox-strikethrough-input:checked + .checkbox-strikethrough-label .checkbox-text {
    color: var(--color-gray);
}

.checkbox-strikethrough-input:checked + .checkbox-strikethrough-label .checkbox-text::after {
    width: 100%;
}

/* ==========================================================================
   Button-Style Toggles
   ========================================================================== */

.btn-toggle-group {
    position: relative;
    display: inline-block;
}

.btn-toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.btn-toggle-label {
    display: block;
    position: relative;
    width: 160px;
    height: 50px;
    background-color: var(--color-gray);
    border-radius: var(--radius-md);
    cursor: pointer;
    overflow: hidden;
    transition: background-color var(--transition-normal);
}

.btn-toggle-on,
.btn-toggle-off {
    position: absolute;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50%;
    height: 100%;
    color: white;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    transition: all var(--transition-normal);
    z-index: 2;
}

.btn-toggle-on {
    left: 0;
    opacity: 0;
    transform: translateX(-20px);
}

.btn-toggle-off {
    right: 0;
    opacity: 1;
    transform: translateX(0);
}

.btn-toggle-label::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 50%;
    height: 100%;
    background-color: var(--color-dark);
    border-radius: var(--radius-md);
    transition: transform var(--transition-normal);
    z-index: 1;
}

.btn-toggle-input:checked + .btn-toggle-label {
    background-color: var(--color-success);
}

.btn-toggle-input:checked + .btn-toggle-label::after {
    transform: translateX(100%);
}

.btn-toggle-input:checked + .btn-toggle-label .btn-toggle-on {
    opacity: 1;
    transform: translateX(0);
}

.btn-toggle-input:checked + .btn-toggle-label .btn-toggle-off {
    opacity: 0;
    transform: translateX(20px);
}

/* Button Toggle Color Variations */
.btn-toggle-primary .btn-toggle-input:checked + .btn-toggle-label {
    background-color: var(--color-primary);
}

.btn-toggle-success .btn-toggle-input:checked + .btn-toggle-label {
    background-color: var(--color-success);
}

.btn-toggle-danger .btn-toggle-input:checked + .btn-toggle-label {
    background-color: var(--color-danger);
}

.btn-toggle-warning .btn-toggle-input:checked + .btn-toggle-label {
    background-color: var(--color-warning);
}

.btn-toggle-info .btn-toggle-input:checked + .btn-toggle-label {
    background-color: var(--color-info);
}

/* ==========================================================================
   Bootstrap Form Enhancements
   ========================================================================== */

.form-check-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-switch .form-check-input {
    width: 3rem;
    height: 1.5rem;
    cursor: pointer;
}

.form-switch .form-check-input:focus {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e");
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
    }

    .btn-toggle-label {
        width: 140px;
        height: 45px;
    }

    .btn-toggle-on,
    .btn-toggle-off {
        font-size: 12px;
    }
}

/* ==========================================================================
   Accessibility Improvements
   ========================================================================== */

/* Focus visible for keyboard navigation */
.custom-toggle-input:focus-visible + .custom-toggle-label .custom-toggle-slider,
.custom-radio-input:focus-visible + .custom-radio-label .custom-radio-circle,
.checkbox-animated-input:focus-visible + .checkbox-animated-label .checkbox-animated-svg,
.btn-toggle-input:focus-visible + .btn-toggle-label {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .custom-toggle-slider,
    .custom-radio-circle,
    .checkbox-animated-svg,
    .checkbox-box {
        border-width: 3px;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
   
    .container {
        background: #2d2d44;
        color: #f1f1f1;
    }

    .section-title {
        color: #f1f1f1;
    }

    .text-muted {
        color: #a0a0a0 !important;
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes checkmark-draw {
    from {
        stroke-dashoffset: 24;
    }
    to {
        stroke-dashoffset: 0;
    }
}

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

/* Add hover animations */
.custom-toggle-label:hover .custom-toggle-slider,
.custom-radio-label:hover .custom-radio-circle,
.checkbox-animated-label:hover .checkbox-animated-svg {
    transform: scale(1.05);
}

.btn-toggle-label:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}