/* Material Design 3 Enhancements and Animations */

/* Ripple Effect for Interactive Elements */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }

    100% {
        transform: scale(4);
        opacity: 0;
    }
}

.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple-effect::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--md-sys-color-primary);
    transform: translate(-50%, -50%);
    transition: all 0.6s;
}

.ripple-effect:active::before {
    width: 200px;
    height: 200px;
    opacity: 0.3;
}

/* Enhanced Button States */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::after {
    left: 100%;
}

/* Smooth Focus Indicators */
*:focus {
    outline: none;
}

.btn:focus,
.nav-link:focus,
.card:focus {
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.25);
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border: none;
    box-shadow: var(--md-elevation-level3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--md-motion-duration-medium2) var(--md-motion-easing-emphasized);
    z-index: 999;
}

.fab:hover {
    box-shadow: var(--md-elevation-level4);
    transform: scale(1.05);
}

.fab:active {
    transform: scale(0.95);
}

/* Enhanced Card Hover Effects */
.card {
    position: relative;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--md-motion-duration-medium2) var(--md-motion-easing-standard);
    border-radius: inherit;
    pointer-events: none;
}

.card:hover::after {
    opacity: 1;
}

/* Loading States */
.skeleton {
    background: linear-gradient(90deg, var(--md-sys-color-surface-container-high) 25%, var(--md-sys-color-surface-container-highest) 37%, var(--md-sys-color-surface-container-high) 63%);
    background-size: 400% 100%;
    animation: skeleton-loading 1.4s ease-in-out infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 100% 50%;
    }

    100% {
        background-position: -100% 50%;
    }
}

/* Enhanced Navigation */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--md-sys-color-primary);
    transition: all var(--md-motion-duration-short4) var(--md-motion-easing-emphasized);
    transform: translateX(-50%);
}

.nav-link.active::after,
.nav-link:hover::after {
    width: 100%;
}

/* Enhanced Hero Section */
.hero-section {
    position: relative;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--md-sys-color-primary), transparent);
}

/* Smooth Transitions for All Interactive Elements */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background-color: var(--md-sys-color-surface-container);
}

::-webkit-scrollbar-thumb {
    background-color: var(--md-sys-color-primary-container);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--md-sys-color-primary);
}

/* Selection Styles */
::selection {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
}

/* Enhanced Form Elements */
input,
select,
textarea {
    position: relative;
}

input:focus,
select:focus,
textarea:focus {
    transform: translateY(-1px);
}

/* Micro-interactions */
.card,
.btn,
.nav-link {
    will-change: transform;
}

/* Enhanced Error States */
.error {
    border-color: var(--md-sys-color-error) !important;
    background-color: var(--md-sys-color-error-container) !important;
    color: var(--md-sys-color-on-error-container) !important;
}

/* Success States */
.success {
    border-color: var(--md-sys-color-primary) !important;
    background-color: var(--md-sys-color-primary-container) !important;
    color: var(--md-sys-color-on-primary-container) !important;
}

/* Accessibility Improvements */
@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 */
@media (prefers-contrast: high) {

    .card,
    .btn {
        border: 2px solid var(--md-sys-color-outline);
    }
}

/* Dark Mode Improvements */
@media (prefers-color-scheme: dark) {
    img {
        opacity: 0.9;
        transition: opacity var(--md-motion-duration-short4) var(--md-motion-easing-standard);
    }

    img:hover {
        opacity: 1;
    }
}