/* ============================================
   NIXEL - Modern Design Enhancements
   ============================================ */

/* Animated Logo */
.animated-logo {
    position: relative;
    display: inline-block;
    cursor: pointer;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500), var(--primary-300), var(--primary-500));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
    transition: all var(--transition-base);
}

.animated-logo::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500), var(--primary-300));
    background-size: 300% 300%;
    border-radius: var(--radius-lg);
    opacity: 0;
    z-index: -1;
    filter: blur(15px);
    animation: gradientShift 4s ease infinite;
    transition: opacity var(--transition-base);
}

.animated-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 20px rgba(var(--primary-500), 0.5));
}

.animated-logo:hover::before {
    opacity: 0.6;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

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

/* Pulsing glow effect */
.animated-logo::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0;
    animation: pulse-glow 2s ease-in-out infinite;
    z-index: -2;
}

@keyframes pulse-glow {

    0%,
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

/* Enhanced Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--secondary-500) 100%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-600) 100%);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Enhanced Card Styles */
.card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-6);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500), var(--primary-300));
    opacity: 0;
    transition: opacity var(--transition-base);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

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

.card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
    border-color: var(--primary-200);
}

/* Post Card Enhancements */
/* Post Card Enhancements - Liquid Glass */
.post-card {
    /* Glass Base */
    background: color-mix(in srgb, var(--bg-elevated) 70%, transparent);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);

    /* Liquid Borders (High Gloss) */
    border: 1px solid transparent;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    border-left: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow:
        0 8px 32px 0 rgba(0, 0, 0, 0.15),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);

    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

/* Liquid Sheen Overlay */
.post-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-2xl);
    padding: 2px;
    /* Border width */
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05) 50%, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.5;
}

/* Ambient Glow on Hover */
.post-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(var(--primary-500), 0.15), transparent 70%);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.post-card:hover::after {
    opacity: 1;
    transform: scale(1);
    background: radial-gradient(circle at center, color-mix(in srgb, var(--primary-500) 20%, transparent), transparent 60%);
}

.post-card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow:
        0 20px 40px -5px rgba(0, 0, 0, 0.2),
        0 0 0 1px color-mix(in srgb, var(--primary-500) 30%, transparent) inset;
    background: color-mix(in srgb, var(--bg-elevated) 80%, transparent);
}

/* Enhanced Avatar with Glow */
.avatar {
    position: relative;
}

.avatar::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: var(--radius-full);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-base);
}

.avatar:hover::after {
    opacity: 0.5;
}

/* Modern Input Focus */
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1),
        0 1px 3px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

/* Enhanced Search Bar */
.search-bar {
    position: relative;
}

.search-input {
    background: var(--bg-secondary);
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.search-input:focus {
    background: var(--bg-primary);
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1),
        0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced Badge */
/* Enhanced Badge */
.badge {
    /* Default fallback if variable is missing (e.g. static badges) */
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;

    /* Dynamic coloring support */
    /* If --badge-color is set, these override the defaults above */
    background-color: color-mix(in srgb, var(--badge-color, var(--primary-500)) 15%, transparent);
    border: 1px solid color-mix(in srgb, var(--badge-color, var(--primary-500)) 40%, transparent);
    color: var(--badge-color, white);

    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    /* Softer shadow */
    animation: pulse 3s ease-in-out infinite;
    /* Slower pulse */
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    transition: all 0.3s ease;
}

/* Light Mode: Darken text for contrast */
[data-theme="light"] .badge {
    color: color-mix(in srgb, var(--badge-color, var(--primary-600)), black 15%);
    border-color: color-mix(in srgb, var(--badge-color, var(--primary-600)), black 10%);
}

/* Dark Mode: Lighten/Brighten text for contrast */
[data-theme="dark"] .badge {
    /* Add white to make it pop on dark bg */
    color: color-mix(in srgb, var(--badge-color, var(--primary-400)), white 15%);
    border-color: color-mix(in srgb, var(--badge-color, var(--primary-400)), white 10%);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--badge-color, var(--primary-500)) 30%, transparent);
}

.badge-glow {
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.65rem !important;
    padding: 2px 8px !important;
}

.badge-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: badgeShimmer 2s infinite linear;
}

@keyframes badgeShimmer {
    0% {
        left: -100%;
    }

    50%,
    100% {
        left: 100%;
    }
}

/* Floating Animation */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    background: linear-gradient(90deg,
            var(--bg-secondary) 0%,
            var(--bg-tertiary) 50%,
            var(--bg-secondary) 100%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Glass Morphism */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .glass {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Enhanced Modal */
.modal {
    animation: modalSlideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Notification Unread Indicator */
.notification-unread {
    position: relative;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    border-left: 4px solid var(--primary-500);
}

/* Enhanced Like Button */
.like-btn.liked {
    animation: heartBeat 0.3s ease-in-out;
}

@keyframes heartBeat {

    0%,
    100% {
        transform: scale(1);
    }

    25% {
        transform: scale(1.2);
    }

    50% {
        transform: scale(0.95);
    }

    75% {
        transform: scale(1.1);
    }
}

/* Smooth Page Transitions */
.page-transition {
    animation: pageSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pageSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Enhanced Dropdown */
.dropdown-menu {
    animation: dropdownSlide 0.2s ease-out;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

@keyframes dropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Community Card Hover Effect */
.community-card {
    position: relative;
    overflow: hidden;
}

.community-card::before {
    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;
}

.community-card:hover::before {
    left: 100%;
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
}

/* Loading Spinner Enhancement */
.spinner {
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--primary-500);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

/* Tooltip Enhancement */
.tooltip {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: tooltipFade 0.2s ease-out;
}

@keyframes tooltipFade {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Success State Animation */
.success-checkmark {
    animation: successPop 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes successPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Skeleton Loading */
.skeleton-box {
    background: linear-gradient(90deg,
            var(--bg-secondary) 25%,
            var(--bg-tertiary) 50%,
            var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-lg);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Enhanced Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-4);
    animation: fadeIn 0.5s ease-out;
}

.empty-state-icon {
    font-size: 5rem;
    opacity: 0.2;
    margin-bottom: var(--spacing-6);
    filter: grayscale(1);
    animation: float 3s ease-in-out infinite;
}

/* Profile Header Enhancement */
.profile-header {
    position: relative;
    overflow: hidden;
}

.profile-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    z-index: 0;
}

.profile-header>* {
    position: relative;
    z-index: 1;
}

/* Chat Message Enhancement */
.chat-message.own .chat-message-content {
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .card:hover {
        transform: translateY(-2px);
    }

    .post-card:hover {
        transform: translateY(-1px);
    }
}