/* ===================================
   Dream X - Polish & Micro-interactions
   Final touches for exceptional UX
   =================================== */

/* =============================
   SMOOTH SCROLLING ENHANCEMENTS
   ============================= */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Account for fixed header */
}

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    border: 2px solid var(--bg-light);
}

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

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-light);
}

/* =============================
   FOCUS IMPROVEMENTS
   ============================= */
/* Better focus indicators for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Remove default focus for mouse users, keep for keyboard */
:focus:not(:focus-visible) {
    outline: none;
}

/* =============================
   TEXT SELECTION
   ============================= */
::selection {
    background: rgba(255, 79, 163, 0.25);
    color: var(--text-dark);
}

::-moz-selection {
    background: rgba(255, 79, 163, 0.25);
    color: var(--text-dark);
}

/* Special selection for code blocks */
code::selection,
pre::selection {
    background: rgba(255, 79, 163, 0.3);
}

/* =============================
   LINK ENHANCEMENTS
   ============================= */
a {
    transition: all var(--transition-fast);
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
}

/* Animated underline on hover */
.animated-link {
    position: relative;
    text-decoration: none;
}

.animated-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-smooth);
}

.animated-link:hover::after {
    width: 100%;
}

/* =============================
   IMAGE ENHANCEMENTS
   ============================= */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Image loading animation */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Hover effect for clickable images */
img[role="button"],
img[onclick],
.clickable-img {
    cursor: pointer;
    transition: all var(--transition-smooth);
}

img[role="button"]:hover,
img[onclick]:hover,
.clickable-img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

/* =============================
   GRADIENT TEXT
   ============================= */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-animated {
    background: linear-gradient(-45deg, #6AE6FF, #A53CFF, var(--primary-color), #f093fb);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientFlow 8s ease infinite;
}

/* =============================
   GLASSMORPHISM EFFECTS
   ============================= */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* =============================
   HOVER LIFT EFFECTS
   ============================= */
.hover-lift {
    transition: all var(--transition-smooth);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hover-lift-sm:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hover-lift-lg:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* =============================
   GLOW EFFECTS
   ============================= */
.glow-on-hover {
    transition: all var(--transition-smooth);
}

.glow-on-hover:hover {
    box-shadow: 0 0 20px rgba(255, 79, 163, 0.4),
                0 0 40px rgba(255, 79, 163, 0.2);
}

/* Pulsing glow */
.glow-pulse {
    animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255, 79, 163, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(255, 79, 163, 0.6),
                    0 0 60px rgba(255, 79, 163, 0.4);
    }
}

/* =============================
   TYPING INDICATOR
   ============================= */
.typing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* =============================
   BADGE PULSE ANIMATION
   ============================= */
.badge-pulse {
    position: relative;
}

.badge-pulse::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: inherit;
    background: inherit;
    opacity: 0;
    animation: badgePulse 2s ease-out infinite;
}

@keyframes badgePulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.7;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

/* =============================
   SHAKE ANIMATION (for errors)
   ============================= */
.shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* =============================
   BOUNCE ANIMATION (for success)
   ============================= */
.bounce {
    animation: bounce 0.6s ease-in-out;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(-10px); }
    50% { transform: translateY(0); }
    75% { transform: translateY(-5px); }
}

/* =============================
   SLIDE ANIMATIONS
   ============================= */
.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

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

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

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

.slide-in-up {
    animation: slideInUp 0.5s ease-out;
}

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

.slide-in-down {
    animation: slideInDown 0.5s ease-out;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =============================
   FADE ANIMATIONS
   ============================= */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in-slow {
    animation: fadeIn 1s ease-out;
}

.fade-out {
    animation: fadeOut 0.5s ease-out;
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* =============================
   SCALE ANIMATIONS
   ============================= */
.scale-in {
    animation: scaleIn 0.3s ease-out;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.scale-out {
    animation: scaleOut 0.3s ease-out;
}

@keyframes scaleOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.9);
    }
}

/* =============================
   ROTATE ANIMATIONS
   ============================= */
.rotate-in {
    animation: rotateIn 0.5s ease-out;
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg);
    }
    to {
        opacity: 1;
        transform: rotate(0);
    }
}

/* =============================
   STAGGER ANIMATIONS
   ============================= */
.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }
.stagger-item:nth-child(7) { animation-delay: 0.35s; }
.stagger-item:nth-child(8) { animation-delay: 0.4s; }
.stagger-item:nth-child(9) { animation-delay: 0.45s; }
.stagger-item:nth-child(10) { animation-delay: 0.5s; }

/* =============================
   LOADING DOTS
   ============================= */
.loading-dots {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: loadingDots 1.4s infinite ease-in-out;
}

.loading-dots span:nth-child(1) {
    animation-delay: 0s;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes loadingDots {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    30% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* =============================
   RIPPLE EFFECT FOR BUTTONS
   ============================= */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::after {
    width: 300px;
    height: 300px;
}

/* =============================
   CARD FLIP EFFECT
   ============================= */
.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* =============================
   PARALLAX EFFECT
   ============================= */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* =============================
   GRADIENT BORDER ANIMATION
   ============================= */
.gradient-border-animated {
    position: relative;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
}

.gradient-border-animated::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, #FF4DFF, #A53CFF, #6AE6FF, #FF4DFF);
    background-size: 400% 400%;
    border-radius: inherit;
    z-index: -1;
    animation: gradientFlow 3s ease infinite;
}

/* =============================
   VISIBILITY UTILITIES
   ============================= */
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }
.opacity-0 { opacity: 0 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-100 { opacity: 1 !important; }

/* =============================
   SPACING UTILITIES
   ============================= */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: var(--spacing-xs) !important; }
.pt-2 { padding-top: var(--spacing-sm) !important; }
.pt-3 { padding-top: var(--spacing-md) !important; }
.pt-4 { padding-top: var(--spacing-lg) !important; }
.pt-5 { padding-top: var(--spacing-xl) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: var(--spacing-xs) !important; }
.pb-2 { padding-bottom: var(--spacing-sm) !important; }
.pb-3 { padding-bottom: var(--spacing-md) !important; }
.pb-4 { padding-bottom: var(--spacing-lg) !important; }
.pb-5 { padding-bottom: var(--spacing-xl) !important; }

/* =============================
   PERFORMANCE OPTIMIZATIONS
   ============================= */
/* Will-change for animated elements */
.will-animate {
    will-change: transform, opacity;
}

/* Hardware acceleration */
.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* =============================
   PREVENT TEXT SELECTION
   ============================= */
.no-select {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* =============================
   TRUNCATE TEXT
   ============================= */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* =============================
   ASPECT RATIO BOXES
   ============================= */
.aspect-square {
    aspect-ratio: 1 / 1;
}

.aspect-video {
    aspect-ratio: 16 / 9;
}

.aspect-portrait {
    aspect-ratio: 3 / 4;
}

/* =============================
   ACCESSIBILITY
   ============================= */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}