@keyframes bounce-slow {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-25%) rotate(5deg);
    }
}

.animate-bounce-slow {
    animation: bounce-slow 2s infinite;
}

@keyframes wiggle {
    0%, 100% {
        transform: rotate(-3deg);
    }
    50% {
        transform: rotate(3deg);
    }
}

.animate-wiggle {
    animation: wiggle 1s ease-in-out infinite;
}

@keyframes heart-beat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.animate-heart-beat {
    animation: heart-beat 1s ease-in-out infinite;
}

@keyframes gradient-xy {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.animate-gradient-xy {
    animation: gradient-xy 15s ease infinite;
    background-size: 400% 400%;
}

/* Achievement notification */
@keyframes slide-in {
    0% { transform: translateX(100%); }
    10% { transform: translateX(0); }
    90% { transform: translateX(0); }
    100% { transform: translateX(100%); }
}

.achievement {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #fdf2f8 0%, #ccfbf1 100%);
    border: 2px solid #5e48ec;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 9999;
    animation: slide-in 4s ease-in-out forwards;
    display: flex;
    align-items: center;
    gap: 12px;
}

.achievement-icon {
    font-size: 2rem;
    animation: pop 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Sparkle effect for cards */
@keyframes sparkle {
    0%, 100% { opacity: 0; transform: scale(0); }
    50% { opacity: 1; transform: scale(1); }
}

.sparkle {
    position: absolute;
    width: 12px;
    height: 12px;
    background: radial-gradient(circle, #fff 0%, transparent 70%);
    pointer-events: none;
}

/* Cute loading animation */
.loading-heart {
    display: inline-block;
    color: var(--color-primary-500);
    animation: heart-beat 1s ease-in-out infinite;
}

/* Improved card hover effect */
.t-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.t-card:hover {
    transform: translateY(-5px) rotate(1deg);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.t-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(var(--secondary-200-rgb), 0.5), rgba(var(--primary-200-rgb), 0.5));
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

/* Playful loading state */
.loading-emoji {
    display: inline-block;
    animation: loadingEmoji 1.5s infinite;
}

@keyframes loadingEmoji {
    0% { content: "🤔"; }
    25% { content: "💭"; }
    50% { content: "💡"; }
    75% { content: "✨"; }
    100% { content: "🤔"; }
}

/* Confetti animation for when setting a new mistake */
@keyframes confetti {
    0% { transform: translateY(0) rotateZ(0); opacity: 1; }
    100% { transform: translateY(1000%) rotateZ(720deg); opacity: 0; }
}

.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    background-color: var(--color-primary-500);
    animation: confetti 1s ease-out forwards;
}

.confetti:nth-child(2n) {
    background-color: var(--color-secondary-500);
    animation-delay: 0.2s;
}

.confetti:nth-child(3n) {
    background-color: var(--color-accent-500);
    animation-delay: 0.4s;
}

/* Tag hover effect */
.tag {
    transition: all 0.2s ease;
}

.tag:hover {
    transform: scale(1.1) rotate(-2deg);
}

/* Fun loading spinner */
.fun-spinner {
    width: 40px;
    height: 40px;
    position: relative;
}

.fun-spinner::before,
.fun-spinner::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--color-primary-500);
    opacity: 0.6;
    animation: pulse 2s ease-in-out infinite;
}

.fun-spinner::after {
    animation-delay: -1s;
}

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

/* Floating animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.1;
    }
    25% {
        transform: translateY(-15px) rotate(5deg);
        opacity: 0.15;
    }
    75% {
        transform: translateY(15px) rotate(-5deg);
        opacity: 0.05;
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* Floating emoji animation */
@keyframes float-away {
    0% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(-50px) scale(1.5);
        opacity: 0;
    }
}

.float-emoji {
    animation: float-away 1s ease-out forwards;
}

/* Glowing effect */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(236, 72, 153, 0.2),
        0 0 20px rgba(236, 72, 153, 0.1);
    }
    50% {
        box-shadow: 0 0 10px rgba(236, 72, 153, 0.4),
        0 0 30px rgba(236, 72, 153, 0.2);
    }
}

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

/* Cursor trail effect */
.trail-dot {
    position: fixed;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.2s ease-out, opacity 0.2s ease-out;
}

/* Matrix mode effects */
.matrix-mode {
    background-color: black !important;
    color: #20c20e !important;
}

.matrix-stream {
    position: fixed;
    top: -100px;
    font-family: monospace;
    font-size: 14px;
    line-height: 1;
    z-index: 1000;
    pointer-events: none;
    animation: matrix-fall linear infinite;
}

.matrix-char {
    color: #20c20e;
    text-shadow: 0 0 8px #20c20e;
    opacity: 0;
    animation: matrix-glow 2s linear infinite;
}

@keyframes matrix-fall {
    to { transform: translateY(200vh); }
}

@keyframes matrix-glow {
    0% { opacity: 0; }
    30% { opacity: 1; }
    100% { opacity: 0; }
}

/* Paint mode effects */
.paint-mode {
    cursor: crosshair;
}

.paint-stroke {
    position: fixed;
    font-size: 24px;
    pointer-events: none;
    transform-origin: center;
    z-index: 1000;
    animation: paint-fade 2s forwards;
}

.brush-panel {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 10px;
    border-radius: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1001;
    display: flex;
    gap: 10px;
}

.brush-panel button {
    font-size: 24px;
    background: none;
    border: 2px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    padding: 5px;
    transition: all 0.3s ease;
}

.brush-panel button:hover {
    border-color: #4ecdc4;
    transform: scale(1.2);
}

@keyframes paint-fade {
    0% { opacity: 1; transform: scale(1) rotate(0deg); }
    100% { opacity: 0; transform: scale(1.5) rotate(360deg); }
}

/* Bounce mode effects */
.bounce-mode {
    cursor: pointer;
}

.bounce-enabled {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.bounce-enabled:hover {
    transform: scale(1.02);
}

.element-bounce {
    animation: element-bounce 1s cubic-bezier(0.36, 0, 0.66, 1.5);
    transform-origin: center bottom;
}

.bounce-particle {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1000;
}

@keyframes element-bounce {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.1); }
}

/* Add a subtle bounce indicator */
.bounce-enabled::after {
    content: '↕️';
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.bounce-enabled:hover::after {
    opacity: 0.7;
}

/* Enhanced bubble styles */
.interactive-bubble {
    cursor: pointer;
    background: linear-gradient(
            135deg,
            rgba(236, 72, 153, 0.3),  /* Primary pink color */
            rgba(236, 72, 153, 0.1)
    );
    border: 1px solid rgba(236, 72, 153, 0.4);  /* Matching border */
    box-shadow: 0 0 10px rgba(236, 72, 153, 0.2);  /* Subtle glow */
    transition: transform 0.3s ease;
    z-index: 10;  /* Keep above background but below content */
}

.interactive-bubble:hover {
    transform: scale(1.1);
    background: linear-gradient(
            135deg,
            rgba(236, 72, 153, 0.4),
            rgba(236, 72, 153, 0.2)
    );
}

.interactive-bubble.popping {
    animation: pop 0.3s ease-out forwards;
}

.bubble-sparkle {
    position: fixed;
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    pointer-events: none;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.bubble-fact {
    position: fixed;
    background: white;
    padding: 10px 15px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transform: translate(-50%, -50%);
    z-index: 1000;
    animation: fact-appear 0.3s ease-out;
    max-width: 250px;
    text-align: center;
}

.bubble-fact.fade-out {
    animation: fact-disappear 0.5s ease-out forwards;
}

@keyframes pop {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

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

@keyframes fact-disappear {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0; }
}