/* Visual Animations for Educational Concepts */

/* General Visual Concept Styles */
.visual-concept {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 20px;
    margin: 15px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.8s ease-out;
}

.visual-concept::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    animation: shimmer 3s infinite;
    pointer-events: none;
}

/* Sky/Atmosphere Animation */
.sky-layers {
    height: 200px;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
}

.atmosphere-layer {
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.light-rays {
    position: absolute;
    width: 100%;
    height: 100%;
}

.light-ray {
    position: absolute;
    width: 3px;
    height: 50px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 0, 0.6), transparent);
    animation: lightScatter 2s infinite ease-in-out;
}

.light-ray:nth-child(1) {
    left: 20%;
    animation-delay: 0s;
}

.light-ray:nth-child(2) {
    left: 50%;
    animation-delay: 0.5s;
}

.light-ray:nth-child(3) {
    left: 80%;
    animation-delay: 1s;
}

.scattered-light {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 100, 255, 0.8);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    animation: bounce 2s infinite;
}

/* Bird Flight Animation */
.bird-flight {
    height: 180px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bird {
    position: relative;
    animation: bobbing 2s infinite ease-in-out;
}

.wing {
    position: absolute;
    font-size: 24px;
    animation: wingFlap 1s infinite;
}

.wing-left {
    left: -30px;
    transform-origin: right center;
}

.wing-right {
    right: -30px;
    transform-origin: left center;
}

.bird-body {
    font-size: 32px;
}

.air-currents {
    position: absolute;
    width: 100%;
    height: 100%;
}

.air-flow {
    position: absolute;
    font-size: 14px;
    padding: 5px 10px;
    border-radius: 15px;
    animation: floatUpDown 3s infinite ease-in-out;
}

.up-flow {
    top: 20%;
    left: 20%;
    background: rgba(0, 255, 0, 0.2);
    animation-delay: 0s;
}

.down-flow {
    bottom: 20%;
    right: 20%;
    background: rgba(255, 0, 0, 0.2);
    animation-delay: 1.5s;
}

/* Water Molecule Animation */
.water-molecules {
    height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
}

.molecule {
    display: flex;
    align-items: center;
    gap: 5px;
    position: relative;
    animation: moleculeVibrate 1.5s infinite;
}

.atom {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 12px;
}

.hydrogen {
    background: #ff6b6b;
    color: white;
}

.oxygen {
    background: #4ecdc4;
    color: white;
}

.bond {
    width: 20px;
    height: 2px;
    background: #333;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.water-droplet {
    font-size: 48px;
    animation: dropletBounce 2s infinite;
}

.wetness-effect {
    font-size: 12px;
    color: #666;
    max-width: 200px;
}

/* Seasons/Earth Animation */
.solar-system {
    height: 200px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sun {
    font-size: 48px;
    position: absolute;
    left: 20px;
    animation: sunGlow 3s infinite ease-in-out;
}

.earth-orbit {
    width: 200px;
    height: 200px;
    border: 2px dashed #ccc;
    border-radius: 50%;
    position: relative;
    animation: orbit 8s infinite linear;
}

.earth {
    font-size: 32px;
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
}

.earth.tilted {
    transform: translateX(-50%) rotate(23.5deg);
}

.season-labels {
    position: absolute;
    width: 100%;
    height: 100%;
}

.season {
    position: absolute;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.8);
}

.season.summer {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.season.winter {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

/* Computer/Data Flow Animation */
.computer-brain {
    height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
}

.cpu {
    font-size: 24px;
    padding: 10px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border-radius: 10px;
    animation: cpuPulse 2s infinite;
}

.data-flow {
    display: flex;
    gap: 20px;
}

.binary-code {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: #00ff00;
    background: #000;
    padding: 5px 10px;
    border-radius: 5px;
    animation: binaryScroll 1s infinite;
}

.binary-code:nth-child(2) {
    animation-delay: 0.5s;
}

.memory {
    font-size: 18px;
    padding: 8px 12px;
    background: #f0f0f0;
    border-radius: 8px;
}

/* Dream Animation */
.sleeping-brain {
    height: 180px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.brain {
    font-size: 48px;
    animation: brainPulse 3s infinite ease-in-out;
}

.dream-bubbles {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
}

.dream-bubble {
    position: absolute;
    font-size: 24px;
    animation: dreamFloat 4s infinite ease-in-out;
}

.dream-bubble:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
}

.dream-bubble:nth-child(2) {
    left: 50%;
    animation-delay: 1.3s;
}

.dream-bubble:nth-child(3) {
    right: 10%;
    animation-delay: 2.6s;
}

.sleep-waves {
    position: absolute;
    bottom: 20px;
    font-size: 18px;
    color: #667eea;
    animation: waveMove 2s infinite;
}

/* Rainbow/Light Spectrum Animation */
.light-spectrum {
    height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
}

.white-light {
    font-size: 24px;
    animation: lightPulse 2s infinite;
}

.prism {
    font-size: 32px;
    animation: prismRotate 4s infinite linear;
}

.rainbow-colors {
    display: flex;
    gap: 10px;
    animation: colorSpread 3s infinite ease-in-out;
}

.rainbow-colors span {
    font-weight: bold;
    padding: 4px 8px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.8);
    animation: colorPulse 1s infinite ease-in-out;
}

/* General Thinking Animation */
.thinking-process {
    height: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.brain-icon {
    font-size: 48px;
    animation: thinkingPulse 2s infinite ease-in-out;
}

.thought-bubbles {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.bubble {
    font-size: 24px;
    animation: bubbleFloat 3s infinite ease-in-out;
}

.bubble:nth-child(1) { animation-delay: 0s; }
.bubble:nth-child(2) { animation-delay: 1s; }
.bubble:nth-child(3) { animation-delay: 2s; }

/* Keyframe Animations */
@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

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

@keyframes lightScatter {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(-10px); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes bobbing {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes wingFlap {
    0%, 100% { transform: rotateZ(0deg); }
    50% { transform: rotateZ(-30deg); }
}

@keyframes floatUpDown {
    0%, 100% { transform: translateY(0); opacity: 0.7; }
    50% { transform: translateY(-15px); opacity: 1; }
}

@keyframes moleculeVibrate {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    75% { transform: translateX(2px); }
}

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

@keyframes sunGlow {
    0%, 100% { transform: scale(1); filter: brightness(1); }
    50% { transform: scale(1.1); filter: brightness(1.2); }
}

@keyframes orbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

@keyframes binaryScroll {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

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

@keyframes dreamFloat {
    0% { opacity: 0; transform: translateY(30px); }
    25% { opacity: 1; transform: translateY(0); }
    75% { opacity: 1; transform: translateY(-20px); }
    100% { opacity: 0; transform: translateY(-40px); }
}

@keyframes waveMove {
    0% { transform: translateX(-10px); }
    50% { transform: translateX(10px); }
    100% { transform: translateX(-10px); }
}

@keyframes lightPulse {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3); }
}

@keyframes prismRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes colorSpread {
    0% { transform: scale(0.8); opacity: 0.8; }
    50% { transform: scale(1); opacity: 1; }
    100% { transform: scale(0.8); opacity: 0.8; }
}

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

@keyframes thinkingPulse {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.05) rotate(-2deg); }
    75% { transform: scale(1.05) rotate(2deg); }
}

@keyframes bubbleFloat {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.7; }
    50% { transform: translateY(-15px) scale(1.1); opacity: 1; }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .visual-concept {
        padding: 15px;
        margin: 10px 0;
    }
    
    .sky-layers,
    .bird-flight,
    .solar-system {
        height: 150px;
    }
    
    .bird-body, .earth, .brain {
        font-size: 24px;
    }
    
    .sun {
        font-size: 36px;
    }
}