@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

:root {
    --primary-color: #00aaff;
    --secondary-color: #ffaa00;
    --background-color: #0a0a0a;
    --card-background: #1a1a1a;
    --text-color: #e0e0e0;
    --shadow-color: rgba(0, 170, 255, 0.5);
    --font-family: 'Pretendard', sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    overflow-x: hidden;
    background-image: url('data:image/png;base64,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');
}

.header {
    text-align: center;
    margin-bottom: 20px;
}

.title {
    font-size: 3rem;
    color: var(--primary-color);
    font-weight: 700;
    text-shadow: 0 0 15px var(--shadow-color);
    margin: 0;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-color);
    font-weight: 300;
    margin-top: 5px;
}

#canvas-container {
    width: 100%;
    height: 50vh;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: grab;
}

#canvas-container:active {
    cursor: grabbing;
}

.controls {
    text-align: center;
    margin: 20px 0;
}

#show-all-btn {
    background-color: var(--primary-color);
    color: var(--background-color);
    border: none;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 0 15px var(--shadow-color);
}

#show-all-btn:hover {
    background-color: var(--secondary-color);
    box-shadow: 0 0 25px rgba(255, 170, 0, 0.7);
}

.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 0 20px;
    margin-top: 20px;
}

.card {
    background-color: var(--card-background);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 20px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px var(--shadow-color);
}

/* --- Action Visualizer --- */
.action-container {
    width: 100%;
    height: 150px;
    background: rgba(0, 170, 255, 0.05);
    border-radius: 8px;
    border: 1px dashed rgba(0, 170, 255, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.action-body {
    width: 40px;
    height: 60px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    position: relative;
}

.action-head {
    width: 25px;
    height: 25px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    position: absolute;
    top: -30px;
    left: 5px;
}

/* 부위별 애니메이션 정의 */
.anim-neck .action-head {
    animation: neck-tilt 2s infinite ease-in-out;
}
@keyframes neck-tilt {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(30deg) translateX(5px); }
}

.anim-shoulder .action-body {
    animation: shoulder-shrug 2s infinite ease-in-out;
}
@keyframes shoulder-shrug {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px) scaleX(1.1); }
}

.anim-back .action-body {
    animation: back-arch 2s infinite ease-in-out;
}
@keyframes back-arch {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.8) skewX(5deg); }
}

.anim-wrist .action-hand {
    width: 15px;
    height: 15px;
    border: 2px solid var(--primary-color);
    position: absolute;
    right: -20px;
    top: 10px;
    animation: wrist-flex 2s infinite ease-in-out;
}
@keyframes wrist-flex {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(-45deg); }
}

.anim-leg .action-body {
    animation: leg-stretch 2s infinite ease-in-out;
}
@keyframes leg-stretch {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px) rotate(-5deg); }
}

.card h3 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.4rem;
}

.card p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    opacity: 0.9;
}

.steps-text {
    font-size: 0.85rem;
    color: #aaa;
    background: rgba(255,255,255,0.05);
    padding: 10px;
    border-radius: 6px;
    border-left: 3px solid var(--primary-color);
}

@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
    }

    #canvas-container {
        height: 40vh;
    }
}