* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: #333;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.container {
    width: 100%;
    max-width: 900px;
    animation: fadeIn 0.6s ease-out;
    position: relative;
    z-index: 1;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

.title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.8s ease-out;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #ffffff 0%, #f0f0ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
    font-weight: 300;
    animation: slideDown 0.8s ease-out 0.2s both;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.result-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    padding: 50px 40px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25),
                0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.result-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #f5576c);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.result-container:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.6) inset;
}

.dishes-wrapper {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: center;
    animation: fadeInUp 0.6s ease-out;
}

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

.dish-card {
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    border-radius: 20px;
    padding: 35px 30px;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.15),
                0 0 0 1px rgba(102, 126, 234, 0.1) inset;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.dish-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.dish-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 50px rgba(102, 126, 234, 0.25),
                0 0 0 1px rgba(102, 126, 234, 0.2) inset;
}

.dish-card:hover::before {
    transform: scaleX(1);
}

.dish-card:nth-child(3) {
    background: linear-gradient(135deg, #fff5f8 0%, #ffffff 100%);
    box-shadow: 0 10px 40px rgba(245, 87, 108, 0.15),
                0 0 0 1px rgba(245, 87, 108, 0.1) inset;
}

.dish-card:nth-child(3)::before {
    background: linear-gradient(90deg, #f093fb, #f5576c);
}

.dish-number {
    position: absolute;
    top: 15px;
    right: 20px;
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.dish-card:nth-child(3) .dish-number {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    box-shadow: 0 4px 15px rgba(245, 87, 108, 0.4);
}

.dish-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #f5576c);
    border-radius: 50%;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

.divider-text {
    color: white;
    font-size: 2rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.result-placeholder {
    text-align: center;
    color: #999;
}

.result-placeholder .icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

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

.result-placeholder p {
    font-size: 1.1rem;
}

.result-content {
    text-align: center;
    width: 100%;
    animation: scaleIn 0.5s ease-out;
}

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

.dish-card .dish-name {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    margin-top: 10px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e8e8f0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dish-card:nth-child(3) .dish-name {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dish-card .dish-description {
    font-size: 1rem;
    color: #666;
    line-height: 1.7;
    padding: 0;
    margin-top: 10px;
}

.hidden {
    display: none;
}

.generate-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 200% 100%;
    border: none;
    border-radius: 50px;
    padding: 20px 50px;
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
    cursor: pointer;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4),
                0 0 0 0 rgba(102, 126, 234, 0.5);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 0 auto;
    min-width: 250px;
    position: relative;
    overflow: hidden;
}

.generate-btn::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;
}

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

.generate-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.5),
                0 0 0 8px rgba(102, 126, 234, 0.1);
    background-position: 100% 0;
}

.generate-btn:active {
    transform: translateY(-1px);
}

.generate-btn .btn-icon {
    font-size: 1.5rem;
    animation: rotate 2s linear infinite;
}

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

.generate-btn:active .btn-icon {
    animation: none;
    transform: rotate(180deg);
}

.info-section {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 20px 25px;
    text-align: center;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.info-text {
    font-size: 0.95rem;
    line-height: 1.6;
}

.info-text code {
    background: rgba(255, 255, 255, 0.3);
    padding: 2px 8px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .result-container {
        padding: 35px 25px;
        min-height: 350px;
    }
    
    .dishes-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .dish-divider {
        width: 50px;
        height: 50px;
        margin: 0 auto;
    }
    
    .divider-text {
        font-size: 1.5rem;
    }
    
    .dish-card {
        padding: 30px 25px;
    }
    
    .dish-card .dish-name {
        font-size: 1.7rem;
    }
    
    .dish-card .dish-description {
        font-size: 0.95rem;
    }
    
    .generate-btn {
        font-size: 1.2rem;
        padding: 18px 40px;
        min-width: 220px;
    }
    
    .container {
        max-width: 100%;
    }
}

/* 加载动画 */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading .generate-btn {
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}