/* Base Styles */
:root {
    --primary-color: #ff8fb1;
    --primary-light: #ffc2d1;
    --primary-dark: #e67a9e;
    --secondary-color: #b5e2fa;
    --text-color: #333333;
    --text-light: #666666;
    --background-color: #ffffff;
    --card-background: #f9f9f9;
    --border-radius: 12px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --info-color: #4a6fa5;
    --info-background: #eef5ff;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
header {
    text-align: center;
    padding: 30px 0;
}

.logo h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.logo p {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 300;
}

/* Main Content Styles */
main {
    padding: 20px 0;
}

/* Search Section */
.search-section {
    max-width: 800px;
    margin: 0 auto 40px;
}

.search-container {
    margin-bottom: 30px;
}

.search-box {
    display: flex;
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.search-box:focus-within {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.search-box input {
    flex: 1;
    padding: 16px 20px;
    border: none;
    font-size: 1.1rem;
    background-color: transparent;
    color: var(--text-color);
}

.search-box input:focus {
    outline: none;
}

.search-box button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0 25px;
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    background-color: var(--primary-dark);
}

.search-hint {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--text-light);
    text-align: center;
}

/* Or Divider */
.or-divider {
    display: flex;
    align-items: center;
    margin: 30px 0;
    color: var(--text-light);
}

.or-divider::before,
.or-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: #e0e0e0;
}

.or-divider span {
    padding: 0 15px;
    font-size: 0.9rem;
}

/* Upload Tabs */
.upload-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.tab-button {
    flex: 1;
    padding: 12px 20px;
    background-color: var(--card-background);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-light);
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.tab-button:hover {
    background-color: #f0f0f0;
}

.tab-button.active {
    color: var(--primary-dark);
    border-bottom-color: var(--primary-color);
    background-color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Upload Container */
.upload-container {
    margin-bottom: 30px;
}

.upload-box {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    cursor: pointer;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.upload-box:hover {
    background-color: #f0f0f0;
}

.upload-box i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.upload-box p {
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 500;
}

.upload-box span {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 20px;
    display: block;
}

.upload-options {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.upload-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    background-color: white;
    border: 1px solid #e0e0e0;
    cursor: pointer;
    transition: var(--transition);
}

.upload-option:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
}

.upload-option i {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.upload-option span {
    font-size: 0.8rem;
    margin-bottom: 0;
}

.upload-box input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* Result Section */
.result-section {
    max-width: 800px;
    margin: 0 auto;
    display: none;
}

.result-section.active {
    display: block;
}

.result-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
    transition: var(--transition);
}

.result-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.result-header {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to right, var(--primary-light), var(--secondary-color));
}

.result-header h2 {
    font-size: 1.5rem;
    color: var(--text-color);
}

.safety-rating {
    font-size: 2rem;
    font-weight: bold;
}

.safety-rating.safe {
    color: #4caf50;
}

.safety-rating.caution {
    color: #ff9800;
}

.safety-rating.unsafe {
    color: #f44336;
}

.result-body {
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) {
    .result-body {
        flex-direction: row;
    }
}

.result-image {
    flex: 1;
    min-height: 200px;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-image img {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
}

.result-info {
    flex: 2;
    padding: 20px;
}

.safety-explanation {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.scientific-reason {
    margin-bottom: 15px;
    padding: 15px;
    background-color: rgba(181, 226, 250, 0.2);
    border-radius: 8px;
}

.scientific-reason h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.recommendations {
    margin-top: 20px;
    margin-bottom: 20px;
}

.recommendations h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.recommendations ul {
    list-style-type: none;
}

.recommendations li {
    margin-bottom: 5px;
    padding-left: 20px;
    position: relative;
}

.recommendations li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Menu Tabs */
.menu-tabs {
    display: flex;
    margin: 20px 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.menu-tab-button {
    flex: 1;
    padding: 12px;
    border: none;
    background-color: white;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.menu-tab-button .safety-rating {
    font-size: 1.2rem;
    margin-right: 4px;
}

.menu-tab-button:hover {
    background-color: #f9f9f9;
}

.menu-tab-button.active {
    border-bottom-color: currentColor;
}

.menu-tab-button.active[data-rating="safe"] {
    border-bottom-color: #4caf50;
}

.menu-tab-button.active[data-rating="caution"] {
    border-bottom-color: #ff9800;
}

.menu-tab-button.active[data-rating="unsafe"] {
    border-bottom-color: #f44336;
}

.menu-tab-content {
    display: none;
}

.menu-tab-content.active {
    display: block;
}

/* Menu Items */
.menu-overview {
    margin-bottom: 20px;
}

.menu-overview h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.menu-items {
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 8px;
}

.menu-items.safe {
    background-color: rgba(76, 175, 80, 0.1);
    border-left: 4px solid #4caf50;
}

.menu-items.caution {
    background-color: rgba(255, 152, 0, 0.1);
    border-left: 4px solid #ff9800;
}

.menu-items.unsafe {
    background-color: rgba(244, 67, 54, 0.1);
    border-left: 4px solid #f44336;
}

.menu-items ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.menu-items li {
    margin-bottom: 5px;
    padding-left: 20px;
    position: relative;
}

.menu-items li::before {
    content: "•";
    position: absolute;
    left: 0;
}

.menu-advice {
    margin-top: 20px;
    margin-bottom: 20px;
    padding: 15px;
    background-color: rgba(181, 226, 250, 0.2);
    border-radius: 8px;
}

.menu-advice h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

/* AI Notice */
.ai-notice {
    margin-top: 20px;
    padding: 12px;
    background-color: var(--info-background);
    border-radius: 8px;
    border-left: 4px solid var(--info-color);
}

.ai-notice p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.ai-notice i {
    color: var(--info-color);
    margin-right: 8px;
}

/* Disclaimer */
.disclaimer {
    max-width: 800px;
    margin: 30px auto;
    padding: 15px 20px;
    background-color: var(--info-background);
    border-radius: var(--border-radius);
    display: flex;
    align-items: flex-start;
    box-shadow: var(--box-shadow);
}

.disclaimer-icon {
    margin-right: 15px;
    font-size: 1.5rem;
    color: var(--info-color);
    flex-shrink: 0;
}

.disclaimer p {
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 1.5;
}

/* Footer Styles */
footer {
    text-align: center;
    padding: 30px 0;
    color: var(--text-light);
    font-size: 0.9rem;
    border-top: 1px solid #f0f0f0;
    margin-top: 40px;
}

footer p {
    margin-bottom: 10px;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    display: none;
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--primary-light);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.loading-overlay p {
    margin-bottom: 10px;
    font-size: 1.1rem;
    color: var(--text-color);
}

.loading-overlay .timeout-message {
    font-size: 0.9rem;
    color: var(--text-light);
    opacity: 0;
    transition: opacity 1s ease;
    margin-top: 10px;
}

.loading-overlay.timeout .timeout-message {
    opacity: 1;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .search-box input {
        padding: 14px 16px;
        font-size: 1rem;
    }
    
    .result-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .safety-rating {
        margin-top: 10px;
    }
    
    .disclaimer {
        flex-direction: column;
    }
    
    .disclaimer-icon {
        margin-bottom: 10px;
    }
    
    .upload-options {
        flex-direction: column;
        gap: 10px;
    }
    
    .upload-option {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .logo p {
        font-size: 0.9rem;
    }
    
    .upload-box {
        padding: 20px;
    }
    
    .upload-box i {
        font-size: 2rem;
    }
    
    .upload-box p {
        font-size: 1rem;
    }
    
    .menu-tabs {
        flex-direction: column;
    }
    
    .menu-tab-button {
        padding: 10px;
    }
}