@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
    --primary-color: #3D2914;
    --primary-light: #5C4033;
    --accent-color: #D4AF37;
    --accent-light: #E5C158;
    --bg-color: #FDFBF7;
    --card-bg: #FFFFFF;
    --text-color: #2D1F14;
    --text-light: #6B5344;
    --border-color: #E8DFD4;
    --star-color: #D4AF37;
    --star-empty: #E8E0D5;
}

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

html {
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

h1, h2, h3, h4 {
    font-family: 'Noto Serif SC', serif;
    font-weight: 600;
}

.container {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: clamp(15px, 4vw, 25px);
}

.header {
    text-align: center;
    padding: clamp(25px, 8vw, 50px) clamp(15px, 5vw, 30px);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: #FFFFFF;
    border-radius: 0 0 clamp(15px, 5vw, 30px) clamp(15px, 5vw, 30px);
    margin-bottom: clamp(20px, 5vw, 35px);
}

.header h1 {
    font-size: clamp(1.4rem, 5vw, 2.2rem);
    margin-bottom: clamp(8px, 2vw, 12px);
    font-weight: 700;
}

.header p {
    font-size: clamp(0.85rem, 2.5vw, 1.1rem);
    opacity: 0.9;
    font-weight: 300;
    max-width: 80%;
    margin: 0 auto;
}

.logo {
    width: clamp(50px, 15vw, 100px);
    height: clamp(50px, 15vw, 100px);
    margin: 0 auto clamp(10px, 3vw, 18px);
}
.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.card {
    background: var(--card-bg);
    border-radius: clamp(12px, 3vw, 18px);
    padding: clamp(18px, 4vw, 28px);
    margin-bottom: clamp(18px, 4vw, 28px);
    box-shadow: 0 4px 20px rgba(61, 41, 20, 0.08);
    border: 1px solid var(--border-color);
    width: 100%;
}

.card-title {
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    color: var(--primary-color);
    margin-bottom: clamp(15px, 3vw, 22px);
    padding-bottom: clamp(10px, 2vw, 14px);
    border-bottom: 2px solid var(--accent-color);
    display: flex;
    align-items: center;
    gap: clamp(8px, 2vw, 12px);
    flex-wrap: wrap;
}

.card-title .icon {
    font-size: clamp(1rem, 3vw, 1.4rem);
    color: var(--accent-color);
}

.star-rating {
    display: flex;
    justify-content: center;
    gap: clamp(4px, 2vw, 10px);
    margin-bottom: clamp(10px, 3vw, 18px);
    flex-wrap: wrap;
}

.star {
    font-size: clamp(1.5rem, 6vw, 2.8rem);
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--star-empty);
    flex-shrink: 0;
}

.star:hover,
.star.hover {
    color: var(--accent-light);
    transform: scale(1.1);
}

.star.filled {
    color: var(--star-color);
}

.rating-text {
    text-align: center;
    font-size: clamp(0.85rem, 2.5vw, 1.1rem);
    color: var(--accent-color);
    font-weight: 500;
    min-height: clamp(20px, 5vw, 28px);
}

.dimensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(200px, 45vw, 300px), 1fr));
    gap: clamp(12px, 3vw, 22px);
    width: 100%;
}

.dimension-card {
    background: var(--bg-color);
    border-radius: clamp(8px, 2vw, 14px);
    padding: clamp(15px, 3vw, 22px);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
}

.dimension-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(61, 41, 20, 0.1);
}

.dimension-title {
    font-size: clamp(0.85rem, 2.2vw, 1rem);
    color: var(--primary-color);
    margin-bottom: clamp(10px, 2.5vw, 18px);
    font-weight: 500;
}

.dimension-card .star-rating {
    margin-bottom: 0;
}

.dimension-card .star {
    font-size: clamp(1.2rem, 5vw, 2rem);
}

#improvement-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(150px, 40vw, 220px), 1fr));
    gap: clamp(10px, 2.5vw, 18px);
    width: 100%;
}

.improvement-checkbox {
    display: flex;
    align-items: center;
    gap: clamp(8px, 2vw, 12px);
    cursor: pointer;
    padding: clamp(10px, 2.5vw, 14px) clamp(12px, 3vw, 18px);
    background: var(--bg-color);
    border-radius: clamp(6px, 2vw, 10px);
    transition: all 0.2s ease;
    border: 2px solid transparent;
    width: 100%;
}

.improvement-checkbox:hover {
    background: #F5F0E8;
}

.improvement-checkbox input[type="checkbox"] {
    display: none;
}

.improvement-checkbox .checkmark {
    width: clamp(18px, 4vw, 24px);
    height: clamp(18px, 4vw, 24px);
    border: 2px solid var(--border-color);
    border-radius: clamp(4px, 1vw, 6px);
    position: relative;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.improvement-checkbox input[type="checkbox"]:checked + .checkmark {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.improvement-checkbox input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: clamp(5px, 2vw, 7px);
    top: clamp(1px, 0.5vw, 3px);
    width: clamp(5px, 1.5vw, 7px);
    height: clamp(10px, 3vw, 14px);
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.improvement-checkbox .label-text {
    font-size: clamp(0.8rem, 2.2vw, 0.95rem);
    color: var(--text-color);
    flex: 1;
}

.improvement-checkbox input[type="checkbox"]:checked + .checkmark + .label-text {
    color: var(--primary-color);
    font-weight: 500;
}

.textarea-container {
    margin-top: clamp(8px, 2vw, 12px);
}

.textarea-container textarea {
    width: 100%;
    padding: clamp(12px, 3vw, 18px);
    border: 2px solid var(--border-color);
    border-radius: clamp(8px, 2vw, 14px);
    font-family: inherit;
    font-size: clamp(0.85rem, 2.5vw, 1.05rem);
    background: var(--bg-color);
    resize: vertical;
    min-height: clamp(100px, 25vw, 150px);
    transition: border-color 0.2s ease;
}

.textarea-container textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.textarea-container textarea::placeholder {
    color: var(--text-light);
}

.form-group {
    margin-bottom: clamp(15px, 4vw, 22px);
}

.form-group label {
    display: block;
    font-size: clamp(0.85rem, 2.5vw, 1rem);
    color: var(--text-color);
    margin-bottom: clamp(6px, 1.5vw, 10px);
    font-weight: 500;
}

.form-group input[type="text"] {
    width: 100%;
    padding: clamp(10px, 2.5vw, 14px) clamp(12px, 3vw, 18px);
    border: 2px solid var(--border-color);
    border-radius: clamp(6px, 2vw, 10px);
    font-family: inherit;
    font-size: clamp(0.85rem, 2.5vw, 1.05rem);
    background: var(--bg-color);
    transition: border-color 0.2s ease;
}

.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group input[type="text"]::placeholder {
    color: var(--text-light);
}

.form-group .optional {
    color: var(--text-light);
    font-weight: 400;
    font-size: clamp(0.75rem, 2vw, 0.9rem);
}

.submit-btn {
    width: 100%;
    padding: clamp(12px, 3vw, 18px);
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    color: var(--primary-color);
    border: none;
    border-radius: clamp(8px, 2vw, 14px);
    font-size: clamp(0.95rem, 2.8vw, 1.2rem);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.footer {
    text-align: center;
    padding: clamp(20px, 5vw, 35px);
    color: var(--text-light);
    font-size: clamp(0.75rem, 2vw, 0.9rem);
}

.success-container {
    text-align: center;
    padding: clamp(40px, 10vw, 80px) clamp(15px, 5vw, 30px);
}

.success-icon {
    width: clamp(70px, 18vw, 120px);
    height: clamp(70px, 18vw, 120px);
    background: linear-gradient(135deg, #22C55E 0%, #16A34A 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto clamp(20px, 5vw, 35px);
    font-size: clamp(2rem, 8vw, 3.5rem);
    color: white;
    animation: bounce 0.6s ease;
}

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

.success-title {
    font-size: clamp(1.3rem, 5vw, 2rem);
    color: var(--primary-color);
    margin-bottom: clamp(10px, 3vw, 18px);
}

.success-message {
    font-size: clamp(0.85rem, 2.5vw, 1.1rem);
    color: var(--text-light);
    margin-bottom: clamp(20px, 5vw, 35px);
    line-height: 1.8;
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.back-link {
    display: inline-block;
    padding: clamp(10px, 2.5vw, 14px) clamp(20px, 6vw, 35px);
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: clamp(6px, 2vw, 10px);
    font-weight: 500;
    font-size: clamp(0.85rem, 2.5vw, 1rem);
    transition: all 0.2s ease;
}

.back-link:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.toast {
    position: fixed;
    top: clamp(15px, 4vw, 25px);
    right: clamp(10px, 3vw, 20px);
    background: #EF4444;
    color: white;
    padding: clamp(10px, 2.5vw, 15px) clamp(15px, 4vw, 25px);
    border-radius: clamp(6px, 2vw, 10px);
    font-size: clamp(0.8rem, 2.2vw, 0.95rem);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
    transform: translateX(120%);
    transition: transform 0.3s ease;
    z-index: 1000;
    max-width: clamp(250px, 60vw, 350px);
}

.toast.show {
    transform: translateX(0);
}

@media (max-width: 640px) {
    .container {
        padding: clamp(10px, 3vw, 18px);
    }
    
    .header h1 {
        font-size: clamp(1.2rem, 4vw, 1.6rem);
    }
    
    .star {
        font-size: clamp(1.3rem, 5vw, 2.2rem);
    }
    
    .dimensions-grid {
        grid-template-columns: 1fr;
    }
    
    #improvement-areas {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: clamp(14px, 3vw, 20px);
    }
    
    .header p {
        max-width: 90%;
    }
}

@media (max-width: 400px) {
    .star-rating {
        gap: clamp(2px, 1vw, 6px);
    }
    
    .dimension-title {
        font-size: clamp(0.75rem, 2vw, 0.9rem);
    }
}