:root {
    --primary-color: #b12028; /* 雷克斯 LOGO 深紅色 */
    --primary-hover: #8e1a20;
    --secondary-color: #4b5563;
    --bg-gradient: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-border: rgba(177, 32, 40, 0.1);
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --input-bg: #ffffff;
    --input-focus: #b12028;
    --accent-red: #dc2626;
    --radius-lg: 20px;
    --radius-md: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
}

body {
    background: var(--bg-gradient);
    color: var(--text-main);
    min-height: 100vh;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

.background-decor {
    position: fixed;
    top: -10%;
    left: -10%;
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, rgba(177, 32, 40, 0.1) 0%, transparent 70%);
    z-index: -1;
    filter: blur(80px);
}

.container {
    width: 100%;
    max-width: 800px;
    animation: fadeIn 0.8s ease-out;
}

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

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

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(to right, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.glass-form {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* 進度條樣式 */
.progress-container {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    height: 8px;
    border-radius: 4px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(to right, #60a5fa, #3b82f6);
    width: 5%;
    transition: width 0.4s ease;
}

.progress-text {
    display: block;
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* 步進式容器 */
.step-wrapper {
    position: relative;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.step {
    display: none;
    animation: slideIn 0.4s ease-out;
    flex: 1;
}

.step.active {
    display: block;
}

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

.form-group {
    margin-bottom: 0;
}

/* 收費標準表格樣式 */
.pricing-table-wrapper {
    width: 100%;
    max-height: 350px;
    overflow-y: auto;
    background: #ffffff;
    border-radius: var(--radius-md);
    margin: 15px 0 25px 0;
    border: 1px solid #e5e7eb;
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    color: var(--text-main);
}

.pricing-table th, .pricing-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-table th {
    background: rgba(255, 255, 255, 0.1);
    color: #60a5fa;
    position: sticky;
    top: 0;
    z-index: 1;
}

.cat-header {
    background: rgba(177, 32, 40, 0.05);
    font-weight: bold;
    color: var(--primary-color);
}

.table-note {
    font-size: 0.8rem;
    color: var(--accent-red);
    padding: 15px !important;
    font-style: italic;
}

/* 滾動條美化 */
.pricing-table-wrapper::-webkit-scrollbar {
    width: 6px;
}
.pricing-table-wrapper::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
}

.navigation-controls {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn-nav {
    flex: 1;
    padding: 18px; /* 增大按鈕 */
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-prev {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}

.btn-next, .btn-submit {
    background: var(--primary-color);
    color: white;
}

.btn-nav:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* 新增：格寬與視覺優化 */
.label-title {
    display: block;
    font-size: 1.4rem; 
    font-weight: 700;
    margin-bottom: 25px; 
    color: var(--text-main);
    line-height: 1.4;
}

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 20px 24px; 
    background: #ffffff; 
    border: 2px solid #e5e7eb; 
    border-radius: 14px;
    color: var(--text-main);
    font-size: 1.25rem; /* 增大字體 */
    transition: var(--transition);
    margin-bottom: 10px;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
    background: rgba(255, 255, 255, 0.12);
}

input[type="date"]::-webkit-calendar-picker-indicator {
    filter: none;
    cursor: pointer;
    transform: scale(1.3);
}

.radio-group, .checkbox-list, .checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.radio-group.vertical {
    flex-direction: column;
}

.radio-option, .checkbox-option {
    display: flex;
    align-items: center;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.06);
    padding: 20px 28px; /* 顯著增加選項格子寬度與厚度 */
    border-radius: 14px;
    border: 2px solid transparent;
    transition: var(--transition);
    font-size: 1.2rem;
}

.radio-option:hover, .checkbox-option:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(59, 130, 246, 0.5);
}

/* 選中狀態加強 */
.radio-option input:checked + span, 
.radio-option:has(input:checked),
.checkbox-option:has(input:checked) {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--primary-color);
}

.radio-option input, .checkbox-option input {
    width: 22px;
    height: 22px; 
    margin-right: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.multi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 18px;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 15px;
}

.inline-text {
    margin-left: 15px;
    padding: 12px 18px !important;
    width: auto !important;
    max-width: 300px;
    display: none;
    font-size: 1.1rem !important;
}

.footer {
    margin-top: 50px;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
    padding-bottom: 40px;
}

/* RWD 優化 */
@media (max-width: 600px) {
    .glass-form {
        padding: 30px 20px;
        min-height: 480px;
    }
    
    .header h1 {
        font-size: 2rem;
    }

    .label-title {
        font-size: 1.25rem;
    }

    input, select, textarea {
        padding: 16px 20px;
        font-size: 1.1rem;
    }

    .radio-option, .checkbox-option {
        padding: 16px 20px;
        font-size: 1.1rem;
    }
}