:root {
    --primary: #8CCCE3;
    --primary-dark: #7AB9D0;
    --primary-light: #E0F2F9;
    --accent: #FFB7B2;
    --post-green: #068144;
    --fubon-blue: #004D99;
    --bg: #F8FAFC;
    --text: #475569;
    --white: #ffffff;
}

/* 修正滑動的核心設定 */
body {
    font-family: 'Noto Sans TC', sans-serif;
    background-color: var(--bg);
    background-image: radial-gradient(#e2e8f0 1.5px, transparent 1.5px);
    background-size: 24px 24px;
    color: var(--text);
    margin: 0; 
    padding: 20px 15px 100px 15px; /* 增加底部空間到 100px */
    display: block; 
    min-height: 100vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.container { 
    width: 100%; 
    max-width: 550px; 
    margin: 0 auto;
    animation: fadeIn 0.8s ease-out; 
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* 字體設定 */
h2, .subtitle, .submit-btn, .contact-card h3 {
    font-family: 'RocknRoll One', sans-serif;
}

header { text-align: center; margin-bottom: 40px; }
h2 { 
    display: inline-block;
    background: var(--white); color: var(--primary); padding: 16px 40px;
    border-radius: 50px; border: 3px solid var(--primary);
    box-shadow: 6px 6px 0px var(--primary-light);
    margin: 0; font-size: 1.8rem;
}
.subtitle { margin-top: 18px; color: #64748b; font-size: 1.1rem; }

/* 資訊卡片 */
.info-card {
    background: var(--white); border-radius: 28px; padding: 25px;
    margin-bottom: 30px; border: 1px solid #e2e8f0;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05);
}

.copy-box {
    background: #fafafa; padding: 16px; border-radius: 18px;
    margin-top: 12px; cursor: pointer; border: 2px solid #f1f5f9;
    display: flex; justify-content: space-between; align-items: center;
    transition: all 0.3s ease;
}
.copy-box:hover { border-color: var(--primary); transform: translateY(-3px); }

.post-text { color: var(--post-green) !important; }
.fubon-text { color: var(--fubon-blue) !important; }

.copy-hint { color: var(--primary); font-size: 0.8rem; font-weight: 700; border: 1px solid var(--primary-light); padding: 2px 8px; border-radius: 8px; }

.warning-box {
    font-size: 0.85rem; color: #f43f5e; margin-top: 18px; background: #fff1f2;
    padding: 12px; border-radius: 14px; text-align: center; font-weight: bold; border: 1px dashed #fecaca;
}

/* 表單區 */
.report-form {
    background: var(--white); padding: 35px; border-radius: 30px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.08); border: 1px solid #e2e8f0;
}
.form-group { margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

label { display: block; font-weight: 700; margin-bottom: 12px; font-size: 1rem; color: #334155; }
.badge { background: var(--accent); color: var(--white); padding: 3px 12px; border-radius: 20px; font-size: 0.75rem; margin-right: 8px; box-shadow: 2px 2px 0px #fecaca; }

input, textarea { width: 100%; padding: 15px; border: 2px solid #f1f5f9; border-radius: 16px; box-sizing: border-box; background: #f8fafc; font-size: 16px; transition: all 0.3s ease; }
input:focus, textarea:focus { outline: none; border-color: var(--primary); background: var(--white); box-shadow: 0 0 0 4px var(--primary-light); }

/* 單選按鈕 */
.radio-group { display: flex; gap: 12px; }
.radio-group.flex { flex-direction: row; }
.radio-option {
    display: flex; align-items: center; background: #f8fafc;
    padding: 12px 18px; border-radius: 16px; cursor: pointer;
    border: 2px solid #f1f5f9; flex: 1; transition: 0.2s;
}
.radio-option:hover { background: var(--primary-light); border-color: var(--primary); }
.radio-option input { margin-right: 12px; width: 18px; height: 18px; accent-color: var(--primary); }

.submit-btn {
    width: 100%; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white); border: none; padding: 20px; border-radius: 20px;
    font-size: 1.4rem; cursor: pointer; box-shadow: 0 6px 20px rgba(140, 204, 227, 0.4);
    transition: all 0.3s ease; margin-top: 10px;
}

/* 聯絡資訊 */
.contact-card {
    background: #f1f5f9; border-radius: 24px; padding: 25px; margin: 30px 0; text-align: center;
}
.contact-card h3 { color: var(--primary-dark); font-size: 1.1rem; margin-bottom: 15px; }
.contact-item { margin-bottom: 8px; font-size: 0.95rem; }
.contact-label { font-weight: 700; color: #64748b; }

footer { text-align: center; padding: 20px 0; font-size: 0.85rem; color: #94a3b8; line-height: 1.6; }

/* 手機版響應式優化 */
@media (max-width: 480px) {
    body { padding-bottom: 120px; } /* 手機版留白更多 */
    .report-form { padding: 25px 20px; }
    h2 { font-size: 1.4rem; padding: 12px 25px; }
    .radio-group.flex { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }
}