/* ==================== 註冊頁專屬樣式 ==================== */
body {
    background-color: var(--bg-light);
    font-family: "Microsoft JhengHei", sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.bg-theme {
    background-color: var(--theme-color) !important;
}

/* 按鈕樣式 */
.btn-theme {
    background-color: var(--theme-color);
    color: #fff;
    border: 1px solid var(--theme-color);
    transition: all 0.3s;
}

.btn-theme:hover {
    background-color: #0e2124;
    color: #fff;
    transform: translateY(-1px);
}

.register-container {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 15px;
}

.register-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    width: 100%;
    max-width: 450px;
    border: 1px solid #eee;
}

.register-header {
    background-color: var(--theme-color);
    padding: 30px 20px;
    text-align: center;
    color: #fff;
    position: relative;
}

/* 裝飾用的圓圈 */
.register-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-color: var(--theme-color);
    border-radius: 50%;
    z-index: 1;
}

.register-icon {
    font-size: 3rem;
    margin-bottom: 10px;
    position: relative;
    z-index: 2;
}

.register-body {
    padding: 40px 30px 30px;
}

.form-floating>.form-control:focus~label,
.form-floating>.form-control:not(:placeholder-shown)~label {
    color: var(--theme-color);
    opacity: 0.8;
}

.form-control:focus {
    border-color: var(--theme-color);
    box-shadow: 0 0 0 0.25rem rgba(19, 44, 48, 0.15);
}

/* 條款連結樣式 */
.terms-link {
    color: var(--theme-color);
    text-decoration: underline;
    cursor: pointer;
}

.terms-link:hover {
    color: var(--accent-color);
}

/* RWD 手機 */
@media (max-width: 991.98px) {
    .site-footer {
        display: none;
    }
}