/* ============================================
   teec-auth.css - 認證相關頁面共用樣式
   適用頁面：login, register, forgot, change-password,
             reset-password, reset-username, email-verification
   ============================================ */

/* === 1. Hero 區塊 === */
.teec-login-hero {
    padding: 12rem 5.25rem 4rem;
    background-color: var(--bs-body-bg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.teec-hero-bg-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 15rem;
    font-weight: 900;
    color: rgba(26, 50, 99, 0.03);
    z-index: 1;
    pointer-events: none;
}

.teec-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--bs-primary);
    position: relative;
    z-index: 5;
}

/* === 2. 卡片容器 === */
.teec-login-card {
    max-width: 30rem;
    margin: -5rem auto 8rem;
    background: #ffffff;
    padding: 3.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 0.25rem 0.375rem -0.06rem rgba(0, 0, 0, 0.05),
                0 1.25rem 2.5rem -0.6rem rgba(26, 50, 99, 0.12);
    position: relative;
    z-index: 4;
}

/* === 3. 表單 label / legend === */
.teec-form label.form-label,
.teec-form legend.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
    color: var(--bs-dark);
    text-align: left;
}

/* 重設 fieldset 預設樣式，確保與 div 群組外觀一致（WCAG 1.3.1） */
.teec-form fieldset {
    border: none;
    padding: 0;
    margin: 0;
}

/* === 4. 表單輸入元素 === */
.teec-form select.form-select,
.teec-form .form-control {
    width: 100%;
    padding: 0.8rem 1.2rem;
    border: 0.125rem solid var(--gray-200);
    border-radius: 0.75rem;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.teec-form .form-control {
    background: var(--bs-body-bg);
}

.teec-form input:focus,
.teec-form select:focus {
    outline: 0.1875rem solid #FACC15;
    outline-offset: 0.125rem;
    border-color: var(--bs-primary);
    background: #ffffff;
}

.teec-form .form-control.is-invalid {
    border: 0.125rem solid var(--bs-secondary);
}

/* === 5. 密碼輸入 input-group === */
.login-form .input-group {
    display: flex;
    flex-wrap: nowrap;
}

.login-form .input-group-text {
    background-color: var(--bs-body-bg) !important;
    border: 0.125rem solid var(--gray-200) !important;
    border-left: none !important;
    border-top-right-radius: 0.75rem !important;
    border-bottom-right-radius: 0.75rem !important;
    padding: 0 1rem;
    display: flex;
    align-items: center;
}

.login-form .input-group input {
    border-top-right-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

/* === 6. 主要行動按鈕 === */
.teec-btn-login {
    width: 100%;
    padding: 1rem;
    background: var(--bs-primary);
    color: #ffffff;
    border-radius: 3.125rem;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.125rem;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    display: block;
    text-align: center;
}

.teec-btn-login:hover,
.teec-btn-login:focus {
    transform: translateY(-0.1875rem);
    box-shadow: 0 0.625rem 1.25rem rgba(26, 50, 99, 0.2);
    filter: brightness(1.1);
    color: #ffffff;
}

/* === 7. 錯誤訊息盒 === */
.text-danger-box {
    background-color: #fff1f2;
    border: 0.125rem solid #fecaca;
    padding: 1rem;
    border-radius: 0.75rem;
    margin-top: 1.5rem;
    font-size: 1rem;
    color: var(--bs-danger);
    text-align: left;
}

/* === 8. RWD === */
@media (max-width: 48rem) {
    .teec-login-hero { padding: 8rem 1.5rem 4rem; }
    .teec-hero-bg-text { font-size: 6rem; }
    .teec-hero-title { font-size: 2.5rem; }
    .teec-login-card {
        margin: 2rem auto 4rem;
        padding: 2rem 1.5rem;
        width: 90%;
    }
}