/* ============================================
   login.css — 登入頁面專屬樣式
   ============================================ */

/* 登入容器 */
.login-container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    margin-top: 50px;
    margin-bottom: 50px;
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    text-align: center;
    padding: 40px 30px 30px;
}

.login-header h2 {
    font-weight: 700;
    margin-bottom: 10px;
    font-size: 1.8rem;
}

.login-header p {
    opacity: 0.9;
    margin-bottom: 0;
}

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

/* 表單樣式 */
.form-floating {
    margin-bottom: 20px;
}

.form-floating>.form-control {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 12px 16px;
    height: auto;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-floating>.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(189, 86, 27, 0.25);
}

.form-floating>label {
    color: #6c757d;
    font-weight: 500;
}

/* 國家選擇 */
.country-select-container {
    position: relative;
    margin-bottom: 20px;
}

.country-select {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 12px 16px;
    width: 100%;
    background: white;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.country-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(189, 86, 27, 0.25);
    outline: none;
}

.country-option {
    padding: 10px 16px;
    display: flex;
    align-items: center;
}

.country-flag {
    width: 24px;
    height: 18px;
    margin-right: 12px;
    border-radius: 3px;
    display: inline-block;
}

/* 手機輸入 */
.phone-input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.country-code-select {
    flex: 0 0 140px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 12px 16px;
    background: white;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.country-code-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(189, 86, 27, 0.25);
    outline: none;
}

.phone-input {
    flex: 1;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 16px;
    transition: all 0.3s ease;
    width: 100%;
}

.phone-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(189, 86, 27, 0.25);
    outline: none;
}

/* 按鈕 */
.login-container .btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border: none;
    border-radius: 12px;
    padding: 14px 24px;
    font-weight: 600;
    font-size: 16px;
    width: 100%;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(189, 86, 27, 0.3);
}

.login-container .btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(189, 86, 27, 0.4);
}

.login-container.btn-outline-primary {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 16px;
    width: 100%;
    background: transparent;
    transition: all 0.3s ease;
}

.login-container .btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(189, 86, 27, 0.3);
}

/* 社群登入 */
.social-login {
    margin: 30px 0;
}

.divider {
    text-align: center;
    margin: 25px 0;
    position: relative;
    color: #6c757d;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e9ecef;
    z-index: 1;
}

.divider span {
    background: white;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.login-container .social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 12px 20px;
    margin-bottom: 15px;
    background: white;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-container .social-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.login-container .social-btn i {
    font-size: 18px;
    margin-right: 12px;
}

/* 連結 */
.auth-links {
    text-align: center;
    margin-top: 25px;
}

.auth-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.auth-links a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* 記住我 */
.form-check {
    margin-bottom: 25px;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(189, 86, 27, 0.25);
}

.form-check-label {
    font-weight: 500;
    color: #6c757d;
}

/* 品牌標誌 */
.brand-logo {
    font-size: 2.5rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

/* 忘記密碼連結 */
.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.forgot-password:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* 手機版響應式 */
@media (max-width: 576px) {
    body {
        background-color: #ffffff;
    }

    .login-container {
        border-radius: 0;
        box-shadow: none;
    }

    .login-header {
        padding: 30px 20px 25px;
    }

    .login-body {
        padding: 30px 20px;
    }

    .phone-input-group {
        flex-direction: column;
    }

    .country-code-select {
        flex: none;
    }
}

/* 載入狀態 */
.btn-loading {
    position: relative;
    color: transparent;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 1s ease infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}