/**
 * Liff Entry 頁面樣式
 * 主色：#1f5cad（品牌藍）、#ed5a25（品牌橘）
 */

:root {
    --brand-blue: #1f5cad;
    --brand-blue-soft: #e8f0fb;
    --brand-orange: #ed5a25;
    --brand-orange-soft: #fdece4;
    --text-primary: #2a2f3a;
    --text-secondary: #6c757d;
    --border-soft: #eef1f5;
}

/* 主容器：純白背景 */
.main-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    padding: 1.5rem;
}

/* 內容包裝：垂直置中、含 Logo */
.liff-content-wrapper {
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 品牌 Logo 區塊 */
.liff-brand {
    margin-bottom: 2rem;
    text-align: center;
}

.liff-brand img {
    max-width: 160px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* 載入容器 */
.liff-loading-container {
    width: 100%;
    text-align: center;
}

/* 載入內容卡片 */
.liff-loading-content {
    background: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-soft);
    box-shadow: 0 8px 28px rgba(31, 92, 173, 0.08);
    width: 100%;
}

/* Bootstrap Spinner 樣式覆寫 */
.liff-loading-content .spinner-border {
    width: 56px;
    height: 56px;
    border-width: 5px;
    color: var(--brand-blue) !important;
    border-top-color: var(--brand-orange) !important;
}

/* 自訂 Spinner（保留，給其他需求使用） */
.liff-spinner {
    width: 56px;
    height: 56px;
    border: 5px solid var(--border-soft);
    border-top: 5px solid var(--brand-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 載入文字 */
.loading-text {
    font-size: 1.05rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-top: 1.25rem;
    animation: fadeInOut 1.5s ease-in-out infinite;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.65; }
    50% { opacity: 1; }
}

/* ========================================
   登入進度指示器樣式
   ======================================== */

.liff-progress-content {
    text-align: left;
}

.liff-progress-content h5 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* 步驟列表 */
.login-steps {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.login-step {
    display: flex;
    align-items: center;
    padding: 0.55rem 0;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.login-step-icon {
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    font-size: 0.95rem;
}

/* 待處理步驟 */
.login-step.pending .login-step-icon {
    color: #d0d6df;
}

.login-step.pending .login-step-icon::before {
    content: '○';
}

/* 進行中步驟 */
.login-step.active {
    color: var(--brand-blue);
    font-weight: 600;
}

.login-step.active .login-step-icon {
    color: var(--brand-blue);
}

.login-step.active .login-step-icon::before {
    content: '';
}

.login-step.active .login-step-icon::after {
    content: '';
    width: 0.85rem;
    height: 0.85rem;
    border: 2px solid var(--brand-blue);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* 已完成步驟 */
.login-step.completed {
    color: var(--brand-orange);
}

.login-step.completed .login-step-icon {
    color: var(--brand-orange);
}

.login-step.completed .login-step-icon::before {
    content: '✓';
    font-weight: bold;
}

/* 錯誤步驟 */
.login-step.error {
    color: #dc3545;
}

.login-step.error .login-step-icon {
    color: #dc3545;
}

.login-step.error .login-step-icon::before {
    content: '✗';
    font-weight: bold;
}

/* 進度條 */
.login-progress-bar-container {
    background-color: var(--brand-blue-soft);
    border-radius: 0.5rem;
    height: 0.55rem;
    overflow: hidden;
    margin-bottom: 1rem;
}

.login-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-orange));
    border-radius: 0.5rem;
    transition: width 0.3s ease;
    width: 0%;
}

/* 進度百分比文字 */
.login-progress-text {
    text-align: center;
    font-size: 0.9rem;
    color: var(--brand-blue);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* 額外提示訊息 */
.login-progress-hint {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    min-height: 1.25rem;
}

.login-progress-hint.warning {
    color: var(--brand-orange);
    font-weight: 500;
}

/* 成功訊息 */
.login-success-message {
    text-align: center;
    color: var(--brand-orange);
    font-weight: 600;
}

.login-success-message i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    color: var(--brand-orange);
}

.login-success-message p {
    font-size: 1.15rem;
    margin: 0;
    color: var(--text-primary);
}

/* 錯誤訊息容器 */
.liff-error-container {
    display: none;
    background: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-soft);
    box-shadow: 0 8px 28px rgba(31, 92, 173, 0.08);
    width: 100%;
    text-align: center;
}

.liff-error-container.show {
    display: block;
}

.liff-error-container .error-icon {
    font-size: 3rem;
    color: var(--brand-orange);
    margin-bottom: 1rem;
}

.liff-error-container .error-message {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* 重試按鈕配色覆蓋（沿用品牌藍） */
.liff-error-container .btn-primary {
    background-color: var(--brand-blue);
    border-color: var(--brand-blue);
    padding: 0.55rem 1.75rem;
    font-weight: 500;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(31, 92, 173, 0.25);
    transition: background-color 0.2s ease, transform 0.15s ease;
}

.liff-error-container .btn-primary:hover,
.liff-error-container .btn-primary:focus {
    background-color: #174a8f;
    border-color: #174a8f;
    transform: translateY(-1px);
}

.liff-error-container .btn-primary:active {
    transform: translateY(0);
}

/* 響應式設計 */
@media (max-width: 576px) {
    .main-container {
        padding: 1rem;
    }

    .liff-brand {
        margin-bottom: 1.5rem;
    }

    .liff-brand img {
        max-width: 130px;
    }

    .liff-loading-content,
    .liff-error-container {
        padding: 2rem 1.5rem;
    }

    .loading-text {
        font-size: 1rem;
    }

    .liff-loading-content .spinner-border,
    .liff-spinner {
        width: 48px;
        height: 48px;
        border-width: 4px;
    }

    .login-step {
        font-size: 0.9rem;
    }

    .login-step-icon {
        width: 1.25rem;
        height: 1.25rem;
        font-size: 0.85rem;
    }
}