/* ================================================================
   模块：激活码兑换页面样式
   包含：页面容器、骨架屏、错误态、输入区、预览区、结果区
   依赖：base.css（CSS 变量）
   ================================================================ */

/* ---- 显示工具类（替代 JS inline style） ---- */
.u-hidden { display: none !important; }
.u-flex { display: flex !important; }
.u-inline-flex { display: inline-flex !important; }
.u-block { display: block !important; }

/* ---- 显示类型定义（默认展示类型）+ .u-hidden 控制显隐 ---- */
#acPageSkeleton { display: flex; }
#acInputStatus { display: flex; }
#acInputError { display: flex; }
#acPreviewSummary { display: flex; }

/* 初始隐藏（与 HTML 中 .u-hidden 类配合） */
#acPageSkeleton.u-hidden,
#acInputStatus.u-hidden,
#acInputError.u-hidden,
#acPreviewSummary.u-hidden { display: none !important; }

/* ---- 图标颜色（替代内联 style） ---- */
.ac-input-count .fa-check-circle { color: var(--color-success); }
.ac-input-error .fa-exclamation-triangle { color: var(--color-danger); }
.ac-preview-header h2 .fa-check-circle { color: var(--color-success); }
#acRedeemableCount { color: var(--color-success); }
#acInvalidCount { color: var(--color-text-muted); }
#acUsedExpiredCount { color: var(--color-danger); }

/* ---- 按钮居中容器 ---- */
.ac-btn-center { text-align: center; margin-top: 16px; }

/* ---- 页面容器 ---- */
.activation-page {
    max-width: 720px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

.activation-container {
    position: relative;
}

/* ---- 骨架屏 ---- */
.ac-page-skeleton {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
}

/* ---- 错误态 ---- */
.ac-page-error {
    text-align: center;
    padding: 60px 20px;
}

.ac-page-error .error-icon {
    font-size: 56px;
    color: var(--color-danger);
    margin-bottom: 16px;
}

.ac-page-error .error-text {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

/* ---- 内容区 ---- */
.ac-page-header {
    text-align: center;
    margin-bottom: 32px;
}

.ac-page-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    font-size: 32px;
    border-radius: 20px;
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    color: var(--color-success);
    margin-bottom: 16px;
}

.ac-page-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: var(--color-text);
}

.ac-page-desc {
    font-size: 15px;
    color: var(--color-text-muted);
    margin: 0;
}

/* ---- 输入区 ---- */
.ac-input-section {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.ac-input-group {
    position: relative;
}

.ac-code-input {
    width: 100%;
    min-height: 80px;
    padding: 14px 16px;
    font-size: 15px;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    letter-spacing: 0.5px;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg-light);
    resize: vertical;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.ac-code-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: #fff;
}

.ac-code-input::placeholder {
    color: var(--color-text-muted);
    font-family: inherit;
}

.ac-input-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 12px;
}

.ac-input-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 16px;
    background: #f1f8e9;
    border-radius: 8px;
    font-size: 14px;
}

.ac-input-error {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 16px;
    background: #fff3f3;
    border: 1px solid #ffcdd2;
    border-radius: 8px;
    font-size: 14px;
    color: var(--color-danger);
}

/* ---- 预览区 ---- */
.ac-preview-section {
    margin-top: 32px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.ac-preview-header h2 {
    font-size: 18px;
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ac-preview-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ac-preview-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-light);
}

.ac-preview-item-icon {
    font-size: 20px;
    flex-shrink: 0;
    padding-top: 2px;
}

.ac-preview--redeemable { border-left: 4px solid var(--color-success); }
.ac-preview--redeemable .ac-preview-item-icon { color: var(--color-success); }

.ac-preview--not-redeemable { border-left: 4px solid var(--color-danger); }
.ac-preview--not-redeemable .ac-preview-item-icon { color: var(--color-danger); }

.ac-preview--not-matched { border-left: 4px solid var(--color-text-muted); }
.ac-preview--not-matched .ac-preview-item-icon { color: var(--color-text-muted); }

.ac-preview--error { border-left: 4px solid var(--color-warning); border-color: var(--color-warning); }
.ac-preview--error .ac-preview-item-icon { color: var(--color-warning); }

.ac-preview-item-body { flex: 1; min-width: 0; }
.ac-preview-item-title { font-weight: 600; font-size: 15px; color: var(--color-text); }
.ac-preview-item-code { font-family: 'SF Mono', 'Consolas', 'Monaco', monospace; font-size: 13px; color: var(--color-text-muted); margin-top: 2px; }
.ac-preview-item-desc { font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }
.ac-preview-item-index { font-size: 12px; color: var(--color-text-muted); flex-shrink: 0; }

.ac-preview-summary {
    display: flex;
    gap: 32px;
    justify-content: center;
    margin-top: 20px;
    padding: 16px;
    background: var(--color-bg-light);
    border-radius: 8px;
}

.summary-stat {
    text-align: center;
}

.summary-label {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.summary-value {
    font-size: 28px;
    font-weight: 700;
}

/* ---- 结果区 ---- */
.ac-result-section {
    margin-top: 32px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.ac-result-header h2 {
    font-size: 18px;
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ac-result-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ac-result-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.ac-result-item-icon {
    font-size: 20px;
    flex-shrink: 0;
    padding-top: 2px;
}

.ac-result--success { background: #f1f8e9; border-left: 4px solid var(--color-success); }
.ac-result--success .ac-result-item-icon { color: var(--color-success); }

.ac-result--failure { background: #fff3f3; border-left: 4px solid var(--color-danger); }
.ac-result--failure .ac-result-item-icon { color: var(--color-danger); }

.ac-result-item-body { flex: 1; min-width: 0; }
.ac-result-item-title { font-weight: 600; font-size: 15px; }
.ac-result-item-code { font-family: 'SF Mono', 'Consolas', 'Monaco', monospace; font-size: 13px; color: var(--color-text-muted); margin-top: 2px; }
.ac-result-item-desc { font-size: 13px; color: var(--color-text); margin-top: 4px; word-break: break-all; }

/* ---- 响应式 ---- */
@media (max-width: 600px) {
    .activation-page {
        padding: 24px 12px 60px;
    }
    .ac-input-section,
    .ac-preview-section,
    .ac-result-section {
        padding: 16px;
    }
    .ac-preview-summary {
        gap: 16px;
    }
    .summary-value {
        font-size: 22px;
    }
}