/* ===========================
   悬浮教程球 - Agency设计风格
   =========================== */

/* 悬浮球 */
.guidance-tutorial-ball {
    position: fixed;
    bottom: 32px;
    right: 28px;
    width: 52px;
    height: 52px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 4px 18px rgba(0, 71, 43, .30);
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .22s cubic-bezier(.4, 0, .2, 1),
                box-shadow .22s ease,
                background .22s ease;
    user-select: none;
}

.guidance-tutorial-ball:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 24px rgba(0, 71, 43, .40);
    background: var(--color-primary-dark);
}

.guidance-tutorial-ball:active {
    transform: scale(.95);
}

.guidance-tutorial-ball i {
    font-size: 22px;
    color: #fff;
}

/* 脉冲动画 */
.guidance-tutorial-ball::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    opacity: .35;
    animation: guidance-ball-pulse 2.4s ease-out infinite;
}

@keyframes guidance-ball-pulse {
    0%   { transform: scale(1);   opacity: .35; }
    50%  { transform: scale(1.18); opacity: 0; }
    100% { transform: scale(1);   opacity: 0; }
}

/* 遮罩层 */
.guidance-tutorial-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.35);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity .28s ease, visibility .28s ease;
}

.guidance-tutorial-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

/* 抽屉面板 */
.guidance-tutorial-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 420px;
    max-width: 92vw;
    height: 100vh;
    background: var(--bg-surface);
    z-index: 2001;
    box-shadow: -4px 0 30px rgba(0,0,0,.12);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform .32s cubic-bezier(.4, 0, .2, 1);
}

.guidance-tutorial-drawer.is-open {
    transform: translateX(0);
}

/* 抽屉头部 */
.guidance-tutorial-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
}

.guidance-tutorial-drawer-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.guidance-tutorial-drawer-title i {
    color: var(--color-primary);
}

.guidance-tutorial-drawer-close {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-mute);
    font-size: 18px;
    transition: all .15s;
}

.guidance-tutorial-drawer-close:hover {
    background: #f3f4f6;
    color: var(--text-main);
}

/* 抽屉内容 */
.guidance-tutorial-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
    -webkit-overflow-scrolling: touch;
}

/* 教程列表项 */
.guidance-tutorial-item {
    display: block;
    padding: 14px 22px;
    text-decoration: none;
    border-bottom: 1px solid #f3f5f3;
    transition: background .15s;
}

.guidance-tutorial-item:hover {
    background: rgba(0, 71, 43, .03);
}

.guidance-tutorial-item-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.guidance-tutorial-item-title .am-badge {
    font-size: 10px;
    margin-left: 4px;
}

.guidance-tutorial-item-title .am-badge-warning {
    background: #f0ad4e;
}

.guidance-tutorial-item-meta {
    font-size: 12px;
    color: var(--text-mute);
    display: flex;
    gap: 14px;
}

.guidance-tutorial-item-meta i {
    margin-right: 3px;
}

/* 抽屉空状态 */
.guidance-tutorial-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-mute);
}

.guidance-tutorial-empty i {
    display: block;
    font-size: 40px;
    margin-bottom: 12px;
    color: var(--border-light);
}

/* 详情视图 */
.guidance-tutorial-detail {
    padding: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.guidance-tutorial-back {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 22px;
    border: none;
    background: none;
    color: var(--color-primary);
    font-size: 13px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    flex-shrink: 0;
    transition: background .15s;
}

.guidance-tutorial-back:hover {
    background: rgba(0, 71, 43, .05);
}

.guidance-tutorial-detail-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px 22px;
    -webkit-overflow-scrolling: touch;
}

.guidance-tutorial-detail-loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-mute);
    font-size: 14px;
}

.guidance-tutorial-detail-loading i {
    display: block;
    font-size: 32px;
    margin-bottom: 10px;
}

.guidance-tutorial-detail-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 12px;
    line-height: 1.5;
}

.guidance-tutorial-detail-info {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-mute);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.guidance-tutorial-detail-info i {
    margin-right: 4px;
}

.guidance-tutorial-detail-text {
    font-size: 14px;
    line-height: 1.85;
    color: var(--text-main);
    word-break: break-word;
}

.guidance-tutorial-detail-text img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.guidance-tutorial-detail-text table {
    max-width: 100%;
    border-collapse: collapse;
}

.guidance-tutorial-detail-text table td,
.guidance-tutorial-detail-text table th {
    border: 1px solid var(--border-light);
    padding: 8px 12px;
}

/* 抽屉底部 */
.guidance-tutorial-drawer-footer {
    padding: 14px 22px;
    border-top: 1px solid var(--border-light);
    flex-shrink: 0;
}

.guidance-tutorial-drawer-footer a {
    display: block;
    text-align: center;
    padding: 10px;
    font-size: 13px;
    color: var(--color-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    background: rgba(0, 71, 43, .05);
    font-weight: 500;
    transition: background .15s;
}

.guidance-tutorial-drawer-footer a:hover {
    background: rgba(0, 71, 43, .1);
}

/* ===========================
   响应式
   =========================== */
@media (max-width: 640px) {
    .guidance-tutorial-ball {
        bottom: 80px;
        right: 16px;
        width: 46px;
        height: 46px;
    }

    .guidance-tutorial-ball i {
        font-size: 20px;
    }

    .guidance-tutorial-drawer {
        width: 100vw;
        max-width: 100vw;
    }
}