/* 移动端模态框样式 */
/* 版本: v1.0 */
/* 说明: 流派模态框、筛选模态框等弹窗组件样式 */

/* 动画定义 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* 流派模态框 */
.m-genre-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
}

.m-genre-modal.active {
    display: block;
}

.m-genre-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fadeIn .3s;
}

.m-genre-modal-content {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 70vh;
    background: var(--app-surface);
    border-radius: 20px 20px 0 0;
    animation: slideUp .3s cubic-bezier(.4,0,.2,1);
    display: flex;
    flex-direction: column;
}

.m-genre-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--app-border);
    flex-shrink: 0;
}

.m-genre-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--app-text-primary);
}

.m-genre-modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.08);
    color: var(--app-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .2s;
}

.m-genre-modal-close:active {
    background: rgba(255,255,255,.12);
    transform: scale(.9);
}

.m-genre-modal-body {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    flex: 1;
}

.m-genre-modal-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--app-border);
    color: var(--app-text-primary);
    font-size: 16px;
    text-decoration: none;
    transition: background .2s;
}

.m-genre-modal-item:last-child {
    border-bottom: none;
}

.m-genre-modal-item:active {
    background: rgba(255,255,255,.03);
}

.m-genre-modal-item span:first-child {
    flex: 1;
}

.m-genre-modal-count {
    font-size: 14px;
    color: var(--app-text-tertiary);
}

.m-genre-modal-item i {
    font-size: 16px;
    color: transparent;
    flex-shrink: 0;
}

.m-genre-modal-item.active {
    color: var(--app-accent);
}

.m-genre-modal-item.active i {
    color: var(--app-accent);
}

/* 筛选模态框 */
.m-filter-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
}

.m-filter-modal.active {
    display: block;
}

.m-filter-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fadeIn .3s;
}

.m-filter-modal-content {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 75vh;
    background: var(--app-surface);
    border-radius: 20px 20px 0 0;
    animation: slideUp .3s cubic-bezier(.4,0,.2,1);
    display: flex;
    flex-direction: column;
    box-shadow: 0 -4px 24px rgba(0,0,0,.4);
}

.m-filter-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--app-border);
    flex-shrink: 0;
}

.m-filter-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--app-text-primary);
}

.m-filter-modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.08);
    color: var(--app-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .2s;
}

.m-filter-modal-close:active {
    background: rgba(255,255,255,.12);
    transform: scale(.9);
}

.m-filter-modal-body {
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    flex: 1;
    padding: 20px;
}

.m-filter-modal-section {
    margin-bottom: 24px;
}

.m-filter-modal-section:last-child {
    margin-bottom: 0;
}

.m-filter-modal-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--app-text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.m-filter-modal-chips {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 8px;
}

.m-filter-modal-chip {
    height: 36px;
    padding: 0 8px;
    border-radius: 18px;
    border: 1px solid var(--app-border);
    background: var(--app-surface-hover);
    color: var(--app-text-primary);
    font-size: 13px;
    font-weight: 500;
    transition: all .2s;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.m-filter-modal-chip:active {
    transform: scale(.95);
}

.m-filter-modal-chip.active {
    background: var(--app-accent);
    border-color: var(--app-accent);
    color: #fff;
}

.m-filter-modal-range {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.m-filter-modal-input {
    width: 100%;
    height: 44px;
    padding: 0 12px;
    border-radius: 12px;
    border: 1px solid var(--app-border);
    background: var(--app-bg-secondary);
    color: var(--app-text-primary);
    font-size: 14px;
    outline: none;
    transition: all .2s;
    box-sizing: border-box;
}

.m-filter-modal-input:focus {
    border-color: var(--app-accent);
}

.m-filter-modal-input::placeholder {
    color: var(--app-text-tertiary);
    font-size: 13px;
}

.m-filter-modal-footer {
    padding: 16px 20px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--app-border);
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 12px;
    flex-shrink: 0;
}