/* 直播间核心样式 - 沉浸式电影感 */
#live-room-screen {
    background-color: #000;
    color: #fff;
    overflow: hidden;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* 背景层 */
.live-bg-layer {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.6) blur(0px); /* 稍微压暗背景 */
    transition: all 0.5s ease;
}

/* 电影遮罩 (Letterbox) - 营造电影感 */
.live-letterbox {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    background: linear-gradient(to bottom, 
        rgba(0,0,0,0.8) 0%, 
        rgba(0,0,0,0) 15%, 
        rgba(0,0,0,0) 85%, 
        rgba(0,0,0,0.9) 100%
    );
}

/* 顶部信息栏 */
.live-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 15px 20px;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
}

.live-host-info {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.4);
    padding: 4px 12px 4px 4px;
    border-radius: 20px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.1);
}

.live-host-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #ff4757; /* 活跃状态圈 */
    margin-right: 8px;
}

.live-host-text {
    display: flex;
    flex-direction: column;
}

.live-host-name {
    font-size: 12px;
    font-weight: 600;
    line-height: 1.2;
}

.live-host-hot {
    font-size: 10px;
    color: #ddd;
    line-height: 1.2;
}

.live-close-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
    border-radius: 50%;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
}

/* 核心舞台区 - 文字流 */
.live-stage {
    position: absolute;
    top: 25%;
    left: 10%;
    width: 80%;
    z-index: 5;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

/* 动作描写 - 电影字幕风格 */
.live-action-text {
    font-family: 'Songti SC', 'SimSun', serif; /* 衬线体 */
    font-size: 22px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.live-action-text.show {
    opacity: 1;
    transform: translateY(0);
}

/* 主播语音 - 高亮气泡 */
.live-speech-bubble {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    padding: 12px 20px;
    border-radius: 16px;
    font-size: 16px;
    color: #fff;
    max-width: 90%;
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.live-speech-bubble.show {
    opacity: 1;
    transform: scale(1);
}

/* 弹幕区 - 极简风格 */
.live-danmaku-area {
    position: absolute;
    bottom: 100px;
    left: 15px;
    width: 70%;
    height: 200px;
    z-index: 8;
    overflow: hidden;
    mask-image: linear-gradient(to top, black 60%, transparent 100%);
    -webkit-mask-image: linear-gradient(to top, black 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 8px;
}

.live-danmaku-item {
    font-size: 13px;
    color: rgba(255,255,255,0.8);
    text-shadow: 0 1px 2px rgba(0,0,0,0.8);
    animation: slideInLeft 0.3s ease-out;
    display: flex;
    align-items: center;
    gap: 5px;
}

.live-danmaku-name {
    color: rgba(255,255,255,0.5);
    font-size: 12px;
}

.live-danmaku-content {
    background: rgba(0,0,0,0.2);
    padding: 2px 8px;
    border-radius: 10px;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

/* 底部操作栏 */
.live-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px 20px 30px; /* 适配全面屏底部 */
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 15px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
}

.live-input-box {
    flex: 1;
    height: 40px;
    background: rgba(255,255,255,0.15);
    border-radius: 20px;
    display: flex;
    align-items: center;
    padding: 0 15px;
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    backdrop-filter: blur(5px);
    cursor: text;
}

.live-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
    cursor: pointer;
    transition: transform 0.1s;
}

.live-btn:active {
    transform: scale(0.9);
}

.live-gift-btn {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 99%, #fecfef 100%);
    color: #d63384;
}

/* 礼物特效容器 */
.live-gift-effect-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
}

.live-gift-toast {
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    border: 1px solid #ff4757;
    box-shadow: 0 0 20px rgba(255, 71, 87, 0.5);
    animation: popInAndOut 3s forwards;
}

@keyframes popInAndOut {
    0% { transform: scale(0); opacity: 0; }
    10% { transform: scale(1.1); opacity: 1; }
    20% { transform: scale(1); }
    80% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(-50px); }
}