/* ============================================
   留言弹幕墙
   ============================================ */

/* 弹幕区容器 */
.message-wall {
    position: relative;
    overflow: hidden;
    min-height: 480px;
}

.message-wall .container {
    position: relative;
    z-index: 2;
}

/* 弹幕画布 */
.danmaku-stage {
    position: relative;
    width: 100%;
    height: 360px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: rgba(10, 10, 30, 0.6);
    border: 1px solid var(--border-subtle);
    margin-bottom: var(--space-2xl);
}

/* 微妙的网格背景 */
.danmaku-stage::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

/* 左右渐变遮罩：让弹幕淡入淡出 */
.danmaku-stage::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
            rgba(5, 5, 16, 0.95) 0%,
            transparent 8%,
            transparent 92%,
            rgba(5, 5, 16, 0.95) 100%);
    pointer-events: none;
    z-index: 2;
}

/* 单条弹幕气泡 */
.danmaku-item {
    position: absolute;
    white-space: nowrap;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    pointer-events: none;
    z-index: 1;
    will-change: transform;
    animation: danmaku-scroll var(--speed, 12s) linear forwards;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 弹幕头像 emoji */
.danmaku-avatar {
    font-size: 16px;
    line-height: 1;
    flex-shrink: 0;
}

/* 弹幕昵称 */
.danmaku-nick {
    color: var(--accent-secondary);
    font-weight: 600;
    font-size: var(--text-xs);
    margin-right: 2px;
}

/* 弹幕内容 */
.danmaku-text {
    opacity: 0.9;
}

/* 不同颜色变体 */
.danmaku-item[data-color="indigo"] {
    border-color: rgba(79, 70, 229, 0.25);
    background: rgba(79, 70, 229, 0.1);
    box-shadow: 0 0 12px rgba(79, 70, 229, 0.08);
}

.danmaku-item[data-color="cyan"] {
    border-color: rgba(6, 182, 212, 0.25);
    background: rgba(6, 182, 212, 0.1);
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.08);
}

.danmaku-item[data-color="emerald"] {
    border-color: rgba(16, 185, 129, 0.25);
    background: rgba(16, 185, 129, 0.1);
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.08);
}

.danmaku-item[data-color="amber"] {
    border-color: rgba(245, 158, 11, 0.25);
    background: rgba(245, 158, 11, 0.1);
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.08);
}

.danmaku-item[data-color="violet"] {
    border-color: rgba(139, 92, 246, 0.25);
    background: rgba(139, 92, 246, 0.1);
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.08);
}

.danmaku-item[data-color="rose"] {
    border-color: rgba(244, 63, 94, 0.25);
    background: rgba(244, 63, 94, 0.1);
    box-shadow: 0 0 12px rgba(244, 63, 94, 0.08);
}

/* 访客发送的弹幕高亮 */
.danmaku-item[data-user="true"] {
    border-color: rgba(79, 70, 229, 0.4);
    background: rgba(79, 70, 229, 0.15);
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.12);
}

/* 弹幕飘动动画 */
@keyframes danmaku-scroll {
    from {
        transform: translateX(0);
        opacity: 0;
    }

    3% {
        opacity: 1;
    }

    97% {
        opacity: 1;
    }

    to {
        transform: translateX(calc(-100% - 100vw));
        opacity: 0;
    }
}

/* ============================
   输入区域
   ============================ */
.danmaku-input-area {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    max-width: 680px;
    margin: 0 auto;
}

.danmaku-input-group {
    flex: 1;
    display: flex;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-full);
    padding: 6px 8px;
    transition: border-color var(--transition-base);
}

.danmaku-input-group:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.1);
}

.danmaku-nick-input {
    width: 90px;
    background: rgba(255, 255, 255, 0.06);
    border: none;
    border-radius: var(--radius-full);
    padding: 8px 14px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    outline: none;
    flex-shrink: 0;
}

.danmaku-nick-input::placeholder {
    color: var(--text-tertiary);
}

.danmaku-msg-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 8px 12px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    outline: none;
    min-width: 0;
}

.danmaku-msg-input::placeholder {
    color: var(--text-tertiary);
}

.danmaku-send-btn {
    flex-shrink: 0;
    padding: 10px 24px;
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.danmaku-send-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
}

.danmaku-send-btn:active {
    transform: translateY(0);
}

/* 发送成功提示 */
.danmaku-toast {
    position: fixed;
    top: calc(var(--nav-height) + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: rgba(16, 185, 129, 0.9);
    color: #fff;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    backdrop-filter: blur(8px);
}

.danmaku-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 弹幕统计 */
.danmaku-stats {
    text-align: center;
    margin-top: var(--space-md);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.danmaku-stats span {
    color: var(--accent-secondary);
    font-weight: 600;
}

/* ============================
   响应式
   ============================ */
@media (max-width: 768px) {
    .danmaku-stage {
        height: 280px;
        border-radius: var(--radius-md);
    }

    .danmaku-input-area {
        flex-direction: column;
    }

    .danmaku-input-group {
        width: 100%;
        border-radius: var(--radius-md);
    }

    .danmaku-nick-input {
        width: 80px;
    }

    .danmaku-send-btn {
        width: 100%;
        border-radius: var(--radius-md);
        padding: 12px;
    }

    .danmaku-item {
        font-size: var(--text-xs);
        padding: 6px 12px;
    }
}

@media (max-width: 480px) {
    .danmaku-stage {
        height: 220px;
    }
}