/* 投影机画面亮度模拟器 · 与主站亮色系对齐 */
.tool-page--projector {
    padding-bottom: 48px;
}
.tool-page--projector .tool-page__inner {
    margin-bottom: 20px;
}
.tool-page--projector .tool-page__inner:last-child {
    margin-bottom: 0;
    margin-top: 20px;
}

.vp-sim {
    --vp-accent: var(--tool-brand, #00a0e9);
    --vp-accent-deep: var(--tool-brand-dark, #0088cc);
    --vp-panel: #ffffff;
    --vp-panel-title: #f1f4f7;
    --vp-panel-w: 308px;
    --vp-view-left: 0px;
    --vp-view-right: var(--vp-panel-w);
    position: relative;
    max-width: calc(var(--content, 1200px) - 2 * var(--pad-x, 24px));
    width: calc(100% - 2 * var(--pad-x, 24px));
    margin: 0 auto;
    height: min(640px, 72vh);
    min-height: 480px;
    border-radius: 4px;
    overflow: hidden;
    background: #eef2f5;
    border: 1px solid var(--tool-border, #d5dde5);
    box-shadow: none;
}
.vp-sim.is-collapsed {
    --vp-view-right: 28px;
}

.vp-sim__stage {
    position: absolute;
    inset: 0;
    overflow: hidden;
}
.vp-sim__bg {
    position: absolute;
    left: 0;
    top: 0;
    width: calc(100% - var(--vp-view-right));
    height: 100%;
    object-fit: contain;
    object-position: center center;
    transition: filter .35s ease, opacity .35s ease, width .3s ease;
    user-select: none;
    background: #eef2f5;
}
.vp-sim__ambient {
    position: absolute;
    left: 0;
    top: 0;
    width: calc(100% - var(--vp-view-right));
    height: 100%;
    pointer-events: none;
    background: rgba(0, 0, 0, 0);
    transition: background .35s ease, width .3s ease;
}

.vp-sim__screen {
    position: absolute;
    left: calc((100% - var(--vp-view-right)) * .5);
    top: 42%;
    width: 38%;
    max-width: calc((100% - var(--vp-view-right)) * .72);
    aspect-ratio: 16 / 9;
    transform: translate(-50%, -50%);
    transition: width .35s ease, top .35s ease;
    z-index: 2;
}
.vp-sim__screen.is-home-living { top: 44%; }
.vp-sim__screen.is-home-theater { top: 40%; }
.vp-sim__screen.is-home-bedroom { top: 42%; }
.vp-sim__screen-frame {
    position: relative;
    width: 100%;
    height: 100%;
    /* 投影光斑外溢，不用实线边框 */
    box-shadow: 0 0 28px rgba(255, 248, 235, .12), 0 10px 32px rgba(15, 32, 48, .16);
    background: transparent;
    overflow: visible;
    border-radius: 0;
}
.vp-sim__canvas {
    display: block;
    width: 100%;
    height: 100%;
    /* 投影叠在墙面/幕布上，略透一点才像光斑而非贴图 */
    opacity: .86;
    /* 四边轻微羽化：真实投影没有锐利裁切边 */
    -webkit-mask-image:
        linear-gradient(to right, transparent 0%, #000 3.2%, #000 96.8%, transparent 100%),
        linear-gradient(to bottom, transparent 0%, #000 4.5%, #000 95.5%, transparent 100%);
    -webkit-mask-composite: source-in;
    mask-image:
        linear-gradient(to right, transparent 0%, #000 3.2%, #000 96.8%, transparent 100%),
        linear-gradient(to bottom, transparent 0%, #000 4.5%, #000 95.5%, transparent 100%);
    mask-composite: intersect;
}
.vp-sim__dim {
    position: absolute;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .08em;
    text-shadow: 0 1px 4px rgba(15, 32, 48, .55);
    white-space: nowrap;
    pointer-events: none;
}
.vp-sim__dim--w {
    left: 50%;
    bottom: -22px;
    transform: translateX(-50%);
}
.vp-sim__dim--h {
    right: -10px;
    top: 50%;
    transform: translate(100%, -50%);
    writing-mode: horizontal-tb;
}

.vp-sim__ribbon {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 5;
    width: auto;
    height: auto;
    overflow: visible;
    pointer-events: none;
}
.vp-sim__ribbon::before {
    content: "推荐方案";
    position: static;
    display: inline-block;
    top: auto;
    right: auto;
    width: auto;
    padding: 6px 12px;
    background: var(--vp-accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .12em;
    text-align: center;
    transform: none;
    border-radius: 2px;
    box-shadow: none;
}
.vp-sim__ribbon[hidden] { display: none !important; }

.vp-sim__result {
    position: absolute;
    left: 16px;
    bottom: 16px;
    right: auto;
    z-index: 5;
    min-width: 188px;
    padding: 14px 16px 12px;
    background: rgba(255, 255, 255, .94);
    color: var(--tool-ink, #1f2933);
    border-radius: 4px;
    border: 1px solid var(--tool-border, #d5dde5);
    border-left: 3px solid var(--vp-accent);
    backdrop-filter: blur(6px);
    box-shadow: 0 8px 24px rgba(15, 32, 48, .1);
}
.vp-sim__result-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--tool-muted, #6b7785);
    margin-bottom: 4px;
}
.vp-sim__result-value {
    font-size: 30px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: .01em;
    font-variant-numeric: tabular-nums;
    color: var(--vp-accent);
}
.vp-sim__star {
    font-size: 16px;
    vertical-align: super;
    margin-left: 2px;
}
.vp-sim__result-note {
    margin-top: 4px;
    font-size: 11px;
    color: var(--tool-muted, #6b7785);
}

/* 右侧控制面板 */
.vp-sim__panel {
    position: absolute;
    right: 0;
    left: auto;
    top: 0;
    bottom: 0;
    z-index: 8;
    width: 308px;
    padding: 14px 12px 18px;
    background: var(--vp-panel);
    color: var(--tool-ink, #1f2933);
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform .3s ease, opacity .3s ease;
    scrollbar-width: thin;
    scrollbar-color: rgba(15, 32, 48, .2) transparent;
    border-left: 1px solid var(--tool-border, #d5dde5);
}
.vp-sim.is-collapsed .vp-sim__panel {
    transform: translateX(calc(100% - 28px));
}
.vp-sim.is-collapsed .vp-sim__panel .vp-block,
.vp-sim.is-collapsed .vp-sim__panel .vp-block__body {
    opacity: 0;
    pointer-events: none;
}

.vp-sim__collapse {
    position: absolute;
    top: 50%;
    left: -1px;
    right: auto;
    z-index: 9;
    transform: translate(-100%, -50%);
    width: 28px;
    height: 56px;
    border: 0;
    border-radius: 4px 0 0 4px;
    background: var(--vp-panel);
    color: var(--tool-muted, #6b7785);
    cursor: pointer;
    font-size: 14px;
    border: 1px solid var(--tool-border, #d5dde5);
    border-right: 0;
}
.vp-sim.is-collapsed .vp-sim__collapse i {
    transform: rotate(180deg);
    display: inline-block;
}

.vp-block {
    margin-bottom: 10px;
    border: 1px solid var(--tool-border, #d5dde5);
    border-radius: 2px;
    overflow: hidden;
}
.vp-block:last-child {
    margin-bottom: 0;
}
.vp-block__title {
    margin: 0;
    padding: 9px 12px;
    background: var(--vp-panel-title);
    border-radius: 0;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--tool-muted, #6b7785);
    border-bottom: 1px solid var(--tool-border, #d5dde5);
}
.vp-block__body {
    padding: 12px 10px 14px;
    background: transparent;
    border-radius: 0;
}
.vp-block__body--row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-left: 12px;
    padding-right: 12px;
}
.vp-light-label {
    font-size: 13px;
    font-weight: 600;
}

.vp-carousel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
    min-height: 36px;
}
.vp-carousel__label {
    flex: 1;
    text-align: center;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: .04em;
}
.vp-carousel__arrow {
    width: 30px;
    height: 30px;
    border: 1px solid var(--tool-border, #d5dde5);
    border-radius: 2px;
    background: #f7f9fb;
    color: var(--tool-ink, #1f2933);
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
}
.vp-carousel__arrow:hover {
    color: var(--vp-accent);
    border-color: var(--vp-accent);
    background: var(--tool-brand-light, #e8f6fc);
}

.vp-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-start;
}
.vp-pill {
    min-width: 0;
    height: 32px;
    padding: 0 12px;
    border: 1px solid var(--tool-border, #d5dde5);
    border-radius: 2px;
    background: #f7f9fb;
    color: var(--tool-ink, #1f2933);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, border-color .15s, color .15s;
}
.vp-pill:hover {
    border-color: var(--vp-accent);
    color: var(--vp-accent);
    background: var(--tool-brand-light, #e8f6fc);
}
.vp-pill.is-active {
    background: var(--vp-accent);
    border-color: var(--vp-accent);
    color: #fff;
}

.vp-toggle {
    position: relative;
    display: inline-flex;
    width: 88px;
    height: 30px;
    border-radius: 2px;
    background: #e8edf2;
    cursor: pointer;
    user-select: none;
    overflow: hidden;
}
.vp-toggle__on,
.vp-toggle__off {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 800;
    color: #9aa5b1;
    z-index: 1;
    transition: color .15s;
}
.vp-toggle[aria-checked="true"] .vp-toggle__on,
.vp-toggle[aria-checked="false"] .vp-toggle__off {
    color: #fff;
}
.vp-toggle__knob {
    position: absolute;
    top: 2px;
    left: 2px;
    width: calc(50% - 2px);
    height: calc(100% - 4px);
    border-radius: 1px;
    background: var(--vp-accent);
    transition: transform .2s ease;
    z-index: 0;
}
.vp-toggle[aria-checked="false"] .vp-toggle__knob {
    transform: translateX(100%);
}

.vp-input-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}
.vp-input-row:last-child { margin-bottom: 0; }
.vp-input-row label {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}
.vp-input-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}
.vp-input-wrap input {
    width: 96px;
    height: 32px;
    padding: 0 10px;
    border: 1px solid var(--tool-border, #d5dde5);
    border-radius: 2px;
    background: #fff;
    color: var(--tool-ink, #1f2933);
    font: inherit;
    font-weight: 700;
    text-align: right;
}
.vp-input-wrap input:focus {
    outline: none;
    border-color: var(--vp-accent);
    box-shadow: 0 0 0 2px rgba(0, 160, 233, .15);
}
.vp-input-wrap em {
    font-style: normal;
    font-size: 13px;
    font-weight: 600;
    min-width: 22px;
    color: var(--tool-muted, #6b7785);
}

.vp-disclaimer {
    display: flex;
    gap: 12px;
    margin-top: 0;
    padding: 14px 16px;
    background: var(--tool-panel, #fbfcfd);
    border: 1px solid var(--tool-border, #d3d9e0);
    border-left: 3px solid #d97706;
    border-radius: 4px;
    color: #667788;
    font-size: 12px;
    line-height: 1.75;
    box-shadow: none;
}
.vp-disclaimer > .fa {
    margin-top: 2px;
    color: #d97706;
    font-size: 16px;
}
.vp-disclaimer strong {
    display: block;
    margin-bottom: 4px;
    color: var(--tool-ink, #1f2933);
    font-size: 13px;
}
.vp-disclaimer ul {
    margin: 0;
    padding-left: 18px;
}

@media (max-width: 900px) {
    .tool-page--projector .tool-page__inner {
        margin-bottom: 16px;
        padding: 0 var(--pad-x-sm, 16px);
    }
    .tool-page--projector .tool-page__inner:last-child {
        margin-top: 16px;
    }
    .vp-sim {
        --vp-view-right: 0px;
        width: calc(100% - 2 * var(--pad-x-sm, 16px));
        max-width: calc(var(--content, 1200px) - 2 * var(--pad-x-sm, 16px));
        height: auto;
        min-height: 0;
        display: flex;
        flex-direction: column;
    }
    .vp-sim__stage {
        position: relative;
        height: 420px;
    }
    .vp-sim__bg,
    .vp-sim__ambient {
        left: 0;
        width: 100%;
    }
    .vp-sim__screen {
        left: 50%;
        max-width: 72%;
    }
    .vp-sim__panel {
        position: relative;
        width: 100%;
        max-height: none;
        padding: 16px 14px 18px;
        transform: none !important;
        border-left: 0;
        border-top: 1px solid var(--tool-border, #d5dde5);
    }
    .vp-sim.is-collapsed .vp-sim__panel {
        transform: none !important;
    }
    .vp-sim.is-collapsed .vp-sim__panel .vp-block,
    .vp-sim.is-collapsed .vp-sim__panel .vp-block__body {
        opacity: 1;
        pointer-events: auto;
    }
    .vp-sim__collapse { display: none; }
    .vp-sim__screen { width: 48%; }
    .vp-sim__result {
        left: 12px;
        bottom: 12px;
        min-width: 150px;
        padding: 10px 12px;
    }
    .vp-sim__result-value { font-size: 24px; }
    .vp-sim__ribbon {
        top: 12px;
        left: 12px;
    }
}