/* ======================================================================
 *  old-photo-restore.css · 老照片修复
 *  视觉：旧相纸米色 + 胶片棕 + 暗房红光点缀；编辑台像暗房工作桌
 *  作用域：.tsk.opr（前缀 opr-）
 * ====================================================================== */

.tsk.opr {
    --tsk-bg: #f6f1e6;
    --tsk-bg-2: #ece4d4;
    --tsk-card: #fffcf4;
    --tsk-card-2: #f8f2e4;
    --tsk-ink: #2a231c;
    --tsk-sub: #66594a;
    --tsk-faint: #988a77;
    --tsk-line: #e5dbc6;
    --tsk-line-2: #f1e9d8;
    --tsk-brand: #9a6a3a;
    --tsk-brand-2: #6f4723;
    --tsk-brand-soft: #f4e8d4;
    --tsk-brand-ink: #7a4f26;
    --tsk-accent: #a8432f;
    --tsk-ok: #4f7a42;
    --tsk-ok-soft: #eaf1e2;
    --tsk-warn: #9c6a12;
    --tsk-warn-soft: #fbf0d9;
    --tsk-bad: #a53b31;
    --tsk-bad-soft: #f8e6e2;
    --tsk-shadow-sm: 0 1px 2px rgba(42, 35, 28, .05), 0 7px 18px rgba(42, 35, 28, .06);
    --tsk-shadow: 0 2px 8px rgba(42, 35, 28, .08), 0 22px 46px rgba(42, 35, 28, .1);
    background:
        radial-gradient(640px 300px at 102% -10%, rgba(168, 67, 47, .09), transparent 62%),
        radial-gradient(480px 240px at -8% 8%, rgba(154, 106, 58, .09), transparent 60%),
        linear-gradient(180deg, #f8f3e9 0%, #f2ecdd 100%);
}

:root[data-theme="dark"] .tsk.opr {
    --tsk-bg: #14110d;
    --tsk-bg-2: #1c1812;
    --tsk-card: #211c16;
    --tsk-card-2: #29231b;
    --tsk-ink: #f2e8d8;
    --tsk-sub: #bfae96;
    --tsk-faint: #8d7f69;
    --tsk-line: #3a3126;
    --tsk-line-2: #2d261d;
    --tsk-brand: #d6a066;
    --tsk-brand-2: #eac08c;
    --tsk-brand-soft: rgba(214, 160, 102, .14);
    --tsk-brand-ink: #e8c18e;
    --tsk-accent: #d97a63;
    --tsk-ok: #93c286;
    --tsk-ok-soft: rgba(147, 194, 134, .13);
    --tsk-warn: #e5bb63;
    --tsk-warn-soft: rgba(229, 187, 99, .13);
    --tsk-bad: #f09a8c;
    --tsk-bad-soft: rgba(240, 154, 140, .13);
    --tsk-shadow-sm: 0 1px 2px rgba(0, 0, 0, .5), 0 7px 18px rgba(0, 0, 0, .3);
    --tsk-shadow: 0 2px 8px rgba(0, 0, 0, .55), 0 22px 46px rgba(0, 0, 0, .42);
    background: #14110d;
}

/* ---------- 1. 首屏等高栅格 ---------- */
.opr-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 394px;
    gap: 30px;
    padding: 30px 0 24px;
    align-items: stretch;
}
.opr-hero-l {
    display: flex;
    flex-direction: column;
}
.opr-hero-l > .tsk-hs {
    flex: 1 1 auto;
}
@media (max-width: 900px) {
    .opr-hero {
        grid-template-columns: 1fr;
    }
}
.opr-hero-r {
    min-width: 0;
}

/* ---------- 2. 首屏文字 ---------- */
.opr .tsk-kicker {
    background: #f4e8d4;
    color: #7a4f26;
}
.opr .tsk-h1 b {
    color: var(--tsk-brand-ink);
    border-bottom: 3px solid rgba(154, 106, 58, .22);
}
.opr .tsk-lead b {
    color: var(--tsk-brand-ink);
}
.opr .tsk-chips span {
    background: #fffcf4;
    border-color: #e5dbc6;
}

/* 诚实提示 */
.opr-honest {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    padding: 11px 13px;
    border: 1px solid var(--tsk-line);
    border-left: 3px solid var(--tsk-accent);
    border-radius: 6px;
    background: #fff8ec;
    font-size: 12px;
    line-height: 1.7;
}
.opr-honest b {
    flex: 0 0 62px;
    color: var(--tsk-accent);
}
.opr-honest span {
    color: var(--tsk-sub);
}

/* ---------- 3. 控制台 ---------- */
.opr-panel {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--tsk-card);
    border: 1px solid var(--tsk-line);
    border-radius: 12px;
    box-shadow: var(--tsk-shadow);
    overflow: hidden;
}
.opr-panel-hd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 17px;
    background: linear-gradient(120deg, #6f4723, #9a6a3a);
    color: #fff;
}
.opr-panel-hd b {
    font-size: 13.5px;
}
.opr-panel-hd i {
    font: 700 9.5px/1 var(--tsk-num);
    letter-spacing: .14em;
    opacity: .85;
}
.opr-panel-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 14px 16px 16px;
    flex: 1 1 auto;
}

/* 拖拽区：胶片齿孔 */
.opr-drop {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 20px 14px 18px;
    border: 1px dashed #c9b699;
    border-radius: 8px;
    background:
        repeating-linear-gradient(90deg, rgba(154, 106, 58, .06) 0 2px, transparent 2px 14px),
        var(--tsk-card-2);
    cursor: pointer;
    text-align: center;
    transition: border-color .16s, background .16s;
}
.opr-drop:hover,
.opr-drop.over {
    border-color: var(--tsk-brand);
    background-color: #fbf3e3;
}
.opr-drop-ic {
    font-size: 24px;
    line-height: 1;
    filter: grayscale(.15);
}
.opr-drop b {
    font-size: 13px;
    color: var(--tsk-ink);
}
.opr-drop small {
    font-size: 10.5px;
    color: var(--tsk-faint);
    line-height: 1.55;
}

/* 文件信息 */
.opr-meta {
    display: grid;
    grid-template-columns: 1.3fr .9fr .9fr;
    gap: 6px;
}
.opr-meta div {
    padding: 7px 9px;
    border: 1px solid var(--tsk-line);
    border-radius: 6px;
    background: var(--tsk-card-2);
    min-width: 0;
}
.opr-meta span {
    display: block;
    font-size: 10px;
    color: var(--tsk-faint);
}
.opr-meta b {
    display: block;
    margin-top: 2px;
    font: 700 11px/1.5 var(--tsk-num);
    color: var(--tsk-ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 控件 */
.opr-row2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.opr-field {
    min-width: 0;
}
.opr-field > label,
.opr-lab {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 4px;
    font-size: 11px;
    font-weight: 800;
    color: var(--tsk-sub);
}
.opr-field label b {
    font: 800 12px/1 var(--tsk-num);
    color: var(--tsk-brand-ink);
}
.opr-select {
    width: 100%;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--tsk-line);
    border-radius: 6px;
    background: var(--tsk-card);
    color: var(--tsk-ink);
    font-size: 12px;
    outline: none;
}
.opr-select:focus {
    border-color: var(--tsk-brand);
    box-shadow: 0 0 0 3px var(--tsk-brand-soft);
}
.opr-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 32px;
    cursor: pointer;
}
.opr-switch input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.opr-switch span {
    width: 34px;
    height: 18px;
    border-radius: 99px;
    background: var(--tsk-line);
    position: relative;
    transition: background .16s;
    flex: 0 0 auto;
}
.opr-switch span::after {
    content: "";
    position: absolute;
    left: 2px;
    top: 2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    transition: transform .16s;
}
.opr-switch input:checked + span {
    background: var(--tsk-brand);
}
.opr-switch input:checked + span::after {
    transform: translateX(16px);
}
.opr-switch b {
    font-size: 11.5px;
    color: var(--tsk-sub);
}

/* 滑杆 */
.opr-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 99px;
    background: linear-gradient(90deg, #d8c1a1, var(--tsk-brand));
    outline: none;
}
.opr-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--tsk-brand);
    box-shadow: 0 2px 6px rgba(111, 71, 35, .3);
    cursor: pointer;
}
.opr-range::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--tsk-brand);
    cursor: pointer;
}
.opr-err {
    padding: 8px 11px;
    border: 1px solid rgba(165, 59, 49, .26);
    border-radius: 6px;
    background: var(--tsk-bad-soft);
    color: var(--tsk-bad);
    font-size: 11.5px;
    line-height: 1.65;
}
.opr-acts {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
}
.opr-acts .tsk-btn-main {
    flex: 1 1 100%;
}
.opr-ghost {
    flex: 1 1 0;
    padding: 7px 8px;
    font-size: 11.5px;
}
.opr-foot {
    font-size: 10.5px;
    line-height: 1.6;
    color: var(--tsk-faint);
    text-align: center;
}

/* ---------- 4. 前后对比 ---------- */
.opr-compare {
    margin: 4px 0 24px;
    padding: 16px 18px 18px;
    border: 1px solid var(--tsk-line);
    border-radius: 12px;
    background: var(--tsk-card);
    box-shadow: var(--tsk-shadow-sm);
}
.opr-compare-hd {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    padding-bottom: 11px;
    border-bottom: 1px solid var(--tsk-line-2);
}
.opr-compare-hd b {
    display: block;
    font-size: 13px;
}
.opr-compare-hd span {
    display: block;
    margin-top: 2px;
    font-size: 11px;
    color: var(--tsk-faint);
}
.opr-compare-tags {
    display: flex;
    gap: 6px;
    margin-left: auto;
}
.opr-tag-raw,
.opr-tag-new {
    padding: 2px 9px;
    border-radius: 3px;
    font-size: 10.5px;
}
.opr-tag-raw {
    background: var(--tsk-line-2);
    color: var(--tsk-sub);
}
.opr-tag-new {
    background: var(--tsk-brand-soft);
    color: var(--tsk-brand-ink);
}
.opr-ba {
    position: relative;
    margin-top: 12px;
    border-radius: 8px;
    overflow: hidden;
    background:
        linear-gradient(45deg, rgba(0, 0, 0, .04) 25%, transparent 25%) 0 0 / 16px 16px,
        linear-gradient(-45deg, rgba(0, 0, 0, .04) 25%, transparent 25%) 0 8px / 16px 16px,
        #17130f;
    min-height: 260px;
    user-select: none;
}
.opr-ba img,
.opr-ba canvas {
    display: block;
    width: 100%;
    height: auto;
}
.opr-ba img {
    position: relative;
}
.opr-ba-clip {
    position: absolute;
    inset: 0;
    width: 100%;
    overflow: hidden;
    pointer-events: none;
}
.opr-ba-clip canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.opr-ba-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: rgba(255, 255, 255, .8);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, .18);
    pointer-events: none;
}
.opr-ba-line i {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 28px;
    height: 28px;
    margin: -14px 0 0 -14px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--tsk-brand);
}
.opr-ba-tag {
    position: absolute;
    right: 10px;
    bottom: 10px;
    padding: 3px 9px;
    border-radius: 3px;
    background: rgba(122, 79, 38, .88);
    color: #fff;
    font-size: 10.5px;
    pointer-events: none;
}
.opr-compare-ctl {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 11px;
}
.opr-compare-ctl input {
    flex: 1 1 auto;
    accent-color: var(--tsk-brand);
}
.opr-compare-note {
    margin-top: 8px;
    font-size: 11px;
    line-height: 1.6;
    color: var(--tsk-faint);
}

/* ---------- 5. 处理链对照表 ---------- */
.opr-sec-sub {
    margin-left: auto;
    font-size: 12px;
    color: var(--tsk-faint);
}
.opr-chain {
    border: 1px solid var(--tsk-line);
    border-radius: 9px;
    background: var(--tsk-card);
    overflow: hidden;
    box-shadow: var(--tsk-shadow-sm);
}
.opr-chain-row {
    display: grid;
    grid-template-columns: 170px 180px minmax(0, 1fr);
    gap: 14px;
    padding: 11px 16px;
    border-bottom: 1px solid var(--tsk-line-2);
    font-size: 12px;
    line-height: 1.7;
}
.opr-chain-row:last-child {
    border-bottom: 0;
}
.opr-chain-row:nth-child(odd) {
    background: var(--tsk-card-2);
}
.opr-chain-name {
    font-weight: 800;
    color: var(--tsk-ink);
}
.opr-chain-fit {
    color: var(--tsk-brand-ink);
}
.opr-chain-why {
    color: var(--tsk-sub);
}

/* ---------- 6. 技巧与场景 ---------- */
.opr-tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(286px, 1fr));
    gap: 9px;
}
.opr-tip {
    display: flex;
    gap: 10px;
    padding: 14px 15px;
    border: 1px solid var(--tsk-line);
    border-radius: 8px;
    background: var(--tsk-card);
}
.opr-tip > span {
    font: 800 15px/1 var(--tsk-num);
    color: var(--tsk-brand-ink);
    opacity: .5;
    padding-top: 2px;
}
.opr-tip b {
    display: block;
    font-size: 12.5px;
}
.opr-tip p {
    margin-top: 3px;
    font-size: 12px;
    line-height: 1.72;
    color: var(--tsk-sub);
}
.opr-scenes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(246px, 1fr));
    gap: 9px;
}
.opr-scene {
    padding: 14px 15px;
    border: 1px solid var(--tsk-line);
    border-top: 3px solid var(--tsk-accent);
    border-radius: 8px;
    background: var(--tsk-card);
}
.opr-scene b {
    font-size: 12.5px;
}
.opr-scene p {
    margin-top: 3px;
    font-size: 12px;
    line-height: 1.72;
    color: var(--tsk-sub);
}

/* ---------- 7. 响应式 ---------- */
@media (max-width: 900px) {
    .opr-hero {
        gap: 20px;
    }
    .opr-panel {
        height: auto;
    }
    .opr-chain-row {
        grid-template-columns: 130px 140px minmax(0, 1fr);
        gap: 10px;
    }
}
@media (max-width: 640px) {
    .opr-row2 {
        grid-template-columns: 1fr 1fr;
    }
    .opr-chain-row {
        grid-template-columns: 1fr;
        gap: 3px;
    }
    .opr-compare-ctl {
        flex-wrap: wrap;
    }
    .opr-tips,
    .opr-scenes {
        grid-template-columns: 1fr;
    }
}

/* ---------- 8. 深色微调 ---------- */
:root[data-theme="dark"] .opr-drop {
    background:
        repeating-linear-gradient(90deg, rgba(214, 160, 102, .05) 0 2px, transparent 2px 14px),
        #29231b;
    border-color: #4a3e2e;
}
:root[data-theme="dark"] .opr-drop:hover,
:root[data-theme="dark"] .opr-drop.over {
    background-color: #322a20;
}
:root[data-theme="dark"] .opr-honest {
    background: rgba(217, 122, 99, .09);
}
:root[data-theme="dark"] .opr-ba {
    background:
        linear-gradient(45deg, rgba(255, 255, 255, .035) 25%, transparent 25%) 0 0 / 16px 16px,
        linear-gradient(-45deg, rgba(255, 255, 255, .035) 25%, transparent 25%) 0 8px / 16px 16px,
        #0b0907;
}

/* ---------- 9. 打印与动效 ---------- */
@media print {
    .opr-panel,
    .opr-compare-ctl {
        display: none;
    }
}
@media (prefers-reduced-motion: reduce) {
    .opr-switch span,
    .opr-switch span::after {
        transition: none;
    }
}