/* =============================================================
 * create.css — 导入入口 + 三步处理窗口（T 形布局）
 *
 *   ┌──────────────────────────────┐
 *   │  左：原图      │  右：预览      │
 *   ├──────────────────────────────┤
 *   │  下：参数面板        [下一步]  │
 *   └──────────────────────────────┘
 * ============================================================= */

body.create {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.create-main {
    flex: 1;
    min-height: 0;
    position: relative;
    overflow: hidden;
}

/* =============================================================
 * 入口
 * ============================================================= */

.entry {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 38px;
    padding: 28px;
    animation: entry-in .45s var(--ease-out) both;
}

@keyframes entry-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.entry-head {
    text-align: center;
}

.entry-head h1 {
    font-size: clamp(1.5rem, 3.2vw, 2.05rem);
    font-weight: 780;
    letter-spacing: -.03em;
    margin-bottom: 9px;
}

.entry-head p {
    color: var(--ink-3);
    font-size: 13.8px;
}

.entry-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    width: min(680px, 100%);
}

.entry-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 34px 22px 30px;
    border: 1px solid var(--line);
    border-radius: var(--r-xl);
    background: var(--surface);
    box-shadow: var(--sh-1);
    cursor: pointer;
    transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    text-align: center;
}

.entry-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--sh-3);
    border-color: var(--brand-soft-2);
}

.entry-card:active {
    transform: translateY(-1px);
}

.entry-icon {
    width: 62px;
    height: 62px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    background: var(--surface-3);
    color: var(--ink-2);
    margin-bottom: 12px;
    transition: background .22s var(--ease), color .22s var(--ease);
}

.entry-title {
    font-size: 16.5px;
    font-weight: 700;
    letter-spacing: -.01em;
}

.entry-desc {
    font-size: 12.5px;
    color: var(--ink-3);
}

.entry-card-primary {
    border-color: var(--brand-soft-2);
    background: linear-gradient(180deg, #FBFAFF 0%, #F4F1FE 100%);
}

.entry-card-primary .entry-icon {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 6px 18px rgba(108, 76, 241, .28);
}

.entry-card-primary:hover {
    border-color: var(--brand);
}

.entry-hint {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.2px;
    color: var(--ink-4);
}

/* =============================================================
 * 流程外壳
 * ============================================================= */

.flow {
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 14px 18px 16px;
    min-height: 0;
    animation: entry-in .4s var(--ease-out) both;
}

.flow-steps {
    display: flex;
    align-items: center;
    gap: 9px;
    flex: none;
    padding-left: 3px;
}

.flow-step {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 12.8px;
    font-weight: 560;
    color: var(--ink-3);
    transition: color .2s var(--ease);
}

.flow-step b {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--surface-3);
    color: var(--ink-3);
    font-size: 11px;
    font-weight: 700;
    transition: background .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);
}

.flow-step.is-active {
    color: var(--ink);
}

.flow-step.is-active b {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 0 0 3px var(--brand-ring);
}

.flow-step.is-done b {
    background: var(--ok-soft);
    color: var(--ok);
}

.flow-step-sep {
    width: 18px;
    height: 1px;
    background: var(--line-2);
    flex: none;
}

/* =============================================================
 * T 形窗口
 * ============================================================= */

.t-window {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--sh-2);
    overflow: hidden;
}

/* 上：左右两栏 */
.t-top {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.t-pane {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    border-right: 1px solid var(--line);
}

.t-pane:last-child {
    border-right: 0;
}

.t-pane-preview {
    background: var(--surface-2);
}

.pane-head {
    flex: none;
    height: 38px;
    padding: 0 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, .6);
}

.pane-title {
    font-size: 12.2px;
    font-weight: 650;
    color: var(--ink-2);
    letter-spacing: .01em;
}

.pane-meta {
    margin-left: auto;
    font-size: 11.5px;
    color: var(--ink-4);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pane-body {
    flex: 1;
    min-height: 0;
    position: relative;
    display: grid;
    place-items: center;
    padding: 16px;
    overflow: hidden;
}

/* 舞台：canvas 居中的定位基准 */
.stage {
    position: relative;
    line-height: 0;
    box-shadow: var(--sh-2);
    background: #fff;
    border-radius: 3px;
    max-width: 100%;
    max-height: 100%;
    overflow: hidden;
}

.stage canvas {
    display: block;
    border-radius: 2px;
}

/* 裁切框：框外压暗 */
.crop-layer {
    position: absolute;
    inset: 0;
    cursor: crosshair;
    touch-action: none;
}

.crop-box {
    position: absolute;
    outline: 1.5px solid #fff;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, .3), 0 0 0 9999px rgba(12, 14, 18, .55);
    cursor: move;
    box-sizing: border-box;
}

.crop-handle {
    position: absolute;
    width: 13px;
    height: 13px;
    background: #fff;
    border: 2px solid var(--brand);
    border-radius: 3px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .35);
    box-sizing: border-box;
    z-index: 2;
}

.crop-handle[data-h="nw"] {
    left: -7px;
    top: -7px;
    cursor: nwse-resize;
}

.crop-handle[data-h="ne"] {
    right: -7px;
    top: -7px;
    cursor: nesw-resize;
}

.crop-handle[data-h="sw"] {
    left: -7px;
    bottom: -7px;
    cursor: nesw-resize;
}

.crop-handle[data-h="se"] {
    right: -7px;
    bottom: -7px;
    cursor: nwse-resize;
}

/* 预览占位 */
.preview-empty {
    color: var(--ink-4);
    font-size: 13px;
    text-align: center;
    line-height: 1.7;
}

/* =============================================================
 * 下：参数面板
 * ============================================================= */

.t-bottom {
    flex: none;
    border-top: 1px solid var(--line);
    background: var(--surface);
}

.t-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px 22px;
    padding: 14px 18px 4px;
    max-height: 34vh;
    overflow-y: auto;
}

.t-controls:empty {
    display: none;
}

.ctl {
    display: flex;
    flex-direction: column;
    gap: 7px;
    min-width: 0;
}

.ctl-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ctl-label {
    font-size: 12.2px;
    font-weight: 600;
    color: var(--ink-2);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.ctl-val {
    margin-left: auto;
    font-size: 11.8px;
    font-weight: 650;
    color: var(--brand);
    font-variant-numeric: tabular-nums;
}

/* 宽度分级 */
.ctl-w-s { width: 118px; }
.ctl-w-m { width: 168px; }
.ctl-w-l { width: 230px; }
.ctl-w-xl { width: 300px; }

.ctl-slider {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 190px;
}

.ctl-slider .range {
    flex: 1;
}

.ctl-slider .input {
    width: 58px;
    text-align: center;
    padding: 0 4px;
}

/* 竖直分隔 */
.ctl-sep {
    width: 1px;
    align-self: stretch;
    background: var(--line);
    margin: 0 2px;
}

/* 按钮组 */
.ctl-btns {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.icon-btn {
    width: 36px;
    height: 36px;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--line-2);
    border-radius: var(--r-sm);
    background: var(--surface);
    cursor: pointer;
    color: var(--ink-2);
    transition: background .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease);
    flex: none;
}

.icon-btn:hover {
    background: var(--surface-2);
    border-color: var(--line-3);
    color: var(--ink);
}

.icon-btn:active {
    transform: translateY(1px);
}

/* 底部按钮条 */
.t-foot {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px 14px;
}

.t-status {
    margin-right: auto;
    font-size: 12.2px;
    color: var(--ink-3);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.t-status strong {
    color: var(--ink);
    font-weight: 650;
    font-variant-numeric: tabular-nums;
}

/* =============================================================
 * 拖拽遮罩
 * ============================================================= */

.drop-overlay {
    position: absolute;
    inset: 0;
    z-index: 60;
    display: grid;
    place-items: center;
    background: rgba(251, 250, 253, .88);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    pointer-events: none;
}

.drop-overlay[hidden] {
    display: none;
}

.drop-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
    padding: 44px 58px;
    border: 2px dashed var(--brand);
    border-radius: var(--r-xl);
    background: var(--brand-soft);
    color: var(--brand-hover);
    animation: drop-pulse 1.6s var(--ease) infinite;
}

.drop-inner strong {
    font-size: 16px;
    font-weight: 700;
}

.drop-inner span {
    font-size: 12.5px;
    opacity: .75;
}

@keyframes drop-pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.015);
    }
}

/* =============================================================
 * 响应式
 * ============================================================= */

@media (max-width: 980px) {
    body.create {
        overflow: auto;
        height: auto;
        min-height: 100vh;
    }

    .create-main {
        overflow: visible;
    }

    .flow {
        height: auto;
        min-height: calc(100vh - var(--topbar-h));
    }

    .t-top {
        grid-template-columns: 1fr;
    }

    .t-pane {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .pane-body {
        min-height: 46vh;
    }

    .t-controls {
        max-height: none;
    }

    .entry-actions {
        grid-template-columns: 1fr;
        width: min(420px, 100%);
    }

    .entry-card {
        padding: 24px 20px;
        flex-direction: row;
        text-align: left;
        gap: 3px 14px;
        flex-wrap: wrap;
    }

    .entry-icon {
        width: 48px;
        height: 48px;
        margin: 0;
        grid-row: span 2;
        border-radius: 14px;
    }

    .entry-title {
        font-size: 15.5px;
        width: calc(100% - 62px);
    }

    .entry-desc {
        width: calc(100% - 62px);
    }
}

@media (max-width: 640px) {
    .flow {
        padding: 10px 10px 14px;
    }

    .t-controls {
        gap: 13px 16px;
        padding: 12px 13px 2px;
    }

    .ctl-w-l,
    .ctl-w-xl {
        width: 100%;
    }

    .t-foot {
        padding: 10px 13px 12px;
    }

    .flow-step {
        font-size: 11.5px;
    }

    .flow-step-sep {
        width: 9px;
    }
}