:root {
    --bg: #f7f8fc;
    --surface: #ffffff;
    --surface-alt: #f2f4fa;
    --ink: #1d2433;
    --muted: #5c6475;
    --line: #d8deea;
    --primary: #1f3b7a;
    --primary-soft: #e8eefc;
    --accent: #d88a26;
    --danger: #b42318;
    --ok: #0f9f6e;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 18px 48px rgba(22, 32, 58, 0.12);
    --trans: 180ms ease;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
}

body {
    margin: 0;
    font-family: Manrope, "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
    background: radial-gradient(circle at 5% 10%, #edf2ff 0, transparent 38%),
        radial-gradient(circle at 95% 90%, #fff3e5 0, transparent 36%),
        var(--bg);
    color: var(--ink);
    overflow: hidden;
}

.app-shell {
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 14px;
    gap: 10px;
}

.topbar {
    min-height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: var(--radius);
    background: linear-gradient(132deg, #233b75 0%, #405f9f 58%, #355086 100%);
    color: #fff;
    box-shadow: var(--shadow);
}

.brand-title {
    margin: 0;
    font-size: 21px;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.brand-subtitle {
    margin: 2px 0 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar .btn {
    min-height: 38px;
    border-radius: 999px;
    padding: 0 14px;
    font-weight: 600;
}

.workspace {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.summary-strip {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    gap: 10px;
}

.summary-item {
    min-height: 58px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
}

.summary-k {
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
}

.summary-v {
    font-size: 13px;
    color: var(--ink);
    line-height: 1.35;
    font-weight: 600;
}

.ops-toolbar {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
    padding: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.ops-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.ops-group-right {
    margin-left: auto;
}

.ops-toolbar .btn {
    min-height: 36px;
    border-radius: 999px;
    padding-inline: 14px;
    font-weight: 600;
}

.ops-toolbar .btn-primary {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #1e1e1e;
}

.ops-toolbar .btn-primary:hover {
    background-color: #c97816;
    border-color: #c97816;
}

.transfer-progress {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.transfer-progress-label {
    font-size: 12px;
    color: var(--muted);
    max-width: 230px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.panes-grid {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.pane {
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    overflow: hidden;
}

.pane-head {
    padding: 10px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-alt);
    display: grid;
    gap: 8px;
}

.pane-head-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pane-head-text {
    font-size: 12px;
    color: var(--muted);
    font-weight: 600;
}

.pane-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 26px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.pane-badge-master {
    background: #e9f0ff;
    color: #244492;
}

.pane-badge-slave {
    background: #fff2e2;
    color: #9a5c07;
}

.pane-head-controls {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 8px;
}

.panel-mode,
.connection-select,
.path-input {
    border-radius: 10px;
    border: 1px solid #cfd7e6;
    min-height: 38px;
    font-size: 13px;
}

.connection-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 8px;
    min-height: 34px;
    border: 1px solid #d5dceb;
    border-radius: 999px;
    background: #fff;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot[data-status="connected"] {
    background: var(--ok);
}

.status-dot[data-status="disconnected"] {
    background: var(--danger);
}

.status-dot[data-status="connecting"] {
    background: #f59e0b;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.35;
    }
}

.status-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
}

.slave-targets {
    border-bottom: 1px solid var(--line);
    padding: 8px 10px;
    background: #fcfdff;
}

.slave-target-search {
    min-height: 34px;
    font-size: 12px;
    border-radius: 9px;
    border: 1px solid #d3dbeb;
    margin-bottom: 8px;
}

.slave-targets-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--muted);
    font-weight: 700;
}

.slave-targets-actions {
    display: flex;
    gap: 4px;
}

.btn-xs {
    min-height: 28px;
    padding: 0 10px;
    font-size: 11px;
    border-radius: 999px;
}

.slave-target-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 6px;
    max-height: 110px;
    overflow: auto;
}

.slave-target-item {
    border: 1px solid #d2d9e8;
    border-radius: 10px;
    background: #fff;
    padding: 6px 8px;
    display: grid;
    grid-template-columns: 18px 1fr;
    gap: 6px;
    align-items: center;
    min-height: 44px;
    cursor: pointer;
    transition: border-color var(--trans), box-shadow var(--trans);
}

.slave-target-item.is-hidden {
    display: none;
}

.slave-target-item:hover {
    border-color: #8fa4d3;
    box-shadow: 0 4px 14px rgba(43, 70, 126, 0.13);
}

.slave-target-item:has(.slave-target-check:checked) {
    border-color: #5376bf;
    box-shadow: 0 0 0 1px rgba(83, 118, 191, 0.25);
    background: #f4f7ff;
}

.slave-target-main {
    font-size: 12px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.2;
}

.slave-target-sub {
    grid-column: 2;
    font-size: 11px;
    color: var(--muted);
    line-height: 1.15;
    font-family: "JetBrains Mono", monospace;
}

.slave-target-status {
    grid-column: 2;
    font-size: 10px;
    color: #687386;
    line-height: 1.2;
    margin-top: 2px;
}

.slave-target-status-success {
    color: #0f9f6e;
}

.slave-target-status-failed {
    color: #c0392b;
}

.slave-target-status-running {
    color: #1f3b7a;
}

.path-bar {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px;
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
}

.path-bar .btn {
    min-height: 38px;
    min-width: 42px;
    border-radius: 10px;
}

.file-list {
    flex: 1;
    overflow: auto;
    background: #fff;
}

.file-item {
    display: grid;
    grid-template-columns: 56px minmax(140px, 1fr) 90px 145px;
    gap: 8px;
    align-items: center;
    min-height: 44px;
    padding: 7px 10px;
    border-bottom: 1px solid #eef2f8;
    cursor: pointer;
    transition: background-color var(--trans);
}

.file-item:hover {
    background: #f4f7ff;
}

.file-item.selected {
    background: #1f3b7a;
    color: #fff;
}

.file-icon {
    display: inline-flex;
}

.file-type {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 22px;
    border-radius: 999px;
    background: #edf1f9;
    color: #273042;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.file-type-dir {
    background: #e8eefc;
    color: #1f3b7a;
}

.file-item.selected .file-type,
.file-item.selected .file-type-dir {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.file-name,
.file-size,
.file-date {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size,
.file-date {
    color: #5e6778;
    font-size: 12px;
}

.file-item.selected .file-size,
.file-item.selected .file-date,
.file-item.selected .file-name {
    color: #fff;
}

.panel.active-panel {
    box-shadow: inset 0 0 0 2px rgba(216, 138, 38, 0.55);
}

.panel.drag-over,
.file-list.drag-over {
    background: #eef3ff;
    outline: 2px dashed #4b69a7;
    outline-offset: -2px;
}

.status-bar {
    min-height: 38px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-size: 12px;
    color: var(--muted);
}

.connection-item {
    padding: 10px 12px;
    border-bottom: 1px solid #eef2f8;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.connection-name {
    font-weight: 700;
}

.connection-info {
    font-size: 12px;
    color: var(--muted);
}

.connection-actions {
    display: flex;
    gap: 6px;
}

.context-menu {
    position: fixed;
    z-index: 50;
}

*:focus-visible {
    outline: 2px solid #335baf;
    outline-offset: 2px;
}

@media (max-width: 1180px) {
    .summary-strip {
        grid-template-columns: 1fr 1fr;
    }

    .summary-item-wide {
        grid-column: 1 / -1;
    }
}

@media (max-width: 980px) {
    body {
        overflow: auto;
    }

    .app-shell {
        height: auto;
        min-height: 100vh;
    }

    .panes-grid {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(320px, 1fr) minmax(320px, 1fr);
    }

    .file-item {
        grid-template-columns: 52px 1fr 88px;
    }

    .file-date {
        display: none;
    }
}

@media (max-width: 680px) {
    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .topbar-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .summary-strip {
        grid-template-columns: 1fr;
    }

    .ops-group-right,
    .transfer-progress {
        margin-left: 0;
        width: 100%;
    }

    .ops-group {
        width: 100%;
    }

    .ops-group .btn,
    .ops-group-right .btn {
        flex: 1;
        min-width: 128px;
    }

    .pane-head-controls {
        grid-template-columns: 1fr;
    }

    .connection-status {
        width: fit-content;
    }

    .file-item {
        grid-template-columns: 44px 1fr;
        gap: 6px;
    }

    .file-size,
    .file-date {
        display: none;
    }

    .slave-target-list {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}