:root {
    --bg: #f5f7fa;
    --panel: #ffffff;
    --panel-soft: #f7f9fb;
    --border: #d7dee5;
    --border-soft: #e6ebf0;
    --text: #17212b;
    --muted: #687783;
    --accent: #0a9b61;
    --loss: #dc3f56;
    --ma7: #0788b5;
    --ma20: #7c52c7;
    --ma99: #d34278;
    --shadow: 0 12px 36px rgb(27 45 62 / 9%);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
}

body {
    background:
        radial-gradient(circle at 75% -20%, rgb(10 155 97 / 8%), transparent 34rem),
        linear-gradient(155deg, #f8fafc 0%, #f3f6f9 55%, #eef3f6 100%);
    color: var(--text);
    font-family:
        Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
        "PingFang SC", "Microsoft YaHei", sans-serif;
    font-variant-numeric: tabular-nums;
}

.auth-screen {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

.login-panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
    display: grid;
    gap: 16px;
    max-width: 390px;
    padding: 32px;
    width: 100%;
}

.login-panel h1 {
    font-size: 28px;
    margin: 0;
}

.login-panel p {
    color: var(--muted);
    margin: -4px 0 4px;
}

.login-field {
    display: grid;
    gap: 6px;
}

.login-field span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
}

.login-field input {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    min-height: 42px;
    padding: 8px 10px;
}

.login-button {
    background: var(--accent);
    border: 0;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    font-weight: 700;
    min-height: 42px;
}

.login-button:disabled {
    cursor: wait;
    opacity: 0.65;
}

.login-error {
    color: var(--loss) !important;
    font-size: 13px;
    margin: 0 !important;
}

.logout-button {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--muted);
    cursor: pointer;
    font-size: 12px;
    padding: 4px 8px;
}

button,
input {
    font: inherit;
}

button {
    color: inherit;
}

.app-shell {
    min-height: 100vh;
    padding: 18px;
}

.topbar {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1700px;
    margin: 0 auto;
    padding: 0 4px 16px;
}

.eyebrow,
.section-label {
    margin: 0 0 4px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin: 0;
    line-height: 1;
}

h1 {
    font-size: 24px;
    letter-spacing: -0.03em;
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 17px;
}

.topbar-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 12px;
}

.topbar-status strong {
    color: #344552;
    font-weight: 650;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #f3c969;
    box-shadow: 0 0 12px currentColor;
}

.status-dot.online {
    color: var(--accent);
    background: var(--accent);
}

.status-dot.error {
    color: var(--loss);
    background: var(--loss);
}

.divider {
    width: 1px;
    height: 14px;
    margin: 0 4px;
    background: var(--border);
}

.workspace {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr) 360px;
    gap: 14px;
    max-width: 1700px;
    height: calc(100vh - 88px);
    min-height: 620px;
    margin: 0 auto;
}

.sidebar,
.content,
.settings-panel {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgb(255 255 255 / 96%);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.sidebar {
    display: flex;
    min-height: 0;
    flex-direction: column;
    overflow: hidden;
}

.settings-panel {
    min-width: 0;
    display: flex;
    min-height: 0;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 16px 14px;
    border-bottom: 1px solid var(--border-soft);
}

.sidebar-head > div {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.sidebar-head strong {
    color: var(--accent);
    font-size: 13px;
}

.preview-badge {
    padding: 3px 6px;
    border-radius: 999px;
    background: rgb(181 126 0 / 12%);
    color: #a46f00;
    font-size: 9px;
    font-weight: 700;
}

.scan-button {
    height: 32px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--panel-soft);
    color: #344552;
    font-size: 11px;
    cursor: pointer;
    transition: 160ms ease;
}

.scan-button:hover {
    border-color: #9aabb7;
    transform: translateY(-1px);
}

.scan-button.loading {
    border-color: rgb(10 155 97 / 35%);
    color: var(--accent);
    opacity: 0.85;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 12px;
    padding: 9px 11px;
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    background: #f7f9fb;
    color: var(--muted);
}

.sort-box {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: -4px 12px 4px;
    padding: 7px 11px;
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    background: #f7f9fb;
    color: var(--muted);
    font-size: 11px;
}

.sort-box select {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text);
    font-size: 11px;
    cursor: pointer;
}

.hyperparameter {
    margin: 2px 12px 8px;
    padding: 9px 10px;
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    background: #f7f9fb;
}

.hyperparameter label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    color: #455864;
    font-size: 11px;
}

.parameter-section + .parameter-section {
    margin-top: 12px;
    padding-top: 11px;
    border-top: 1px solid var(--border);
}

.parameter-section-title {
    margin-bottom: 7px;
    color: #8b5c19;
    font-size: 10px;
    font-weight: 700;
}

.parameter-hint {
    display: block;
    margin-top: -2px;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.4;
}

.parameter-section label + label {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid var(--border-soft);
}

.is-hidden {
    display: none !important;
}

.parameter-section label[id$="Setting"] {
    padding-left: 10px;
}

.parameter-value {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.parameter-value input {
    width: 52px;
    padding: 4px 5px;
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
    background: var(--panel-soft);
    color: var(--text);
    text-align: right;
}

.parameter-value input:focus {
    border-color: var(--accent);
}

.parameter-value b {
    color: var(--muted);
    font-weight: 500;
}

.parameter-select {
    min-width: 76px;
    padding: 4px 5px;
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
    background: var(--panel-soft);
    color: var(--text);
    font-size: 9px;
}

.filter-timeframe-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.filter-timeframe-toggle b {
    min-width: 20px;
    color: var(--accent);
    font-size: 10px;
    text-align: right;
}

.filter-timeframe-toggle input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.filter-timeframe-toggle i {
    position: relative;
    width: 30px;
    height: 17px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: #dce3e8;
    cursor: pointer;
    transition: 160ms ease;
}

.filter-timeframe-toggle i::after {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 1px 3px rgb(27 45 62 / 20%);
    content: "";
    transition: 160ms ease;
}

.filter-timeframe-toggle input:checked + i {
    border-color: var(--accent);
    background: var(--accent);
}

.filter-timeframe-toggle input:checked + i::after {
    transform: translateX(13px);
}

.filter-timeframe-toggle input:focus-visible + i {
    outline: 2px solid rgb(10 155 97 / 25%);
    outline-offset: 2px;
}

.hyperparameter small {
    display: block;
    margin-top: 5px;
    color: #7a8994;
    font-size: 9px;
    text-align: right;
}

.filter-rules {
    margin: 0 12px 8px;
    padding: 10px;
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    background: #f8fafb;
}

.filter-rules-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 7px;
    color: #455864;
    font-size: 11px;
    font-weight: 700;
}

.filter-rules-title b {
    padding: 2px 5px;
    border-radius: 4px;
    background: rgb(10 155 97 / 10%);
    color: var(--accent);
    font-size: 8px;
    font-weight: 700;
}

.rule-section + .rule-section {
    margin-top: 9px;
    padding-top: 8px;
    border-top: 1px solid var(--border-soft);
}

.rule-section-title {
    margin-bottom: 5px;
    color: #526571;
    font-size: 9px;
    font-weight: 700;
}

.filter-rules ul {
    display: grid;
    gap: 5px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.filter-rules li {
    position: relative;
    padding-left: 11px;
    color: #64747f;
    font-size: 9px;
    line-height: 1.35;
}

.filter-rules li::before {
    position: absolute;
    top: 0.45em;
    left: 0;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #a2afb8;
    content: "";
}

.filter-rules strong {
    color: var(--accent);
    font-weight: 700;
}

.search-box:focus-within {
    border-color: #7f9aaa;
}

.search-box input {
    min-width: 0;
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text);
    font-size: 13px;
}

.candidate-list {
    min-height: 0;
    flex: 1;
    overflow-y: auto;
    padding: 0 10px 14px;
    border-top: 1px solid var(--border-soft);
    scroll-padding-top: 8px;
}

.candidate-list::-webkit-scrollbar {
    width: 6px;
}

.candidate-list::-webkit-scrollbar-thumb {
    border-radius: 4px;
    background: #cbd4db;
}

.candidate-item {
    width: 100%;
    display: grid;
    grid-template-columns: 27px minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    margin: 4px 0;
    padding: 10px 9px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    text-align: left;
    cursor: pointer;
    transition: 140ms ease;
}

.candidate-item:hover {
    background: #f2f6f8;
}

.candidate-item.active {
    border-color: rgb(10 155 97 / 35%);
    background: linear-gradient(90deg, rgb(10 155 97 / 12%), rgb(10 155 97 / 3%));
}

.rank {
    color: #7a8994;
    font-size: 11px;
}

.pair-symbol {
    display: block;
    overflow: hidden;
    font-size: 13px;
    font-weight: 750;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pair-volume {
    display: block;
    margin-top: 3px;
    overflow: hidden;
    color: var(--muted);
    font-size: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.candidate-price {
    color: #344552;
    font-size: 11px;
}

.settings-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 16px 14px;
    border-bottom: 1px solid var(--border-soft);
}

.save-settings-button {
    padding: 7px 11px;
    border: 1px solid var(--accent);
    border-radius: 8px;
    background: var(--accent);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    transition: 160ms ease;
}

.save-settings-button:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 5px 14px rgb(10 155 97 / 18%);
}

.save-settings-button:disabled {
    border-color: var(--border);
    background: #edf1f4;
    color: #8a98a2;
    cursor: default;
}

.settings-scroll {
    min-height: 0;
    overflow-y: auto;
    padding: 12px 14px 14px;
}

.settings-scroll::-webkit-scrollbar {
    width: 6px;
}

.settings-scroll::-webkit-scrollbar-thumb {
    border-radius: 4px;
    background: #cbd4db;
}

.settings-primary {
    display: grid;
    gap: 0;
    border-bottom: 1px solid var(--border-soft);
}

.parameter-row {
    min-height: 42px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    color: #40515d;
    font-size: 12px;
    cursor: pointer;
}

.parameter-row + .parameter-row {
    border-top: 1px solid var(--border-soft);
}

.parameter-row > span:first-child {
    min-width: 0;
    line-height: 1.35;
}

.parameter-row > span:first-child > b {
    color: var(--text);
    font-size: 12px;
    font-weight: 700;
}

.parameter-row small {
    display: block;
    margin-top: 2px;
    color: var(--muted);
    font-size: 9px;
    font-weight: 500;
    line-height: 1.35;
}

.parameter-row-primary {
    min-height: 52px;
}

.settings-tabs {
    position: sticky;
    z-index: 5;
    top: -12px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 3px;
    margin: 12px -2px 0;
    padding: 3px;
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    background: #eef2f5;
}

.settings-tabs button {
    min-width: 0;
    height: 30px;
    padding: 0 4px;
    border: 0;
    border-radius: 5px;
    background: transparent;
    color: #667681;
    font-size: 11px;
    font-weight: 650;
    cursor: pointer;
}

.settings-tabs button:hover {
    color: var(--text);
}

.settings-tabs button.active {
    background: #ffffff;
    color: var(--accent);
    box-shadow: inset 0 0 0 1px #ccd6dd, 0 1px 3px rgb(27 45 62 / 8%);
}

.settings-tabs button:focus-visible {
    outline: 2px solid rgb(10 155 97 / 25%);
    outline-offset: 1px;
}

.settings-tab-panels {
    min-height: 220px;
}

.settings-tab-panel {
    padding-top: 3px;
}

.settings-tab-panel[hidden] {
    display: none !important;
}

.parameter-group {
    padding: 13px 0 5px;
}

.parameter-group + .parameter-group,
.parameter-details + .parameter-details {
    border-top: 1px solid var(--border);
}

.parameter-group-title {
    min-height: 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.parameter-group-title strong {
    color: #344552;
    font-size: 11px;
}

.parameter-group-title span {
    color: #87949d;
    font-size: 9px;
}

.parameter-fields {
    margin-top: 3px;
}

.parameter-details {
    padding: 3px 0;
    border-top: 1px solid var(--border);
}

.parameter-details summary,
.settings-rule-summary > summary {
    min-height: 46px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    list-style: none;
    color: #344552;
    cursor: pointer;
}

.parameter-details summary::-webkit-details-marker,
.settings-rule-summary > summary::-webkit-details-marker {
    display: none;
}

.parameter-details summary > span {
    min-width: 0;
}

.parameter-details summary strong {
    display: block;
    font-size: 11px;
}

.parameter-details summary small {
    display: block;
    margin-top: 2px;
    color: var(--muted);
    font-size: 9px;
    font-weight: 500;
}

.parameter-details summary > i,
.settings-rule-summary > summary > i {
    width: 7px;
    height: 7px;
    border-right: 1.5px solid #75848e;
    border-bottom: 1.5px solid #75848e;
    transform: rotate(45deg);
    transition: transform 150ms ease;
}

.parameter-details[open] summary > i,
.settings-rule-summary[open] > summary > i {
    transform: rotate(225deg);
}

.parameter-details[open] {
    padding-bottom: 7px;
}

.settings-rule-summary {
    margin-top: 8px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.settings-rule-summary > summary {
    grid-template-columns: minmax(0, 1fr) auto auto;
    font-size: 11px;
    font-weight: 700;
}

.settings-rule-summary > summary > b {
    padding: 3px 6px;
    border-radius: 4px;
    background: rgb(10 155 97 / 10%);
    color: var(--accent);
    font-size: 8px;
}

.settings-rule-summary .filter-rules {
    margin: 0 0 10px;
    padding: 10px;
    border-radius: 6px;
}

.settings-panel .parameter-value {
    min-width: 112px;
    justify-content: flex-end;
}

.settings-panel .parameter-value input {
    width: 72px;
    height: 32px;
    padding: 0 8px;
    border-radius: 5px;
    background: #ffffff;
    font-size: 11px;
}

.settings-panel .parameter-value b {
    min-width: 32px;
    font-size: 9px;
    text-align: left;
}

.settings-panel .parameter-select {
    width: 118px;
    height: 32px;
    padding: 0 8px;
    border-radius: 5px;
    background: #ffffff;
    font-size: 11px;
}

#activeStrategyInput {
    width: 164px;
}

.settings-panel .filter-timeframe-toggle {
    min-width: 82px;
    justify-content: flex-end;
}

.settings-panel .filter-timeframe-toggle b {
    min-width: 32px;
    font-size: 9px;
}

.settings-module + .settings-module {
    margin-top: 10px;
}

.module-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 7px;
    color: #455864;
    font-size: 12px;
    font-weight: 700;
}

.module-title b {
    color: var(--muted);
    font-size: 9px;
    font-weight: 500;
}

.module-title.trade {
    color: #a65f00;
}

.settings-panel .hyperparameter,
.settings-panel .filter-rules {
    margin: 0;
}

.settings-module .filter-rules {
    margin-top: 8px;
}

.settings-panel .hyperparameter {
    padding: 12px;
}

.settings-panel .filter-rules {
    padding: 12px;
}

.settings-panel .hyperparameter label,
.settings-panel .readonly-parameter,
.settings-panel .filter-rules-title {
    font-size: 12px;
}

.readonly-parameter {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    color: #455864;
}

.readonly-parameter + label {
    margin-top: 7px;
    padding-top: 7px;
    border-top: 1px solid var(--border-soft);
}

.readonly-parameter b {
    padding: 3px 7px;
    border-radius: 6px;
    background: rgb(10 155 97 / 10%);
    color: var(--accent);
    font-size: 10px;
}

.settings-panel .filter-rules li {
    font-size: 10px;
    line-height: 1.5;
}

.settings-status {
    padding: 2px 2px 0;
    color: #7a8994;
    font-size: 10px;
    text-align: right;
}

.empty-state {
    padding: 32px 14px;
    padding: 32px 14px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.7;
    text-align: center;
}

.content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: 18px;
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.pair-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.provisional-badge {
    padding: 5px 8px;
    border: 1px solid rgb(181 126 0 / 24%);
    border-radius: 999px;
    background: rgb(181 126 0 / 8%);
    color: #a46f00;
    font-size: 10px;
    font-weight: 700;
}

.timeframe-tabs {
    display: flex;
    gap: 3px;
    padding: 3px;
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    background: #f4f7f9;
}

.timeframe-tabs button {
    padding: 7px 12px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: var(--muted);
    font-size: 12px;
    cursor: pointer;
}

.timeframe-tabs button:hover {
    color: var(--text);
}

.timeframe-tabs button.active {
    background: #ffffff;
    color: var(--text);
    box-shadow: inset 0 0 0 1px #cbd5dc, 0 1px 3px rgb(27 45 62 / 8%);
}

.metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(135px, 1fr));
    gap: 8px;
    margin: 16px 0 12px;
}

.metric {
    min-width: 0;
    min-height: 70px;
    padding: 10px 12px;
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    background: #f8fafb;
}

.metric span {
    display: block;
    margin-bottom: 5px;
    color: var(--muted);
    font-size: 10px;
}

.metric strong {
    display: block;
    font-size: 15px;
    line-height: 1.25;
    white-space: nowrap;
}

.metric small {
    display: block;
    margin-top: 3px;
    overflow: hidden;
    color: var(--muted);
    font-size: 9px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.metric.primary {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
}

.metric.primary span {
    grid-column: 1 / -1;
}

.metric.primary strong {
    font-size: 18px;
}

.metric.primary small {
    font-size: 11px;
}

.metric.ma7 strong {
    color: var(--ma7);
}

.metric.ma20 strong {
    color: var(--ma20);
}

.metric.ma99 strong {
    color: var(--ma99);
}

.chart-card {
    position: relative;
    min-height: 0;
    flex: 1;
    overflow: hidden;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    background: #ffffff;
    cursor: crosshair;
    user-select: none;
}

.chart-card.dragging {
    cursor: grabbing;
}

#chartCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

.chart-legend {
    position: absolute;
    z-index: 2;
    top: 10px;
    left: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--muted);
    font-size: 10px;
    pointer-events: none;
}

.chart-legend span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.chart-tools {
    position: absolute;
    z-index: 4;
    top: 8px;
    right: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #788792;
    font-size: 9px;
}

.chart-tools button {
    padding: 4px 7px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: rgb(248 250 251 / 95%);
    color: #526570;
    font-size: 9px;
    cursor: pointer;
}

.chart-tools button:hover {
    border-color: #9aabb7;
    color: var(--text);
}

.legend-line {
    width: 14px;
    height: 2px;
    border-radius: 2px;
}

.ma7-bg {
    background: var(--ma7);
}

.ma20-bg {
    background: var(--ma20);
}

.ma99-bg {
    background: var(--ma99);
}

.chart-loading {
    position: absolute;
    z-index: 3;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgb(255 255 255 / 78%);
    color: var(--muted);
    font-size: 12px;
    backdrop-filter: blur(2px);
}

.chart-loading.hidden {
    display: none;
}

.chart-tooltip {
    position: absolute;
    z-index: 5;
    display: none;
    min-width: 172px;
    padding: 9px 10px;
    border: 1px solid #cbd5dc;
    border-radius: 9px;
    background: rgb(255 255 255 / 97%);
    box-shadow: 0 10px 30px rgb(27 45 62 / 16%);
    color: #43545f;
    font-size: 10px;
    line-height: 1.65;
    pointer-events: none;
}

.chart-tooltip strong {
    color: var(--text);
}

.footnote {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 10px 2px 0;
    color: #788792;
    font-size: 10px;
}

.positive {
    color: var(--accent);
}

.negative {
    color: var(--loss);
}

.view-tabs {
    display: flex;
    align-items: center;
    padding: 3px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: #edf2f5;
}

.view-tabs button {
    min-width: 66px;
    height: 30px;
    padding: 0 14px;
    border: 0;
    border-radius: 5px;
    background: transparent;
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}

.view-tabs button.active {
    background: #ffffff;
    box-shadow: 0 1px 3px rgb(27 45 62 / 12%);
    color: var(--text);
}

.backtest-workspace {
    max-width: 1700px;
    height: calc(100vh - 88px);
    min-height: 760px;
    display: grid;
    grid-template-rows: auto auto auto auto minmax(0, 1fr);
    gap: 12px;
    margin: 0 auto;
}

.backtest-toolbar,
.backtest-status,
.backtest-metrics,
.monthly-returns-panel,
.equity-panel,
.trades-panel {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #ffffff;
}

.backtest-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 18px;
}

.backtest-toolbar h2 {
    font-size: 19px;
}

.backtest-notice {
    max-width: 760px;
    margin: 5px 0 0;
    color: var(--muted);
    font-size: 9px;
    line-height: 1.45;
}

.backtest-controls {
    display: flex;
    align-items: end;
    gap: 10px;
}

.backtest-controls label {
    display: grid;
    gap: 5px;
    color: var(--muted);
    font-size: 9px;
    font-weight: 700;
}

.backtest-controls select,
.backtest-money-input {
    height: 34px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--panel-soft);
}

.backtest-controls select {
    min-width: 112px;
    padding: 0 28px 0 9px;
    color: var(--text);
    font-size: 11px;
}

.backtest-money-input {
    display: flex;
    align-items: center;
    overflow: hidden;
}

.backtest-money-input input {
    width: 105px;
    height: 32px;
    padding: 0 8px;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text);
    font-size: 11px;
}

.backtest-money-input b {
    padding-right: 9px;
    color: var(--muted);
    font-size: 9px;
}

.run-backtest-button {
    height: 34px;
    padding: 0 15px;
    border: 1px solid #087e50;
    border-radius: 6px;
    background: var(--accent);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}

.run-backtest-button:disabled {
    cursor: wait;
    opacity: 0.6;
}

.cancel-backtest-button {
    height: 34px;
    padding: 0 12px;
    border: 1px solid #e1a9b1;
    border-radius: 6px;
    background: #fff5f6;
    color: var(--loss);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}

.backtest-status {
    display: grid;
    grid-template-columns: minmax(230px, auto) minmax(180px, 1fr) 42px;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
}

.backtest-status > div:first-child {
    display: grid;
    gap: 2px;
}

.backtest-status strong {
    font-size: 11px;
}

.backtest-status span {
    color: var(--muted);
    font-size: 9px;
}

.backtest-status > b {
    color: var(--accent);
    font-size: 10px;
    text-align: right;
}

.backtest-progress-track {
    height: 5px;
    overflow: hidden;
    border-radius: 3px;
    background: #e7ecef;
}

.backtest-progress-track i {
    width: 0;
    height: 100%;
    display: block;
    border-radius: inherit;
    background: var(--accent);
    transition: width 220ms ease;
}

.backtest-metrics {
    display: grid;
    grid-template-columns: repeat(6, minmax(110px, 1fr));
    overflow: hidden;
}

.backtest-metrics > div {
    min-width: 0;
    padding: 12px 14px;
    border-right: 1px solid var(--border-soft);
}

.backtest-metrics > div:last-child {
    border-right: 0;
}

.backtest-metrics span {
    display: block;
    margin-bottom: 5px;
    color: var(--muted);
    font-size: 9px;
}

.backtest-metrics strong {
    font-size: 16px;
    white-space: nowrap;
}

.monthly-returns-panel {
    min-width: 0;
    overflow: hidden;
}

.monthly-returns-wrap {
    overflow-x: auto;
    max-height: 392px;
    overflow-y: auto;
}

.monthly-returns-wrap table {
    width: 100%;
    min-width: 560px;
    border-collapse: collapse;
    font-size: 10px;
}

.monthly-returns-wrap thead {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--surface);
}

.monthly-returns-wrap th,
.monthly-returns-wrap td {
    padding: 8px 14px;
    border-top: 1px solid var(--border-soft);
    text-align: left;
    white-space: nowrap;
}

.monthly-returns-wrap th {
    color: var(--muted);
    font-size: 9px;
}

.monthly-returns-wrap td:nth-child(4) {
    font-weight: 700;
    text-align: right;
}

.backtest-results-grid {
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(300px, 0.85fr) minmax(420px, 1.15fr);
    gap: 12px;
}

.equity-panel,
.trades-panel {
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.backtest-section-head {
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 11px 14px;
    border-bottom: 1px solid var(--border-soft);
}

.backtest-section-head > div {
    display: grid;
    gap: 2px;
}

.backtest-section-head strong {
    font-size: 11px;
}

.backtest-section-head > span {
    color: var(--muted);
    font-size: 9px;
    text-align: right;
}

.equity-chart-wrap {
    position: relative;
    min-height: 0;
    flex: 1;
}

#backtestEquityCanvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: crosshair;
    touch-action: none;
}

.equity-tooltip {
    position: absolute;
    z-index: 3;
    display: none;
    min-width: 142px;
    padding: 8px 9px;
    border: 1px solid #cbd5dc;
    border-radius: 6px;
    background: rgb(255 255 255 / 97%);
    box-shadow: 0 6px 18px rgb(27 45 62 / 14%);
    color: var(--muted);
    font-size: 9px;
    line-height: 1.5;
    pointer-events: none;
}

.equity-tooltip strong,
.equity-tooltip span {
    display: block;
}

.equity-tooltip strong {
    color: var(--text);
    font-size: 12px;
}

.equity-tooltip b {
    font-size: 10px;
}

.backtest-empty {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: var(--muted);
    font-size: 11px;
}

.backtest-table-wrap {
    min-height: 0;
    flex: 1;
    overflow: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
}

.backtest-table-wrap::-webkit-scrollbar {
    width: 6px;
}

.backtest-table-wrap::-webkit-scrollbar-thumb {
    border-radius: 3px;
    background: #bcc8cf;
}

.backtest-table-wrap table {
    width: 100%;
    min-width: 980px;
    border-collapse: collapse;
    font-size: 10px;
}

.backtest-table-wrap th {
    position: sticky;
    z-index: 1;
    top: 0;
    padding: 9px 10px;
    border-bottom: 1px solid var(--border);
    background: #f7f9fb;
    color: var(--muted);
    font-size: 9px;
    text-align: left;
}

.backtest-table-wrap td {
    padding: 9px 10px;
    border-bottom: 1px solid var(--border-soft);
    color: #40515d;
    white-space: nowrap;
}

.backtest-table-wrap td:nth-child(8) {
    font-weight: 700;
    text-align: right;
}

.backtest-table-wrap td[colspan] {
    padding: 40px 10px;
    color: var(--muted);
    text-align: center;
}

@media (max-width: 1250px) {
    .workspace {
        height: auto;
        grid-template-columns: 260px minmax(0, 1fr);
    }

    .sidebar,
    .content {
        height: calc(100vh - 88px);
        min-height: 620px;
    }

    .settings-panel {
        grid-column: 1 / -1;
    }

    .settings-scroll {
        display: block;
        overflow: visible;
    }

    .settings-primary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .settings-primary .parameter-row + .parameter-row {
        border-top: 0;
        border-left: 1px solid var(--border-soft);
        padding-left: 18px;
    }

    .settings-tab-panel:not([hidden]) {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 24px;
    }

    .settings-tab-panel > :only-child {
        grid-column: 1 / -1;
    }

    .settings-tab-panel > .settings-rule-summary {
        grid-column: 1 / -1;
    }

    .settings-tab-panel .parameter-group:nth-child(2),
    .settings-tab-panel .parameter-details:nth-child(2) {
        border-top: 0;
    }

    .settings-rule-summary .filter-rules {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0 20px;
    }

    .settings-rule-summary .rule-section + .rule-section {
        margin-top: 0;
        padding-top: 0;
        border-top: 0;
    }

    .backtest-results-grid {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: minmax(300px, 0.85fr) minmax(420px, 1.15fr);
    }
}

@media (max-width: 900px) {
    .app-shell {
        padding: 10px;
    }

    .topbar {
        height: auto;
        align-items: flex-start;
        padding: 4px 2px 12px;
    }

    .topbar-status {
        max-width: 52%;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .topbar {
        flex-wrap: wrap;
    }

    .view-tabs {
        order: 3;
        width: 100%;
        margin-top: 8px;
    }

    .view-tabs button {
        flex: 1;
    }

    .workspace {
        height: auto;
        grid-template-columns: 1fr;
    }

    .sidebar {
        height: 420px;
        min-height: 420px;
    }

    .settings-panel {
        grid-row: 2;
    }

    .settings-scroll {
        display: block;
    }

    .settings-primary {
        grid-template-columns: 1fr;
    }

    .settings-primary .parameter-row + .parameter-row {
        border-top: 1px solid var(--border-soft);
        border-left: 0;
        padding-left: 0;
    }

    .settings-tab-panel:not([hidden]) {
        display: block;
    }

    .settings-tab-panel .parameter-group:nth-child(2),
    .settings-tab-panel .parameter-details:nth-child(2) {
        border-top: 1px solid var(--border);
    }

    .settings-rule-summary .filter-rules {
        display: block;
    }

    .settings-rule-summary .rule-section + .rule-section {
        margin-top: 9px;
        padding-top: 8px;
        border-top: 1px solid var(--border-soft);
    }

    .content {
        grid-row: 3;
        height: auto;
        min-height: 650px;
    }

    .metrics {
        grid-template-columns: repeat(2, minmax(135px, 1fr));
    }

    .chart-header {
        align-items: flex-end;
    }

    .footnote {
        flex-direction: column;
        gap: 4px;
    }

    .backtest-workspace {
        height: auto;
        min-height: 0;
        display: block;
    }

    .backtest-workspace > * + * {
        margin-top: 10px;
    }

    .backtest-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .backtest-controls {
        align-items: stretch;
        flex-direction: column;
    }

    .backtest-status {
        grid-template-columns: 1fr 42px;
    }

    .backtest-status > div:first-child {
        grid-column: 1 / -1;
    }

    .backtest-metrics {
        grid-template-columns: repeat(2, minmax(130px, 1fr));
    }

    .backtest-metrics > div {
        border-bottom: 1px solid var(--border-soft);
    }

    .backtest-results-grid {
        display: block;
    }

    .equity-panel,
    .trades-panel {
        height: 360px;
    }

    .trades-panel {
        height: 460px;
        margin-top: 10px;
    }
}

@media (max-width: 520px) {
    html,
    body {
        max-width: 100%;
        overflow-x: hidden;
    }

    .app-shell,
    .workspace,
    .sidebar,
    .settings-panel,
    .content {
        width: 100%;
        min-width: 0;
    }

    .topbar > div:first-child,
    .topbar-status {
        width: 100%;
        max-width: none;
    }

    .topbar-status {
        order: 2;
        margin-top: 8px;
        justify-content: flex-start;
    }

    .topbar-status .divider {
        display: none;
    }

    .view-tabs {
        order: 3;
    }

    h1 {
        font-size: 22px;
    }

    .settings-scroll {
        padding-right: 12px;
        padding-left: 12px;
    }

    .settings-tabs {
        margin-right: 0;
        margin-left: 0;
    }

    .parameter-row {
        gap: 8px;
    }

    .settings-panel .parameter-select {
        width: 108px;
    }

    #activeStrategyInput {
        width: 150px;
    }

    .settings-panel .parameter-value {
        min-width: 100px;
    }

    .settings-panel .parameter-value input {
        width: 64px;
    }

    .settings-panel .filter-timeframe-toggle {
        min-width: 76px;
    }

    .settings-panel .filter-timeframe-toggle b {
        min-width: 28px;
    }
}