:root {
    color-scheme: light;
    --ystrader-font-sans: "Segoe UI Variable Text", "Aptos", "Segoe UI", sans-serif;
    --ystrader-font-mono: "IBM Plex Mono", "Cascadia Mono", Consolas, monospace;
    --ystrader-shell-max-width: 1600px;
    --ystrader-bg: #f5efe5;
    --ystrader-bg-soft: #fbf7f1;
    --ystrader-surface: rgba(255, 252, 247, 0.92);
    --ystrader-surface-elevated: rgba(255, 255, 255, 0.88);
    --ystrader-surface-strong: #fffdf9;
    --ystrader-panel: rgba(255, 252, 247, 0.94);
    --ystrader-border: rgba(81, 93, 87, 0.14);
    --ystrader-border-strong: rgba(81, 93, 87, 0.2);
    --ystrader-text: #1d2a28;
    --ystrader-text-muted: #5b6a65;
    --ystrader-text-subtle: #77847e;
    --ystrader-accent: #1e808f;
    --ystrader-accent-strong: #0d6875;
    --ystrader-accent-soft: rgba(30, 128, 143, 0.12);
    --ystrader-success: #2e8f64;
    --ystrader-success-strong: #1f7250;
    --ystrader-danger: #b34f3b;
    --ystrader-danger-strong: #923a29;
    --ystrader-warning: #b9781f;
    --ystrader-shadow-xs: 0 1px 2px rgba(21, 30, 28, 0.06);
    --ystrader-shadow-soft: 0 14px 34px rgba(33, 46, 42, 0.07);
    --ystrader-shadow-focus: 0 0 0 0.22rem rgba(30, 128, 143, 0.16);
    --ystrader-radius-sm: 0.62rem;
    --ystrader-radius-md: 0.88rem;
    --ystrader-radius-lg: 1.05rem;
    --ystrader-radius-pill: 999px;
    --ystrader-control-height: 2.32rem;
    --ystrader-control-height-sm: 1.82rem;
    --ystrader-transition: 160ms ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html, body {
    min-height: 100%;
    font-family: var(--ystrader-font-sans);
    background:
        radial-gradient(circle at top left, rgba(30, 128, 143, 0.12), transparent 32%),
        radial-gradient(circle at 85% 10%, rgba(223, 156, 82, 0.14), transparent 24%),
        linear-gradient(180deg, #fffaf4, #f7f1e7 58%, #efe6da);
    color: var(--ystrader-text);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body {
    margin: 0;
}

#app {
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--ystrader-text);
    letter-spacing: -0.02em;
    margin-top: 0;
}

p {
    color: var(--ystrader-text-muted);
    line-height: 1.55;
}

a, .btn-link {
    color: var(--ystrader-accent);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.15em;
    transition: color var(--ystrader-transition), opacity var(--ystrader-transition);
}

a:hover,
.btn-link:hover {
    color: var(--ystrader-accent-strong);
}

button,
input,
select,
textarea {
    font: inherit;
}

:focus-visible {
    outline: none;
    box-shadow: var(--ystrader-shadow-focus);
}

.action-button,
.ghost-button,
.mini-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.32rem;
    min-height: var(--ystrader-control-height);
    padding: 0.56rem 0.9rem;
    border-radius: var(--ystrader-radius-pill);
    border: 1px solid var(--ystrader-border);
    background: var(--ystrader-surface-strong);
    color: var(--ystrader-text);
    font: inherit;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    box-shadow: var(--ystrader-shadow-xs);
    transition:
        transform var(--ystrader-transition),
        border-color var(--ystrader-transition),
        background-color var(--ystrader-transition),
        color var(--ystrader-transition),
        box-shadow var(--ystrader-transition);
}

.action-button {
    background: linear-gradient(180deg, #fff6e7, #f9e8c6);
}

.action-button--primary {
    background: linear-gradient(180deg, #1e8898, #136c79);
    border-color: #146d7a;
    color: white;
}

.action-button--danger {
    background: linear-gradient(180deg, #bf5a45, #a04231);
    border-color: #9a3d2d;
    color: white;
}

.ghost-button,
.mini-button {
    background: var(--ystrader-accent-soft);
    color: var(--ystrader-accent-strong);
}

.action-button:disabled,
.ghost-button:disabled,
.mini-button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    box-shadow: none;
}

.action-button:not(:disabled):hover,
.ghost-button:not(:disabled):hover,
.mini-button:not(:disabled):hover,
.btn:not(:disabled):hover {
    transform: translateY(-1px);
    border-color: var(--ystrader-border-strong);
}

.action-button--primary:not(:disabled):hover,
.action-button--danger:not(:disabled):hover {
    color: white;
}

.btn {
    min-height: var(--ystrader-control-height);
    padding: 0.56rem 0.9rem;
    border-radius: var(--ystrader-radius-pill);
    font-weight: 700;
    letter-spacing: 0.01em;
    border-color: var(--ystrader-border);
    box-shadow: var(--ystrader-shadow-xs);
    transition:
        transform var(--ystrader-transition),
        box-shadow var(--ystrader-transition),
        border-color var(--ystrader-transition);
}

.btn-primary {
    background: linear-gradient(180deg, #1e8898, #136c79);
    border-color: #146d7a;
}

.btn-outline-primary {
    color: var(--ystrader-accent-strong);
    border-color: rgba(30, 128, 143, 0.32);
}

.btn-danger {
    background: linear-gradient(180deg, #bf5a45, #a04231);
    border-color: #9a3d2d;
}

.form-control,
.form-select {
    min-height: var(--ystrader-control-height);
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--ystrader-text);
    border-color: var(--ystrader-border);
    border-radius: var(--ystrader-radius-md);
    padding: 0.56rem 0.8rem;
    box-shadow: inset 0 1px 1px rgba(18, 28, 24, 0.03);
}

.form-control:focus,
.form-select:focus {
    background-color: rgba(255, 255, 255, 0.98);
    border-color: rgba(30, 128, 143, 0.48);
    box-shadow: var(--ystrader-shadow-focus);
    color: var(--ystrader-text);
}

.form-control::placeholder {
    color: rgba(91, 106, 101, 0.72);
}

.form-label {
    color: var(--ystrader-text-muted);
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.input-group-text {
    border-color: var(--ystrader-border);
    background: rgba(247, 242, 235, 0.92);
    color: var(--ystrader-text-muted);
}

.form-check-input {
    background-color: rgba(255, 255, 255, 0.9);
    border-color: rgba(81, 93, 87, 0.22);
}

.form-check-input:checked {
    background-color: var(--ystrader-accent);
    border-color: var(--ystrader-accent);
}

.content {
    padding-top: 0;
}

#blazor-error-ui {
    color-scheme: light only;
    background: #fff5d0;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.boot-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
}

.boot-shell__panel {
    width: min(34rem, 100%);
    display: grid;
    gap: 0.9rem;
    padding: 1.85rem;
    border-radius: 1.4rem;
    border: 1px solid var(--ystrader-border-strong);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(251, 248, 242, 0.96));
    box-shadow: var(--ystrader-shadow-soft);
}

.boot-shell__eyebrow {
    color: var(--ystrader-accent-strong);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.boot-shell__panel h1 {
    margin: 0;
    font-size: clamp(1.55rem, 1.2rem + 1vw, 2.1rem);
    font-weight: 750;
    letter-spacing: -0.04em;
}

.boot-shell__panel p {
    margin: 0;
    color: var(--ystrader-text-muted);
}

.boot-shell__progress {
    position: relative;
    height: 0.55rem;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(30, 128, 143, 0.1);
}

.boot-shell__progress-bar {
    display: block;
    height: 100%;
    width: var(--blazor-load-percentage, 0%);
    border-radius: inherit;
    background: linear-gradient(90deg, #1e8898, #d48a46);
    transition: width 0.08s ease-out;
}

.boot-shell__status {
    color: var(--ystrader-text-subtle);
    font-family: var(--ystrader-font-mono);
    font-size: 0.82rem;
}

.boot-shell__status:after {
    content: var(--blazor-load-percentage-text, "Starting");
}

.blazor-error-boundary {
    background: linear-gradient(180deg, #7a1010, #4f0c0c);
    color: white;
    padding: 1rem 1rem 1rem 3.7rem;
    border-radius: 1rem;
}

code {
    color: var(--ystrader-accent-strong);
    font-family: var(--ystrader-font-mono);
}

.field-help {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.1rem;
    height: 1.1rem;
    padding: 0;
    border-radius: 999px;
    border: 1px solid rgba(34, 114, 141, 0.24);
    background: rgba(213, 238, 245, 0.68);
    color: #0d5e74;
    font: inherit;
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1;
    cursor: help;
    outline: none;
}

.field-help:focus-visible {
    box-shadow: 0 0 0 3px rgba(84, 153, 255, 0.18);
}

.field-help-popover {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1105;
    display: grid;
    gap: 0.42rem;
    width: min(20rem, calc(100vw - 1.5rem));
    padding: 0.7rem 0.78rem;
    border: 1px solid rgba(58, 76, 65, 0.14);
    border-radius: 0.9rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(251, 248, 242, 0.98));
    box-shadow: 0 12px 24px rgba(30, 37, 35, 0.12);
    color: var(--ystrader-text);
    font-size: 0.74rem;
    line-height: 1.35;
    text-transform: none;
    letter-spacing: normal;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-0.15rem);
    transition: opacity 120ms ease, transform 120ms ease, visibility 120ms ease;
}

.field-help-popover[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.field-help-popover[data-placement="top"][data-open="true"] {
    transform: translateY(0);
}

.field-help-popover__item {
    display: grid;
    gap: 0.12rem;
}

.field-help-popover__label {
    color: var(--ystrader-text-subtle);
    font-size: 0.64rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

@media (max-width: 640px) {
    .action-button,
    .ghost-button,
    .btn {
        min-height: 2.35rem;
    }

    .form-control,
    .form-select {
        min-height: 2.35rem;
    }
}