* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-primary: oklch(0.55 0.15 250);
    --color-primary-light: oklch(0.92 0.05 250);
    --color-danger: oklch(0.55 0.2 25);
    --color-success: oklch(0.6 0.18 145);
    --color-warning: oklch(0.75 0.15 80);
    --color-text: oklch(0.2 0 0);
    --color-text-muted: oklch(0.5 0 0);
    --color-bg: oklch(0.98 0 0);
    --color-surface: oklch(1 0 0);
    --color-border: oklch(0.85 0 0);
    --spacing: 1rem;
    --radius: 0.375rem;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100dvh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    container-type: inline-size;
}

header {
    display: flex;
    align-items: center;
    gap: var(--spacing);
    padding: var(--spacing);
    background: var(--color-surface);
    border-block-end: 1px solid var(--color-border);

    & h1 {
        font-size: clamp(1.2rem, 2vw, 1.5rem);
        & a { color: inherit; text-decoration: none; }
    }

    & nav {
        display: flex;
        gap: var(--spacing);
        & a {
            color: var(--color-primary);
            text-decoration: none;
            font-weight: 500;
            &:hover { text-decoration: underline; }
        }
    }
}

main {
    padding: var(--spacing);
    max-inline-size: 72rem;
    inline-size: 100%;
    margin-inline: auto;
}

footer {
    padding: var(--spacing);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    border-block-start: 1px solid var(--color-border);
}

/* Auth bar */
b-auth-bar {
    margin-inline-start: auto;

    & .auth-bar {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        & .groups { color: var(--color-text-muted); font-size: 0.8rem; }
    }
}

/* Buttons */
button {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    cursor: pointer;
    font: inherit;
    &:hover:not(:disabled) { background: var(--color-primary-light); }
    &:disabled { opacity: 0.5; cursor: not-allowed; }
    &:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
}

/* Dashboard */
.dashboard {
    & h2 { margin-block-end: var(--spacing); }

    & dl {
        display: grid;
        grid-template-columns: auto 1fr;
        gap: 0.25rem 1rem;
        margin-block-end: var(--spacing);
        & dt { font-weight: 600; }
    }

    & .actions {
        display: flex;
        gap: 0.5rem;
    }
}

.status-running { color: var(--color-success); font-weight: 600; }
.status-stopped { color: var(--color-danger); font-weight: 600; }
.status-stopping, .status-starting { color: var(--color-warning); font-weight: 600; }

/* Connection form */
.connection-form {
    margin-block-end: var(--spacing);

    & fieldset {
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
        padding: var(--spacing);

        & legend { font-weight: 600; padding-inline: 0.5rem; }
    }

    & label {
        display: block;
        margin-block-end: 0.5rem;
        font-size: 0.875rem;
        font-weight: 500;
    }

    & input {
        display: block;
        inline-size: 100%;
        padding: 0.4rem 0.5rem;
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
        font: inherit;
        margin-block-start: 0.2rem;
        &:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 1px; }
    }
}

@container (min-width: 40rem) {
    .connection-form fieldset {
        display: grid;
        grid-template-columns: 1fr 5rem 1fr 1fr;
        gap: 0.5rem;
        & legend { grid-column: 1 / -1; }
    }
}

/* File browser */
.browser-panel {
    & .path-bar {
        display: flex;
        gap: 0.5rem;
        align-items: end;
        margin-block-end: var(--spacing);
        & label { flex: 1; font-size: 0.875rem; font-weight: 500; }
        & input {
            display: block;
            inline-size: 100%;
            padding: 0.4rem 0.5rem;
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            font: inherit;
            margin-block-start: 0.2rem;
        }
    }
}

.file-list {
    inline-size: 100%;
    border-collapse: collapse;
    margin-block-end: var(--spacing);

    & th, & td {
        padding: 0.4rem 0.75rem;
        text-align: start;
        border-block-end: 1px solid var(--color-border);
    }

    & th { font-weight: 600; background: var(--color-primary-light); }
    & tr:hover td { background: var(--color-primary-light); }
    & a { color: var(--color-primary); text-decoration: none; &:hover { text-decoration: underline; } }
}

.upload-form {
    display: flex;
    align-items: end;
    gap: 0.5rem;
    & label { font-size: 0.875rem; font-weight: 500; }
    & input[type="file"] { margin-block-start: 0.2rem; }
}

/* Utility */
.error { color: var(--color-danger); margin-block-end: 0.5rem; }
.loading { color: var(--color-text-muted); font-style: italic; }
.hint { color: var(--color-text-muted); margin-block: var(--spacing); }

/* Dark mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-text: oklch(0.9 0 0);
        --color-text-muted: oklch(0.6 0 0);
        --color-bg: oklch(0.15 0 0);
        --color-surface: oklch(0.2 0 0);
        --color-border: oklch(0.35 0 0);
        --color-primary-light: oklch(0.25 0.05 250);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}