/* DevTools shared stylesheet — served as _content/DevTools.Ui/devtools.css
   in every host. Plain global CSS (no scoped-CSS bundles to wire up). */

:root {
    --dt-bg: #f8fafc;
    --dt-surface: #ffffff;
    --dt-border: #e2e8f0;
    --dt-text: #0f172a;
    --dt-text-muted: #64748b;
    --dt-accent: #2563eb;
    --dt-accent-hover: #1d4ed8;
    --dt-sidebar-bg: #0f172a;
    --dt-sidebar-text: #cbd5e1;
    --dt-sidebar-active: #1e293b;
    --dt-error-bg: #fef2f2;
    --dt-error-border: #fecaca;
    --dt-error-text: #b91c1c;
    --dt-mono: Consolas, "Cascadia Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    height: 100%;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    color: var(--dt-text);
    background: var(--dt-bg);
}

#app { height: 100%; }

/* ---- shell ---- */

.dt-app {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.dt-sidebar {
    width: 220px;
    flex-shrink: 0;
    background: var(--dt-sidebar-bg);
    color: var(--dt-sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 0.75rem 0.5rem;
    gap: 0.75rem;
}

.dt-brand {
    display: block;
    color: #ffffff;
    text-decoration: none;
    font-size: 1.15rem;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
}

.dt-brand-icon { margin-right: 0.35rem; }

.dt-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.dt-nav-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--dt-sidebar-text);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.95rem;
}

.dt-nav-item:hover { background: var(--dt-sidebar-active); color: #ffffff; }

.dt-nav-item.active {
    background: var(--dt-sidebar-active);
    color: #ffffff;
    box-shadow: inset 2px 0 0 var(--dt-accent);
}

.dt-nav-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 1.9rem;
    height: 1.4rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    font-family: var(--dt-mono);
    font-size: 0.8rem;
}

.dt-main {
    flex: 1;
    overflow: auto;
    display: flex;
    flex-direction: column;
}

/* ---- home ---- */

.dt-home { padding: 2rem; }

.dt-home h1 { margin: 0 0 0.25rem; }

.dt-home-lead { color: var(--dt-text-muted); margin: 0 0 1.5rem; }

.dt-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    max-width: 900px;
}

.dt-card {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    background: var(--dt-surface);
    border: 1px solid var(--dt-border);
    border-radius: 10px;
    padding: 1.1rem;
    text-decoration: none;
    color: var(--dt-text);
    transition: border-color 0.12s, box-shadow 0.12s;
}

.dt-card:hover {
    border-color: var(--dt-accent);
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.12);
}

.dt-card-icon {
    font-family: var(--dt-mono);
    font-weight: 700;
    color: var(--dt-accent);
    font-size: 1.2rem;
}

.dt-card-name { font-weight: 600; }

.dt-card-desc { color: var(--dt-text-muted); font-size: 0.88rem; }

/* ---- tool page ---- */

.dt-tool-page {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    padding: 1.25rem 1.5rem;
    gap: 0.75rem;
}

.dt-tool-page h1 {
    margin: 0;
    font-size: 1.35rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.dt-tool-icon {
    font-family: var(--dt-mono);
    color: var(--dt-accent);
    background: var(--dt-surface);
    border: 1px solid var(--dt-border);
    border-radius: 6px;
    padding: 0.1rem 0.45rem;
    font-size: 1.05rem;
}

.dt-tool {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    gap: 0.75rem;
}

.dt-toolbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dt-indent {
    margin-left: auto;
    color: var(--dt-text-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.dt-indent select {
    padding: 0.3rem 0.4rem;
    border: 1px solid var(--dt-border);
    border-radius: 6px;
    background: var(--dt-surface);
    font: inherit;
    color: inherit;
}

/* ---- panes ---- */

.dt-panes {
    display: flex;
    flex: 1;
    min-height: 0;
    gap: 1rem;
}

.dt-panes-with-middle { align-items: stretch; }

.dt-middle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.6rem;
}

.dt-pane {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    min-height: 0;
    gap: 0.3rem;
}

.dt-pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dt-pane-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dt-text-muted);
}

.dt-pane-actions { display: flex; gap: 0.35rem; }

.dt-editor {
    flex: 1;
    min-height: 260px;
    resize: none;
    padding: 0.7rem;
    border: 1px solid var(--dt-border);
    border-radius: 8px;
    background: var(--dt-surface);
    color: var(--dt-text);
    font-family: var(--dt-mono);
    font-size: 0.9rem;
    line-height: 1.45;
    white-space: pre;
    overflow-wrap: normal;
    overflow: auto;
}

.dt-editor:focus {
    outline: 2px solid var(--dt-accent);
    outline-offset: -1px;
    border-color: transparent;
}

.dt-editor[readonly] { background: #f1f5f9; }

/* ---- buttons ---- */

.dt-btn {
    padding: 0.45rem 0.9rem;
    border: 1px solid var(--dt-border);
    border-radius: 7px;
    background: var(--dt-surface);
    color: var(--dt-text);
    font: inherit;
    font-size: 0.9rem;
    cursor: pointer;
}

.dt-btn:hover:not(:disabled) { border-color: var(--dt-accent); color: var(--dt-accent); }

.dt-btn:disabled { opacity: 0.45; cursor: default; }

.dt-btn-primary {
    background: var(--dt-accent);
    border-color: var(--dt-accent);
    color: #ffffff;
}

.dt-btn-primary:hover:not(:disabled) {
    background: var(--dt-accent-hover);
    border-color: var(--dt-accent-hover);
    color: #ffffff;
}

.dt-btn-small { padding: 0.2rem 0.6rem; font-size: 0.8rem; }

/* ---- error banner ---- */

.dt-error {
    background: var(--dt-error-bg);
    border: 1px solid var(--dt-error-border);
    color: var(--dt-error-text);
    border-radius: 8px;
    padding: 0.6rem 0.9rem;
    font-size: 0.9rem;
    font-family: var(--dt-mono);
    white-space: pre-wrap;
}

/* ---- narrow windows: stack panes vertically ---- */

@media (max-width: 900px) {
    .dt-panes { flex-direction: column; }
    .dt-middle { flex-direction: row; justify-content: flex-start; }
    .dt-editor { min-height: 160px; }
}