/* ─── GitHub design tokens as CSS custom properties ─── */
:root {
    --gitvis-font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --gitvis-font-ui:   system-ui, 'Segoe UI', sans-serif;
    --gitvis-terminal-input-size:  14px;
    --gitvis-terminal-output-size: 13px;
    --gitvis-graph-node-size:      14px; /* never below 14px — FR10, WCAG 1.4.4 */
    --gitvis-split-handle-width:   8px;
}

/* ─── Full-screen app — no page scroll ─── */
html, body {
    margin:   0;
    padding:  0;
    overflow: hidden;
    height:   100%;
    width:    100%;
}

#app {
    height:   100vh;
    width:    100vw;
    overflow: hidden;
}

/* ─── Git graph typography (FR10 — min 14px node labels) ─── */
#git-graph text,
#git-graph .label {
    font-size:   max(var(--gitvis-graph-node-size), 14px) !important;
    font-family: var(--gitvis-font-ui);
}

/* ─── Git graph dark/light theme via CSS vars (AC-6 / UX-DR18) ─── */
:root[data-theme="dark"] {
    --gitvis-graph-bg:            #0D1117;
    --gitvis-graph-node-bg:       #161B22;
    --gitvis-graph-node-border:   #30363D;
    --gitvis-graph-node-text:     #E6EDF3;
    --gitvis-graph-edge:          #8B949E;
    --gitvis-graph-branch-0:      #3FB950;
    --gitvis-graph-branch-1:      #58A6FF;
    --gitvis-graph-branch-2:      #BC8CFF;
    --gitvis-graph-branch-3:      #FF7B72;
    --gitvis-graph-branch-4:      #FFA657;
    --gitvis-graph-branch-5:      #79C0FF;
}

:root[data-theme="light"] {
    --gitvis-graph-bg:            #FFFFFF;
    --gitvis-graph-node-bg:       #F6F8FA;
    --gitvis-graph-node-border:   #D0D7DE;
    --gitvis-graph-node-text:     #24292F;
    --gitvis-graph-edge:          #57606A;
    --gitvis-graph-branch-0:      #2DA44E;
    --gitvis-graph-branch-1:      #0969DA;
    --gitvis-graph-branch-2:      #8250DF;
    --gitvis-graph-branch-3:      #CF222E;
    --gitvis-graph-branch-4:      #BC4C00;
    --gitvis-graph-branch-5:      #0550AE;
}

/* ─── Keyboard focus outline — WCAG 2.1 AAA (AC2 Story 5.1) ─── */
/* :focus-visible fires only for keyboard focus, not mouse clicks */
:focus-visible {
    outline:        2px solid #3FB950;
    outline-offset: 2px;
}

:root[data-theme="light"] :focus-visible {
    outline-color: #2DA44E;
}

/* Never hide focus outlines */
:focus:not(:focus-visible) {
    outline: none;
}

/* ─── Suppress all motion when user prefers reduced motion (FR25) ─── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration:        0s !important;
        animation-iteration-count: 1 !important;
        transition-duration:       0s !important;
    }
}

/* ─── Blazor WASM infrastructure — DO NOT REMOVE ─── */
#blazor-error-ui {
    color-scheme: light only;
    background:   lightyellow;
    bottom: 0; left: 0;
    box-shadow:   0 -1px 2px rgba(0,0,0,0.2);
    box-sizing:   border-box;
    display:      none;
    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;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color:   white;
}
.blazor-error-boundary::after { content: "An error has occurred." }

.loading-progress {
    position: absolute; display: block;
    width: 8rem; height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto;
}
.loading-progress circle {
    fill: none; stroke: #e0e0e0;
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}
.loading-progress circle:last-child {
    stroke: #1b6ec2;
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}
.loading-progress-text {
    position: absolute; text-align: center; font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}
.loading-progress-text:after { content: var(--blazor-load-percentage-text, "Loading"); }