/* ===========================================
   DEBUG TOOLS — grid overlay, spacing, fonts, baseline, text blocks
   Toggle keys: G (spacing) | H (grid) | T (fonts) | B (baseline) | R (textblocks)
   =========================================== */

/* Grid overlay — toggle with H key */
.grid-overlay {
    display: none;
    position: fixed;
    top: 0;
    bottom: 0;
    z-index: 9998;
    pointer-events: none;
    left: 50%;
    transform: translateX(-50%);
    width: min(1140px, 100%);
    padding: 0;
}
.grid-overlay.visible {
    display: flex;
}
.grid-overlay-inner {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    column-gap: 0;
    width: 100%;
    height: 100%;
}
.grid-col {
    position: relative;
    background: linear-gradient(
        90deg,
        rgba(211, 54, 130, 0.10) 16px,
        rgba(42, 161, 152, 0.12) 16px,
        rgba(42, 161, 152, 0.12) calc(100% - 16px),
        rgba(211, 54, 130, 0.10) calc(100% - 16px)
    );
}
.grid-col::before {
    content: attr(data-col);
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-label);
    font-size: 9px !important;
    color: rgba(42, 161, 152, 0.25);
}
.grid-col::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 1px;
    background: rgba(42, 161, 152, 0.35);
}
.grid-col:last-child .grid-edge {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    width: 1px;
    background: rgba(42, 161, 152, 0.35);
}

/* Debug spacing overlay — toggle with G key */

/* Content area — light blue tint on all elements */
.debug-spacing * {
    outline: 1px solid rgba(38, 139, 210, 0.2) !important;
    background-color: rgba(38, 139, 210, 0.04) !important;
}

/* Padding area — green/teal inset shadows matching per-side padding */
.debug-spacing [data-haspadding] {
    box-shadow:
        inset var(--dbg-pl) 0 0 0 rgba(42, 161, 152, 0.18),
        inset calc(-1 * var(--dbg-pr)) 0 0 0 rgba(42, 161, 152, 0.18),
        inset 0 var(--dbg-pt) 0 0 rgba(42, 161, 152, 0.18),
        inset 0 calc(-1 * var(--dbg-pb)) 0 0 rgba(42, 161, 152, 0.18) !important;
}

/* Margin area — orange dashed outline */
.debug-spacing [data-hasmargin] {
    outline: 2px dashed rgba(203, 75, 22, 0.5) !important;
}

/* Box model label (margin + padding values) */
.debug-spacing [data-boxmodel]::after {
    content: attr(data-boxmodel);
    font-family: monospace !important;
    font-size: 9px !important;
    line-height: 1 !important;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 2px 5px;
    pointer-events: none;
    white-space: nowrap;
    display: inline-block;
    position: relative;
    z-index: 9999;
    vertical-align: top;
    margin-left: 4px;
}

/* Color-coded parts of the label */
.debug-spacing [data-boxmodel] [data-m] { color: #cb4b16; }
.debug-spacing [data-boxmodel] [data-p] { color: #2aa198; }

/* Font size debug — toggle with T key */
.debug-fontsize [data-fontsize] {
    position: relative;
}
.debug-fontsize [data-fontsize]::before {
    content: attr(data-fontsize);
    position: absolute;
    top: -12px;
    left: 0;
    font-family: monospace !important;
    font-size: 9px !important;
    line-height: 1 !important;
    background: rgba(38, 139, 210, 0.85);
    color: #fff;
    padding: 1px 4px;
    pointer-events: none;
    z-index: 9999;
    white-space: nowrap;
}

/* Baseline grid — toggle with B key */
#baseline-grid {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9997;
    pointer-events: none;
    --baseline: 8px;
    --bl-offset: 0px;
    background-image: repeating-linear-gradient(
        to bottom,
        transparent 0,
        transparent calc(var(--baseline) - 1px),
        rgba(211, 54, 130, 0.12) calc(var(--baseline) - 1px),
        rgba(211, 54, 130, 0.12) var(--baseline)
    );
    background-position: 0 var(--bl-offset);
}
#baseline-grid.visible {
    display: block;
}
#baseline-label {
    display: none;
    position: fixed;
    top: 8px;
    right: 8px;
    z-index: 9998;
    font-family: monospace;
    font-size: 10px !important;
    background: rgba(211, 54, 130, 0.85);
    color: #fff;
    padding: 2px 6px;
    pointer-events: none;
}
#baseline-grid.visible ~ #baseline-label {
    display: block;
}

/* Font Cycler HUD */
#font-hud {
    display: none;
    position: fixed;
    bottom: 16px;
    left: 16px;
    z-index: 9999;
    background: var(--color-bg-dark-surface);
    color: var(--color-bg-alt);
    font-family: monospace;
    font-size: 12px !important;
    line-height: 1.6;
    padding: 12px 16px;
    max-width: 480px;
    border-top: none;
    opacity: 0.92;
}
#font-hud.hud-visible {
    display: block;
}
.hud-color-cyan { color: #2aa198; }
.hud-color-blue { color: #268bd2; }
.hud-color-yellow { color: #b58900; }
.hud-color-muted { color: var(--color-subtle); }
.hud-color-white { color: #fff; }
.hud-help {
    color: var(--color-subtle);
    margin-top: 6px;
    border-top: 1px solid var(--color-text);
    padding-top: 6px;
}

/* Text block debug — toggle with R key */
.debug-textblocks .text-redact {
    color: transparent !important;
    background: var(--sol-base1);
    border-radius: 2px;
    display: inline;
}

/* Responsive debug */
@media (max-width: 900px) {
    .grid-overlay {
        width: 100%;
        left: 0;
        transform: none;
        padding: 0;
    }
}