/* ==========================================================
   THEME: Neon · near-black, electric cyan, glowing edges (DARK)
   Personality: tech, futuristic, hacker aesthetic, bold.
   Font: JetBrains Mono. Near-black slide, cyan glowing title band,
   dark callout surfaces with full colored borders. Overrides reveal
   vars so body text/headings stay light on the dark cascade.
   ========================================================== */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400;0,600;0,700;1,400&display=swap');
@import url('./base.css');

:root {
    --accent:        #00f5d4;   /* electric cyan */
    --ink:           #e0f7f4;   /* soft cyan-white, >12:1 on bg */
    --bg:            #0e0e12;    /* near-black, cyan-tinted */

    /* cover / full-color slides (title v5, closing v2) — inverted: bright cyan */
    --cover-bg:      #00f5d4;
    --cover-ink:     #07120f;
    --cover-accent:  #0a2e2a;

    --font-heading:  'JetBrains Mono', ui-monospace, monospace;
    --font-body:     'JetBrains Mono', ui-monospace, monospace;
    --font-mono:     'JetBrains Mono', ui-monospace, monospace;

    --slide-gap:     26px;
    --slide-pad:     1% 2% 2% 2%;

    /* DARK: override reveal's own vars (specificity (0,2,1) beats ours). */
    --r-background-color: #0e0e12;
    --r-main-color:       #e0f7f4;
    --r-heading-color:    #00f5d4;
    --r-link-color:       #00f5d4;

    /* Title band: dark teal surface, cyan glowing text */
    --heading-color:        #00f5d4;
    --heading-bg:           #10201e;
    --heading-radius:       4px;
    --heading-pad:          0.4em 0.7em;
    --heading-align:        left;
    --heading-font-weight:  700;
    --heading-letter-spacing: -0.02em;
    --heading-shadow:       0 0 20px rgba(0, 245, 212, 0.18),
                            inset 0 0 30px rgba(0, 245, 212, 0.03);

    /* Callouts: explicit dark surfaces, full colored borders, faint glow */
    --box-radius:        4px;
    --box-border-width:  2px;
    --box-shadow:        0 0 12px rgba(0, 245, 212, 0.12);
    --box-info:     #00f5d4;  --box-info-bg:    #0c1b1a;
    --box-warning:  #ffc828;  --box-warning-bg: #1a1700;
    --box-danger:   #ff5050;  --box-danger-bg:  #1a0c0c;
    --box-success:  #32e678;  --box-success-bg: #0c1a0e;

    --table-head-bg:    #0e1c1b;
    --table-head-color: #00f5d4;
    --row-highlight:    #14311b;

    --surface:    #10201e;
    --muted:      #7bbab5;       /* ~7:1 on bg */
    --rule:       #1e3432;
    --code-bg:    #0e1c1b;
    --code-color: #00f5d4;
    --link-color: #00f5d4;
}

/* Near-black background + a very subtle scanline */
.reveal-viewport,
body { background-color: #0e0e12; }
body {
    background-image: repeating-linear-gradient(
        0deg, transparent, transparent 3px,
        rgba(0, 245, 212, 0.012) 3px, rgba(0, 245, 212, 0.012) 4px);
}

/* Glowing title text */
.reveal .orz-title h2 {
    text-shadow: 0 0 18px rgba(0, 245, 212, 0.7), 0 0 40px rgba(0, 245, 212, 0.3);
    border: 1px solid #1e4d47;
}

/* Glowing accent sub-headings + strong */
.reveal .markdown-body h3,
.reveal .markdown-body h4,
.reveal .markdown-body strong {
    text-shadow: 0 0 12px rgba(0, 245, 212, 0.45);
}

/* Terminal-style code + uppercase table headers */
.reveal .markdown-body th {
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.66em;
}
.reveal .markdown-body a {
    text-decoration: none;
    border-bottom: 1px dashed #1e6b63;
}

/* Mermaid + charts render with light defaults; on this dark theme give them a soft
   translucent light panel so they stay legible (matches the orz-markdown fix). */
.reveal .markdown-body .mermaid,
.reveal .markdown-body canvas.orz-chart {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    padding: 0.5rem;
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
}