/* =============================================================================
   Calcr Theme System - Lightweight, self-contained themes
   ============================================================================= */

:root {
    --font-mono: ui-monospace, Menlo, Monaco, "Cascadia Mono", "Segoe UI Mono", "Roboto Mono", "Oxygen Mono", "Ubuntu Monospace", "Source Code Pro", "Fira Mono", "Droid Sans Mono", "Courier New", monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    /* Default to Tokyo Theme */
    --main-bg-color: #1a1b26;
    --calc-bg-color: #24283b;
    --calc-color: #c0caf5;
    --calc-result-color: #f472b6;
    --calc-row-type-color: #ff9e64;
    --calc-comment-color: #565f89;
    --calc-border-color: rgba(255, 255, 255, 0.08);
    --calc-card-edge: rgba(255, 255, 255, 0.06);
    --calc-selection-bg: rgba(122, 162, 247, 0.25);
    --accent: #f472b6;
}

/* Tokyo Theme (Default) */
.theme-tokyo, body.theme-tokyo {
    --main-bg-color: #1a1b26;
    --calc-bg-color: #24283b;
    --calc-color: #c0caf5;
    --calc-result-color: #f472b6;
    --calc-row-type-color: #ff9e64;
    --calc-comment-color: #565f89;
    --calc-border-color: rgba(255, 255, 255, 0.08);
    --calc-card-edge: rgba(255, 255, 255, 0.06);
    --calc-selection-bg: rgba(122, 162, 247, 0.25);
    --accent: #f472b6;
}

/* Night Theme */
.theme-night, body.theme-night {
    --main-bg-color: #1e2336;
    --calc-bg-color: #23283d;
    --calc-color: #b8bfe8;
    --calc-result-color: #c55970;
    --calc-row-type-color: #db8152;
    --calc-comment-color: #5578b9;
    --calc-border-color: rgba(255, 255, 255, 0.08);
    --calc-card-edge: rgba(255, 255, 255, 0.06);
    --calc-selection-bg: rgba(106, 113, 147, 0.35);
    --accent: #c55970;
}

/* Dark Slate Theme */
.theme-dark, body.theme-dark {
    --main-bg-color: #0f172a;
    --calc-bg-color: #1e293b;
    --calc-color: #f1f5f9;
    --calc-result-color: #38bdf8;
    --calc-row-type-color: #c084fc;
    --calc-comment-color: #64748b;
    --calc-border-color: rgba(255, 255, 255, 0.1);
    --calc-card-edge: rgba(255, 255, 255, 0.08);
    --calc-selection-bg: rgba(56, 189, 248, 0.25);
    --accent: #38bdf8;
}

/* Clean Light Theme */
.theme-light, body.theme-light {
    --main-bg-color: #f8fafc;
    --calc-bg-color: #ffffff;
    --calc-color: #0f172a;
    --calc-result-color: #0284c7;
    --calc-row-type-color: #7c3aed;
    --calc-comment-color: #94a3b8;
    --calc-border-color: rgba(0, 0, 0, 0.08);
    --calc-card-edge: rgba(0, 0, 0, 0.06);
    --calc-selection-bg: rgba(2, 132, 199, 0.15);
    --accent: #0284c7;
}

/* Retro Terminal Theme */
.theme-terminal, body.theme-terminal {
    --main-bg-color: #0a0e14;
    --calc-bg-color: #020408;
    --calc-color: #4ade80;
    --calc-result-color: #22c55e;
    --calc-row-type-color: #eab308;
    --calc-comment-color: #166534;
    --calc-border-color: rgba(34, 197, 94, 0.2);
    --calc-card-edge: rgba(34, 197, 94, 0.15);
    --calc-selection-bg: rgba(34, 197, 94, 0.25);
    --accent: #22c55e;
}