spe/docs/site.css at main · markc/spe · GitHub

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/* SPE Theme - OKLCH Color System
 * Perceptually uniform colors with consistent lightness across schemes
 * L: lightness (0-100%), C: chroma (0-0.4), H: hue (0-360)
 * Copyright (C) 2015-2026 Mark Constable <mc@netserva.org> (MIT License)
 */

/* === Light Theme (Stone - Default) === */
:root {
    /* Hue: 60 (warm neutral) | Chroma: 0.02 (subtle) */
    --bg-primary:   oklch(98% 0.005 60);
    --bg-secondary: oklch(96% 0.008 60);
    --bg-tertiary:  oklch(92% 0.012 60);
    --fg-primary:   oklch(25% 0.02 60);
    --fg-secondary: oklch(45% 0.02 60);
    --fg-muted:     oklch(55% 0.015 60);
    --accent:       oklch(45% 0.05 60);
    --accent-hover: oklch(35% 0.06 60);
    --accent-fg:    oklch(98% 0.005 60);
    --accent-subtle:oklch(92% 0.015 60);
    --border:       oklch(85% 0.01 60);
    --border-muted: oklch(90% 0.008 60);
    /* Semantic (fixed hues) */
    --success:      oklch(45% 0.15 145);
    --danger:       oklch(55% 0.2 25);
    --warning:      oklch(70% 0.15 85);
    /* Effects */
    --glass:        oklch(98% 0.005 60 / 0.8);
    --glass-border: oklch(85% 0.01 60 / 0.5);
    /* Brand */
    --php:          oklch(55% 0.1 285);
}

/* === Dark Theme (System Preference) === */
@media (prefers-color-scheme: dark) {
    :root:not(.light) {
        --bg-primary:   oklch(12% 0.01 60);
        --bg-secondary: oklch(16% 0.012 60);
        --bg-tertiary:  oklch(22% 0.015 60);
        --fg-primary:   oklch(95% 0.01 60);
        --fg-secondary: oklch(75% 0.015 60);
        --fg-muted:     oklch(55% 0.015 60);
        --accent:       oklch(80% 0.03 60);
        --accent-hover: oklch(90% 0.02 60);
        --accent-fg:    oklch(20% 0.02 60);
        --accent-subtle:oklch(25% 0.02 60);
        --border:       oklch(30% 0.015 60);
        --border-muted: oklch(22% 0.012 60);
        --success:      oklch(70% 0.15 145);
        --danger:       oklch(70% 0.18 25);
        --warning:      oklch(80% 0.15 85);
        --glass:        oklch(16% 0.012 60 / 0.85);
        --glass-border: oklch(30% 0.015 60 / 0.5);
        /* Shadows need higher opacity on dark backgrounds */
        --shadow-sm: 0 1px 3px rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
        --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
        --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    }
}

/* === Dark Theme (Toggle Override) === */
html.dark {
    --bg-primary:   oklch(12% 0.01 60);
    --bg-secondary: oklch(16% 0.012 60);
    --bg-tertiary:  oklch(22% 0.015 60);
    --fg-primary:   oklch(95% 0.01 60);
    --fg-secondary: oklch(75% 0.015 60);
    --fg-muted:     oklch(55% 0.015 60);
    --accent:       oklch(80% 0.03 60);
    --accent-hover: oklch(90% 0.02 60);
    --accent-fg:    oklch(20% 0.02 60);
    --accent-subtle:oklch(25% 0.02 60);
    --border:       oklch(30% 0.015 60);
    --border-muted: oklch(22% 0.012 60);
    --success:      oklch(70% 0.15 145);
    --danger:       oklch(70% 0.18 25);
    --warning:      oklch(80% 0.15 85);
    --glass:        oklch(16% 0.012 60 / 0.85);
    --glass-border: oklch(30% 0.015 60 / 0.5);
    /* Shadows need higher opacity on dark backgrounds */
    --shadow-sm: 0 1px 3px rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
}

/* === Color Schemes ===
 * Same lightness structure, only hue changes:
 * Stone: H=60 | Ocean: H=220 | Forest: H=150 | Sunset: H=45
 */

/* Ocean (H=220 cyan-blue, higher chroma for vibrancy) */
.scheme-ocean:not(.dark) {
    --bg-primary:   oklch(98% 0.008 220);
    --bg-secondary: oklch(96% 0.012 220);
    --bg-tertiary:  oklch(92% 0.018 220);
    --fg-primary:   oklch(25% 0.06 220);
    --fg-secondary: oklch(40% 0.08 220);
    --fg-muted:     oklch(50% 0.06 220);
    --accent:       oklch(55% 0.12 220);
    --accent-hover: oklch(60% 0.14 220);
    --accent-fg:    oklch(98% 0.01 220);
    --accent-subtle:oklch(92% 0.025 220);
    --border:       oklch(85% 0.02 220);
    --border-muted: oklch(90% 0.015 220);
    --glass:        oklch(98% 0.008 220 / 0.8);
    --glass-border: oklch(85% 0.02 220 / 0.5);
}
.scheme-ocean.dark {
    --bg-primary:   oklch(12% 0.015 220);
    --bg-secondary: oklch(16% 0.02 220);
    --bg-tertiary:  oklch(22% 0.025 220);
    --fg-primary:   oklch(95% 0.02 220);
    --fg-secondary: oklch(75% 0.05 220);
    --fg-muted:     oklch(55% 0.04 220);
    --accent:       oklch(75% 0.12 220);
    --accent-hover: oklch(85% 0.1 220);
    --accent-fg:    oklch(15% 0.04 220);
    --accent-subtle:oklch(25% 0.04 220);
    --border:       oklch(30% 0.03 220);
    --border-muted: oklch(22% 0.02 220);
    --glass:        oklch(16% 0.02 220 / 0.85);
    --glass-border: oklch(30% 0.03 220 / 0.5);
}

/* Forest (H=150 green) */
.scheme-forest:not(.dark) {
    --bg-primary:   oklch(98% 0.008 150);
    --bg-secondary: oklch(96% 0.012 150);
    --bg-tertiary:  oklch(92% 0.018 150);
    --fg-primary:   oklch(25% 0.06 150);
    --fg-secondary: oklch(40% 0.08 150);
    --fg-muted:     oklch(50% 0.06 150);
    --accent:       oklch(50% 0.12 150);
    --accent-hover: oklch(55% 0.14 150);
    --accent-fg:    oklch(98% 0.01 150);
    --accent-subtle:oklch(92% 0.025 150);
    --border:       oklch(85% 0.02 150);
    --border-muted: oklch(90% 0.015 150);
    --glass:        oklch(98% 0.008 150 / 0.8);
    --glass-border: oklch(85% 0.02 150 / 0.5);
}
.scheme-forest.dark {
    --bg-primary:   oklch(12% 0.015 150);
    --bg-secondary: oklch(16% 0.02 150);
    --bg-tertiary:  oklch(22% 0.025 150);
    --fg-primary:   oklch(95% 0.02 150);
    --fg-secondary: oklch(75% 0.05 150);
    --fg-muted:     oklch(55% 0.04 150);
    --accent:       oklch(70% 0.12 150);
    --accent-hover: oklch(80% 0.1 150);
    --accent-fg:    oklch(15% 0.04 150);
    --accent-subtle:oklch(25% 0.04 150);
    --border:       oklch(30% 0.03 150);
    --border-muted: oklch(22% 0.02 150);
    --glass:        oklch(16% 0.02 150 / 0.85);
    --glass-border: oklch(30% 0.03 150 / 0.5);
}

/* Sunset (H=45 orange-amber) */
.scheme-sunset:not(.dark) {
    --bg-primary:   oklch(98% 0.01 45);
    --bg-secondary: oklch(96% 0.015 45);
    --bg-tertiary:  oklch(92% 0.02 45);
    --fg-primary:   oklch(30% 0.08 45);
    --fg-secondary: oklch(42% 0.1 45);
    --fg-muted:     oklch(52% 0.08 45);
    --accent:       oklch(60% 0.16 45);
    --accent-hover: oklch(65% 0.18 45);
    --accent-fg:    oklch(98% 0.01 45);
    --accent-subtle:oklch(92% 0.03 45);
    --border:       oklch(85% 0.025 45);
    --border-muted: oklch(90% 0.02 45);
    --glass:        oklch(98% 0.01 45 / 0.8);
    --glass-border: oklch(85% 0.025 45 / 0.5);
}
.scheme-sunset.dark {
    --bg-primary:   oklch(12% 0.02 45);
    --bg-secondary: oklch(16% 0.025 45);
    --bg-tertiary:  oklch(22% 0.03 45);
    --fg-primary:   oklch(95% 0.025 45);
    --fg-secondary: oklch(75% 0.06 45);
    --fg-muted:     oklch(55% 0.05 45);
    --accent:       oklch(72% 0.14 45);
    --accent-hover: oklch(82% 0.12 45);
    --accent-fg:    oklch(15% 0.05 45);
    --accent-subtle:oklch(25% 0.05 45);
    --border:       oklch(30% 0.035 45);
    --border-muted: oklch(22% 0.025 45);
    --glass:        oklch(16% 0.025 45 / 0.85);
    --glass-border: oklch(30% 0.035 45 / 0.5);
}

/* === Brand === */
.btn-php { background: var(--php); color: oklch(98% 0 0); }