:root {
    /* Spacing */
    --inline-space: 1ch;
    --inline-space-half: calc(var(--inline-space) / 2);
    --inline-space-double: calc(var(--inline-space) * 2);
    --block-space: 1rem;
    --block-space-half: calc(var(--block-space) / 2);
    --block-space-double: calc(var(--block-space) * 2);

    /* Text */
    --font-sans: system-ui;
    --font-serif: ui-serif, serif;
    --font-mono: ui-monospace, monospace;

    --text-xx-small: 0.55rem;
    --text-x-small: 0.75rem;
    --text-small: 0.85rem;
    --text-normal: 1rem;
    --text-medium: 1.1rem;
    --text-large: 1.5rem;
    --text-x-large: 1.8rem;
    --text-xx-large: 2.5rem;

    @media (max-width: 639px) {
        --text-xx-small: 0.65rem;
        --text-x-small: 0.85rem;
        --text-small: 0.95rem;
        --text-normal: 1.1rem;
        --text-medium: 1.2rem;
        --text-large: 1.5rem;
        --text-x-large: 1.8rem;
        --text-xx-large: 2.5rem;
    }

    /* Borders */
    --border: 1px solid var(--color-ink-lighter);

    /* Shadows */
    --shadow: 0 0 0 1px oklch(var(--lch-black) / 5%),
              0 0.2em 0.2em oklch(var(--lch-black) / 5%),
              0 0.4em 0.4em oklch(var(--lch-black) / 5%),
              0 0.8em 0.8em oklch(var(--lch-black) / 5%);

    /* Components */
    --btn-size: 2.65em;
    --footer-height: 2.65rem;
    --tray-size: clamp(12rem, 25dvw, 24rem);

    /* Focus rings for keyboard navigation */
    --focus-ring-color: var(--color-link);
    --focus-ring-offset: 1px;
    --focus-ring-size: 2px;
    --focus-ring: var(--focus-ring-size) solid var(--focus-ring-color);

    /* Dialogs */
    --dialog-duration: 150ms;

    /* Easing functions from https://easingwizard.com/ */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-overshoot: cubic-bezier(0.25, 1.75, 0.5, 1);
    --ease-out-overshoot-subtle: cubic-bezier(0.25, 1.25, 0.5, 1);

    @media (max-width: 799px) {
        --tray-size: var(--footer-height);
    }

    /* Layout */
    --main-padding: clamp(var(--inline-space), 3vw, calc(var(--inline-space) * 3));
    --main-width: 1400px;

    /* Z-index */
    --z-events-column-header: 1;
    --z-events-day-header: 3;
    --z-popup: 10;
    --z-nav: 30;
    --z-flash: 40;
    --z-tooltip: 50;
    --z-bar: 60;
    --z-tray: 61;

    /* OKLCH colors: Fixed */
    --lch-black: 0% 0 0;
    --lch-white: 100% 0 0;

    /* Theme Colors */
    --lch-cinnamon: 0.7827 0.0929 64.71; /* #e2ac78 */
    --lch-theme-blue: 0.7333 0.0949 248.32; /* #78aee2 */
    --lch-theme-rose: 0.6924 0.1318 20.46; /* #e27879 */
    --lch-theme-lime: 0.8888 0.1281 108.26; /* #e2e178 */

    /* OKLCH colors: Light mode */
    --lch-canvas: var(--lch-white);
    --lch-ink-inverted: var(--lch-white);

    --lch-ink-darkest: 26% 0.05 264; /* #3d3e3e */
    --lch-ink-darker: 40% 0.026 262; /* #5e5e5e */
    --lch-ink-dark: 56% 0.014 260; /* #868686 */
    --lch-ink-medium: 66% 0.008 258; /* #a0a0a0 */
    --lch-ink-light: 84% 0.005 256; /* #d1d1d1 */
    --lch-ink-lighter: 92% 0.003 254; /* #e8e8e8 */
    --lch-ink-lightest: 96% 0.002 252; /* #f3f3f3 */

    --lch-uncolor-darkest: 26% 0.018 40;
    --lch-uncolor-darker: 40.04% 0.0376 50.06;
    --lch-uncolor-dark: 57.09% 0.0676 60.5;
    --lch-uncolor-medium: 66% 0.0944 71.46;
    --lch-uncolor-light: 83.97% 0.0457 80.84;
    --lch-uncolor-lighter: 92% 0.014 90;
    --lch-uncolor-lightest: 96% 0.012 100;

    --lch-red-darkest: 26% 0.105 34;
    --lch-red-darker: 40% 0.154 36;
    --lch-red-dark: 59% 0.19 38;
    --lch-red-medium: 66% 0.204 40;
    --lch-red-light: 84.08% 0.0837 41.96;
    --lch-red-lighter: 92% 0.03 44;
    --lch-red-lightest: 96% 0.013 46;

    --lch-yellow-darkest: 26% 0.0729 40;
    --lch-yellow-darker: 40% 0.12 50;
    --lch-yellow-dark: 58% 0.156 60;
    --lch-yellow-medium: 74% 0.184 70;
    --lch-yellow-light: 84% 0.12 80;
    --lch-yellow-lighter: 92% 0.076 90;
    --lch-yellow-lightest: 96% 0.034 100;

    --lch-lime-darkest: 26% 0.064 109;
    --lch-lime-darker: 40% 0.101 110;
    --lch-lime-dark: 56.5% 0.142 111;
    --lch-lime-medium: 68% 0.176 113.11;
    --lch-lime-light: 83.92% 0.0927 113.6;
    --lch-lime-lighter: 92% 0.046 114;
    --lch-lime-lightest: 96% 0.034 115;

    --lch-green-darkest: 26% 0.071 149;
    --lch-green-darker: 40% 0.12 148;
    --lch-green-dark: 55% 0.162 147;
    --lch-green-medium: 66% 0.208 146;
    --lch-green-light: 83.92% 0.0772 145.06;
    --lch-green-lighter: 92% 0.044 144;
    --lch-green-lightest: 96% 0.022 143;

    --lch-aqua-darkest: 26% 0.059 214;
    --lch-aqua-darker: 40% 0.093 212;
    --lch-aqua-dark: 55.5% 0.122 210;
    --lch-aqua-medium: 66% 0.152 208;
    --lch-aqua-light: 83.88% 0.0555 206.02;
    --lch-aqua-lighter: 92% 0.02 204;
    --lch-aqua-lightest: 96% 0.012 202;

    --lch-blue-darkest: 26% 0.126 264;
    --lch-blue-darker: 40% 0.166 262;
    --lch-blue-dark: 57.02% 0.1895 260.46;
    --lch-blue-medium: 66% 0.196 257.82;
    --lch-blue-light: 84.04% 0.0719 255.29;
    --lch-blue-lighter: 92% 0.026 254;
    --lch-blue-lightest: 96% 0.016 252;

    --lch-violet-darkest: 26% 0.148 292;
    --lch-violet-darker: 40% 0.2 290;
    --lch-violet-dark: 58% 0.216 287.6;
    --lch-violet-medium: 66% 0.206 285.52;
    --lch-violet-light: 84.08% 0.0791 283.47;
    --lch-violet-lighter: 92% 0.03 282;
    --lch-violet-lightest: 96% 0.015 280;

    --lch-purple-darkest: 26% 0.131 314;
    --lch-purple-darker: 40% 0.178 312;
    --lch-purple-dark: 58% 0.21 310;
    --lch-purple-medium: 66% 0.258 308;
    --lch-purple-light: 84.09% 0.0778 305.77;
    --lch-purple-lighter: 92% 0.03 304;
    --lch-purple-lightest: 96% 0.019 302;

    --lch-pink-darkest: 26% 0.12 348;
    --lch-pink-darker: 40% 0.16 346;
    --lch-pink-dark: 59% 0.188 344;
    --lch-pink-medium: 71.8% 0.2008 342;
    --lch-pink-light: 84.04% 0.0737 340;
    --lch-pink-lighter: 92% 0.03 338;
    --lch-pink-lightest: 96% 0.02 336;

    /* Colors: Named */
    --color-black: oklch(var(--lch-black));
    --color-white: oklch(var(--lch-white));

    --color-cinnamon: oklch(var(--lch-cinnamon)); /* #e2ac78 */
    --color-theme-blue: oklch(var(--lch-theme-blue)); /* #78aee2 */
    --color-theme-rose: oklch(var(--lch-theme-rose)); /* #e27879 */
    --color-theme-lime: oklch(var(--lch-theme-lime)); /* #e2e178 */

    --color-ink: oklch(var(--lch-ink-darkest));
    --color-ink-darkest: oklch(var(--lch-ink-darkest));
    --color-ink-darker: oklch(var(--lch-ink-darker));
    --color-ink-dark: oklch(var(--lch-ink-dark));
    --color-ink-medium: oklch(var(--lch-ink-medium));
    --color-ink-light: oklch(var(--lch-ink-light));
    --color-ink-lighter: oklch(var(--lch-ink-lighter));
    --color-ink-lightest: oklch(var(--lch-ink-lightest));

    --color-ink-inverted: oklch(var(--lch-ink-inverted));

    /* Colors: Abstractions */
    --color-canvas: oklch(var(--lch-canvas));
    --color-negative: oklch(var(--lch-red-dark));
    --color-positive: oklch(var(--lch-green-dark));
    --color-link: oklch(var(--lch-blue-dark));
    --color-selected-light: oklch(var(--lch-blue-lightest));
    --color-selected: oklch(var(--lch-blue-lighter));
    --color-selected-dark: oklch(var(--lch-blue-light));
    --color-highlight: oklch(var(--lch-yellow-lighter));
    --color-marker: oklch(var(--lch-red-medium));
    --color-terminal-bg: oklch(98% 0.002 252);
    --color-terminal-text: var(--color-ink);
    --color-terminal-text-light: var(--color-ink-lighter);
    --color-golden: oklch(89.1% 0.178 95.7);
    --color-considering: oklch(var(--lch-blue-medium));

    /* Colors: Cards */
    --color-card-default: oklch(var(--lch-blue-dark));
    --color-card-complete: var(--color-ink-darker);
    --color-card-1: oklch(var(--lch-ink-medium));
    --color-card-2: oklch(var(--lch-uncolor-medium));
    --color-card-3: oklch(var(--lch-yellow-medium));
    --color-card-4: oklch(var(--lch-lime-medium));
    --color-card-5: oklch(var(--lch-aqua-medium));
    --color-card-6: oklch(var(--lch-violet-medium));
    --color-card-7: oklch(var(--lch-purple-medium));
    --color-card-8: oklch(var(--lch-pink-medium));

    /* Colors: Highlighter */
    --highlight-1: rgb(136, 118, 38);
    --highlight-2: rgb(185, 94, 6);
    --highlight-3: rgb(207, 0, 0);
    --highlight-4: rgb(216, 28, 170);
    --highlight-5: rgb(144, 19, 254);
    --highlight-6: rgb(5, 98, 185);
    --highlight-7: rgb(17, 138, 15);
    --highlight-8: rgb(148, 82, 22);
    --highlight-9: rgb(102, 102, 102);

    --highlight-bg-1: rgba(229, 223, 6, 0.3);
    --highlight-bg-2: rgba(255, 185, 87, 0.3);
    --highlight-bg-3: rgba(255, 118, 118, 0.3);
    --highlight-bg-4: rgba(248, 137, 216, 0.3);
    --highlight-bg-5: rgba(190, 165, 255, 0.3);
    --highlight-bg-6: rgba(124, 192, 252, 0.3);
    --highlight-bg-7: rgba(140, 255, 129, 0.3);
    --highlight-bg-8: rgba(221, 170, 123, 0.3);
    --highlight-bg-9: rgba(200, 200, 200, 0.3);

    /* Colors: Syntax highlighting */
    --color-code-token__att: oklch(var(--lch-blue-dark));
    --color-code-token__comment: oklch(var(--lch-ink-medium));
    --color-code-token__function: oklch(var(--lch-purple-dark));
    --color-code-token__operator: oklch(var(--lch-red-dark));
    --color-code-token__property: oklch(var(--lch-purple-dark));
    --color-code-token__punctuation: oklch(var(--lch-ink-dark));
    --color-code-token__selector: oklch(var(--lch-green-dark));
    --color-code-token__variable: oklch(var(--lch-red-dark));

    /* Colors: Generating gradient */
    --color-gradient-1: oklch(var(--lch-violet-lighter));
    --color-gradient-2: oklch(var(--lch-pink-lighter));
    --color-gradient-3: oklch(var(--lch-purple-lighter));
    --color-gradient-4: var(--color-canvas);

    --rainbow-gradient: linear-gradient(to right,
        #9c4f96 0%,
        #9c4f96 16.67%,
        #ff6355 16.67%,
        #ff6355 33.34%,
        #fba949 33.34%,
        #fba949 50%,
        #fae442 50%,
        #fae442 66.67%,
        #8bd448 66.67%,
        #8bd448 83.34%,
        #2aa8f2 83.34%,
        #2aa8f2 100%
    );

    @media (prefers-color-scheme: dark) {
        --lch-canvas: 20% 0.0195 232.58;
        --lch-ink-inverted: var(--lch-black);

        --lch-ink-darkest: 96.02% 0.0034 260;
        --lch-ink-darker: 86% 0.0061 260;
        --lch-ink-dark: 73.97% 0.009 260;
        --lch-ink-medium: 62% 0.0122 260;
        --lch-ink-light: 40% 0.0148 260;
        --lch-ink-lighter: 30% 0.0178 260;
        --lch-ink-lightest: 25% 0.0204 260;

        --lch-uncolor-darkest: 96.09% 0.0076 100;
        --lch-uncolor-darker: 86% 0.021 90;
        --lch-uncolor-dark: 73.93% 0.041 80;
        --lch-uncolor-medium: 62% 0.0552 70;
        --lch-uncolor-light: 40% 0.0387 60;
        --lch-uncolor-lighter: 30% 0.012 50;
        --lch-uncolor-lightest: 25% 0.0017 40;

        --lch-red-darkest: 95.85% 0.0218 46;
        --lch-red-darker: 86% 0.086 44;
        --lch-red-dark: 73.95% 0.139 42;
        --lch-red-medium: 62% 0.154 40;
        --lch-red-light: 40% 0.088 38;
        --lch-red-lighter: 30% 0.032 36;
        --lch-red-lightest: 25% 0.011 34;

        --lch-yellow-darkest: 96% 0.056 100;
        --lch-yellow-darker: 86% 0.103 90;
        --lch-yellow-dark: 74.06% 0.136 80;
        --lch-yellow-medium: 62.1% 0.146 70;
        --lch-yellow-light: 40% 0.0736 60;
        --lch-yellow-lighter: 30% 0.026 50;
        --lch-yellow-lightest: 25% 0.01 40;

        --lch-lime-darkest: 96.04% 0.066 115;
        --lch-lime-darker: 86% 0.098 114;
        --lch-lime-dark: 73.97% 0.121 113;
        --lch-lime-medium: 62% 0.128 112;
        --lch-lime-light: 40% 0.0637 111;
        --lch-lime-lighter: 30% 0.024 110;
        --lch-lime-lightest: 25% 0.012 109;

        --lch-green-darkest: 96.12% 0.035 143;
        --lch-green-darker: 86% 0.082 144;
        --lch-green-dark: 73.99% 0.117 145;
        --lch-green-medium: 62% 0.1261 146;
        --lch-green-light: 40% 0.065 147;
        --lch-green-lighter: 30% 0.03 148;
        --lch-green-lightest: 25% 0.018 149;

        --lch-aqua-darkest: 96.15% 0.0244 202;
        --lch-aqua-darker: 86% 0.06 204;
        --lch-aqua-dark: 73.92% 0.095 206;
        --lch-aqua-medium: 62% 0.106 208;
        --lch-aqua-light: 40% 0.0594 210;
        --lch-aqua-lighter: 30% 0.028 212;
        --lch-aqua-lightest: 25% 0.017 214;

        --lch-blue-darkest: 95.93% 0.0217 252;
        --lch-blue-darker: 86% 0.068 254;
        --lch-blue-dark: 74% 0.1293 256;
        --lch-blue-medium: 62% 0.159 258;
        --lch-blue-light: 40% 0.094 260;
        --lch-blue-lighter: 30% 0.0452 262;
        --lch-blue-lightest: 25% 0.0318 264;

        --lch-violet-darkest: 95.97% 0.019 280;
        --lch-violet-darker: 86% 0.068 282;
        --lch-violet-dark: 74.08% 0.142 284;
        --lch-violet-medium: 62% 0.184 286;
        --lch-violet-light: 40% 0.108 288;
        --lch-violet-lighter: 30% 0.048 290;
        --lch-violet-lightest: 25% 0.025 292;

        --lch-purple-darkest: 95.99% 0.0217 302;
        --lch-purple-darker: 86% 0.068 304;
        --lch-purple-dark: 73.98% 0.141 306;
        --lch-purple-medium: 62% 0.177 308;
        --lch-purple-light: 40% 0.099 310;
        --lch-purple-lighter: 30% 0.04 312;
        --lch-purple-lightest: 25% 0.017 314;

        --lch-pink-darkest: 95.84% 0.0308 336;
        --lch-pink-darker: 86% 0.074 338;
        --lch-pink-dark: 74.04% 0.1294 340;
        --lch-pink-medium: 62% 0.166 342;
        --lch-pink-light: 40% 0.085 344;
        --lch-pink-lighter: 30% 0.03 346;
        --lch-pink-lightest: 25% 0.011 348;

        --color-terminal-bg: var(--color-canvas);
        --color-terminal-text-light: oklch(var(--lch-green-dark));
        --color-golden: oklch(var(--lch-blue-medium));
        --color-highlight: oklch(var(--lch-blue-lighter));

        --shadow: 0 0 0 1px oklch(var(--lch-black) / 0.42),
        0 .2em 1.6em -0.8em oklch(var(--lch-black) / 0.6),
        0 .4em 2.4em -1em oklch(var(--lch-black) / 0.7),
        0 .4em .8em -1.2em oklch(var(--lch-black) / 0.8),
        0 .8em 1.2em -1.6em oklch(var(--lch-black) / 0.9),
        0 1.2em 1.6em -2em oklch(var(--lch-black) / 1);
    }
}