* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    padding: 2rem;
    line-height: 1;
    font-family: "Alegreya", sans-serif;
    font-feature-settings:
        "calt" 1,
        "liga" 1;
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    margin-bottom: 4rem;
    text-align: right;
    font-size: 4rem;
    text-box: trim-both cap alphabetic;
    font-family: "Alegreya SC", sans-serif;
}

main {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 1rem;
}

.session {
    border-left: 0.18rem solid black;
    padding: 0.5rem;
    box-shadow: 0 0 0.25rem oklch(0.3 0.05 355 / 0.2);
    transition:
        color 0.4s ease,
        background-color 0.4s ease;
    border-left-color: currentColor;
}

.medium {
    padding-bottom: 1.5rem;
}

.large {
    padding-bottom: 3rem;
}

.primary {
    color: var(--primary-muted);
}
.primary.complete {
    color: var(--primary-vibrant);
    background-color: var(--primary-pale);
}

.secondary {
    color: var(--secondary-muted);
}
.secondary.complete {
    color: var(--secondary-vibrant);
    background-color: var(--secondary-pale);
}

.letter {
    font-size: 1.5rem;
    font-weight: 500;
}

/* ENSŌ AND COMPLETED STATE*/

#completion {
    display: none;
    font-family: "Alegreya SC", sans-serif;
    font-size: 2rem;
}

html.complete #completion {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 1rem;
}

html.complete main {
    display: none;
}

html.complete body {
    background-color: var(--secondary-pale);
}

#enso {
    width: 40vw;
    cursor: pointer;
    color: var(--secondary-muted);
}

#phrase {
    color: var(--secondary-muted);
}

html.complete footer {
    color: var(--secondary-muted);
}

html.complete header {
    color: var(--secondary-muted);
}

/* FOOTER */

footer {
    text-align: center;
    color: var(--text-subtle);
    font-size: 1rem;
    padding-top: 1rem;
    border-top: 0.09rem solid var(--text-subtle);
    margin-top: 4rem;
    font-family: "Alegreya SC", sans-serif;
}

:root {
    --bg: oklch(0.98 0.005 355);
    --text: oklch(0.3 0.05 355);
    --text-subtle: oklch(0.25 0.05 355);
}

[data-week="1"] {
    --primary-vibrant: oklch(0.45 0.12 240);
    --primary-muted: oklch(0.3 0.08 240);
    --primary-pale: oklch(0.95 0.01 240);
    --secondary-vibrant: oklch(0.45 0.12 40);
    --secondary-muted: oklch(0.3 0.08 40);
    --secondary-pale: oklch(0.95 0.01 40);
}

[data-week="2"] {
    --primary-vibrant: oklch(0.45 0.12 40);
    --primary-muted: oklch(0.3 0.08 40);
    --primary-pale: oklch(0.95 0.01 40);
    --secondary-vibrant: oklch(0.45 0.12 125);
    --secondary-muted: oklch(0.3 0.08 125);
    --secondary-pale: oklch(0.95 0.01 125);
}

[data-week="3"] {
    --primary-vibrant: oklch(0.45 0.12 125);
    --primary-muted: oklch(0.3 0.08 125);
    --primary-pale: oklch(0.95 0.01 125);
    --secondary-vibrant: oklch(0.45 0.12 355);
    --secondary-muted: oklch(0.3 0.08 355);
    --secondary-pale: oklch(0.95 0.01 355);
}

[data-week="4"] {
    --primary-vibrant: oklch(0.45 0.12 355);
    --primary-muted: oklch(0.3 0.08 355);
    --primary-pale: oklch(0.95 0.01 355);
    --secondary-vibrant: oklch(0.45 0.12 155);
    --secondary-muted: oklch(0.3 0.08 155);
    --secondary-pale: oklch(0.95 0.01 155);
}

[data-week="5"] {
    --primary-vibrant: oklch(0.45 0.12 155);
    --primary-muted: oklch(0.3 0.08 155);
    --primary-pale: oklch(0.95 0.01 155);
    --secondary-vibrant: oklch(0.45 0.12 25);
    --secondary-muted: oklch(0.3 0.08 25);
    --secondary-pale: oklch(0.95 0.01 25);
}

@font-face {
    font-family: "Alegreya";
    src: url("fonts/Alegreya-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: "Alegreya";
    src: url("fonts/Alegreya-Medium.woff2") format("woff2");
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: "Alegreya SC";
    src: url("fonts/AlegreyaSC-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
}