:root {
    --color-background: #ffffff;
    --color-on-background: #1c1b1f;
    --color-background-hover: #f0f0f0;
    --color-on-background-hover: #1c1b1f;

    --color-primary: #b020d6;
    --gradient-primary: linear-gradient(
        135deg,
        #cc33cc 0%,   /* darker pink */
        #8a2be2 50%,  /* richer purple */
        #4b0082 100%  /* deep indigo */
    );

    --color-primary-disabled: #c0a0c0;
    --color-on-primary: white;
    --color-error: #de0000;
    --color-on-error: white;
}

/* Dark mode overrides */
main.dark,
header.dark {
    color-scheme: dark;
    --color-background: #1c1b1f;
    --color-on-background: white;
    --color-background-hover: #27262c;
    --color-on-background-hover: white;

    --color-primary: #b020d6;
    --gradient-primary: linear-gradient(
        135deg,
        #cc33cc 0%,   /* darker pink */
        #8a2be2 50%,  /* richer purple */
        #4b0082 100%  /* deep indigo */
    );

    --color-primary-disabled: #1f213c;
    --color-on-primary: white;
    --color-error: #de0000;
    --color-on-error: white;
}

html,
body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    margin: 0;
}

header,
main {
    background-color: var(--color-background);
    color: var(--color-on-background);
    display: grid;
    grid-template-columns: minmax(2rem, 1fr) minmax(2rem, 2fr) minmax(
            2em,
            1fr
        );
    column-gap: 6rem;
}

/* HEADER with metallic shimmer + shadow */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-inline: 2rem;
    height: 4.5rem;

    background: var(--gradient-primary);
    background-size: 200% 200%;
    animation: metallic-shimmer 10s linear infinite;

    color: var(--color-on-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* metallic shimmer animation */
@keyframes metallic-shimmer {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@media screen and (min-width: 1366px) {
    header {
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        padding-inline: 2rem;
    }
}

header .logo {
    justify-self: start;
    align-self: center;
    display: flex;
    align-items: flex-end;
    gap: 1rem;
}

header .nav {
    flex: 1;
    display: flex;
    justify-content: center;
    gap: 3rem;
}

/* Discord icon fix */
header .discord {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.35);
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}
header .discord:hover {
    background: rgba(0, 0, 0, 0.6);
    box-shadow: 0 0 12px #fff3;
    transform: scale(1.1);
}
header .discord img,
header .discord svg {
    width: 24px;
    height: 24px;
}

main {
    height: 0;
    flex: 1;
    display: grid;
    grid-template-rows: minmax(0, 1fr);
    column-gap: 0.5rem;
}
main > div {
    overflow-y: auto;
}

.spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    grid-column: span 3;
}

input[type="checkbox"] {
    height: 1.25rem;
    width: 1.25rem;
    cursor: pointer;
    margin: 0;
}