:root {
    --pink: #f2f2f2bf;
    --near-black: #111;
    --dark-gray: #333;
    --light-gray: #666;
    --off-white: #f4f4f4;
    --white: #fff;
    --anim-ui: all 0.6s ease-in-out;
    --bounce-curve: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --menu-width: 6rem;
    --selected-sketch: rgba(235, 35, 94, 0.9);
}

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

* {
    user-select: none;
}

html,
body {
    /*background-color: var(--pink);*/
    background-image: url("/images/old_wall.png");
    color: var(--near-black);
    padding: 0;
    margin: 0;
    overflow: hidden;
    width: 100%;
    height: 100%;
    font-family: "DraftingMono-Medium", sans-serif;
}

a,
a:visited,
a:hover,
a:active {
    color: var(--near-black);
    text-decoration: none;
    font-weight: bold;
    text-decoration: none;
    border-radius: 0;
}

main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    padding: 1rem 2rem;
    background-color: var(--off-white);
    color: var(--near-black);
    z-index: 5;
    transform: translateY(0);
    transition: var(--anim-ui);
    display: flex;
    align-items: center;
    justify-content: space-between;

    menu-icon {
        padding: 0.5rem;
        font-size: 2rem;
        line-height: 2rem;
        opacity: 1;
        transform: translateX(0);
        transition: var(--anim-ui);
        cursor: pointer;
        position: relative;
        width: 3rem;
        height: 3rem;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    menu-icon::before,
    menu-icon::after {
        content: "";
        position: absolute;
        width: 1.5rem;
        height: 2px;
        background-color: var(--near-black);
        transition: var(--anim-ui);
    }

    menu-icon::before {
        transform: translateY(-6px);
    }

    menu-icon::after {
        transform: translateY(6px);
    }

    /* Middle line using the menu-icon element itself */
    menu-icon {
        background: linear-gradient(to right, var(--near-black) 0%, var(--near-black) 100%);
        background-size: 1.5rem 2px;
        background-position: center;
        background-repeat: no-repeat;
    }

    menu-attribution {
        padding: 0 1rem;
        transition: var(--anim-ui);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    section {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        max-height: 80vh;
        overflow-y: auto;
        background-color: var(--off-white);
        padding: 2.5rem 4rem;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        opacity: 0;
        transform: translateY(-10px);
        transition: var(--anim-ui);
        pointer-events: none;
        visibility: hidden;
    }

    small {
        display: block;
        margin-bottom: 2rem;
    }

    nav ul {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.5rem;
        list-style: disc;
        padding: 0;
        margin: 0;
        margin-left: 20px;
    }

    nav li {
        font-size: 1rem;
        margin-bottom: 0;
        padding: 0.5rem;
        border-radius: 4px;
    }

    a.active {
        padding: 0.5rem;
        background-color: var(--selected-sketch);
        color: var(--off-white);
        text-decoration: none;
        /* border-radius: 10px; */
    }
}

main-nav.init,
main-nav.open {
    transform: translateY(0%);

    menu-icon {
        opacity: 1;
        background-size: 0 2px; /* Hide middle line */
    }

    menu-icon::before {
        transform: rotate(45deg);
    }

    menu-icon::after {
        transform: rotate(-45deg);
    }

    menu-attribution {
        opacity: 1;
    }

    section {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
        visibility: visible;
    }
}

sketch-display {
    display: grid;
    place-content: center;
    width: 100%;
    height: 100vh;
    padding-top: 80px;
    transition: var(--anim-ui);
}

/* Week Selector Styles */
.week-selector {
    margin: 1.5rem 0;
    padding: 1rem;
    background-color: var(--selected-sketch);
    border-radius: 8px;
    border: 2px solid var(--pink);
}

.week-selector label {
    display: block;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--med-gray);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.week-selector select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--dark-gray);
    border-radius: 4px;
    background-color: var(--white);
    color: var(--near-black);
    cursor: pointer;
    transition: all 0.2s ease;
}

.week-selector select:hover {
    border-color: var(--pink);
}

.week-selector select:focus {
    outline: none;
    border-color: var(--pink);
    box-shadow: 0 0 0 3px rgba(255, 105, 180, 0.2);
}

/* Empty Week Message */
.empty-week-message {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--dark-gray);
}

.empty-week-message p {
    margin: 0.5rem 0;
    font-size: 1.1rem;
}

.empty-week-message p:first-child {
    font-weight: bold;
    font-size: 1.3rem;
    color: var(--near-black);
}

.empty-week-display {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.empty-week-display h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--near-black);
}

.empty-week-display p {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--dark-gray);
    margin: 0.75rem 0;
}

.empty-week-display p:last-child {
    font-size: 1rem;
    color: var(--med-gray);
    margin-top: 2rem;
}

@keyframes animated-stripes {
    100% {
        background-position: 100% 100%;
    }
}

@keyframes move_5011 {
    0% {
        width: 4px;
    }

    25% {
        width: 11px;
    }

    50% {
        width: 24px;
    }

    100% {
        width: 4px;
    }
}

p5-embed {
    position: relative;
    overflow: hidden;
    background-image: repeating-linear-gradient(
        90deg,
        transparent 100%,
        transparent 0.1%,
        var(--off-white) 1%,
        var(--off-white) 2%
    );
    background-size: 200% 200%;
    animation: animated-stripes 10s linear infinite;

    /* hide background & iframe anti-aliased artifacts */
    box-shadow: inset 0 0 0 1px var(--near-black), inset 0 0 0 1px var(--near-black), 15px 10px 18px rgba(0, 0, 0, 0.8);
    outline: 10px solid rgb(28, 0, 12);

    loading-message {
        position: absolute;
        inset: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        z-index: 1;
        pointer-events: none;
    }

    loading-message .loader {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        pointer-events: none;
    }

    loading-message .heading {
        color: #000;
        letter-spacing: 0.2em;
        margin-bottom: 1em;
    }

    loading-message .loading {
        display: flex;
        width: 5em;
        align-items: center;
        justify-content: center;
    }

    loading-message .load {
        width: 4px;
        height: 3px;
        background-color: var(--selected-sketch);
        animation: move_5011 1s infinite;
        border-radius: 5px;
        margin: 0.1em;
    }

    loading-message .load:nth-child(1) {
        animation-delay: 0.2s;
    }

    loading-message .load:nth-child(2) {
        animation-delay: 0.4s;
    }

    loading-message .load:nth-child(3) {
        animation-delay: 0.6s;
    }

    iframe {
        position: relative;
        margin-top: -42px; /* Default for other sites */
        z-index: 2;
        opacity: 0;
        transition: opacity 1s ease-in-out;
    }

    &.loaded {
        iframe {
            opacity: 1;
        }
    }
}

/* OpenProcessing specific iframe styling */
p5-embed.openprocessing iframe {
    margin-top: -51px;
}

/* shadow overlay on top of  */
p5-embed::after {
    content: " ";
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--near-black);
    opacity: 0.8;
    pointer-events: none;
}