#main-wrapper {
    width: 100%;
    min-width: 320px;
    margin: 0 auto;
}

#grid-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 85%;
    max-width: 400px;
    margin: 0 auto;
    padding-bottom: 30px;
}

.controls-and-grid {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    max-width: 300px;
    justify-content: center;
}

#offset-control, #oddsTRIG-control, #bpm-control {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
}

#grid-container {
    background-color: var(--purple-dark);
    border: 2px solid var(--purple-light);
    width: 100%;
    height: 58vh;
    margin: 20px auto;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 10px;
}

#offset-control {
    background-color: var(--yellow-dark);
    border: 2px solid var(--yellow-light);
    width: 25px;
    height: 58vh;
    margin: 20px auto;
    --indicator-position-offset: 50%;
}

#oddsTRIG-control {
    background-color: var(--green-dark);
    border: 2px solid var(--green-light);
    width: 25px;
    height: 58vh;
    margin: 20px auto;
    --indicator-position-oddsTRIG: 50%;
}

#bpm-control {
    background-color: var(--blue-dark);
    border: 2px solid var(--blue-light);
    width: 100%;
    max-width: 300px;
    height: 22px;
    margin: -9px;
    --indicator-position-bpm: 50%;
}

#offset-control::before,
#oddsTRIG-control::before,
#bpm-control::before {
    content: '';
    position: absolute;
    pointer-events: none;
    border-radius: 15px;
}

#offset-control::before {
    width: 110%;
    height: 45%;
    left: 50%;
    top: var(--indicator-position-offset, 50%);
    transform: translate(-50%, -50%);
    background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
}

#oddsTRIG-control::before {
    width: 110%;
    height: 45%;
    left: 50%;
    top: var(--indicator-position-oddsTRIG, 50%);
    transform: translate(-50%, -50%);
    background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
}

#bpm-control::before {
    width: 45%;
    height: calc(100% + 20px);
    top: 50%;
    left: var(--indicator-position-bpm, 50%);
    transform: translate(-50%, -50%);
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
}

.button-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    position: relative;
    top: -10px;
    margin-bottom: -20px;
    gap: 130px;
}

.control-button {
    width: 39px;
    height: 34px;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    z-index: 10;
    text-align: center;
}

#glitch-button { background-color: grey; }
#glitch-button.engaged { background-color: #C0C0C0; }
#clear-button { background-color: var(--red-dark); }
#clear-button.engaged { background-color: var(--red-light); }

#piano-keyboard {
    position: relative;
    width: 75%;
    max-width: 600px;
    min-height: 120px;
    height: 18vh;
    margin: 30px auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.white-key {
    flex: 1 1 35px;
    height: 100%;
    background-color: #ffffff;
    border: 1px solid #000;
    margin: 0 1px;
    cursor: pointer;
    position: relative;
    transition: background-color 0.2s ease;
}

.white-key:active { background-color: #ccc; }

.black-key {
    position: absolute;
    width: 24px;
    height: 60%;
    background-color: #000;
    border: 1px solid #000;
    z-index: 2;
    cursor: pointer;
    top: 0;
    transition: background-color 0.2s ease;
}

.black-key:active { background-color: #333; }

.black-key[data-note="49"] { left: calc(100% / 7 * 1 - 12px); }
.black-key[data-note="51"] { left: calc(100% / 7 * 2 - 12px); }
.black-key[data-note="54"] { left: calc(100% / 7 * 4 - 12px); }
.black-key[data-note="56"] { left: calc(100% / 7 * 5 - 12px); }
.black-key[data-note="58"] { left: calc(100% / 7 * 6 - 12px); }

#rnbo-root {
    height: 100vh;
    width: 100vw;
    box-sizing: border-box;
}

#background {
    position: absolute;
    z-index: -1;
}

h2, em {
    width: 100%;
    font-family: 'Courier New', Courier, monospace;
    color: #ffffff;
    padding-bottom: 2px;
}

#rnbo-root {
    margin: auto;
    max-width: 540px;
    padding: 0px;
}

#neptr-title {
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    font-family: 'Courier New', Courier, monospace;
    margin-top: 30px;
    margin-bottom: 0px;
    font-size: 2em;
    letter-spacing: 2px;
    height: 0px;
}

#start-instruction {
    text-align: center;
    font-family: 'Courier New', Courier, monospace;
    color: #ffffff;
    font-size: 0.8em;
    margin-bottom: 5px;
    font-weight: bold;
}

#rnbo-clickable-keyboard {
    display: none;
}

#rnbo-parameter-sliders {
    display: flex;
    flex-direction: column;
    margin-top: 20px;
    padding: 10px;
    margin-bottom: 10px;
    width: 100%;
}

#rnbo-parameter-sliders > div {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

#rnbo-parameter-sliders > div > input:first-of-type {
    flex-grow: 1;
}

.param-label {
    width: 50%;
    font-size: 1.1em;
    padding-right: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

input[type="text"] {
    width: 50px;
    margin-left: 10px;
    text-align: right;
}

input, select, textarea {
    background-color: #001f3f;
    color: #ffffff;
    border: 1px solid #ffffff;
    font-family: 'Courier New', Courier, monospace;
}

input[type="range"] {
    accent-color: #ffffff;
}

#rnbo-presets {
    width: 25%;
    max-width: 200px;
    margin: 0 auto;
    padding: 0.5vh 0;
    text-align: center;
    box-sizing: border-box;
    border: 2px solid white;
    font-family: 'Courier New', Courier, monospace;
    border-radius: 5px;
    margin-right: 10px;
    display: inline-block;
    vertical-align: top;
}

#nerd-shit-container {
    width: 25%;
    max-width: 200px;
    margin: 0 auto;
    padding: 0.5vh 0;
    text-align: center;
    box-sizing: border-box;
    border: 2px solid white;
    font-family: 'Courier New', Courier, monospace;
    border-radius: 5px;
    margin-left: 10px;
    display: inline-block;
    vertical-align: top;
}

#nerd-shit-toggle {
    background: none;
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    font-size: 1rem;
}

#toggle-arrow {
    width: 0;
    height: 0;
    margin-right: 0.5em;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-bottom: 15px solid white;
    transform: skewX(-15deg);
    transition: transform 0.3s ease;
}

#nerd-shit-toggle.open #toggle-arrow {
    transform: skewX(-15deg) rotate(180deg);
}

#preset-select {
    width: 80%;
    padding: 0.5em;
    border-radius: 5px;
    border: 1px solid white;
    background-color: #001f3f;
    color: white;
    font-family: inherit;
}

#preset-select option {
    padding: 0.5em;
}

.nerd-shit-button {
    border: 2px solid white;
    background: none;
    color: white;
    cursor: pointer;
    font-size: 1rem;
    padding: 5px 10px;
    border-radius: 5px;
    margin-bottom: 1rem;
    transition: background-color 0.3s ease;
}

@media (hover: hover) {
    .nerd-shit-button:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }
}

.spark {
    position: absolute;
    border-radius: 50%;
    opacity: 0.8;
    pointer-events: none;
    animation: disappear 1s ease-out forwards, colorChange 1s infinite;
}

@keyframes colorChange {
    0% { background-color: #ff90dc; }
    25% { background-color: #ec5eff; }
    50% { background-color: #c72fd8; }
    75% { background-color: #7a32ff; }
    100% { background-color: #5d1eb1; }
}

@keyframes disappear {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

@media (max-width: 480px) {
    #piano-keyboard {
        width: 90%;
        height: 14vh;
        min-height: 90px;
    }
    .button-container {
        gap: 80px;
    }
    #grid-wrapper {
        width: 95%;
    }
}