/* ===================================
   BASE STYLES
   =================================== */
html {
    box-sizing: border-box;
}

*,
*:before,
*:after {
    box-sizing: inherit;
}

body {
    font-family: "VT323", serif;
    font-size: 32px;
    background: #000;
    color: #fff;
}

input,
button,
select,
textarea {
    font-size: 32px;
}

/* ===================================
   LAYOUT CONTAINERS
   =================================== */
.wrap {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    height: 100dvh;
    padding: 20px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.ctr {
    display: flex;
    flex-direction: column;
    border: 5px solid #fff;
    width: 100%;
    height: 100%;
    max-height: 100%;
    overflow: hidden;
}

.ctr-title {
    background-color: #000;
    color: #fff;
    position: absolute;
    top: 5px;
    z-index: 5;
    padding: 0 5px;
}

/* ===================================
   SCANLINES EFFECT
   =================================== */
.scanlines {
    position: relative;
    overflow: hidden;
}

.scanlines:before,
.scanlines:after {
    display: block;
    pointer-events: none;
    content: "";
    position: absolute;
}

.scanlines:before {
    width: 100%;
    height: 2px;
    z-index: 2147483649;
    background: rgba(0, 0, 0, 0.15);
    opacity: 0.75;
    animation: scanline 6s linear infinite;
}

.scanlines:after {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 2147483648;
    background: linear-gradient(
        to bottom,
        transparent 50%,
        rgba(0, 0, 0, 0.15) 51%
    );
    background-size: 100% 4px;
    animation: scanlines 1s steps(60) infinite;
}

@keyframes scanline {
    0% {
        transform: translate3d(0, 200000%, 0);
    }
}

@keyframes scanlines {
    0% {
        background-position: 0 50%;
    }
}

/* ===================================
   BEAT MAKER
   =================================== */
.beat-maker {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    padding: 20px;
    overflow: hidden;
}

.beat-maker-controls {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: nowrap;
    align-items: center;
    flex-shrink: 0;
}

.mobile-bottom-controls {
    display: flex;
    gap: 10px;
    position: relative;
}

.beat-maker-controls button,
.beat-maker-controls select,
.beat-maker-controls input[type="number"],
.instrument-row button,
.play-button,
.menu-button {
    border: 3px solid #fff;
    background: #000;
    color: #fff;
    padding: 5px 10px;
    font-family: "VT323", serif;
    cursor: pointer;
}

.beat-maker-controls button:hover,
.beat-maker-controls input[type="number"]:focus,
.instrument-row button:hover {
    background-color: #fff;
    color: #000;
}

.menu-button {
    padding: 10px;
    margin-top: 10px;
}

.play-button {
    flex: 1;
    padding: 10px;
    flex-shrink: 0;
    margin-top: 10px;
}

.playing {
    background-color: #fff !important;
    color: #000 !important;
}

/* Controls left and right containers */
.controls-left,
.controls-right {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: nowrap;
    min-width: 0;
}

.controls-left {
    flex: 1;
}

.controls-right {
    flex-shrink: 0;
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: nowrap;
    min-width: 0;
}

/* New, Save, Delete buttons - don't stretch */
.new-button,
.save-button,
.delete-button {
    padding: 5px 10px;
    flex-shrink: 0;
}

/* Export, Import buttons */
.export-button,
.import-button {
    padding: 5px 10px;
    flex-shrink: 0;
}

/* Saved beats control */
.saved-beats-control {
    display: flex;
    align-items: center;
    gap: 5px;
    min-width: 0;
    flex-shrink: 0;
}

.saved-beats-select {
    text-align: left;
    width: 100%;
    min-width: 0;
    max-width: 200px;
}

/* Preset control */
.preset-control {
    display: flex;
    align-items: center;
    gap: 5px;
    min-width: 0;
}

.preset-select {
    text-align: left;
    width: 100%;
    min-width: 0;
    max-width: 200px;
}

/* Tempo control */
.tempo-control {
    display: flex;
    align-items: center;
    gap: 5px;
    position: relative;
    flex-shrink: 0;
    white-space: nowrap;
    min-width: fit-content;
}

.tempo-input {
    width: 90px;
    text-align: right;
    padding: 5px 8px;
}

.bpm-label {
    white-space: nowrap;
    color: #fff;
}

/* ===================================
   INSTRUMENTS
   =================================== */
.instruments-section {
    margin-top: 10px;
    padding: 15px 0;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
}

.instruments-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.instrument-row {
    border: 3px solid #fff;
    padding: 17px 10px 10px;
    position: relative;
}

.instrument-row.muted {
    opacity: 0.5;
}

.instrument-header {
    position: absolute;
    width: auto;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    top: -20px;
    left: 10px;
    white-space: nowrap;
    display: flex;
    align-items: center;
    margin: 0 0 30px;
}

.instrument-header h3 {
    background-color: #000;
    padding: 0 5px;
    color: #fff;
}

.instrument-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

button.remove-instrument,
button.mute-instrument {
    padding: 3px 5px;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    border-width: 2px;
    border-color: rgba(255, 255, 255, 0.7);
}

.instrument-controls {
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 7px;
}

/* Visualizer */
.instrument-visualizer {
    display: flex;
    align-items: center;
    justify-content: center;
}

.instrument-visualizer canvas {
    border: 3px solid rgba(255, 255, 255, 0.7);
}

/* ===================================
   ADD INSTRUMENT CARD
   =================================== */
.add-instrument-card {
    padding: 0;
    border: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    order: 999;
    position: relative;
}

button.add-instrument-toggle {
    background: transparent;
    cursor: pointer;
    padding: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

button.add-instrument-toggle:hover {
    background: #000;
    border-color: #fff;
}

button.add-instrument-toggle:hover .plus-icon {
    color: rgba(255, 255, 255, 1);
}

.add-instrument-toggle .plus-icon {
    font-size: 80px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
    line-height: 1;
}

.add-instrument-toggle:hover {
    background: #000;
}

.add-instrument-toggle:hover .plus-icon {
    color: rgba(255, 255, 255, 1);
}

.add-instrument-card.form-visible .add-instrument-toggle {
    display: none;
}

.add-instrument-card.form-visible {
    justify-content: space-between;
}

.add-instrument-card input,
.add-instrument-card .add-instrument-content select,
.add-instrument-card .color-picker-wrapper input[type="color"],
.add-instrument-card button {
    border-color: rgba(255, 255, 255, 0.7);
}

.add-instrument-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    justify-content: center;
}

.add-instrument-content select,
.add-instrument-content input {
    background: black;
    border: 3px solid #fff;
    color: #fff;
    padding: 4px 8px;
    font-family: "VT323", serif;
    width: 100%;
}

.selector-preview-wrapper {
    display: flex;
    gap: 5px;
    align-items: stretch;
}

.instrument-selector {
    flex: 1;
}

.preview-button-wrapper {
    display: flex;
}

.preview-button-wrapper .preview-button {
    width: 100%;
}

.instrument-params .add-button {
    width: 100%;
}

/* ===================================
   STEP BUTTONS
   =================================== */
.step-button {
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    aspect-ratio: 1/1;
}

.instrument-grid button {
    border-color: rgba(255, 255, 255, 0.7);
}

.instrument-grid button:hover {
    border-color: #fff !important;
    background: #000;
}

.step-button.active {
    background-color: #fff;
}

.step-button.active:hover {
    border-color: #fff !important;
}

.step-button.current {
    border-color: red !important;
}

.menu-button {
    display: none;
}

button {
    user-select: none;
}

/* ===================================
   MEDIA QUERIES
   =================================== */
@media (max-width: 768px) {
    body {
        font-size: 26px;
    }

    input,
    button,
    select,
    textarea {
        font-size: 26px;
    }

    .wrap {
        padding: 10px;
        flex-direction: column;
    }

    .ctr {
        border-width: 3px;
    }

    .ctr-title {
        top: 0;
    }

    /* Beat maker mobile adjustments */
    .beat-maker {
        padding: 20px 10px 10px;
    }

    /* Beat maker controls mobile adjustments */
    .beat-maker-controls {
        flex-direction: column;
        gap: 10px;
    }

    .controls-left,
    .controls-right {
        width: 100%;
        justify-content: stretch;
        flex: 1;
    }

    /* On mobile, only specific elements stretch */
    .new-button,
    .save-button,
    .delete-button {
        flex: 0 0 auto;
    }

    .export-button,
    .import-button {
        flex: 1;
    }

    .saved-beats-control {
        flex: 1;
        max-width: none;
    }

    .tempo-control {
        flex: 0 0 auto;
        justify-content: center;
    }

    .tempo-control .tempo-input {
        width: 70px;
    }

    .preset-select,
    .saved-beats-select {
        max-width: none;
        width: 100%;
    }

    /* Instruments mobile adjustments */
    .instruments-container {
        gap: 10px;
        row-gap: 20px;
        grid-template-columns: repeat(2, 1fr);
    }

    .instrument-grid {
        grid-template-columns: repeat(4, 1fr);
        grid-auto-rows: 1fr;
        gap: 7px;
    }

    .step-button {
        width: 100%;
        height: auto;
    }

    .instrument-row {
        padding: 7px;
    }

    .instrument-row.add-instrument-card {
        padding: 0;
    }

    .instruments-section {
        margin-top: 0;
    }

    .beat-maker-controls {
        display: none;
    }

    .beat-maker-controls.active {
        display: flex;
        position: fixed;
        left: 10px;
        right: 10px;
        bottom: 85px;
        z-index: 10;
        color: #000;
        background: #000;
        padding: 10px;
        border: 3px solid #fff;
    }

    .beat-maker-controls-desktop {
        display: none;
    }

    .menu-button {
        display: flex;
    }
}