/* Base styles and reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

@font-face {
  font-family: 'IBM Plex Mono'; /* Define the font family name */
  src: url('path/to/ibm-plex-mono.woff2') format('woff2'), /* Specify font file paths */
       url('path/to/ibm-plex-mono.woff') format('woff');
  /* Add other font formats as needed */
}

:root {
    /* Color palette - retro 16-bit inspired */
    --primary-bg: #ffffff;
    --secondary-bg: #eeeeee;
    --grid-bg: #252525;
    --step-inactive: #ffffff;
    --step-active: #00b8ff;
    --step-current: #ff5252;
    --text-primary: #f6e1e1;
    --text-secondary: #000000;
    --accent-color: #00ff9d;
    --button-bg: #2d2d2d;
    --button-hover: #3d3d3d;
    --track-kick: #ff5252;
    --track-snare: #ffb74d;
    --track-hihat: #ffee58;
    --track-clap: #66bb6a;
    --track-bass: #42a5f5;
    --track-lead1: #7e57c2;
    --track-lead2: #ec407a;
    --track-chord: #26a69a;
    --dark: #000000;
}

body {
    font-family: 'IBM Plex Mono', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header styles */
header {
    text-align: center;
    margin-bottom: 60px;
    padding: 60px 0;
    border-bottom: 1px solid var(--dark);
}

h1 {
    font-size: 2.5rem;
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(0, 255, 157, 0.5);
    letter-spacing: 1px;
}

/* Control section */
.controls {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    gap: 30px;
    flex-wrap: wrap;
    min-height: 180px;
}

.control-btn {
    background-color: var(--button-bg);
    color: var(--text-primary);
    border: none;
    width: 50px;
    height: 50px;
    font-size: 24px;
    margin-top: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.control-btn:hover {
    background-color: var(--button-hover);
    transform: scale(1.05);
}

.control-btn:active {
    transform: scale(0.95);
}

.hidden {
    display: none;
}

.play, .tempo-control, .volume-control, .preset-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid var(--dark);
    padding: 40px;
    background-color: var(--secondary-bg);
}

.tempo-control label, .volume-control label, .preset-container label {
    margin-bottom: 8px;
}

.play, .tempo-control label, .volume-control label, .preset-container label {
    font-size: 1rem;
    color: var(--text-secondary);
}

#tempo, .volume-slider {
    width: 200px;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--dark);
    outline: none;
    border-radius: 3px;
    margin-top: 10px;
}

#tempo::-webkit-slider-thumb, .volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

#tempo::-webkit-slider-thumb:hover, .volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px var(--accent-color);
}

/* Rectangular buttons */
.control-btn.rect-btn {
    border-radius: 0px;
    width: auto;
    height: auto;
    padding: 8px 15px;
    font-size: 0.9rem;
}

.sequencer-wrapper {
    margin-bottom: 40px;
    overflow-x: auto;
    background-color: var(--secondary-bg);
    border-radius: 0px;
    padding: 60px;
    border: 1px solid var(--dark);
    
}

/* Sequencer container */
.sequencer-container {
    display:flex;
   
/*    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);*/
}

.clear {
    margin-top: 40px;
}

.clear .control-btn {
    margin: 0px auto;    
}


/* Track labels */
.track-labels {
    display: flex;
    flex-direction: column;
    min-width: 80px;
    margin-right: 15px;
    justify-content: space-between;
}

.track-label {
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

/* Sequencer grid */
.sequencer-grid {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.track {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 6px;
    margin-bottom: 10px;
}

.step {
    width: 40px;
    height: 40px;
    background-color: var(--step-inactive);
    border-radius: opx;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--dark);
}

.step:hover {
    transform: scale(1.05);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
}

.step.active {
    background-color: var(--step-active);
    box-shadow: 0 0 10px var(--step-active);
}

.step.current {
    border: 2px solid var(--step-current);
}

/* Track-specific colors */
#track-kick .step.active {
    background-color: var(--track-kick);
    box-shadow: 0 0 10px var(--track-kick);
}

#track-snare .step.active {
    background-color: var(--track-snare);
    box-shadow: 0 0 10px var(--track-snare);
}

#track-hihat .step.active {
    background-color: var(--track-hihat);
    box-shadow: 0 0 10px var(--track-hihat);
}

#track-clap .step.active {
    background-color: var(--track-clap);
    box-shadow: 0 0 10px var(--track-clap);
}

#track-bass .step.active {
    background-color: var(--track-bass);
    box-shadow: 0 0 10px var(--track-bass);
}

#track-lead1 .step.active {
    background-color: var(--track-lead1);
    box-shadow: 0 0 10px var(--track-lead1);
}

#track-lead2 .step.active {
    background-color: var(--track-lead2);
    box-shadow: 0 0 10px var(--track-lead2);
}

#track-chord .step.active {
    background-color: var(--track-chord);
    box-shadow: 0 0 10px var(--track-chord);
}

/* Waveform viewer */
.waveform-container {
    background-color: var(--secondary-bg);
    border-radius: 0px;
    padding: 20px;
    margin-bottom: 30px;
    border: 1px solid var(--dark);
}

.waveform-container h2 {
    margin-bottom: 15px;
    color: var(--text-secondary);
    font-size: 1.2rem;
    font-weight: 400;
}

#waveform-viewer {
    width: 100%;
    height: 150px;
    background-color: var(--grid-bg);
    border-radius: 4px;
}

.waveform-controls {
    display: flex;
    justify-content: center;
    margin-top: 15px;
    gap: 10px;
}

.waveform-controls button {
    background-color: var(--button-bg);
    color: var(--text-primary);
    border: none;
    border-radius: 4px;
    padding: 5px 10px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.waveform-controls button:hover {
    background-color: var(--button-hover);
}

/* Keyboard shortcuts section */
.keyboard-shortcuts {
    background-color: var(--secondary-bg);
    border-radius: 0px;
    padding: 20px;
    margin-bottom: 30px;
    border: 1px solid var(--dark);
}

.keyboard-shortcuts h3 {
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 1.2rem;
    font-weight: 400;
}

.keyboard-shortcuts ul {
    list-style-type: none;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.keyboard-shortcuts li {
    background-color: var(--grid-bg);
    padding: 8px 15px;
    border-radius: 4px;
    font-size: 0.9rem;
}

.keyboard-shortcuts strong {
    color: var(--accent-color);
    margin-right: 5px;
}
.message {
    text-align: center;
    color: var(--dark);
    font-size: 1rem;
    padding: 20px 0;
}
/* Footer */
footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-secondary);
    font-size: 0.8rem;
    border-top: 1px solid var(--dark);
}

/* Responsive design */
@media (max-width: 1024px) {
    .container {
        padding: 15px;
    }
    
    .step {
        width: 35px;
        height: 35px;
    }
    
    .keyboard-shortcuts ul {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    .step {
        width: 30px;
        height: 30px;
    }
    
    .track-label {
        height: 30px;
        font-size: 0.9rem;
    }
    
    .sequencer-container {
        padding: 15px;
    }
    
    .controls {
        flex-direction: column;
        gap: 15px;
    }
    
    .tempo-control, .volume-control {
        width: 100%;
    }
    
    #tempo, .volume-slider {
        width: 100%;
    }
    
    .waveform-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .waveform-controls button {
        width: 100%;
        margin-bottom: 5px;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 1.8rem;
    }
    
    .step {
        width: 25px;
        height: 25px;
    }
    
    .track-labels {
        min-width: 60px;
    }
    
    .track-label {
        font-size: 0.8rem;
    }
    
    .control-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .preset-container {
        width: 100%;
    }
    
    .preset-container div {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 5px;
    }
    
    .preset-container button {
        width: 100%;
    }
    
    #waveform-viewer {
        height: 120px;
    }
}

/* Animation for current step */
@keyframes pulse {
    0% { border-color: var(--step-current); }
    50% { border-color: transparent; }
    100% { border-color: var(--step-current); }
}

.step.current {
    animation: pulse 0.5s infinite;
}

/* Tooltip styles */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    text-align: center;
    border-radius: 6px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}