/* 
 * Browser-Based Pocket Operator - Styles
 * 
 * This stylesheet implements the Leuchtorange theme and responsive design
 * for the browser-based Pocket Operator application.
 */

/* CSS Variables for consistent theming */
:root {
    --primary-color: #FF5C00; /* Leuchtorange - bright orange */
    --primary-light: #FF8C40;
    --primary-dark: #CC4A00;
    --background-color: #222222;
    --text-color: #FFFFFF;
    --button-color: #333333;
    --button-active: #444444;
    --display-background: #111111;
    --grid-color: #444444;
    --record-color: #FF3333;
}

/* Global styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Courier New', monospace;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

/* Main container */
.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

/* Pocket Operator device styling */
.pocket-operator {
    background-color: var(--button-color);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
    position: relative;
}

/* LCD-style display */
.display {
    background-color: var(--display-background);
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 20px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.display-content {
    width: 100%;
}

.display-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

/* Recording indicator with animation */
#recordingIndicator {
    color: var(--record-color);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Sequencer grid layout */
.sequencer-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 5px;
    margin-bottom: 20px;
}

/* Step button styling */
.step-button {
    background-color: var(--button-color);
    border: 1px solid var(--grid-color);
    border-radius: 3px;
    height: 40px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.step-button:hover {
    background-color: var(--button-active);
}

.step-button.active {
    background-color: var(--primary-color);
}

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

/* Sound selection buttons */
.sound-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.sound-button {
    background-color: var(--button-color);
    color: var(--text-color);
    border: 1px solid var(--grid-color);
    border-radius: 3px;
    padding: 10px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.sound-button:hover {
    background-color: var(--button-active);
}

.sound-button.active {
    background-color: var(--primary-color);
}

/* Control buttons */
.control-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.control-button {
    background-color: var(--button-color);
    color: var(--text-color);
    border: 1px solid var(--grid-color);
    border-radius: 3px;
    padding: 10px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.control-button:hover {
    background-color: var(--button-active);
}

.control-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Special styling for record button */
#recordButton {
    background-color: var(--button-color);
}

#recordButton.recording {
    background-color: var(--record-color);
    animation: pulse 1s infinite;
}

/* Knob controls */
.knobs {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
}

.knob-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.knob {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--button-color);
    border: 2px solid var(--primary-color);
    position: relative;
    cursor: pointer;
}

.knob-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2px;
    height: 40%;
    background-color: var(--primary-color);
    transform-origin: bottom center;
    transform: translate(-50%, -100%) rotate(0deg);
}

/* Additional controls */
.additional-controls {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

/* Effects panel */
.panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--button-color);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    padding: 20px;
    z-index: 100;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.7);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.panel-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Effect controls */
.effect-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.effect-control label {
    width: 150px;
}

.effect-control input[type="range"] {
    flex: 1;
    height: 20px;
    -webkit-appearance: none;
    background-color: var(--display-background);
    border-radius: 10px;
    outline: none;
}

.effect-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
}

.effect-control span {
    width: 40px;
    text-align: right;
}

/* Effect target toggle */
.effect-target {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle-container {
    display: flex;
    gap: 5px;
}

.toggle-button {
    background-color: var(--button-color);
    color: var(--text-color);
    border: 1px solid var(--grid-color);
    border-radius: 3px;
    padding: 5px 10px;
    cursor: pointer;
}

.toggle-button.active {
    background-color: var(--primary-color);
}

/* Close button */
.close-button {
    background-color: transparent;
    color: var(--text-color);
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* Help modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal-content {
    background-color: var(--button-color);
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    padding: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-body {
    line-height: 1.5;
}

.modal-body h3 {
    margin: 15px 0 10px;
    color: var(--primary-color);
}

.modal-body ul {
    margin-left: 20px;
}

.modal-body li {
    margin-bottom: 5px;
}

/* Audio start overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.overlay-content {
    text-align: center;
}

.overlay-content h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.overlay-content button {
    background-color: var(--primary-color);
    color: var(--text-color);
    border: none;
    border-radius: 5px;
    padding: 15px 30px;
    font-size: 18px;
    cursor: pointer;
    margin-top: 20px;
}

/* Loading indicator */
.loading-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 150;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--button-color);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility classes */
.hidden {
    display: none;
}

/* Responsive design */
@media (min-width: 768px) {
    /* Adjust sequencer grid to show all 16 steps on larger screens */
    .sequencer-grid {
        grid-template-columns: repeat(16, 1fr);
    }
    
    /* Adjust sound buttons to show all 8 on larger screens */
    .sound-buttons {
        grid-template-columns: repeat(8, 1fr);
    }
    
    /* Adjust control buttons to show all 5 on larger screens */
    .control-buttons {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (max-width: 767px) {
    /* Smaller text and elements for mobile */
    .display {
        height: 60px;
        font-size: 14px;
    }
    
    .step-button {
        height: 30px;
    }
    
    .knob {
        width: 60px;
        height: 60px;
    }
    
    /* Stack effect controls on mobile */
    .effect-control {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .effect-control input[type="range"] {
        width: 100%;
    }
}