/* CR Neuromodulation WebAssembly Version Styles */

:root {
    /* Tooltip colors */
    --tooltip-bg: rgba(52, 73, 94, 0.95);
    --tooltip-text: #fff;
    --tooltip-border: rgba(52, 73, 94, 0.2);
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --tertiary-color: #9b59b6;
    --danger-color: #e74c3c;
    --text-color: #333;
    --light-text: #666;
    --background-color: #f5f5f5;
    --card-background: #fff;
    --border-color: #ddd;
    --active-color: #27ae60;
    --inactive-color: #95a5a6;
    --hover-color: #2980b9;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--card-background);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    text-align: center;
}

/* Top buttons styling */
main > .actions:first-of-type {
    margin-top: 20px;
    margin-bottom: 30px;
    display: flex;
    gap: 10px;
    justify-content: center;
}

h1 {
    margin-bottom: 10px;
    font-size: 28px;
}

.subtitle {
    font-size: 16px;
    opacity: 0.9;
}

main {
    padding: 20px;
}

section {
    margin-bottom: 30px;
}

.modulation-controls {
    background-color: #f0f8ff;
    padding: 15px;
    border-radius: 6px;
    border: 1px solid #d0e0f0;
}

.modulation-controls h2 {
    color: #2980b9;
}

.toggle-container {
    display: flex;
    align-items: center;
}

.toggle-container input[type="checkbox"] {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.select-container {
    width: 100%;
}

.select-container select {
    width: 100%;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background-color: white;
    font-size: 14px;
    cursor: pointer;
}

.select-container select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.control-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.slider-container {
    display: flex;
    align-items: center;
    position: relative;
}

/* Ghost handle for modulation visualization */
.ghost-handle {
    position: absolute;
    width: 24px;
    height: 24px;
    background-color: rgba(155, 89, 182, 0.3); /* Light purple with low opacity */
    border: 2px dashed rgba(155, 89, 182, 0.5);
    border-radius: 50%;
    pointer-events: none; /* Don't interfere with slider interaction */
    transform: translate(-50%, -50%); /* Center the handle */
    top: 50%;
    z-index: 5; /* Below the actual handle */
    display: none; /* Hidden by default, shown when modulation is enabled */
}

input[type="range"] {
    flex: 1;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: #ddd;
    outline: none;
    border-radius: 4px;
    margin-right: 15px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--hover-color);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
    border: none;
}

input[type="range"]::-moz-range-thumb:hover {
    background: var(--hover-color);
}

span[id$="-value"] {
    min-width: 70px;
    text-align: right;
    font-family: monospace;
    font-size: 14px;
}

.actions {
    display: flex;
    gap: 10px;
    margin-top: 30px;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

.primary-button:hover:not(:disabled) {
    background-color: var(--hover-color);
}

.secondary-button {
    background-color: var(--danger-color);
    color: white;
}

.secondary-button:hover:not(:disabled) {
    background-color: #c0392b;
}

.tertiary-button {
    background-color: var(--light-text);
    color: white;
}

.tertiary-button:hover:not(:disabled) {
    background-color: #7f8c8d;
}

.status {
    margin-top: 30px;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.status-indicator {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.status-light {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: var(--inactive-color);
    margin-right: 10px;
}

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

.status-light.error {
    background-color: var(--danger-color);
    box-shadow: 0 0 10px var(--danger-color);
}

.audio-context-status {
    font-size: 14px;
    color: var(--light-text);
}

footer {
    background-color: #f0f0f0;
    padding: 15px;
    text-align: center;
    font-size: 14px;
    color: var(--light-text);
    border-top: 1px solid var(--border-color);
}

.note {
    margin-top: 5px;
    font-size: 12px;
    opacity: 0.8;
}

/* Tooltip styles */
.tooltip-container {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-left: 5px;
}

.tooltip-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    font-size: 11px;
    font-weight: bold;
    cursor: help;
    transition: background-color 0.2s;
}

.tooltip-icon:hover, .tooltip-icon:focus {
    background-color: var(--hover-color);
}

.tooltip-content {
    position: absolute;
    z-index: 100;
    width: 250px;
    padding: 10px;
    border-radius: 4px;
    background-color: var(--tooltip-bg);
    color: var(--tooltip-text);
    font-size: 13px;
    font-weight: normal;
    line-height: 1.4;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    pointer-events: none;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
}

.tooltip-container:hover .tooltip-content,
.tooltip-icon:focus + .tooltip-content {
    opacity: 1;
    visibility: visible;
}

/* Arrow for tooltip */
.tooltip-content::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px 6px 6px 0;
    border-style: solid;
    border-color: transparent var(--tooltip-bg) transparent transparent;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        border-radius: 0;
        box-shadow: none;
    }
    
    .slider-container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    input[type="range"] {
        width: 100%;
        margin-bottom: 5px;
    }
    
    span[id$="-value"] {
        text-align: left;
    }
    
    .actions, main > .actions:first-of-type {
        flex-direction: column;
    }
    
    button {
        width: 100%;
    }
    
    /* Mobile tooltip adjustments */
    .tooltip-content {
        width: 200px;
        left: auto;
        right: -10px;
        top: 25px;
        transform: none;
    }
    
    .tooltip-content::before {
        left: auto;
        right: 15px;
        top: -6px;
        transform: none;
        border-width: 0 6px 6px 6px;
        border-color: transparent transparent var(--tooltip-bg) transparent;
    }
    
    /* Ensure label and tooltip icon stay on same line */
    label {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
    }
}