/**
 * Microtuna - Music Scale Explorer Styles
 * Custom CSS for the logarithmic spiral frequency visualizer
 * Professional DAW-inspired dark theme interface
 * 
 * Copyright (c) 2025 Peter Thomas
 * Licensed under the MIT License - see LICENSE file for details
 */

body { 
    background-color: #212529; 
    color: #fff;
    overflow: hidden; /* Prevent page scrolling */
    height: 100vh;
}

#canvas-container {
    position: relative;
    flex-grow: 1;
    height: 100%;
}

#frequency-canvas {
    border: 1px solid #495057;
    background-color: #343a40;
    cursor: crosshair;
    position: relative;
    z-index: 1;
}

#frequency-display {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    min-width: 200px;
}

#pinned-panel {
    width: 300px;
    min-width: 300px;
    max-height: 80vh;
    overflow-y: auto;
    border-left: 1px solid #495057;
}

.point-row {
    background-color: #495057;
    margin-bottom: 5px;
    padding: 8px;
    border-radius: 4px;
}

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

.freq-input {
    width: 80px;
    background-color: #343a40;
    border: 1px solid #6c757d;
    color: #fff;
    padding: 2px 4px;
    border-radius: 3px;
}

.control-btn {
    padding: 2px 6px;
    margin: 0 2px;
    font-size: 0.8em;
}

.navbar-brand {
    font-weight: bold;
    color: #17a2b8 !important;
}

.btn-audio {
    transition: all 0.3s ease;
}

.btn-audio.active {
    background-color: #dc3545 !important;
    border-color: #dc3545 !important;
}

#tuning-panel {
    width: 250px;
    min-width: 250px;
    max-height: 100vh;
    overflow-y: auto;
    border-right: 1px solid #495057;
    transition: all 0.3s ease;
}

#tuning-panel.collapsed {
    width: 40px;
    min-width: 40px;
}

#tuning-panel.collapsed .tuning-content {
    display: none;
}

.tuning-option {
    display: flex;
    align-items: center;
    padding: 4px 8px;
    margin-bottom: 2px;
    border-radius: 3px;
    transition: background-color 0.2s ease;
}

.tuning-option:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.tuning-option input[type="checkbox"] {
    margin-right: 8px;
}

.tuning-option label {
    flex-grow: 1;
    margin-bottom: 0;
    cursor: pointer;
}

.tuning-indicator {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    margin-left: 8px;
    opacity: 0.7;
}

.tuning-option input[type="checkbox"]:checked + label + .tuning-indicator {
    opacity: 1;
    box-shadow: 0 0 4px rgba(255, 255, 255, 0.3);
}

.main-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 56px); /* Account for navbar height */
}

.top-section {
    flex: 1;
    min-height: 0;
}

.bottom-panel {
    min-height: 180px;
    max-height: 50vh;
    overflow-y: auto;
    flex-shrink: 0;
    display: none;
    transition: all 0.3s ease;
    position: relative;
    z-index: 10;
}

.bottom-panel.show {
    display: block;
}

.tuning-info-btn {
    color: #6c757d;
    transition: color 0.2s ease;
}

.tuning-info-btn:hover {
    color: #fff;
}

.tuning-option.selected .tuning-info-btn {
    color: #17a2b8;
}

#arp-notes-container {
    max-height: 200px;
    overflow-y: auto;
}

.arp-note {
    display: inline-block;
    margin: 4px;
    padding: 8px 12px;
    border: 2px solid #495057;
    border-radius: 8px;
    background-color: #343a40;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    min-width: 60px;
    text-align: center;
}

.arp-note:hover {
    border-color: #6c757d;
    background-color: #495057;
}

.arp-note.active {
    border-color: #28a745;
    background-color: #1e7e34;
    color: #fff;
}

.arp-note.playing {
    border-color: #ffc107;
    background-color: #e0a800;
    color: #000;
    transform: scale(1.1);
}

.arp-note.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: #343a40;
    background-color: #212529;
}

.arp-note .note-name {
    font-weight: bold;
    font-size: 14px;
}

.arp-note .note-freq {
    font-size: 10px;
    opacity: 0.8;
    margin-top: 2px;
}

.arp-note .note-cents {
    font-size: 9px;
    opacity: 0.6;
    margin-top: 1px;
}

/* Piano Roll Styles */
#arp-piano-roll-canvas-container {
    position: relative;
    /* Removed overflow: hidden to allow content to be visible */
}

#arp-piano-roll-canvas {
    width: 100%;
    height: 100%;
    cursor: crosshair;
}

.piano-roll-note {
    position: absolute;
    background-color: #17a2b8;
    border: 1px solid #138496;
    border-radius: 2px;
    opacity: 0.8;
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 10px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.piano-roll-note:hover {
    opacity: 1;
    transform: scale(1.02);
    z-index: 10;
    background-color: #20c997;
    border-color: #1aa179;
}

.piano-roll-note.playing {
    background-color: #ffc107;
    border-color: #e0a800;
    color: #000;
    transform: scale(1.1);
    z-index: 20;
}

.piano-roll-note.mapped {
    background-color: #e83e8c;
    border-color: #d73384;
}

.piano-roll-note.mapped:hover {
    background-color: #ea5d95;
}

.piano-roll-playhead {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #dc3545;
    z-index: 15;
    transition: left 0.1s linear;
}

.piano-roll-grid-line {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.1);
}

.piano-roll-grid-line.beat {
    background-color: rgba(255, 255, 255, 0.2);
}

.piano-roll-grid-line.bar {
    background-color: rgba(255, 255, 255, 0.3);
}

.arp-sequence-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}