@charset "UTF-8";

canvas {
    border: 1px solid var(--section-border);
    margin-top: 10px;
    background: var(--container-bg); /* 다크모드에서 배경 통일 */
    min-width: 800px;
    display: block;
}

.canvas-container {
    overflow-x: auto;
    max-width: 100%;
    padding-bottom: 12px;
}

#previewCanvasContainer {
    overflow-x: auto;
    max-width: 100%;
    max-height: 500px;
    scrollbar-width: thin;
    scrollbar-color: var(--nav-scrollbar-thumb) var(--nav-scrollbar-track);
}

#previewCanvasContainer::-webkit-scrollbar {
    height: 10px;
}

#previewCanvasContainer::-webkit-scrollbar-track {
    background: var(--nav-scrollbar-track);
}

#previewCanvasContainer::-webkit-scrollbar-thumb {
    background: var(--nav-scrollbar-thumb);
    border-radius: 5px;
}

#infoCanvas {
    margin-bottom: 8px;
}

.track-selection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
}

.track-btn {
    background: #bfdbfe;
    color: #2d3436;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
    text-align: center;
}

.track-btn:hover {
    background: #93c5fd;
    transform: scale(1.05);
}

.track-btn[data-selected="true"] {
    background: #0984e3;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-weight: bold;
}

.note-btn {
    background: var(--input-bg); /* 하드코딩 제거 */
    color: var(--input-text);
    padding: 0.5rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
}

.note-btn.white {
    background: var(--input-bg);
    color: var(--input-text);
    border: 1px solid var(--input-border);
    height: 80px;
    width: 60px;
    margin: 0 4px;
}

.sharp-btn {
    background: #1e3a8a;
    height: 50px;
    width: 40px;
    position: relative;
    margin: 0 -20px;
    z-index: 1;
    color: var(--button-text);
}

.length-btn {
    background: var(--input-bg); /* 하드코딩 제거 */
    color: var(--input-text);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
}

.play-btn,
.play-melody-btn,
.play-chord-btn,
.play-track-btn {
    background: #d1fae5;
    color: #2d3436;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.play-btn:hover,
.play-melody-btn:hover,
.play-chord-btn:hover,
.play-track-btn:hover {
    background: #a7f3d0;
    transform: scale(1.05);
}

.play-btn[data-selected="true"],
.play-melody-btn[data-selected="true"],
.play-chord-btn[data-selected="true"],
.play-track-btn[data-selected="true"] {
    background: #10b981;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stop-btn {
    background: #fee2e2;
    color: #2d3436;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.stop-btn:hover {
    background: #fecaca;
    transform: scale(1.05);
}

.stop-btn[data-selected="true"] {
    background: #ef4444;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.undo-btn,
.redo-btn {
    background: #ffedd5;
    color: #2d3436;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.undo-btn:hover,
.redo-btn:hover {
    background: #fed7aa;
    transform: scale(1.05);
}

.undo-btn[data-selected="true"],
.redo-btn[data-selected="true"] {
    background: #f59e0b;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.clear-btn {
    background: var(--input-bg); /* 하드코딩 제거 */
    color: var(--input-text);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.clear-btn:hover {
    background: #d1d5db;
    transform: scale(1.05);
}

.clear-btn[data-selected="true"] {
    background: #6b7280;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.copy-all-btn {
    background: var(--input-bg); /* 하드코딩 제거 */
    color: var(--input-text);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.copy-all-btn:hover {
    background: #d1d5db;
    transform: scale(1.05);
}

.copy-all-btn[data-selected="true"] {
    background: #4b5563;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.help-btn {
    background: #dbeafe;
    color: #2d3436;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.help-btn:hover {
    background: #bfdbfe;
    transform: scale(1.05);
}

.help-btn[data-selected="true"] {
    background: #3b82f6;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.action-btn {
    background: #dbeafe;
    color: #2d3436;
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.action-btn:hover {
    background: #bfdbfe;
    transform: scale(1.05);
}

.action-btn[data-selected="true"] {
    background: #3b82f6;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.collapse-btn {
    background: #dbeafe;
    color: #2d3436;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 200px;
    margin-bottom: 16px;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.collapse-btn:hover {
    background: #bfdbfe;
    transform: scale(1.05);
}

.collapse-btn[data-selected="true"] {
    background: #3b82f6;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.collapse-btn::after {
    content: '▼';
    margin-left: 8px;
}

.collapse-btn.collapsed::after {
    content: '▶';
}

.primary-btn {
    font-weight: bold;
    padding: 0.6rem 1.2rem;
    font-size: 1rem;
}

.controls-group {
    margin-bottom: 24px;
}

.button-group {
    background: var(--section-bg); /* 하드코딩 제거 */
    padding: 12px;
    border-radius: 8px;
    border-bottom: 1px solid var(--section-border);
    margin-bottom: 12px;
}

.button-group-title {
    font-size: 0.85rem;
    color: var(--text-color); /* 다크모드 대비 */
    margin: 0 0 4px;
    display: block;
    border-bottom: 1px solid var(--section-border);
    padding-bottom: 4px;
    font-family: 'Pretendard-Regular';
}

.button-group .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
}

.button-group .fa-icon {
    margin-right: 8px;
}

.piano-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 24px;
    overflow-x: auto;
    max-width: 100%;
}

.piano-row {
    display: flex;
    position: relative;
    gap: 6px;
}

.collapse-section {
    margin-top: 12px;
}

.collapse-content {
    display: none;
}

.collapse-content.show {
    display: block;
}

.modal {
    display: none !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-bg);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex !important;
}

.modal-content {
    background: var(--modal-content-bg);
    color: var(--modal-content-text);
    padding: 1.5rem;
    border-radius: 12px;
    max-width: 90%;
    width: 500px;
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
    position: relative;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-content h2 {
    margin-top: 0;
    color: var(--modal-content-text);
}

.modal-content p {
    margin: 0.5rem 0;
}

.modal-content .help-btn {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
}

.modal-header {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.modal-title {
    flex-grow: 1;
    text-align: center;
    margin: 0;
}

.modal-close {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--modal-content-text);
}

#error {
    color: #ef4444;
    padding: 0.75rem;
    border-radius: 6px;
    margin-top: 0.75rem;
    background: rgba(239, 68, 68, 0.15);
    font-size: 1rem;
}

button:disabled {
    background: #d1d5db;
    opacity: 0.6;
    cursor: not-allowed;
}

body.dark-mode button:disabled {
    background: #4b5563;
    color: #9ca3af;
}

textarea,
input[type="number"],
select {
    width: 100%;
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--input-text);
    font-size: 0.9rem;
    box-sizing: border-box;
    height: 36px;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

textarea.invalid {
    border-color: #ef4444;
}

body.dark-mode textarea.invalid {
    border-color: #f87171;
}

input[type="number"] {
    max-width: 70px;
}

select {
    max-width: 180px;
}

.label-fixed {
    width: 70px;
    flex-shrink: 0;
    text-align: right;
}

.settings-group {
    max-width: 600px;
    margin: 0 auto;
    flex-wrap: nowrap;
}

@media (max-width: 600px) {
	.piano-container {
	    align-items: normal;
	    font-size: -1rem;
	}
    .container {
        padding: 0.5rem;
    }

    .track-selection {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 6px;
    }

    .settings-group {
        flex-direction: column;
        gap: 12px;
        max-width: 100%;
    }

    .controls-group {
        flex-direction: column;
        gap: 8px;
    }

    .button-group .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .track-btn,
    .play-btn,
    .stop-btn,
    .undo-btn,
    .redo-btn,
    .play-melody-btn,
    .play-chord-btn,
    .clear-btn,
    .copy-all-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
        width: 100%;
    }

    .help-btn,
    .play-track-btn,
    .action-btn,
    .collapse-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
        width: 100%;
    }

    .primary-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .piano-container {
        margin-bottom: 16px;
    }

    .piano-row {
        gap: 4px;
    }

    .note-btn.white {
        height: 60px;
        width: 45px;
        margin: 0 3px;
    }

    .sharp-btn {
        height: 40px;
        width: 30px;
        margin: 0 -15px;
    }

    textarea,
    input[type="number"],
    select {
        font-size: 0.85rem;
        padding: 0.5rem;
        height: 32px;
    }

    input[type="number"] {
        max-width: 80px;
    }

    select {
        max-width: 100%;
    }

    .label-fixed {
        width: auto;
        text-align: left;
    }

    #error {
        font-size: 0.85rem;
        padding: 0.6rem;
    }

    .modal-content {
        width: 95%;
        padding: 1rem;
    }

    .canvas-container {
        padding: 0;
    }

    #previewCanvasContainer {
        max-height: 400px;
    }

    canvas {
        min-width: 600px;
    }
}

body.dark-mode button,
body.dark-mode input,
body.dark-mode select,
body.dark-mode textarea {
    color: var(--input-text);
    background: var(--input-bg);
    border-color: var(--input-border);
}

body.dark-mode .modal {
    background: var(--modal-bg);
}

body.dark-mode .modal-content {
    border: 1px solid var(--section-border);
}

body.dark-mode button:hover {
    color: var(--input-text);
}

body.dark-mode .track-btn {
    color: var(--input-text);
}

body.dark-mode .track-btn:hover {
    background: var(--dark-button-hover-bg);
}

body.dark-mode .track-btn[data-selected="true"] {
    background: var(--dark-button-selected-bg);
    color: var(--input-text);
}

body.dark-mode .note-btn {
    background: var(--input-bg);
    color: var(--input-text);
}

body.dark-mode .note-btn.white {
    background: var(--input-bg);
    color: var(--input-text);
}

body.dark-mode .sharp-btn {
    background: #1e40af;
    color: var(--input-text);
}

body.dark-mode .length-btn {
    color: var(--input-text);
}

body.dark-mode .length-btn:hover {
    background: var(--dark-button-hover-bg);
}

body.dark-mode .play-btn,
body.dark-mode .play-melody-btn,
body.dark-mode .play-chord-btn,
body.dark-mode .play-track-btn {
    color: var(--input-text);
}

body.dark-mode .play-btn:hover,
body.dark-mode .play-melody-btn:hover,
body.dark-mode .play-chord-btn:hover,
body.dark-mode .play-track-btn:hover {
    background: var(--dark-button-hover-bg);
}

body.dark-mode .play-btn[data-selected="true"],
body.dark-mode .play-melody-btn[data-selected="true"],
body.dark-mode .play-chord-btn[data-selected="true"],
body.dark-mode .play-track-btn[data-selected="true"] {
    background: #059669;
    color: var(--input-text);
}

body.dark-mode .stop-btn {
    color: var(--input-text);
}

body.dark-mode .stop-btn:hover {
    background: var(--dark-button-hover-bg);
}

body.dark-mode .stop-btn[data-selected="true"] {
    background: #dc2626;
    color: var(--input-text);
}

body.dark-mode .undo-btn,
body.dark-mode .redo-btn {
    color: var(--input-text);
}

body.dark-mode .undo-btn:hover,
body.dark-mode .redo-btn:hover {
    background: var(--dark-button-hover-bg);
}

body.dark-mode .undo-btn[data-selected="true"],
body.dark-mode .redo-btn[data-selected="true"] {
    background: #d97706;
    color: var(--input-text);
}

body.dark-mode .clear-btn {
    color: var(--input-text);
}

body.dark-mode .clear-btn:hover {
    background: var(--dark-button-hover-bg);
}

body.dark-mode .clear-btn[data-selected="true"] {
    background: #4b5563;
    color: var(--input-text);
}

body.dark-mode .copy-all-btn {
    color: var(--input-text);
}

body.dark-mode .copy-all-btn:hover {
    background: var(--dark-button-hover-bg);
}

body.dark-mode .copy-all-btn[data-selected="true"] {
    background: #4b5563;
    color: var(--input-text);
}

body.dark-mode .help-btn {
    color: var(--input-text);
}

body.dark-mode .help-btn:hover {
    background: var(--dark-button-hover-bg);
}

body.dark-mode .help-btn[data-selected="true"] {
    background: var(--dark-button-selected-bg);
    color: var(--input-text);
}

body.dark-mode .action-btn {
    color: var(--input-text);
}

body.dark-mode .action-btn:hover {
    background: var(--dark-button-hover-bg);
}

body.dark-mode .action-btn[data-selected="true"] {
    background: var(--dark-button-selected-bg);
    color: var(--input-text);
}

body.dark-mode .collapse-btn {
    color: var(--input-text);
}

body.dark-mode .collapse-btn:hover {
    background: var(--dark-button-hover-bg);
}

body.dark-mode .collapse-btn[data-selected="true"] {
    background: var(--dark-button-selected-bg);
    color: var(--input-text);
}