/**
 * Drum Sheet Editor PRO v4 - Ultra Professional Styles
 * Complete drum notation editor with all features
 */

/* ===== EDITOR CONTAINER ===== */
.ds-editor.ds-pro {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ===== PRO TOOLBAR ===== */
.ds-toolbar-pro {
    display: flex;
    flex-direction: column;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.ds-toolbar-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
}

.ds-toolbar-row:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.ds-toolbar-main {
    background: var(--bg-card);
}

.ds-toolbar-section {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.ds-toolbar-divider {
    width: 1px;
    height: 28px;
    background: var(--border-color);
    margin: 0 var(--space-2);
}

/* ===== TOOLBAR GROUPS ===== */
.ds-toolbar-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) 0;
}

.ds-group-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-width: 55px;
}

.ds-btn-group {
    display: flex;
    gap: 2px;
    background: var(--bg-body);
    border-radius: var(--border-radius-md);
    padding: 2px;
}

/* ===== MODE TOGGLE ===== */
.ds-mode-toggle {
    display: flex;
    gap: 2px;
    background: var(--bg-body);
    border-radius: var(--border-radius-md);
    padding: 2px;
}

.ds-mode-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border: none;
    border-radius: var(--border-radius-md);
    background: transparent;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ds-mode-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.ds-mode-btn.active {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
}

/* ===== TOOL BUTTONS ===== */
.ds-tool-main {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.ds-tool-main:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--color-primary);
}

.ds-tool-main.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.ds-tool-main.ds-tool-erase.active {
    background: #ef4444;
    border-color: #ef4444;
}

/* ===== DURATION BUTTONS ===== */
.ds-dur-btn {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ds-dur-btn:hover {
    background: var(--bg-card-hover);
}

.ds-dur-btn.active {
    background: var(--color-primary);
    color: white;
}

.ds-dur-btn[data-duration="1"] { font-size: 22px; }
.ds-dur-btn[data-duration="2"] { font-size: 20px; }

/* ===== ARTICULATION BUTTONS ===== */
.ds-art-btn {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ds-art-btn:hover {
    background: var(--bg-card-hover);
}

.ds-art-btn.active {
    background: #f59e0b;
    color: white;
}

/* ===== RUDIMENT BUTTONS ===== */
.ds-rud-btn {
    min-width: 40px;
    height: 28px;
    padding: 0 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--text-primary);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ds-rud-btn:hover {
    background: var(--bg-card-hover);
}

.ds-rud-btn.active {
    background: #8b5cf6;
    color: white;
}

/* ===== MODIFIER BUTTONS ===== */
.ds-mod-btn {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ds-mod-btn:hover {
    background: var(--bg-card-hover);
}

.ds-mod-btn.active {
    background: #10b981;
    color: white;
}

/* ===== DYNAMIC BUTTONS ===== */
.ds-dyn-btn {
    min-width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--text-primary);
    font-size: 11px;
    font-style: italic;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ds-dyn-btn:hover {
    background: var(--bg-card-hover);
}

.ds-dyn-btn.active {
    background: #ef4444;
    color: white;
}

/* ===== TIME SIGNATURE BUTTONS ===== */
.ds-time-btn {
    min-width: 36px;
    height: 28px;
    padding: 0 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ds-time-btn:hover {
    background: var(--bg-card-hover);
}

.ds-time-btn.active {
    background: #06b6d4;
    color: white;
}

/* ===== PRESET BUTTONS ===== */
.ds-preset-btn {
    padding: 4px 10px;
    display: flex;
    align-items: center;
    gap: 4px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ds-preset-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--color-primary);
}

.ds-preset-btn i {
    font-size: 10px;
    opacity: 0.7;
}

/* ===== SELECTS & INPUTS ===== */
.ds-select {
    padding: var(--space-1) var(--space-2);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    cursor: pointer;
}

.ds-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.ds-input {
    width: 55px;
    padding: var(--space-1) var(--space-2);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    text-align: center;
}

.ds-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.ds-unit {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ===== CONTENT AREA ===== */
.ds-content-area {
    min-height: 200px;
    position: relative;
}

/* ===== STAFF CONTAINER ===== */
.ds-staff-container {
    padding: var(--space-3);
    overflow-x: auto;
    background: #fefefe;
    min-height: 200px;
}

.ds-staff-wrapper {
    position: relative;
    display: inline-block;
    min-width: 100%;
}

.ds-staff-container svg {
    display: block;
}

#ds-vexflow-output {
    display: block;
}

/* Click indicator */
.ds-click-indicator {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(99, 102, 241, 0.8);
    border: 2px solid #4f46e5;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    display: none;
    z-index: 100;
    font-size: 10px;
    font-weight: bold;
    color: white;
    text-align: center;
    line-height: 16px;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
    transition: background 0.1s, border-color 0.1s;
}

.ds-click-indicator.ds-erase {
    background: rgba(239, 68, 68, 0.8);
    border-color: #dc2626;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
}

.ds-error {
    padding: var(--space-4);
    text-align: center;
    color: var(--color-danger, #ef4444);
}

/* Dark mode staff */
[data-theme="dark"] .ds-staff-container {
    background: #1e1e2e;
}

[data-theme="dark"] .ds-staff-container svg {
    filter: invert(0.88) hue-rotate(180deg);
}

/* ===== GRID MODE ===== */
.ds-grid-container {
    padding: var(--space-3);
    overflow-x: auto;
}

.ds-grid {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: fit-content;
}

.ds-grid-row {
    display: flex;
    align-items: center;
    gap: 2px;
}

.ds-header-row {
    margin-bottom: var(--space-1);
}

.ds-grid-label {
    width: 90px;
    min-width: 90px;
    padding: var(--space-1) var(--space-2);
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: right;
    white-space: nowrap;
}

.ds-header-row .ds-grid-label {
    color: transparent;
}

.ds-grid-header {
    width: 26px;
    min-width: 26px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
}

.ds-grid-header.ds-downbeat {
    color: var(--color-primary);
}

.ds-grid-cell {
    width: 26px;
    min-width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.1s ease;
    font-size: 12px;
    color: var(--text-muted);
}

.ds-grid-cell:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--color-primary);
}

.ds-grid-cell.ds-downbeat {
    border-left: 2px solid var(--color-primary);
}

.ds-grid-cell.ds-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.ds-grid-cell.ds-playing {
    background: #22c55e;
    border-color: #22c55e;
    color: white;
    transform: scale(1.1);
}

/* ===== INSTRUMENT BUTTONS ===== */
.ds-instrument-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-left: var(--space-2);
}

.ds-inst-btn {
    padding: var(--space-1) var(--space-2);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.ds-inst-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.ds-inst-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* ===== PLAYBACK CONTROLS ===== */
.ds-playback {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
}

.ds-playback-main {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.ds-playback-center {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.ds-playback-actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.ds-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.15s ease;
}

.ds-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--color-primary);
}

.ds-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.ds-btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
}

.ds-btn-play {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    min-width: 100px;
}

.ds-btn-play:hover {
    background: #4f46e5;
}

.ds-btn-stop {
    background: #ef4444;
    border-color: #ef4444;
    color: white;
}

.ds-btn-stop:hover {
    background: #dc2626;
}

.ds-btn-clear {
    color: var(--text-muted);
}

.ds-btn-clear:hover {
    background: #ef4444;
    border-color: #ef4444;
    color: white;
}

.ds-beat-display {
    padding: var(--space-1) var(--space-3);
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    min-width: 50px;
    text-align: center;
}

/* Metronome indicator */
.ds-metronome {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 11px;
    color: var(--text-secondary);
}

.ds-metronome-light {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
    transition: background 0.1s;
}

.ds-metronome-light.ds-beat-on {
    background: #22c55e;
    box-shadow: 0 0 8px #22c55e;
}

/* ===== LEGEND ===== */
.ds-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-body);
    border-top: 1px solid var(--border-color);
    font-size: 10px;
}

.ds-legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
}

.ds-legend-symbol {
    font-weight: bold;
    color: var(--text-primary);
}

/* ===== TOOLTIPS ===== */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 10px;
    color: var(--text-primary);
    white-space: nowrap;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .ds-toolbar-row {
        gap: var(--space-2);
    }

    .ds-toolbar-group {
        flex-wrap: wrap;
    }

    .ds-group-label {
        min-width: 50px;
        font-size: 9px;
    }

    .ds-toolbar-divider {
        display: none;
    }
}

@media (max-width: 600px) {
    .ds-toolbar-pro {
        padding: var(--space-2);
    }

    .ds-toolbar-row {
        padding: var(--space-2);
        flex-direction: column;
        align-items: flex-start;
    }

    .ds-toolbar-group {
        width: 100%;
    }

    .ds-playback {
        flex-direction: column;
        gap: var(--space-2);
    }

    .ds-playback-main,
    .ds-playback-center,
    .ds-playback-actions {
        width: 100%;
        justify-content: center;
    }

    .ds-beat-display {
        width: 100%;
    }

    .ds-grid-label {
        width: 70px;
        min-width: 70px;
        font-size: 10px;
    }

    .ds-grid-cell,
    .ds-grid-header {
        width: 22px;
        min-width: 22px;
        height: 22px;
    }

    .ds-legend {
        justify-content: center;
    }
}

/* ===== MODAL STYLES ===== */
.ds-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1200;
    padding: var(--space-4);
}

.ds-modal.hidden {
    display: none;
}

.ds-modal-content {
    background: var(--bg-card);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 1000px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.ds-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-color);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
}

.ds-modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 24px;
    border-radius: var(--border-radius-md);
    transition: all 0.15s ease;
}

.ds-modal-close:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.ds-modal-body {
    flex: 1;
    overflow: auto;
    padding: var(--space-3);
}

.ds-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}