/* Base Button Styles */
.btn-base {
    font-family: "Noto Sans", sans-serif;
    background: var(--control-bg);
    color: var(--text-secondary);
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-base:hover {
    background: #3c3c45;
    transform: translateY(-1px);
}

/* Control Group Buttons */
.control-group button {
    font-family: "Noto Sans", sans-serif;
    background: var(--control-bg); 
    color: var(--text-secondary); 
    border: none;
    border-radius: 4px; 
    padding: 6px 10px; 
    min-width: 30px;
    text-align: center; 
    font-size: var(--text-sm);
    transition: all 0.2s ease;
}

.control-group button:hover {
    background: #3c3c45;
    transform: translateY(-1px);
}

.control-group button.active {
    background: var(--accent-color); 
    color: #181820; 
    font-weight: bold;
    box-shadow: 0 0 8px var(--accent-glow);
}

/* Mode Button */
.mode-button {
    font-family: "Noto Sans", sans-serif;
    background: var(--control-bg);
    color: var(--text-secondary);
    border: none;
    border-radius: 2px;
    padding: 2px 4px;
    cursor: pointer;
    font-size: 10px;
    transition: all 0.2s ease;
}

.mode-button:hover {
    background: #3c3c45;
    transform: translateY(-1px);
}

.mode-button.active {
    background: var(--text-secondary);
    color: #181820;
    font-weight: bold;
    box-shadow: 0 0 8px var(--text-secondary);
}

/* Octave Buttons */
.octave-button-kbd {
    font-family: "Noto Sans", sans-serif;
    width: 20px;
    height: 20px;
    background: var(--control-bg);
    border: none;
    border-radius: 2px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    line-height: 1;
}

.octave-button-kbd.active:not(#polyModeToggle) {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.octave-button-kbd:hover {
    background: #3c3c45;
    transform: translateY(-1px);
}

.octave-button-kbd:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Pagination Buttons (shared for LFO and ENV) */
.lfo-page-btn, 
.env-page-btn {
    background: var(--control-bg);
    color: var(--text-secondary);
    border: none;
    border-radius: 2px;
    padding: 2px 6px;
    cursor: pointer;
    font-size: var(--text-2xs);
    font-weight: 500;
    font-family: "JetBrains Mono", "SF Mono", "Roboto Mono", Menlo, Monaco, "Courier New", monospace;
    transition: all 0.2s ease;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lfo-page-btn:hover, 
.env-page-btn:hover {
    background: #3c3c45;
    transform: translateY(-1px);
}

.lfo-page-btn.active, 
.env-page-btn.active {
    background: var(--text-secondary);
    color: #181820;
    font-weight: bold;
    box-shadow: 0 0 8px var(--text-secondary);
}

/* Aux Oscillator Toggles */
.aux-out-toggle,
.aux-toggle {
    background: var(--control-bg);
    color: var(--text-secondary);
    border: none;
    border-radius: 2px;
    padding: 2px 4px;
    cursor: pointer;
    font-size: 9px;
    font-weight: 500;
    line-height: 1;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0;
    height: 23px;
    width: 26px;
    flex-shrink: 0;
    position: relative;
    z-index: var(--z-dropdown);
    pointer-events: auto;
}

.aux-out-toggle:hover,
.aux-toggle:hover {
    transform: translateY(-1px);
}

.aux-out-toggle.active,
.aux-toggle.active {
    background: var(--text-secondary);
    color: #181820;
    font-weight: bold;
    box-shadow: 0 0 8px var(--text-secondary);
}

.aux-out-toggle.active:hover,
.aux-toggle.active:hover {
    background: var(--text-secondary);
    transform: translateY(-1px);
}

.aux-out-toggle::before,
.aux-out-toggle::after,
.aux-toggle::before,
.aux-toggle::after {
    display: none;
}

/* Waveform Buttons */
.wf-btn {
    width: 26px;
    height: 26px;
    padding: 0;
    border-radius: 2px;
    border: none;
    background: var(--control-bg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.wf-btn:hover {
    background: #3c3c45;
    transform: translateY(-1px);
}

.wf-btn.active {
    background: var(--text-secondary);
    color: #181820;
    font-weight: bold;
    box-shadow: 0 0 8px var(--text-secondary);
}

/* LFO Retrigger Toggle */
.lfo-retrigger-toggle {
    background: var(--control-bg);
    color: var(--text-secondary);
    border: none;
    border-radius: 2px;
    padding: 2px 6px;
    cursor: pointer;
    font-size: 9px;
    font-weight: 500;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0;
    height: 20px;
    width: auto;
    min-width: 24px;
}

.lfo-retrigger-toggle[data-enabled="true"] {
    background: var(--text-secondary);
    color: #181820;
    font-weight: bold;
    box-shadow: 0 0 8px var(--text-secondary);
}

.lfo-retrigger-toggle[data-enabled="true"]:hover {
    background: var(--text-secondary);
    transform: translateY(-1px);
}

.lfo-retrigger-toggle:hover {
    transform: translateY(-1px);
}

.lfo-retrigger-toggle::after {
    display: none;
}

/* Arpeggiator toggle */
#arpToggle {
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    background: var(--control-bg);
    border: none;
    color: var(--text-secondary);
    padding: 2px 6px;
    border-radius: 2px;
}

#arpToggle.active {
    background: var(--text-secondary);
    color: #181820;
    font-weight: bold;
    box-shadow: 0 0 8px var(--text-secondary);
}

/* Poly Mode Toggle Specific */
#polyModeToggle.mode-button {
    min-width: 24px;
    width: 24px;
    height: 20px;
    padding: 0;
    font-family: "VT323", "Press Start 2P", "Silkscreen", monospace;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    font-size: 10px;
    font-weight: bold;
}

/* Octave Buttons in Different Contexts */
#octaveButtons button {
    background: var(--control-bg);
    color: var(--text-secondary);
    border: none;
    border-radius: 2px;
    padding: 2px 4px;
    font-size: 0.7em;
}

#octaveButtons button:active {
    background: var(--text-secondary);
    color: var(--border-color);
}