/**
 * Effect Workspace Controls
 * Button and input control styles
 */

/* Buttons */
.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.03em;
    border: none;
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.action-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, transparent 50%);
    pointer-events: none;
}

.action-btn:hover {
    background-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
}

.action-btn:active {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(0);
}

.action-btn.primary {
    background: linear-gradient(180deg, var(--color-accent) 0%, #00b8d9 100%);
    color: #000;
    font-weight: 600;
    text-shadow: 0 1px 0 rgba(255,255,255,0.2);
}

.action-btn.primary:hover {
    background: linear-gradient(180deg, var(--color-accent-hover) 0%, var(--color-accent) 100%);
    box-shadow: var(--color-accent-glow);
}

.action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.action-btn.small {
    padding: 6px 10px;
    font-size: 11px;
}

.action-btn.small .icon-material {
    font-size: 16px;
}

/* Control Button (icon buttons) */
.control-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.control-btn:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: var(--color-accent);
}

.control-btn.active {
    background-color: var(--color-accent-muted);
    color: var(--color-accent);
    box-shadow: 0 0 12px var(--color-accent-muted);
}

.control-btn .icon {
    font-size: 20px;
}

/* Number Input */
input[type="number"] {
    width: 60px;
    padding: 6px 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    background-color: rgba(0, 0, 0, 0.3);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    text-align: center;
    appearance: textfield;
    -moz-appearance: textfield;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"]:focus {
    outline: none;
    background-color: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 0 1px var(--color-accent-muted);
}

/* Duration Control */
.duration-control {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-text-secondary);
}

.duration-control label {
    font-family: var(--font-body);
    letter-spacing: 0.02em;
}

/* FPS Display */
.fps-display {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-text-muted);
    font-variant-numeric: tabular-nums;
    padding: 4px 8px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
}

/* Noisedeck Button */
.noisedeck-btn {
    background: linear-gradient(180deg, #3a3a3a 0%, #2a2a2a 100%);
    border: none;
}

.noisedeck-btn:hover {
    background: linear-gradient(180deg, #4a4a4a 0%, #3a3a3a 100%);
}

.noisedeck-logo {
    flex-shrink: 0;
}

/* Backend Switch (WebGL2/WebGPU toggle) */
.backend-switch {
    display: flex;
}

.backend-switch.hidden {
    display: none;
}

.backend-switch:not(.hidden) {
    align-items: center;
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: var(--radius-sm);
    padding: 2px;
    gap: 2px;
}

.backend-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    border: none;
    border-radius: calc(var(--radius-sm) - 2px);
    background: transparent;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.backend-btn:hover {
    color: var(--color-text-secondary);
    background: rgba(255, 255, 255, 0.05);
}

.backend-btn.active {
    background: linear-gradient(180deg, rgba(0, 230, 255, 0.25) 0%, rgba(0, 180, 200, 0.25) 100%);
    color: var(--color-accent);
    box-shadow: 0 0 8px rgba(0, 230, 255, 0.2);
}

.backend-btn.active .backend-label {
    text-shadow: 0 0 6px var(--color-accent);
}

.backend-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.backend-btn.webgpu-unavailable {
    opacity: 0.5;
    cursor: not-allowed;
}