/* --- Kontajner spektrogramu --- */
#tab-graph .tab-header-title {
    text-align: center;
}

#spectrogram-container {
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
    width: 100%;
    height: 100%;
    padding: 8px 12px 12px 12px;
    box-sizing: border-box;
    flex-direction: column;
}

@media (min-width: 1100px) {
    #tabs:not(.graph-sidebar-hidden) #spectrogram-container {
        padding: 0;
    }
}

/* Kontrolny panel nad spektrogramom */
#spectrogram-control-panel {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 16px;
    padding: 6px 10px;
    background: var(--spectrogram-controls-header-bg);
    border-bottom: 1px solid var(--spectrogram-controls-border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--spectrogram-controls-text);
    flex-shrink: 0;
}

.spectrogram-control-row {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
}

/* Obal okolo platna a osi */
#spectrogram-wrapper {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    min-height: 0;
    border-radius: 8px;
    overflow: hidden;
    background: var(--spectrogram-bg);
    box-shadow: var(--spectrogram-shadow);
}

#tab-graph {
    padding: 0;
}

/* Platno spektrogramu */
#spectrogram-canvas {
    flex: 1 1 auto;
    min-height: 0;
    width: 100%;
    display: block;
    cursor: pointer;
    image-rendering: pixelated;
    /* zachova diskretne ciary */
    background: var(--spectrogram-bg);
}

#spectrogram-canvas.paused {
    opacity: 0.55;
}

/* Frekvencna os pod platnom */
#spectrogram-axis {
    flex: 0 0 22px;
    width: 100%;
    height: 22px;
    display: block;
    background: var(--spectrogram-bg);
    border-top: 1px solid var(--spectrogram-axis-border);
    font-family: monospace;
    font-size: 12px;
    color: var(--spectrogram-axis-text);
}

/* Panel ovladania */
.spectrogram-controls {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--spectrogram-controls-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--spectrogram-controls-border);
    border-radius: 10px;
    padding: 0;
    width: 280px;
    font-family: monospace;
    font-size: 13px;
    color: var(--spectrogram-controls-text);
    box-shadow: var(--spectrogram-controls-shadow);
    z-index: 1000;
    transition: opacity 0.2s;
}

.spectrogram-controls.hidden {
    display: none;
}

.controls-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--spectrogram-controls-header-bg);
    border-bottom: 1px solid var(--spectrogram-controls-header-border);
    border-radius: 10px 10px 0 0;
    font-weight: bold;
    cursor: move;
}

.controls-header button {
    background: none;
    border: none;
    color: var(--spectrogram-controls-text);
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
    border-radius: 4px;
}

.controls-header button:hover {
    background: var(--spectrogram-controls-close-hover-bg);
    color: var(--spectrogram-controls-close-hover-text);
}

.controls-content {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.control-group label {
    font-size: 12px;
    color: var(--spectrogram-controls-label);
}

.control-group input[type="range"] {
    width: 100%;
    background: var(--spectrogram-controls-slider-bg);
    height: 4px;
    border-radius: 2px;
    -webkit-appearance: none;
}

.control-group input[type="range"]:focus {
    outline: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--spectrogram-controls-slider-thumb);
    cursor: pointer;
}

.control-group span {
    font-size: 11px;
    text-align: right;
    color: var(--spectrogram-controls-value);
}

.control-group button {
    background: var(--spectrogram-controls-btn-bg);
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    color: white;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.2s;
}

.control-group button:hover {
    background: var(--spectrogram-controls-btn-hover-bg);
}

/* Bublina s hintom */
.spectrogram-tooltip {
    position: fixed;
    background: var(--spectrogram-tooltip-bg);
    color: var(--spectrogram-tooltip-text);
    font-family: monospace;
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 6px;
    pointer-events: none;
    z-index: 2000;
    white-space: nowrap;
    border: 1px solid var(--spectrogram-tooltip-border);
    display: none;
}