/* Styl pre vyber frekvencneho pasma. */

#tab-config .freq-picker-wrap {
    --freq-accent-bg: var(--config-btn-secondary-bg, #6f9e9a);
    --freq-accent-hover-bg: var(--config-btn-secondary-hover-bg, #80aaa6);
    --freq-accent-fg: var(--config-btn-secondary-fg, #0f2826);
    --freq-accent-border: var(--config-btn-secondary-border, #628f8b);
    --freq-accent-hover-border: var(--config-btn-secondary-hover-border, #719c98);
    --freq-control-bg: var(--config-input-bg, #fff);
    --freq-control-border: var(--config-border, #ddd);
    --freq-muted-text: #8a94a6;
    --freq-tag-bg: rgba(111, 158, 154, 0.14);
    --freq-tag-fg: var(--freq-accent-bg);
    --freq-track-bg: rgba(111, 158, 154, 0.18);
    --freq-accent-line-soft: rgba(111, 158, 154, 0.30);
    --freq-accent-shadow: rgba(111, 158, 154, 0.35);
    --freq-accent-shadow-strong: rgba(111, 158, 154, 0.45);
    --freq-accent-ring: rgba(111, 158, 154, 0.18);
    --freq-accent-ring-strong: rgba(111, 158, 154, 0.14);
    --freq-hlabel-border: rgba(111, 158, 154, 0.30);
    --freq-label-surface: rgba(255, 255, 255, 0.98);
    --freq-label-surface-dark: rgba(18, 22, 34, 0.98);
    --freq-label-text: #243447;
    --freq-tag-min-bg: #5d8fd6;
    --freq-tag-max-bg: #3f6fb3;
    --freq-tag-text: #ffffff;
}

:root.dark-scheme #tab-config .freq-picker-wrap {
    --freq-muted-text: #9ca3af;
    --freq-tag-bg: rgba(70, 127, 121, 0.24);
    --freq-track-bg: rgba(70, 127, 121, 0.22);
    --freq-accent-line-soft: rgba(70, 127, 121, 0.34);
    --freq-accent-shadow: rgba(70, 127, 121, 0.40);
    --freq-accent-shadow-strong: rgba(70, 127, 121, 0.50);
    --freq-accent-ring: rgba(70, 127, 121, 0.24);
    --freq-accent-ring-strong: rgba(70, 127, 121, 0.18);
    --freq-hlabel-border: rgba(70, 127, 121, 0.38);
    --freq-label-text: #e5edf8;
    --freq-tag-min-bg: #7fa8e3;
    --freq-tag-max-bg: #5d8fd6;
}

/* Obal */
.freq-picker-wrap {
    margin: 4px 0 8px;
}

/* Horny riadok: nazov a sirka pasma */
.freq-picker-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 10px;
}
.freq-picker-field-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--msger-header-colour, #374151);
    opacity: 0.85;
}

.freq-picker-bw {
    font-size: 12px;
    color: var(--freq-muted-text);
    font-variant-numeric: tabular-nums;
}
.freq-picker-bw strong { color: var(--freq-accent-bg); font-weight: 600; }

/* Track */
.freq-picker-track {
    position: relative;
    height: 6px;
    border-radius: 999px;
    background: var(--freq-track-bg);
    /* Vyssi horny margin pre bubliny popisov. */
    margin: 42px 0 8px;
    cursor: crosshair;
    user-select: none;
}
.freq-picker-track--readonly { cursor: default; }

/* Mriezka binov */
.freq-picker-bin-grid {
    position: absolute;
    inset: -6px 0;
    pointer-events: none;
    overflow: hidden;
    border-radius: 999px;
}
.freq-bin-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--freq-accent-line-soft);
    transform: translateX(-50%);
}

/* Vybrane pasmo */
.freq-picker-band {
    position: absolute;
    top: 0;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--freq-accent-bg), var(--freq-accent-hover-bg));
    opacity: 0.75;
    pointer-events: none;
    transition: left 0.04s, width 0.04s;
}

.freq-picker-channel-bins {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.freq-channel-bin {
    position: absolute;
    top: 0;
    bottom: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.08);
}

.freq-channel-bin--alt {
    background: rgba(0, 0, 0, 0.08);
}

.freq-channel-bin-label {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    line-height: 1;
    font-weight: 700;
    color: var(--freq-label-text);
    opacity: 0.72;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.45);
}

:root.dark-scheme .freq-channel-bin {
    border-right-color: rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.06);
}

:root.dark-scheme .freq-channel-bin--alt {
    background: rgba(0, 0, 0, 0.18);
}

:root.dark-scheme .freq-channel-bin-label {
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.6);
}
.freq-picker-track--readonly .freq-picker-band {
    background: linear-gradient(90deg, #86919f, #9ba3ad);
    opacity: 0.4;
}

/* Uchyty */
.freq-picker-handle {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    cursor: ew-resize;
    z-index: 2;
    background: #fff;
    border: 2px solid var(--freq-accent-bg);
    border-radius: 50%;
    box-shadow: 0 1px 4px var(--freq-accent-shadow);
    transition: box-shadow 0.15s, border-color 0.15s, transform 0.10s;
    touch-action: none;
}
.freq-picker-handle--front {
    z-index: 4;
}
.dark-scheme .freq-picker-handle {
    background: #1e2432;
    border-color: var(--freq-accent-hover-bg);
    box-shadow: 0 1px 6px var(--freq-accent-shadow);
}

.freq-picker-handle:hover,
.freq-picker-handle:focus-visible {
    box-shadow: 0 1px 4px var(--freq-accent-shadow), 0 0 0 5px var(--freq-accent-ring);
    border-color: var(--freq-accent-hover-bg);
    transform: translate(-50%, -50%) scale(1.18);
    outline: none;
}
.freq-picker-handle:active {
    transform: translate(-50%, -50%) scale(1.22);
    cursor: grabbing;
    box-shadow: 0 2px 8px var(--freq-accent-shadow-strong), 0 0 0 5px var(--freq-accent-ring-strong);
}

.freq-picker-handle--readonly {
    cursor: default;
    border-color: #9ca3af;
    pointer-events: none;
    box-shadow: none;
}

/* Vnutorna bodka */
.freq-picker-handle-pip {
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    background: var(--freq-accent-bg);
    opacity: 0.45;
    transition: opacity 0.15s;
}
.freq-picker-handle:hover .freq-picker-handle-pip,
.freq-picker-handle:active .freq-picker-handle-pip { opacity: 0.9; }
.freq-picker-handle--readonly .freq-picker-handle-pip { background: #9ca3af; }

/* Bubliny popisov nad trackom */
.freq-picker-handle-label {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    pointer-events: none;
    transition: transform 0.08s;

    display: inline-flex;
    align-items: center;
    gap: 4px;

    background: var(--freq-label-surface);
    border: 1px solid var(--freq-hlabel-border);
    border-radius: 6px;
    padding: 4px 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.10);
    z-index: 1;
}
.dark-scheme .freq-picker-handle-label {
    background: var(--freq-label-surface-dark);
    border-color: var(--freq-hlabel-border);
    box-shadow: 0 2px 10px rgba(0,0,0,0.30);
}

/* Farebny MIN/MAX tag v bubline */
.freq-hlabel-tag {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding: 1px 5px;
    border-radius: 3px;
    text-transform: uppercase;
}
.freq-hlabel-tag--min {
    background: var(--freq-tag-min-bg);
    color: var(--freq-tag-text);
}
.freq-hlabel-tag--max {
    background: var(--freq-tag-max-bg);
    color: var(--freq-tag-text);
}

.freq-hlabel-val {
    font-size: 11px;
    font-weight: 600;
    color: var(--freq-label-text);
    font-variant-numeric: tabular-nums;
}

/* Osa */
.freq-picker-axis {
    position: relative;
    height: 24px;
    margin-top: 2px;
}
.freq-axis-tick {
    position: absolute;
    top: 0;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
}
.freq-axis-tick:first-child { transform: translateX(0); }
.freq-axis-tick:last-child  { transform: translateX(-100%); }

.freq-axis-mark {
    width: 1px;
    height: 5px;
    background: rgba(0,0,0,0.14);
    border-radius: 1px;
}
.dark-scheme .freq-axis-mark { background: rgba(255,255,255,0.14); }

.freq-axis-label {
    font-size: 9.5px;
    color: var(--freq-muted-text);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

/* Riadok vstupov */
.freq-picker-inputs {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.freq-picker-input-grp {
    display: flex;
    align-items: center;
    gap: 5px;
    flex: 1;
    min-width: 120px;
}

.freq-picker-input-grp input[type="number"] {
    flex: 1;
    min-width: 0;
    padding: 5px 8px;
    border-radius: 6px;
    border: 1px solid var(--freq-control-border);
    background: var(--freq-control-bg);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    color: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.freq-picker-input-grp input[type="number"]:focus {
    outline: none;
    border-color: var(--freq-accent-bg);
    box-shadow: 0 0 0 3px var(--freq-accent-ring);
}

.freq-picker-unit {
    font-size: 11px;
    color: var(--freq-muted-text);
    font-weight: 500;
    white-space: nowrap;
}

/* Farebne MIN/MAX tagy pri vstupoch */
.freq-input-tag {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding: 2px 6px;
    border-radius: 3px;
    text-transform: uppercase;
}
.freq-input-tag--min {
    background: var(--freq-tag-min-bg);
    color: var(--freq-tag-text);
}
.freq-input-tag--max {
    background: var(--freq-tag-max-bg);
    color: var(--freq-tag-text);
}

/* Tlacidlo merania */
.freq-picker-actions .freq-picker-measure-btn,
.freq-picker-actions .freq-picker-best-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 220px;
    height: 36px;
    padding: 0 12px;
    border-radius: 8px;
    border: 1px solid var(--freq-accent-border);
    background: var(--freq-accent-bg);
    color: var(--freq-accent-fg);
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    flex-shrink: 0;
    gap: 6px;
}
.freq-picker-actions .freq-picker-measure-btn:hover:not(:disabled),
.freq-picker-actions .freq-picker-best-btn:hover:not(:disabled) {
    background: var(--freq-accent-hover-bg);
    border-color: var(--freq-accent-hover-border);
}

.freq-picker-actions .freq-picker-measure-btn:disabled,
.freq-picker-actions .freq-picker-best-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

.freq-measure-icon-dish {
    font-size: 13px;
    color: inherit;
}

.freq-best-icon {
    font-size: 12px;
    color: inherit;
}

.freq-picker-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 12px;
}

.freq-picker-btn-text {
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
    letter-spacing: inherit;
    color: inherit;
}
.freq-measure-btn--scanning {
    border-color: var(--freq-accent-hover-border) !important;
    background: var(--freq-accent-hover-bg) !important;
    pointer-events: none;
}
.freq-measure-btn--scanning .freq-measure-icon-dish {
    color: #ffffff;
}

/* Responzivne pre male displeje */
@media (max-width: 420px) {
    .freq-picker-inputs {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }
    .freq-picker-input-grp {
        justify-content: space-between;
    }
    .freq-picker-actions {
        justify-content: stretch;
        flex-direction: column;
        align-items: stretch;
    }
    .freq-picker-measure-btn,
    .freq-picker-best-btn {
        width: 100%;
    }
}

/* Canvas utlmu */
.freq-picker-att-wrap {
    margin: 2px 0 0;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.06);
    background: transparent;
}
.dark-scheme .freq-picker-att-wrap {
    border-color: rgba(255, 255, 255, 0.06);
}
.freq-picker-att-canvas {
    display: block;
    width: 100%;
}

.freq-picker-best-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* Okno merania */

.spect-measure-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(3px);
}

.spect-measure-modal {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    width: min(520px, 94vw);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
@media (min-width: 680px) {
    .spect-measure-modal { width: min(900px, 92vw); }
    .spect-measure-canvas { height: clamp(240px, 44vh, 420px); }
}
.dark-scheme .spect-measure-modal {
    background: #1e2432;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}

/* Hlavicka */
.spect-measure-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px 12px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.dark-scheme .spect-measure-header { border-bottom-color: rgba(255, 255, 255, 0.08); }

.spect-measure-title {
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    display: flex;
    align-items: center;
    gap: 8px;
}
.spect-measure-title i { color: #3b82f6; font-size: 14px; }
.dark-scheme .spect-measure-title { color: #d1d5db; }

.spect-measure-close {
    background: none;
    border: none;
    cursor: pointer;
    color: #9ca3af;
    padding: 4px 6px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1;
    transition: color 0.15s, background 0.15s;
}
.spect-measure-close:hover { color: #374151; background: rgba(0, 0, 0, 0.06); }
.dark-scheme .spect-measure-close:hover { color: #d1d5db; background: rgba(255, 255, 255, 0.08); }

/* Telo */
.spect-measure-body {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.spect-measure-canvas {
    display: block;
    width: 100%;
    height: 180px;
    border-radius: 8px;
    background: #f9fafb;
}
.dark-scheme .spect-measure-canvas { background: #1a1f2e; }

.spect-measure-status-row {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.spect-measure-status-text {
    font-size: 11px;
    color: #6b7280;
    min-height: 16px;
    font-variant-numeric: tabular-nums;
}
.dark-scheme .spect-measure-status-text { color: #9ca3af; }

.spect-measure-progress-bar {
    height: 4px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.08);
    overflow: hidden;
}
.dark-scheme .spect-measure-progress-bar { background: rgba(255, 255, 255, 0.10); }

.spect-measure-progress-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    transition: width 0.3s ease;
}

/* Paticka */
.spect-measure-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 10px 16px 14px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}
.dark-scheme .spect-measure-footer { border-top-color: rgba(255, 255, 255, 0.06); }

.spect-measure-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 8px;
    border: 1.5px solid transparent;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}
.spect-measure-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.spect-measure-btn--stop {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.35);
    color: #2563eb;
}
.spect-measure-btn--stop:not(:disabled):hover {
    background: rgba(59, 130, 246, 0.14);
    border-color: rgba(59, 130, 246, 0.60);
}
.dark-scheme .spect-measure-btn--stop { color: #60a5fa; background: rgba(96, 165, 250, 0.08); border-color: rgba(96, 165, 250, 0.25); }

.spect-measure-btn--done {
    background: rgba(22, 163, 74, 0.10);
    border-color: rgba(22, 163, 74, 0.40);
    color: #16a34a;
}
.spect-measure-btn--done:not(:disabled):hover {
    background: rgba(22, 163, 74, 0.18);
    border-color: rgba(22, 163, 74, 0.65);
}
.dark-scheme .spect-measure-btn--done { color: #4ade80; background: rgba(74, 222, 128, 0.08); border-color: rgba(74, 222, 128, 0.25); }

.spect-measure-btn--cancel {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.10);
    color: #6b7280;
}
.spect-measure-btn--cancel:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.18);
    color: #374151;
}
.dark-scheme .spect-measure-btn--cancel {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.10);
    color: #9ca3af;
}
.dark-scheme .spect-measure-btn--cancel:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #d1d5db;
}

.spect-measure-btn--pause {
    background: rgba(107, 114, 128, 0.06);
    border-color: rgba(107, 114, 128, 0.28);
    color: #6b7280;
}
.spect-measure-btn--pause:not(:disabled):hover {
    background: rgba(107, 114, 128, 0.12);
    border-color: rgba(107, 114, 128, 0.50);
    color: #374151;
}
.dark-scheme .spect-measure-btn--pause { color: #9ca3af; background: rgba(156, 163, 175, 0.06); border-color: rgba(156, 163, 175, 0.20); }
.dark-scheme .spect-measure-btn--pause:not(:disabled):hover { color: #d1d5db; }

.spect-measure-btn--resume {
    background: rgba(22, 163, 74, 0.08);
    border-color: rgba(22, 163, 74, 0.38);
    color: #16a34a;
}
.spect-measure-btn--resume:not(:disabled):hover {
    background: rgba(22, 163, 74, 0.15);
    border-color: rgba(22, 163, 74, 0.60);
}
.dark-scheme .spect-measure-btn--resume { color: #4ade80; background: rgba(74, 222, 128, 0.07); border-color: rgba(74, 222, 128, 0.22); }

.spect-measure-btn--merge {
    background: rgba(124, 58, 237, 0.07);
    border-color: rgba(124, 58, 237, 0.30);
    color: #7c3aed;
}
.spect-measure-btn--merge:hover {
    background: rgba(124, 58, 237, 0.14);
    border-color: rgba(124, 58, 237, 0.55);
}
.dark-scheme .spect-measure-btn--merge { color: #a78bfa; background: rgba(167, 139, 250, 0.08); border-color: rgba(167, 139, 250, 0.22); }
.dark-scheme .spect-measure-btn--merge:hover { background: rgba(167, 139, 250, 0.15); }

.spect-measure-btn--start {
    background: rgba(22, 163, 74, 0.10);
    border-color: rgba(22, 163, 74, 0.40);
    color: #16a34a;
}
.spect-measure-btn--start:hover {
    background: rgba(22, 163, 74, 0.18);
    border-color: rgba(22, 163, 74, 0.65);
}
.dark-scheme .spect-measure-btn--start {
    color: #4ade80;
    background: rgba(74, 222, 128, 0.08);
    border-color: rgba(74, 222, 128, 0.25);
}
.dark-scheme .spect-measure-btn--start:hover { background: rgba(74, 222, 128, 0.15); }

/* Konfiguracny panel merania */
.spect-measure-config {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.07);
    margin-bottom: 2px;
}
.dark-scheme .spect-measure-config {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.07);
}

.spect-cfg-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.spect-cfg-label {
    font-size: 11px;
    font-weight: 600;
    color: #6b7280;
    min-width: 100px;
    flex-shrink: 0;
}
.dark-scheme .spect-cfg-label { color: #9ca3af; }

.spect-cfg-input {
    width: 78px;
    padding: 3px 6px;
    border-radius: 5px;
    border: 1px solid rgba(0, 0, 0, 0.14);
    font-size: 11px;
    background: #fff;
    color: #374151;
    font-family: 'JetBrains Mono', monospace;
}
.dark-scheme .spect-cfg-input {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    color: #d1d5db;
    color-scheme: dark;
}
.spect-cfg-input:disabled,
.spect-cfg-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.spect-cfg-sep,
.spect-cfg-unit {
    font-size: 11px;
    color: #9ca3af;
    flex-shrink: 0;
}

.spect-cfg-select {
    padding: 3px 6px;
    border-radius: 5px;
    border: 1px solid rgba(0, 0, 0, 0.14);
    font-size: 11px;
    background: #fff;
    color: #374151;
    cursor: pointer;
}
.dark-scheme .spect-cfg-select {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    color: #d1d5db;
    color-scheme: dark;
}