body {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center;
    column-gap: 16px;
    padding: 0 16px;
    background: transparent;
    overflow: visible;
}

body::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 60px;
    background: linear-gradient(
        90deg,
        rgba(16, 22, 31, 0.96),
        rgba(19, 26, 36, 0.94) 55%,
        rgba(15, 20, 28, 0.96)
    );
    border-bottom: none;
    box-shadow: none;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    z-index: 0;
    pointer-events: none;
}

body > * {
    position: relative;
    z-index: 1;
}

.logo {
    color: var(--accent);
    font-size: 15px;
    font-weight: 650;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.header-main {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.title-block {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
    flex: 0 0 auto;
}

.title-kicker {
    color: rgba(218, 227, 236, 0.56);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.title-main {
    color: rgba(245, 248, 255, 0.92);
    font-size: 15px;
    font-weight: 600;
}

.operator-strip {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    flex: 1 1 auto;
}

.operator-strip.is-hidden,
.operator-controls.is-hidden {
    display: none;
}

.operator-info {
    display: flex;
    flex-direction: column;
    min-width: 88px;
    gap: 0;
}

.operator-label {
    color: rgba(218, 227, 236, 0.5);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.operator-info strong {
    color: rgba(245, 248, 255, 0.9);
    font-size: 12px;
    font-weight: 550;
}

.operator-controls {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.operator-select {
    min-width: 92px;
    max-width: 112px;
    padding: 5px 8px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(14, 20, 28, 0.96);
    color: var(--text);
    font-size: 11px;
}

.btn-operator {
    min-width: 84px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.mode-controls {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-self: end;
}

.mode-controls.is-hidden {
    display: none;
}

.controls {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-self: end;
}

.mode-text {
    color: rgba(233, 241, 248, 0.72);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.mode-switch {
    position: relative;
    width: 54px;
    height: 28px;
    display: inline-flex;
    align-items: center;
}

.mode-switch input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.mode-slider {
    position: relative;
    width: 54px;
    height: 28px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    background: rgba(22, 29, 39, 0.92);
    box-shadow: inset 0 1px 10px rgba(0, 0, 0, 0.22);
    transition:
        border-color 0.16s ease,
        background 0.16s ease;
}

.mode-slider::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(
        180deg,
        rgba(237, 244, 251, 0.98),
        rgba(189, 205, 221, 0.92)
    );
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.26);
    transition:
        transform 0.16s ease,
        background 0.16s ease;
}

.mode-switch input:checked + .mode-slider {
    border-color: rgba(91, 187, 255, 0.42);
    background: rgba(14, 37, 56, 0.95);
}

.mode-switch input:checked + .mode-slider::after {
    transform: translateX(26px);
    background: linear-gradient(
        180deg,
        rgba(131, 212, 255, 0.98),
        rgba(72, 170, 231, 0.94)
    );
}

.btn-close {
    min-width: 42px;
}

body[data-mode="operations"] {
    pointer-events: none;
}

body[data-mode="operations"] .logo,
body[data-mode="operations"] .title-block,
body[data-mode="operations"] .operator-strip,
body[data-mode="operations"] .operator-controls,
body[data-mode="operations"] .mode-controls,
body[data-mode="operations"] .controls,
body[data-mode="operations"] .mode-switch,
body[data-mode="operations"] .mode-switch *,
body[data-mode="operations"] button,
body[data-mode="operations"] select,
body[data-mode="operations"] label {
    pointer-events: auto;
}