/* EVERDA-V-Eingangstestat · Blueprint C/E-Erweiterung.
   Bestehende Design-Tokens, keine freien Komponentenfarben. */
.flash {
    max-width: 1180px;
}

.flash__intro {
    background: var(--gradient-card-subtle);
}

.flash .flash__eyebrow {
    margin: 0 0 var(--spacing-xs);
    color: var(--primary-color);
    font-size: var(--text-xs);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.flash__safety {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    border: var(--border-thin) solid var(--warning-500);
    border-left-width: var(--border-thick);
    border-radius: var(--radius-md);
    background: var(--warning-50);
}

.flash__source-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.flash__nav {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border: var(--border-thin) solid var(--surface-border-light);
    border-radius: var(--radius-lg);
    background: var(--neutrals-0);
    box-shadow: var(--shadow-sm);
}

.flash .flash__nav .module-nav-btn {
    min-height: 3.25rem;
    padding: var(--spacing-sm);
    line-height: 1.25;
    text-align: center;
}

.flash__principle-grid,
.flash__balance-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
    gap: var(--spacing-xl);
    align-items: center;
    margin: var(--spacing-lg) 0;
}

.flash__principle-grid > * {
    min-width: 0;
}

.flash__pressure-label {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-weight: 700;
}

.flash .flash__pressure-label output {
    color: var(--primary-color);
    font-family: var(--font-mono);
}

.flash__pressure-control {
    --flash-pressure-progress: 50%;
    position: relative;
    height: 30px;
    margin: var(--spacing-sm) 0;
}

.flash__pressure-track {
    position: absolute;
    z-index: 0;
    top: 50%;
    right: 11px;
    left: 11px;
    height: 8px;
    overflow: hidden;
    transform: translateY(-50%);
    border-radius: var(--radius-pill);
    background: var(--surface-border);
    pointer-events: none;
}

.flash__pressure-fill {
    display: block;
    width: var(--flash-pressure-progress);
    height: 100%;
    border-radius: inherit;
    background: var(--primary-color);
}

.flash .flash__pressure {
    -webkit-appearance: none;
    appearance: none;
    position: relative;
    z-index: 1;
    width: 100%;
    height: 30px;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.flash .flash__pressure::-webkit-slider-runnable-track {
    height: 8px;
    border: 0;
    border-radius: var(--radius-pill);
    background: transparent;
}

.flash .flash__pressure::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    position: static;
    top: auto;
    box-sizing: border-box;
    width: 22px;
    height: 22px;
    margin-top: 0;
    translate: 0 calc(4px - 50%);
    border: 3px solid var(--neutrals-0);
    border-radius: var(--radius-pill);
    background: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.flash .flash__pressure::-moz-range-track {
    height: 8px;
    border: 0;
    border-radius: var(--radius-pill);
    /* Die gemeinsame sichtbare Bahn liegt hinter dem nativen Input. */
    background: transparent;
}

.flash .flash__pressure::-moz-range-progress {
    height: 8px;
    border-radius: var(--radius-pill);
    background: transparent;
}

.flash .flash__pressure::-moz-range-thumb {
    box-sizing: border-box;
    width: 22px;
    height: 22px;
    border: 3px solid var(--neutrals-0);
    border-radius: var(--radius-pill);
    background: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.flash .flash__pressure:focus-visible {
    outline: 3px solid rgba(var(--primary-rgb), 0.3);
    outline-offset: 4px;
}

.flash__pressure-scale {
    display: flex;
    justify-content: space-between;
    margin: calc(var(--spacing-xs) * -1) 11px var(--spacing-sm);
    color: var(--textcolor-50contrast);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.flash__pressure-presets {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-xs);
}

.flash__pressure-presets button {
    min-height: 3.35rem;
    padding: var(--spacing-sm);
    border: var(--border-thin) solid var(--surface-border);
    border-radius: var(--radius-md);
    background: var(--surface-bg);
    color: var(--textcolor-80contrast);
    font-size: var(--text-xs);
    font-weight: 700;
    cursor: pointer;
}

.flash__pressure-presets button:hover,
.flash__pressure-presets button:focus-visible,
.flash__pressure-presets button.is-active {
    border-color: var(--primary-color);
    background: var(--primary-tint);
    color: var(--primary-color);
    outline: none;
}

.flash__pressure-presets button:focus-visible {
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.2);
}

.flash__pressure-presets small {
    display: block;
    margin-top: 0.15rem;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
}

/* Im Flash-Modul sollen Teil a/b usw. klar als eigenständige Aufgabenblöcke
   erkennbar sein, nicht nur als kleine Chips zwischen dem Fließtext. */
.flash .ue-part {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    border: var(--border-thin) solid var(--surface-border-light);
    border-left: var(--border-thick) solid var(--primary-color);
    border-radius: var(--radius-lg);
    background: var(--surface-bg);
}

.flash .ue-part:first-of-type {
    padding-top: var(--spacing-lg);
    border-top: var(--border-thin) solid var(--surface-border-light);
}

.flash .ue-part::before {
    padding: var(--spacing-xs) var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
    font-weight: 800;
}

.flash .flash__pressure-hint {
    min-height: 2.8em;
    color: var(--textcolor-50contrast);
    font-size: var(--text-sm);
}

.flash-stage {
    width: 100%;
    min-width: 0;
    overflow: hidden;
    padding: var(--spacing-md);
    border: var(--border-thin) solid var(--surface-border-light);
    border-radius: var(--radius-lg);
    background: var(--gradient-card-subtle);
    box-shadow: var(--shadow-md);
}

.flash-stage__head {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.flash-stage__metric {
    padding: var(--spacing-sm);
    border: var(--border-thin) solid var(--surface-border-light);
    border-radius: var(--radius-md);
    background: rgba(var(--neutrals-0-rgb), 0.82);
}

.flash-stage__metric span,
.flash-stage__metric strong {
    display: block;
}

.flash-stage__metric span {
    color: var(--textcolor-50contrast);
    font-size: var(--text-xs);
    font-weight: 700;
}

.flash-stage__metric strong {
    margin-top: 0.1rem;
    font-family: var(--font-mono);
    font-size: var(--text-lg);
}

.flash-stage__metric--vapour strong {
    color: rgb(var(--chart-orange-rgb));
}

.flash-stage__metric--liquid strong {
    color: rgb(var(--chart-teal-rgb));
}

.flash-stage svg {
    display: block;
    width: 100%;
    height: auto;
}

.flash-stage__pipe,
.flash-stage__column,
.flash-stage__base {
    fill: none;
    stroke: var(--textcolor-fullcontrast);
    stroke-width: 5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.flash-stage__base {
    stroke: var(--surface-border-light);
    stroke-width: 3;
}

.flash-stage__column {
    fill: rgba(var(--neutrals-0-rgb), 0.88);
    stroke: var(--primary-color);
    stroke-width: 4;
}

.flash-stage__valve {
    fill: var(--neutrals-0);
    stroke: var(--primary-color);
    stroke-width: 4;
}

.flash-stage__tag {
    fill: var(--primary-tint);
    stroke: rgba(var(--primary-rgb), 0.3);
    stroke-width: 1.5;
}

.flash-stage__tag-text {
    fill: var(--primary-color);
    font-family: var(--font-mono);
    font-size: 15px;
    font-weight: 900;
    text-anchor: middle;
}

.flash-stage__liquid {
    fill: rgba(var(--chart-teal-rgb), 0.38);
    transition: y var(--transition-base), height var(--transition-base);
}

.flash-stage__vapour-space {
    fill: rgba(var(--chart-orange-rgb), 0.08);
}

.flash-stage__surface {
    fill: none;
    stroke: rgb(var(--chart-teal-rgb));
    stroke-width: 4;
    transition: transform var(--transition-base);
}

.flash-stage__flow {
    fill: none;
    stroke-width: 3;
    stroke-dasharray: 10 8;
    transition: stroke-width var(--transition-base), opacity var(--transition-base);
    animation: flash-flow 1.55s linear infinite;
}

.flash-stage__flow--feed,
.flash-stage__flow--liquid {
    stroke: rgb(var(--chart-teal-rgb));
}

.flash-stage__flow--vapour {
    stroke: rgb(var(--chart-orange-rgb));
}

.flash #flashArrow path {
    fill: rgb(var(--chart-teal-rgb));
}

.flash #flashVapourArrow path {
    fill: rgb(var(--chart-orange-rgb));
}

.flash-stage__bubbles circle {
    fill: rgba(var(--chart-orange-rgb), 0.25);
    stroke: rgb(var(--chart-orange-rgb));
    stroke-width: 2;
    opacity: var(--flash-bubble-opacity, 1);
    transform-box: fill-box;
    transform-origin: center;
    transition: opacity var(--transition-base);
    animation: flash-bubble 2.35s linear infinite;
}

.flash-stage__bubbles circle:nth-child(2n) {
    animation-delay: -1.18s;
}

.flash-stage__bubbles circle:nth-child(3n) {
    animation-delay: -0.59s;
}

.flash-stage__labels {
    fill: var(--textcolor-fullcontrast);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 700;
}

.flash-stage__legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm) var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-xs);
    color: var(--textcolor-50contrast);
    font-size: var(--text-xs);
    font-weight: 700;
}

.flash-stage__legend span {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.flash-stage__swatch {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: var(--radius-circle);
}

.flash-stage__swatch--vapour {
    background: rgb(var(--chart-orange-rgb));
}

.flash-stage__swatch--liquid {
    background: rgb(var(--chart-teal-rgb));
}

.flash-stage__note {
    margin: var(--spacing-xs) 0 0;
    color: var(--textcolor-50contrast);
    font-size: var(--text-xs);
    text-align: center;
}

@keyframes flash-flow {
    to { stroke-dashoffset: -36; }
}

@keyframes flash-bubble {
    0% { opacity: 0; transform: translateY(2px) scale(0.94); }
    16%, 78% { opacity: var(--flash-bubble-opacity, 1); }
    100% { opacity: 0; transform: translateY(-3px) scale(1.04); }
}

.flash__balance-grid img {
    display: block;
    width: min(100%, 430px);
    max-height: 560px;
    margin-inline: auto;
    object-fit: contain;
    border: var(--border-thin) solid var(--surface-border-light);
    border-radius: var(--radius-md);
    background: var(--neutrals-0);
}

.flash__balance-clues {
    padding: var(--spacing-lg);
    border: var(--border-thin) solid var(--surface-border-light);
    border-left: var(--border-thick) solid var(--primary-color);
    border-radius: var(--radius-lg);
    background: var(--primary-tint);
}

.flash__balance-clues h3 {
    margin: 0 0 var(--spacing-sm);
    font-size: var(--text-lg);
}

.flash__balance-clues ol {
    margin: 0 0 var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.flash__balance-clues p {
    margin: 0;
}

.flash__logph,
.flash__scheme {
    display: block;
    width: 100%;
    height: auto;
    margin: var(--spacing-lg) 0;
    border: var(--border-thin) solid var(--surface-border-light);
    border-radius: var(--radius-lg);
    background: var(--neutrals-0);
    box-shadow: var(--shadow-md);
}

.flash-logph__scroll {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
}

.flash-logph__interactive {
    position: relative;
    margin: var(--spacing-lg) 0;
}

.flash-logph__interactive .flash__logph {
    margin: 0;
}

.flash .flash-logph__instructions {
    margin: 0 0 var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--primary-tint);
    color: var(--textcolor-80contrast);
}

.flash-logph__targets {
    position: absolute;
    inset: 0;
    display: block;
    pointer-events: none;
}

.flash-logph__target {
    position: absolute;
    min-width: 38px;
    min-height: 38px;
    width: 38px;
    height: 38px;
    padding: 0;
    transform: translate(-50%, -50%);
    border: 3px solid var(--primary-color);
    border-radius: var(--radius-pill);
    background: rgba(var(--neutrals-0-rgb), 0.72);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.14), var(--shadow-sm);
    pointer-events: auto;
}

.flash-logph__target:hover,
.flash-logph__target:focus-visible {
    border-color: var(--primary-color);
    background: var(--primary-tint);
    box-shadow: 0 0 0 6px rgba(var(--primary-rgb), 0.22), var(--shadow-md);
    outline: none;
}

.flash-logph__target.is-correct,
.flash-logph__target.is-correct:hover {
    border-color: var(--success-600);
    background: var(--success-50);
}

.flash-logph__target.is-wrong,
.flash-logph__target.is-wrong:hover {
    border-color: var(--error-600);
    background: var(--error-50);
}

.flash-logph__target.is-correct::before,
.flash-logph__target.is-wrong::before {
    display: block;
    font-size: var(--text-base);
    line-height: 1;
}

.flash-logph__target--zero { left: 28.9%; top: 32.1%; }
.flash-logph__target--liquid { left: 20.5%; top: 68.1%; }
.flash-logph__target--mixture { left: 28.9%; top: 68.1%; }
.flash-logph__target--vapour { left: 81.5%; top: 68.1%; }

.flash__formula {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    border: var(--border-thin) solid rgba(var(--primary-rgb), 0.24);
    border-radius: var(--radius-lg);
    background: var(--primary-tint);
    color: var(--textcolor-fullcontrast);
    font-size: var(--text-xl);
}

.flash__random-data {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.flash__random-data--wide {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.flash__random-data > div {
    display: grid;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    border: var(--border-thin) solid var(--surface-border-light);
    border-radius: var(--radius-md);
    background: var(--slate-50);
    text-align: center;
}

.flash .flash__random-data span {
    color: var(--textcolor-50contrast);
    font-size: var(--text-xs);
    font-weight: 700;
}

.flash__random-data strong {
    color: var(--primary-color);
    font-family: var(--font-mono);
}

.flash .flash__property-note {
    margin: calc(var(--spacing-sm) * -1) 0 var(--spacing-lg);
    color: var(--textcolor-50contrast);
    font-size: var(--text-sm);
}

.flash .ue-match__zones {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.flash-pid__task {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    align-items: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--primary-tint);
}

.flash .flash-pid__task strong {
    color: var(--primary-color);
}

.flash .flash-pid__task span {
    flex: 0 0 auto;
    color: var(--textcolor-50contrast);
    font-size: var(--text-sm);
    font-weight: 700;
}

.flash .flash-pid__feedback {
    min-height: 1.6em;
    color: var(--textcolor-50contrast);
}

.flash-pid__feedback.is-success {
    color: var(--success-600);
}

.flash-pid__feedback.is-error {
    color: var(--error-600);
}

.flash-pid__scroll {
    overflow-x: auto;
    border: var(--border-thin) solid var(--surface-border-light);
    border-radius: var(--radius-lg);
    background: var(--neutrals-0);
    box-shadow: var(--shadow-md);
    overscroll-behavior-inline: contain;
}

.flash-pid__canvas {
    position: relative;
    width: 100%;
    min-width: 920px;
}

.flash-pid__canvas img {
    display: block;
    width: 100%;
    height: auto;
}

.flash-pid__connectors {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.flash-pid__connectors line {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 2;
    stroke-linecap: round;
    marker-end: url(#flashPidCalloutArrow);
}

.flash-pid__connectors marker path {
    fill: var(--primary-color);
}

.flash-pid__target {
    position: absolute;
    min-width: 44px;
    min-height: 34px;
    padding: 0.3rem 0.45rem;
    transform: translate(-50%, -50%);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-pill);
    background: rgba(var(--neutrals-0-rgb), 0.94);
    box-shadow: var(--shadow-sm);
    color: var(--primary-color);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 900;
    cursor: pointer;
}

body.neutral0color-onbackground .flash .flash-pid__target {
    color: var(--primary-color);
}

.flash-pid__target:hover,
.flash-pid__target:focus-visible {
    box-shadow: 0 0 0 5px rgba(var(--primary-rgb), 0.22), var(--shadow-md);
    outline: none;
}

.flash-pid__target.is-confirmed {
    border-color: var(--success-600);
    background: var(--success-600);
    color: var(--neutrals-0);
}

body.neutral0color-onbackground .flash .flash-pid__target.is-confirmed {
    color: var(--neutrals-0);
}

.flash-pid__target.is-wrong {
    border-color: var(--error-600);
    animation: flash-target-shake 0.35s ease;
}

.flash-pid__target--v04 { left: 38.5%; top: 25.1%; }
.flash-pid__target--v06 { left: 68%; top: 9.5%; }
.flash-pid__target--v05 { left: 58.5%; top: 12.5%; }
.flash-pid__target--v17 { left: 19.5%; top: 75.3%; }
.flash-pid__target--w2 { left: 55.6%; top: 27.6%; }
.flash-pid__target--w1 { left: 18.5%; top: 56.5%; }
.flash-pid__target--tic03 { left: 28%; top: 22.5%; }
.flash-pid__target--p1 { left: 39.5%; top: 60.3%; }
.flash-pid__target--p3 { left: 55%; top: 33%; }
.flash-pid__target--b1 { left: 46%; top: 23.1%; }
.flash-pid__target--b4 { left: 73.4%; top: 56.5%; }

@keyframes flash-target-shake {
    25% { transform: translate(-55%, -50%); }
    75% { transform: translate(-45%, -50%); }
}

.flash__checklist-summary {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    border: var(--border-thin) solid var(--surface-border-light);
    border-radius: var(--radius-md);
    background: var(--slate-50);
}

.flash__checklist-summary summary {
    color: var(--primary-color);
    font-weight: 800;
    cursor: pointer;
}

.flash__checklist-summary p {
    margin: var(--spacing-sm) 0 0;
}

.flash-pid__question.is-locked {
    opacity: 0.62;
}

.flash__export-lock {
    padding: var(--spacing-sm) var(--spacing-md);
    border-left: var(--border-thick) solid var(--warning-500);
    background: var(--warning-50);
}

.flash__export-lock.is-unlocked {
    border-left-color: var(--success-600);
    background: var(--success-50);
}

@media (max-width: 991.98px) {
    .flash__nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .flash__principle-grid,
    .flash__balance-grid {
        grid-template-columns: 1fr;
    }

    .flash__random-data--wide {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 575.98px) {
    .flash__nav,
    .flash__random-data,
    .flash__random-data--wide,
    .flash .ue-match__zones {
        grid-template-columns: 1fr;
    }

    .flash__source-links,
    .flash-pid__task {
        align-items: flex-start;
        flex-direction: column;
    }

    .flash__formula {
        font-size: var(--text-md);
    }

    .flash-logph__interactive {
        min-width: 700px;
    }

    .flash-pid__canvas {
        min-width: 840px;
    }

    .flash__pressure-presets {
        grid-template-columns: 1fr;
    }

    .flash-stage__head {
        gap: var(--spacing-xs);
    }

    .flash-stage__metric {
        padding: var(--spacing-xs);
    }

    .flash-stage {
        padding: var(--spacing-sm);
    }

    .flash-stage__labels,
    .flash-stage__tag-text {
        font-size: 17px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .flash-stage__flow,
    .flash-stage__bubbles circle,
    .flash-pid__target.is-wrong {
        animation: none;
    }
}