/* ============================================================
   Lab · Gemeinsame Werkzeug-Styles für alle Tool-Seiten,
   auf Basis der globalen Design-Tokens aus ../styles.css
   ============================================================ */

.tool-main {
    max-width: 1080px;
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 3.5rem) 24px 4.5rem;
}

/* ---------- Kopf ---------- */

.tool-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.6rem 2rem;
    align-items: center;
    margin-bottom: 2rem;
}

.tool-head h1 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    margin: 0.3em 0 0;
}

.tool-desc {
    grid-column: 1 / -1;
    color: var(--ink-soft);
    max-width: none;
    margin: 0;
}

.mode-switch {
    display: flex;
    gap: 0.4rem;
    align-items: center;
    align-self: end;
    padding-bottom: 0.55rem;
}

.mode-label {
    margin-right: 0.3rem;
}

.mode-btn {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    background: none;
    border: 1px solid var(--line-strong);
    color: var(--grey);
    padding: 0.28rem 0.6rem;
    border-radius: 3px;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mode-btn:hover {
    color: var(--ink);
    border-color: var(--ink);
}

.mode-btn.active {
    color: var(--trace);
    border-color: var(--trace);
    background: var(--trace-soft);
}

/* ---------- Panels ---------- */

.tool-grid {
    display: grid;
    gap: 1.2rem;
}

.grid-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.panel {
    border: 1px solid var(--line);
    background: var(--panel);
    border-radius: var(--radius);
    min-width: 0;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.1rem;
    border-bottom: 1px solid var(--line);
}

.panel-head h2 {
    font-family: var(--font-body);
    font-size: 0.98rem;
    font-weight: 600;
    letter-spacing: 0;
    line-height: 1.4;
    margin: 0;
}

.panel-meta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--grey);
    letter-spacing: 0.06em;
    white-space: nowrap;
}

.panel-body {
    padding: 1.1rem;
}

/* ---------- Buttons & Text ---------- */

.btn-ghost {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    background: none;
    border: 1px solid var(--line-strong);
    color: var(--ink);
    border-radius: 5px;
    padding: 0.5rem 0.9rem;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.btn-ghost:hover:not(:disabled) {
    color: var(--trace);
    border-color: var(--trace);
}

.btn-primary:disabled,
.btn-ghost:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.hint {
    font-size: 0.85rem;
    color: var(--grey);
    max-width: none;
    margin: 0.8rem 0 0;
}

.why-text {
    font-size: 0.96rem;
    color: var(--ink-soft);
    max-width: none;
    margin: 0;
}

.toggle {
    display: flex;
    gap: 0.45rem;
    align-items: center;
    font-size: 0.8rem;
    color: var(--grey);
    cursor: pointer;
    user-select: none;
}

.toggle input {
    accent-color: var(--trace);
}

.list {
    padding-left: 1.2rem;
    display: grid;
    gap: 0.4rem;
    font-size: 0.95rem;
    color: var(--ink-soft);
}

.subtle {
    color: var(--grey);
    font-size: 0.88rem;
}

.panel-body .subtle {
    margin-top: 0.9rem;
    max-width: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
    .tool-head {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .grid-two {
        grid-template-columns: 1fr;
    }
}