.calc-container {
    padding: 40px 5%;
    min-height: calc(100vh - 80px);
}

.calc-header { text-align: center; margin-bottom: 32px; }

.calc-summary {
    max-width: 760px;
    margin: 16px auto;
    color: var(--text-main);
    font-size: 1.08rem;
    line-height: 1.65;
}

.scope-note {
    max-width: 820px;
    margin: 0 auto;
    padding: 14px 16px;
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 10px;
    color: var(--text-muted);
    text-align: left;
}

.calc-grid {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.4fr);
    gap: 28px;
    align-items: stretch;
}

.calc-panel {
    background: var(--bg-surface-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
}

.calc-panel h2 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-family: var(--font-mono);
}

select,
input[type="number"] {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 1rem;
    outline: none;
}

select:focus,
input[type="number"]:focus { border-color: var(--brand-cyan); }

.disclaimer { margin-top: 28px; font-size: 0.82rem; color: var(--text-muted); }
.results-panel { display: flex; flex-direction: column; }

.result-highlight {
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid var(--brand-cyan);
    border-radius: 12px;
    padding: 26px;
    text-align: center;
    margin-bottom: 22px;
}

.result-label {
    font-family: var(--font-mono);
    color: var(--brand-cyan);
    font-size: 0.85rem;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 10px;
}

.result-value {
    font-size: clamp(2.3rem, 6vw, 3.5rem);
    font-weight: 700;
    color: #fff;
    line-height: 1;
}

.aggregate-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 26px;
}

.aggregate-results div {
    padding: 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.aggregate-results span,
.aggregate-results strong { display: block; }
.aggregate-results span { color: var(--text-muted); font-size: 0.84rem; margin-bottom: 6px; }
.aggregate-results strong { font-size: 1.2rem; }

.capacity-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 14px;
}

.capacity-card {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    padding: 18px 12px;
    border-radius: 12px;
    text-align: center;
}

.cap-title { color: var(--text-muted); font-family: var(--font-mono); font-size: 0.85rem; margin-bottom: 8px; }
.cap-value { font-size: 1.5rem; font-weight: 700; color: #fff; margin-bottom: 5px; }
.cap-sub { font-size: 0.72rem; color: var(--text-muted); }
.capacity-warning { color: #ff8080; }

@media (max-width: 900px) {
    .calc-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .calc-container { padding: 20px 12px 40px; }
    .calc-header { margin-bottom: 22px; }
    .calc-panel { padding: 18px; }
    .aggregate-results { grid-template-columns: 1fr; }
    .capacity-cards { grid-template-columns: 1fr; }
    .result-highlight { padding: 22px 12px; }
}