.airspace-compare {
    max-width: 1400px;
    margin: 20px auto 48px;
    padding: 0 16px;
    color: #0f172a;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
}

.airspace-compare__hero {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 16px;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: #e2e8f0;
    padding: 22px 24px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.28);
    align-items: center;
}

.airspace-compare__title {
    margin: 4px 0 8px;
    font-size: 24px;
}

.airspace-compare__lead {
    margin: 0;
    line-height: 1.5;
    color: #cbd5e1;
}

.airspace-compare__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 12px;
    margin: 0;
    color: #a5b4fc;
}

.airspace-compare__form {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto;
    gap: 10px;
    align-items: end;
}

.airspace-compare__field label {
    display: block;
    font-size: 12px;
    letter-spacing: 0.02em;
    margin-bottom: 4px;
    color: #cbd5e1;
}

.airspace-compare__field select {
    width: 100%;
    height: 44px;
    border-radius: 10px;
    border: 1px solid #334155;
    background: #0b1526;
    color: #e2e8f0;
    padding: 0 10px;
    font-size: 14px;
}

.airspace-compare__swap {
    align-self: center;
    justify-self: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid #334155;
    background: #111827;
    color: #cbd5e1;
    cursor: pointer;
    font-size: 16px;
    transition: transform 0.1s ease, background 0.2s ease;
}

.airspace-compare__swap:hover {
    background: #0b1526;
    transform: translateY(-1px);
}

.airspace-compare__submit {
    height: 44px;
    padding: 0 16px;
    border-radius: 12px;
    border: none;
    background: #22c55e;
    color: #0f172a;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.airspace-compare__submit:hover {
    box-shadow: 0 10px 20px rgba(34, 197, 94, 0.2);
    transform: translateY(-1px);
}

.airspace-compare__grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 16px;
    margin-top: 18px;
}

.airspace-compare__map-card,
.airspace-compare__changes-card {
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.1);
    padding: 14px;
}

.airspace-compare__map {
    width: 100%;
    height: 540px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

.airspace-compare__legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 8px;
    margin-bottom: 10px;
}

.airspace-compare__toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}

.airspace-compare__toolbar-item {
    display: flex;
    gap: 6px;
    align-items: center;
    font-size: 13px;
    color: #0f172a;
}

.airspace-compare__toolbar select {
    height: 34px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    padding: 0 10px;
    background: #fff;
}

.airspace-compare__toolbar-item--inline input {
    margin: 0;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #334155;
}

.legend-swatch {
    width: 14px;
    height: 14px;
    border-radius: 4px;
    border: 1px solid #cbd5e1;
    display: inline-block;
}

.legend-swatch--added { background: rgba(34, 197, 94, 0.15); border-color: #22c55e; }
.legend-swatch--removed { background: rgba(239, 68, 68, 0.15); border-color: #ef4444; }
.legend-swatch--changed-new { background: rgba(59, 130, 246, 0.16); border-color: #3b82f6; }
.legend-swatch--changed-old { background: rgba(234, 179, 8, 0.18); border-color: #f59e0b; }

.airspace-compare__status {
    margin-top: 10px;
    font-size: 13px;
    color: #475569;
}
.airspace-compare__status[data-tone="error"] { color: #b91c1c; font-weight: 600; }
.airspace-compare__status[data-tone="loading"] { color: #0f172a; }
.airspace-compare__status[data-tone="ok"] { color: #15803d; }

.airspace-compare__changes-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.airspace-compare__changes-title {
    margin: 4px 0 0;
}

.airspace-compare__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.airspace-compare__chip {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid;
}

.airspace-compare__chip--added { background: rgba(34, 197, 94, 0.12); color: #15803d; border-color: #bbf7d0; }
.airspace-compare__chip--removed { background: rgba(239, 68, 68, 0.12); color: #b91c1c; border-color: #fecdd3; }
.airspace-compare__chip--changed { background: rgba(59, 130, 246, 0.12); color: #1d4ed8; border-color: #bfdbfe; }

.airspace-compare__changes {
    display: grid;
    gap: 10px;
    max-height: 540px;
    overflow: auto;
    padding-right: 4px;
}

.change-card {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 10px 12px;
    background: #f8fafc;
}

.change-card__header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.change-badge {
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.change-card__toggle {
    margin-left: auto;
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    background: #fff;
    font-size: 12px;
    cursor: pointer;
}

.change-card__title {
    font-weight: 700;
    margin: 0;
}

.change-card__meta {
    font-size: 12px;
    color: #475569;
    margin-bottom: 6px;
}

.change-card__diffs {
    font-size: 13px;
    color: #0f172a;
}

.change-card__diffs.is-collapsed {
    display: none;
}

.change-compare {
    width: 100%;
    border-collapse: collapse;
    margin-top: 6px;
}

.change-compare__head {
    text-align: left;
    font-size: 12px;
    color: #475569;
    padding: 6px 8px;
    border-bottom: 1px solid #e2e8f0;
}

.change-compare__cell {
    padding: 6px 8px;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: top;
}

.change-compare__cell--label {
    font-weight: 600;
    color: #334155;
    width: 35%;
}

.change-compare__cell--from {
    color: #b91c1c;
}

.change-compare__cell--to {
    color: #15803d;
}

.change-card__diff {
    display: flex;
    align-items: center;
    gap: 8px;
}

.change-card__label {
    min-width: 110px;
    font-weight: 600;
    color: #334155;
}

.change-card--added { border-left: 4px solid #22c55e; }
.change-card--removed { border-left: 4px solid #ef4444; }
.change-card--changed { border-left: 4px solid #3b82f6; }

.change-card__values {
    flex: 1;
    color: #0f172a;
}

.pill-geometry {
    padding: 3px 7px;
    border-radius: 8px;
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
    font-size: 11px;
    font-weight: 700;
    border: 1px solid #bfdbfe;
}

@media (max-width: 1024px) {
    .airspace-compare__hero,
    .airspace-compare__grid {
        grid-template-columns: 1fr;
    }
    .airspace-compare__form {
        grid-template-columns: 1fr 1fr;
    }
    .airspace-compare__swap {
        grid-column: span 2;
        width: 100%;
    }
    .airspace-compare__submit {
        grid-column: span 2;
    }
    .airspace-compare__changes {
        max-height: none;
    }
}