/* ==========================================================================
   GRID & LAYOUT CONTAINERS
   ========================================================================== */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 20px;
}

.segment-panel {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.segment-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}

.segment-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary);
}

.comp-control-wrapper {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* GSC Responsive Dual Grid */
.gsc-dual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: stretch;
    margin-bottom: 24px;
    width: 100%;
}

.gsc-column-box {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}

.gsc-column-title {
    margin: 0 0 10px 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted, #64748b);
}

.gsc-chart-card {
    height: 280px !important;
    margin-bottom: 16px;
    flex-shrink: 0;
}

.gsc-equal-card-row {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
    width: 100% !important;
    margin-top: auto !important;
    align-items: stretch !important;
}

.gsc-row-4col > div,
.gsc-row-4col > .metric-card {
    flex: 1 1 calc(25% - 8px) !important;
    max-width: calc(25% - 8px) !important;
}

.gsc-row-3col > div,
.gsc-row-3col > .metric-card {
    flex: 1 1 calc(33.333% - 7px) !important;
    max-width: calc(33.333% - 7px) !important;
}

/* Footer Grid */
.app-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.author-name {
    color: var(--text-primary);
    font-weight: 600;
}