.premium-page {
    background-color: #f7f8fa;
}

.premium-shell {
    max-width: 1200px;
    margin: 0 auto;
}

.premium-page-header,
.premium-panel,
.premium-chart-card,
.premium-target-card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.premium-page-header,
.premium-header-title,
.premium-header-actions,
.premium-chart-toolbar,
.premium-toggle-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.premium-page-header {
    justify-content: space-between;
    padding: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid #ddd;
}

.premium-header-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
}

.premium-header-title h1 {
    margin: 0;
}

.premium-eyebrow,
.premium-panel-header p,
.premium-chart-toolbar p,
.premium-target-card span {
    color: #666;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.premium-panel {
    margin-bottom: 16px;
    overflow: hidden;
}

.premium-panel-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid #eee;
}

.premium-panel-header h2,
.premium-panel-header p,
.premium-chart-toolbar h2,
.premium-chart-toolbar p {
    margin: 0;
}

.premium-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    padding: 16px;
}

.premium-controls label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: #555;
    font-size: 13px;
    font-weight: bold;
}

.premium-controls input,
.premium-controls select {
    width: 100%;
    min-height: 38px;
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: #fff;
    font-family: 'D2Coding', monospace;
}

.premium-controls button,
.chart-toggle {
    min-height: 38px;
    padding: 8px 14px;
    border: 1px solid #2196F3;
    border-radius: 6px;
    cursor: pointer;
    background-color: #2196F3;
    color: #fff;
    font-weight: bold;
}

.premium-control-actions {
    display: flex;
    align-items: end;
    gap: 8px;
    flex-wrap: wrap;
}

.premium-controls .btn-secondary,
.chart-toggle {
    background-color: #f0f0f0;
    border-color: #ddd;
    color: #555;
}

.chart-toggle.active {
    background-color: #2196F3;
    border-color: #2196F3;
    color: #fff;
}

.premium-status {
    align-self: center;
    min-height: 20px;
    padding: 10px 12px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background-color: #f5f5f5;
    color: #666;
    font-family: 'D2Coding', monospace;
    font-size: 13px;
}

.premium-status.error {
    background-color: #ffebee;
    border-color: #ffcdd2;
    color: #c62828;
}

.premium-targets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.premium-target-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px;
}

.premium-target-card strong {
    font-family: 'D2Coding', monospace;
    font-size: 24px;
    color: #2196F3;
}

.premium-chart-card {
    margin-bottom: 16px;
    padding: 16px;
}

.premium-chart-toolbar {
    justify-content: space-between;
    margin-bottom: 12px;
}

.premium-chart {
    height: 380px;
    width: 100%;
}

.premium-action-card {
    margin-bottom: 20px;
    padding: 16px;
    border: 1px solid #ddd;
    border-left: 4px solid #777;
    border-radius: 8px;
    background-color: #fff;
}

.premium-action-card span {
    color: #666;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.premium-action-card strong {
    display: block;
    margin-top: 4px;
    font-family: 'D2Coding', monospace;
    font-size: 20px;
}

.premium-action-spread {
    margin-top: 8px;
    font-family: 'D2Coding', monospace;
    font-size: 36px;
    font-weight: bold;
    line-height: 1.1;
}

.premium-action-card p {
    margin: 8px 0 0;
    color: #555;
}

.premium-action-card.long {
    border-left-color: #2e7d32;
}

.premium-action-card.short {
    border-left-color: #c62828;
}

.premium-action-card.neutral {
    border-left-color: #777;
}

.hynix-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'D2Coding', monospace;
    font-size: 13px;
}

.hynix-table th,
.hynix-table td {
    padding: 8px;
    border-bottom: 1px solid #eee;
    text-align: right;
    white-space: nowrap;
}

.hynix-table th:first-child,
.hynix-table td:first-child,
.hynix-table th:last-child,
.hynix-table td:last-child {
    text-align: left;
}

.hynix-table .muted {
    color: #888;
}

.hynix-table .positive {
    color: #2e7d32;
}

.hynix-table .negative {
    color: #c62828;
}

@media (max-width: 760px) {
    .premium-page-header,
    .premium-panel-header,
    .premium-chart-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .premium-header-actions,
    .premium-control-actions,
    .premium-toggle-group {
        align-items: stretch;
        flex-direction: column;
    }

    .premium-control-actions button,
    .premium-toggle-group button {
        width: 100%;
    }
}