.ortools-page {
    display: grid;
    gap: 18px;
}

.ortools-context {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 14px 16px;
    border: 1px solid #e0e6eb;
    border-radius: 14px;
    background: #f7f9fb;
}

.ortools-context > div {
    display: grid;
    gap: 2px;
}

.ortools-context span,
.ortools-summary-grid span,
.ortools-generate-form span {
    color: #768590;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.ortools-context strong {
    font-size: 18px;
}

.ortools-period-tabs {
    display: inline-flex;
    gap: 6px;
    padding: 4px;
    background: #eef2f5;
    border-radius: 12px;
}

.ortools-period-tabs a {
    padding: 8px 16px;
    border-radius: 9px;
    color: #52616d;
    text-decoration: none;
    font-weight: 600;
}

.ortools-period-tabs a.active {
    background: #fff;
    color: #1f5f91;
    box-shadow: 0 2px 8px rgba(25, 58, 84, .10);
}

.ortools-phase-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 18px;
    border: 1px solid #dbe6ee;
    border-radius: 15px;
    background: linear-gradient(180deg, #fff, #f8fbfd);
}

.ortools-phase-number {
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    background: #245f8e;
    color: #fff;
    font-size: 19px;
    font-weight: 800;
}

.ortools-phase-card > div:last-child {
    display: grid;
    gap: 3px;
}

.ortools-phase-card span,
.ortools-kicker {
    color: #75838e;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.ortools-phase-card strong {
    font-size: 18px;
}

.ortools-phase-card p {
    margin: 3px 0 0;
    color: #657681;
    line-height: 1.5;
}

.ortools-diagnostic-card {
    padding: 20px;
    border: 1px solid #dfe6ec;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 3px 12px rgba(17, 46, 70, .04);
}

.ortools-diagnostic-card.is-ok {
    border-top: 4px solid #47a469;
}

.ortools-diagnostic-card.has-error {
    border-top: 4px solid #ca5757;
}

.ortools-diagnostic-heading {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.ortools-diagnostic-heading h2 {
    margin: 3px 0 0;
    font-size: 19px;
}

.ortools-status {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
}

.ortools-status.ok {
    background: #e4f5e9;
    color: #2b7542;
}

.ortools-status.error {
    background: #fbe5e5;
    color: #9c3434;
}

.ortools-summary-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
}

.ortools-summary-grid > div {
    display: grid;
    gap: 4px;
    padding: 13px;
    border: 1px solid #e3e8ec;
    border-radius: 11px;
    background: #f9fbfc;
}

.ortools-summary-grid strong {
    font-size: 20px;
    color: #2c5f84;
}

.ortools-rules {
    margin-top: 18px;
    padding: 16px;
    border: 1px solid #e1e7eb;
    border-radius: 12px;
    background: #fafcfd;
}

.ortools-rules ul {
    margin: 10px 0 0;
    padding-left: 20px;
    columns: 2;
    column-gap: 35px;
}

.ortools-rules li {
    margin-bottom: 7px;
    break-inside: avoid;
    color: #5e6e7a;
}

.ortools-generate-form {
    margin-top: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 15px;
    border: 1px solid #d8e5ef;
    border-radius: 13px;
    background: #f4f9fd;
}

.ortools-generate-form > div {
    display: grid;
    gap: 3px;
}

.ortools-generate-form small {
    color: #6f7d87;
}

.ortools-generate-button {
    min-width: 190px;
}

.ortools-error-text {
    margin: 0;
    padding: 15px;
    border-radius: 11px;
    background: #fff5f5;
    color: #8b3333;
    white-space: pre-wrap;
    font-family: inherit;
    line-height: 1.5;
}

.ortools-fix-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.ortools-official-warning {
    padding: 13px 15px;
    border: 1px solid #ead49f;
    border-radius: 11px;
    background: #fff8e8;
    color: #72591f;
}

@media (max-width: 900px) {
    .ortools-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ortools-rules ul {
        columns: 1;
    }
}

@media (max-width: 700px) {
    .ortools-context,
    .ortools-generate-form {
        flex-direction: column;
        align-items: stretch;
    }

    .ortools-period-tabs {
        width: 100%;
    }

    .ortools-period-tabs a {
        flex: 1;
        text-align: center;
    }

    .ortools-summary-grid {
        grid-template-columns: 1fr;
    }
}