.page-shell,
.asset-page {
    min-height: 100vh;
    padding: 28px;
    background: radial-gradient(circle at top left, rgba(59,130,246,.08), transparent 32%), radial-gradient(circle at bottom right, rgba(124,58,237,.08), transparent 30%), #f8fafc;
    color: #0f172a;
    box-sizing: border-box;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

.message,
.message-box {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(59,130,246,.08);
    border: 1px solid rgba(99,102,241,.18);
    color: #1e293b;
}

.grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 22px;
    align-items: start;
}

.panel {
    padding: 22px;
    border-radius: 20px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 8px 24px rgba(0,0,0,.05);
}

    .panel h2 {
        margin-top: 0;
        margin-bottom: 18px;
        color: #0f172a;
    }

.panel-span-2 {
    grid-column: span 2;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
}

.panel-subtext {
    margin: 6px 0 0 0;
    color: #64748b;
    font-size: .95rem;
}

.results-count {
    align-self: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(99,102,241,.08);
    color: #5b21b6;
    border: 1px solid rgba(99,102,241,.18);
    font-weight: 700;
    white-space: nowrap;
    font-size: .9rem;
}

.form-row {
    display: grid;
    gap: 8px;
    margin-bottom: 14px;
}

    .form-row label {
        font-size: .92rem;
        font-weight: 600;
        color: #475569;
    }

    .form-row label .label-optional {
        font-size: .78rem;
        font-weight: 400;
        color: #64748b;
        margin-left: 4px;
    }

    .form-row input,
    .form-row select,
    .form-row textarea {
        width: 100%;
        padding: 12px 14px;
        border-radius: 14px;
        border: 1px solid #dbe3ee;
        background: #ffffff;
        color: #0f172a;
        outline: none;
        transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
        font: inherit;
    }

    .form-row textarea {
        resize: vertical;
        min-height: 90px;
    }

        .form-row input:focus,
        .form-row select:focus,
        .form-row textarea:focus {
            border-color: #6366f1;
            box-shadow: 0 0 0 4px rgba(99,102,241,.12);
        }

        .form-row input:disabled,
        .form-row select:disabled,
        .form-row textarea:disabled {
            background: #f8fafc;
            color: #94a3b8;
            cursor: not-allowed;
        }

    .form-row option {
        color: #111827;
        background: #ffffff;
    }

.form-row-span-3 {
    grid-column: 1 / -1;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 18px;
    flex-wrap: wrap;
}

.save-btn,
.cancel-btn,
.edit-btn,
.delete-btn {
    padding: 12px 16px;
    border-radius: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all .18s ease;
    border: none;
    font: inherit;
}

.save-btn {
    background: linear-gradient(135deg, #3b82f6, #7c3aed);
    color: #ffffff;
    box-shadow: 0 10px 20px rgba(59,130,246,.18);
}

    .save-btn:hover:not(:disabled) {
        transform: translateY(-1px);
        box-shadow: 0 14px 24px rgba(59,130,246,.22);
    }

.cancel-btn {
    background: #ffffff;
    color: #334155;
    border: 1px solid #cbd5e1;
}

    .cancel-btn:hover:not(:disabled) {
        background: #f8fafc;
        transform: translateY(-1px);
    }

.edit-btn {
    background: rgba(99,102,241,.08);
    color: #5b21b6;
    border: 1px solid rgba(99,102,241,.18);
}

    .edit-btn:hover:not(:disabled) {
        background: rgba(99,102,241,.14);
        transform: translateY(-1px);
    }

.delete-btn {
    background: #ffffff;
    color: #dc2626;
    border: 1px solid #fecaca;
}

    .delete-btn:hover:not(:disabled) {
        background: #fef2f2;
        transform: translateY(-1px);
    }

    .save-btn:disabled,
    .cancel-btn:disabled,
    .edit-btn:disabled,
    .delete-btn:disabled {
        opacity: .65;
        cursor: not-allowed;
        transform: none;
        box-shadow: none;
    }

.feature-list {
    display: grid;
    gap: 12px;
}

.feature-card {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

    .feature-card:hover {
        transform: translateY(-1px);
        box-shadow: 0 8px 18px rgba(15,23,42,.05);
        border-color: #cbd5e1;
    }

.feature-card-left {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    flex: 1;
}

    .feature-card-left input[type="checkbox"] {
        width: 18px;
        height: 18px;
        margin-top: 2px;
        accent-color: #6366f1;
        flex-shrink: 0;
    }

.feature-title {
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 4px;
}

.feature-description {
    color: #64748b;
    font-size: .92rem;
    line-height: 1.35;
}

.feature-code {
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(15,23,42,.05);
    color: #475569;
    font-size: .8rem;
    font-weight: 700;
    white-space: nowrap;
    border: 1px solid #e2e8f0;
}

.asset-list {
    display: grid;
    gap: 16px;
}

.asset-card {
    padding: 18px;
    border-radius: 18px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 6px 18px rgba(0,0,0,.04);
    transition: transform .18s ease, box-shadow .18s ease;
}

    .asset-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(0,0,0,.06);
    }

.asset-card-top {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
    margin-bottom: 14px;
}

    .asset-card-top h3 {
        margin: 0 0 6px 0;
        color: #0f172a;
    }

    .asset-card-top p {
        margin: 0;
        color: #64748b;
    }

.year-badge {
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(59,130,246,.10);
    color: #2563eb;
    font-weight: 700;
    white-space: nowrap;
    border: 1px solid rgba(59,130,246,.14);
}

.asset-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}

.meta-item {
    padding: 12px 14px;
    border-radius: 14px;
    background: #f8fafc;
    border: 1px solid #edf2f7;
}

.meta-label {
    display: block;
    font-size: .85rem;
    color: #6366f1;
    font-weight: 600;
    margin-bottom: 4px;
}

.meta-value {
    font-weight: 600;
    color: #0f172a;
}

.asset-actions {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(15,23,42,.45);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-card {
    width: min(680px, 100%);
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    background: #ffffff;
    border-radius: 22px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 24px 60px rgba(15,23,42,.24);
    padding: 24px;
}

.modal-card-lg {
    width: min(980px, 100%);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
}

    .modal-header h3 {
        margin: 0 0 4px 0;
        color: #0f172a;
    }

    .modal-header p {
        margin: 0;
        color: #64748b;
    }

.modal-close-btn {
    border: none;
    background: #f8fafc;
    color: #475569;
    width: 38px;
    height: 38px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 1.35rem;
    line-height: 1;
    transition: all .18s ease;
    flex-shrink: 0;
}

    .modal-close-btn:hover {
        background: #e2e8f0;
        color: #0f172a;
    }

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 22px;
    flex-wrap: wrap;
}

.override-list {
    display: grid;
    gap: 16px;
}

.override-card {
    padding: 18px;
    border-radius: 18px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.override-card-top {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 16px;
}

    .override-card-top h4 {
        margin: 0 0 5px 0;
        color: #0f172a;
    }

    .override-card-top p {
        margin: 0;
        color: #64748b;
        font-size: .92rem;
    }

.checkbox-inline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #334155;
    white-space: nowrap;
}

    .checkbox-inline input[type="checkbox"] {
        width: 18px;
        height: 18px;
        accent-color: #6366f1;
    }

.override-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(180px, 1fr));
    gap: 14px;
}

@media (max-width: 1100px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .panel-span-2 {
        grid-column: auto;
    }
}

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

    .override-grid {
        grid-template-columns: 1fr;
    }

    .form-row-span-3 {
        grid-column: auto;
    }
}
@media (max-width: 700px) {
    .page-shell,
    .asset-page {
        padding: 16px;
    }

    .panel,
    .modal-card {
        padding: 18px;
    }

    .panel-header,
    .asset-card-top,
    .override-card-top,
    .modal-header {
        flex-direction: column;
        align-items: stretch;
    }

    .results-count,
    .feature-code,
    .year-badge {
        align-self: flex-start;
    }

    .asset-actions,
    .form-actions,
    .modal-actions {
        flex-direction: column;
    }

    .save-btn,
    .cancel-btn,
    .edit-btn,
    .delete-btn {
        width: 100%;
    }
}

.advanced-specs-toggle-container {
    margin-top: 14px;
    margin-bottom: 14px;
    display: flex;
    justify-content: flex-start;
}

.btn-link-toggle {
    background: none;
    border: none;
    padding: 0;
    color: #6366f1;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: underline;
    transition: color 0.18s ease;
}

.btn-link-toggle:hover {
    color: #4f46e5;
}

.advanced-specs-form {
    padding: 16px;
    border-radius: 16px;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    margin-bottom: 14px;
}

.tasks-dates-section {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px dashed #e2e8f0;
}

.tasks-dates-section h3 {
    margin-top: 0;
    margin-bottom: 6px;
    font-size: 1.05rem;
    font-weight: 700;
    color: #1e293b;
}

.section-help-text {
    margin: 0 0 14px 0;
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.4;
}

.task-date-rows {
    display: grid;
    gap: 10px;
}

.task-date-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.task-date-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #475569;
    flex: 1;
    line-height: 1.3;
}

.task-date-input {
    width: 150px !important;
    padding: 8px 10px !important;
    font-size: 0.85rem !important;
    border-radius: 10px !important;
    border: 1px solid #dbe3ee !important;
    color: #1e293b !important;
    outline: none !important;
    background: #ffffff !important;
}

.task-date-input:focus {
    border-color: #6366f1 !important;
    box-shadow: 0 0 0 3px rgba(99,102,241,.1) !important;
}