/* =========================================================
   /* Compatibility Layer
   Temporary compatibility for remaining legacy workspace buttons.
   ========================================================= */

/* Panels */
.utp-panel {
    background: var(--utp-color-surface);
    border: var(--utp-border-width) solid var(--utp-color-border);
    border-radius: var(--utp-radius-lg);
    padding: var(--utp-space-6);
    margin-bottom: var(--utp-space-6);
    box-shadow: var(--utp-shadow-sm);
}

.utp-search-panel {
    border-top: 4px solid var(--utp-color-hotels);
}

.utp-nav-panel {
    border-top: 4px solid var(--utp-color-finance);
}

.utp-content-panel {
    border-top: 4px solid var(--utp-color-documents);
}

/* Cards */
.utp-card {
    background: var(--utp-color-surface);
    border: var(--utp-border-width) solid var(--utp-color-border);
    border-radius: var(--utp-radius-lg);
    box-shadow: var(--utp-shadow-sm);
    overflow: hidden;
    transition: var(--utp-transition);
}

.utp-card:hover {
    box-shadow: var(--utp-shadow-md);
}

.utp-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--utp-space-4);
    padding: var(--utp-space-5) var(--utp-space-6);
    border-bottom: var(--utp-border-width) solid var(--utp-color-border);
}

.utp-card-title {
    margin: 0;
    font-size: var(--utp-font-lg);
    line-height: 1.3;
    font-weight: 700;
    color: var(--utp-color-text);
}

.utp-card-subtitle {
    margin-top: 4px;
    font-size: var(--utp-font-sm);
    line-height: 1.5;
    color: var(--utp-color-muted);
}

.utp-card-body {
    padding: var(--utp-space-6);
}

.utp-card-footer {
    padding: var(--utp-space-5) var(--utp-space-6);
    border-top: var(--utp-border-width) solid var(--utp-color-border);
    background: var(--utp-color-surface-muted);
}

/* Buttons */
.utp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 10px 16px;
    border: var(--utp-border-width) solid transparent;
    border-radius: var(--utp-radius-md);
    font-size: var(--utp-font-sm);
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: var(--utp-transition);
}

.utp-btn:hover,
.utp-btn:focus {
    text-decoration: none;
    outline: none;
}

.utp-btn-primary {
    background: var(--utp-color-primary);
    border-color: var(--utp-color-primary);
    color: #ffffff;
}

.utp-btn-primary:hover,
.utp-btn-primary:focus {
    background: var(--utp-color-primary-dark);
    border-color: var(--utp-color-primary-dark);
    color: #ffffff;
}

.utp-btn-secondary {
    background: var(--utp-color-surface);
    border-color: var(--utp-color-border);
    color: var(--utp-color-text);
}

.utp-btn-secondary:hover,
.utp-btn-secondary:focus {
    background: var(--utp-color-surface-muted);
    color: var(--utp-color-text);
}

.utp-btn-success {
    background: var(--utp-color-success);
    border-color: var(--utp-color-success);
    color: #ffffff;
}

.utp-btn-warning {
    background: var(--utp-color-warning);
    border-color: var(--utp-color-warning);
    color: #ffffff;
}

.utp-btn-danger {
    background: var(--utp-color-danger);
    border-color: var(--utp-color-danger);
    color: #ffffff;
}

.utp-btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--utp-color-muted);
}

.utp-btn-ghost:hover,
.utp-btn-ghost:focus {
    background: var(--utp-color-surface-muted);
    color: var(--utp-color-text);
}

.utp-btn-sm {
    min-height: 34px;
    padding: 8px 12px;
    font-size: var(--utp-font-xs);
}

.utp-btn-lg {
    min-height: 48px;
    padding: 14px 20px;
    font-size: var(--utp-font-md);
}

.utp-btn-icon {
    width: 40px;
    padding-left: 0;
    padding-right: 0;
}

.utp-card:hover,
.utp-workspace-launch-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 46px rgba(15, 23, 42, 0.10);
}

.utp-overview-actions .utp-btn {
    width: 100%;
    justify-content: flex-start;
}

.utp-btn:hover,
.utp-quick-action:hover,
.utp-workspace-launch-card a:hover {
    transform: translateY(-1px);
}

.utp-search-panel {
    padding: 24px;
    margin-bottom: 22px;
}

/* 08. Badges */

.utp-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 24px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: var(--utp-font-xs);
    font-weight: 800;
    line-height: 1;
    background: var(--utp-color-surface-muted);
    color: var(--utp-color-muted);
}

.utp-badge-success {
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
}

.utp-badge-warning {
    background: rgba(245, 158, 11, 0.14);
    color: #92400e;
}

.utp-badge-danger {
    background: rgba(239, 68, 68, 0.12);
    color: #b91c1c;
}

.utp-badge-info {
    background: rgba(37, 99, 235, 0.12);
    color: #1d4ed8;
}

/* Toolbar */
.utp-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--utp-space-4);
    background: var(--utp-color-surface);
    border: var(--utp-border-width) solid var(--utp-color-border);
    border-radius: var(--utp-radius-lg);
    padding: var(--utp-space-5);
    box-shadow: var(--utp-shadow-sm);
}

.utp-toolbar-title {
    margin: 0;
    font-size: var(--utp-font-md);
    font-weight: 800;
    color: var(--utp-color-text);
}

.utp-toolbar-subtitle {
    margin: 4px 0 0;
    font-size: var(--utp-font-sm);
    color: var(--utp-color-muted);
}

.utp-toolbar-actions {
    display: flex;
    align-items: center;
    gap: var(--utp-space-3);
    flex-wrap: wrap;
}

/* Empty State */
.utp-empty-state {
    background: var(--utp-color-surface);
    border: 1px dashed var(--utp-color-border);
    border-radius: var(--utp-radius-lg);
    padding: var(--utp-space-8);
    text-align: center;
}

.utp-empty-icon {
    width: 44px;
    height: 44px;
    margin: 0 auto var(--utp-space-4);
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--utp-color-surface-muted);
    color: var(--utp-color-muted);
    font-size: 22px;
    font-weight: 800;
}

.utp-empty-state h4 {
    margin: 0 0 8px;
    font-size: var(--utp-font-lg);
    font-weight: 800;
    color: var(--utp-color-text);
}

.utp-empty-state p {
    margin: 0 0 var(--utp-space-5);
    color: var(--utp-color-muted);
}

/* Alerts */
.utp-alert {
    border-radius: var(--utp-radius-lg);
    padding: var(--utp-space-4) var(--utp-space-5);
    border: var(--utp-border-width) solid var(--utp-color-border);
    background: var(--utp-color-surface);
    color: var(--utp-color-text);
    font-size: var(--utp-font-sm);
}

.utp-alert-success {
    background: rgba(16, 185, 129, 0.10);
    border-color: rgba(16, 185, 129, 0.28);
    color: #047857;
}

.utp-alert-warning {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.32);
    color: #92400e;
}

.utp-alert-danger {
    background: rgba(239, 68, 68, 0.10);
    border-color: rgba(239, 68, 68, 0.28);
    color: #b91c1c;
}

.utp-alert-info {
    background: rgba(37, 99, 235, 0.10);
    border-color: rgba(37, 99, 235, 0.28);
    color: #1d4ed8;
}

/* Gallery helpers */
.utp-components-gallery {
    display: flex;
    flex-direction: column;
    gap: var(--utp-space-6);
}

.utp-component-section {
    background: rgba(255, 255, 255, 0.82);
    border: var(--utp-border-width) solid var(--utp-color-border);
    border-radius: var(--utp-radius-lg);
    padding: var(--utp-space-6);
    box-shadow: var(--utp-shadow-sm);
}

.utp-component-section h3 {
    margin: 0 0 var(--utp-space-4);
    font-size: var(--utp-font-lg);
    color: var(--utp-color-text);
}

.utp-demo-box {
    background: var(--utp-color-surface);
    border: var(--utp-border-width) solid var(--utp-color-border);
    border-radius: var(--utp-radius-lg);
    padding: var(--utp-space-5);
    margin-bottom: var(--utp-space-4);
}

.utp-demo-row {
    display: flex;
    align-items: center;
    gap: var(--utp-space-3);
    flex-wrap: wrap;
}

.utp-demo-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--utp-space-4);
}

@media (max-width: 900px) {
    .utp-stat-grid,
    .utp-demo-grid {
        grid-template-columns: 1fr;
    }

    .utp-toolbar {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .utp-panel,
    .utp-card-body,
    .utp-card-header,
    .utp-card-footer {
        padding: var(--utp-space-4);
    }
}


/* Platform shared modal primitive — composed from canonical tokens and buttons. */
.utp-platform-modal {
    box-sizing: border-box;
    width: min(100% - var(--utp-space-6), 560px);
    max-height: calc(100% - var(--utp-space-8));
    margin: auto;
    padding: 0;
    color: var(--utp-color-text);
    background: var(--utp-color-surface);
    border: var(--utp-border-width) solid var(--utp-color-border);
    border-radius: var(--utp-radius-lg);
    box-shadow: var(--utp-shadow-shell);
    font-family: var(--utp-font-family);
}
.utp-platform-modal::backdrop { background: rgba(7, 17, 31, .55); }
.utp-platform-modal__header,
.utp-platform-modal__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--utp-space-3);
    padding: var(--utp-space-4) var(--utp-space-5);
}
.utp-platform-modal__header { border-bottom: var(--utp-border-width) solid var(--utp-color-border); }
.utp-platform-modal__footer { justify-content: flex-end; border-top: var(--utp-border-width) solid var(--utp-color-border); }
.utp-platform-modal__body { padding: var(--utp-space-5); overflow-y: auto; }
.utp-platform-modal__choice {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--utp-space-4);
    padding: var(--utp-space-4) 0;
    border-bottom: var(--utp-border-width) solid var(--utp-color-border);
}
.utp-platform-modal__choice:last-child { border-bottom: 0; }