/* =========================================================
   UFS SHARED COMPONENT LIBRARY
   Context-aware, reusable UI building blocks.
   ========================================================= */

.ufs-page-shell {
    min-height: 100%;
    color: var(--ufs-gray-900);
}

.ufs-page-shell__breadcrumbs,
.ufs-page-shell__header,
.ufs-page-shell__toolbar {
    margin-bottom: var(--ufs-space-4);
}

.ufs-page-shell__body {
    min-width: 0;
}

.ufs-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--ufs-space-5);
    padding: var(--ufs-space-5);
    border: 1px solid color-mix(in srgb, var(--ufs-context-primary) 14%, var(--ufs-gray-200));
    border-radius: var(--ufs-radius-lg);
    background:
        radial-gradient(circle at top right, color-mix(in srgb, var(--ufs-context-light) 18%, transparent), transparent 42%),
        var(--ufs-surface);
    box-shadow: var(--ufs-shadow-sm);
}

.ufs-page-header__main {
    display: flex;
    align-items: flex-start;
    gap: var(--ufs-space-4);
    min-width: 0;
}

.ufs-page-header__icon {
    display: grid;
    place-items: center;
    width: 3.25rem;
    height: 3.25rem;
    flex: 0 0 auto;
    border-radius: var(--ufs-radius);
    color: var(--ufs-context-on-primary);
    background: linear-gradient(145deg, var(--ufs-context-light), var(--ufs-context-primary));
    box-shadow: 0 .55rem 1.2rem color-mix(in srgb, var(--ufs-context-primary) 20%, transparent);
    font-size: 1.35rem;
}

.ufs-page-header__copy { min-width: 0; }
.ufs-page-header__eyebrow {
    margin-bottom: var(--ufs-space-1);
    color: var(--ufs-context-primary);
    font-size: var(--ufs-font-size-xs);
    font-weight: var(--ufs-font-weight-bold);
    letter-spacing: .06em;
    text-transform: uppercase;
}

.ufs-page-header__title-row {
    display: flex;
    align-items: flex-start;
    gap: var(--ufs-space-2);
}

.ufs-page-header__title,
.ufs-panel__title,
.ufs-form-section__title,
.ufs-modal-shell__title,
.ufs-state__title,
.ufs-action-card__title {
    margin: 0;
    color: var(--ufs-navy);
}

.ufs-page-header__title { font-size: clamp(1.45rem, 2vw, 2rem); }
.ufs-page-header__description,
.ufs-panel__description,
.ufs-form-section__description,
.ufs-modal-shell__description,
.ufs-state__description,
.ufs-action-card__description {
    margin: var(--ufs-space-2) 0 0;
    color: var(--ufs-gray-600);
}

.ufs-page-header__metadata {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ufs-space-2);
    margin-top: var(--ufs-space-3);
}

.ufs-page-header__actions,
.ufs-page-toolbar__actions,
.ufs-panel__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: var(--ufs-space-2);
}

.ufs-page-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ufs-space-4);
    padding: var(--ufs-space-3) var(--ufs-space-4);
    border: 1px solid var(--ufs-gray-200);
    border-radius: var(--ufs-radius);
    background: var(--ufs-surface);
    box-shadow: var(--ufs-shadow-xs, 0 1px 2px rgba(11,45,75,.05));
}

.ufs-page-toolbar__primary {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--ufs-space-3);
    min-width: 0;
}

.ufs-panel,
.ufs-form-section,
.ufs-action-card,
.ufs-modal-shell {
    border: 1px solid var(--ufs-gray-200);
    border-radius: var(--ufs-radius);
    background: var(--ufs-surface);
    box-shadow: var(--ufs-shadow-sm);
}

.ufs-panel { overflow: hidden; }
.ufs-panel__header,
.ufs-form-section__header,
.ufs-modal-shell__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--ufs-space-4);
    padding: var(--ufs-space-4) var(--ufs-space-5);
    border-bottom: 1px solid var(--ufs-gray-200);
}

.ufs-panel__title,
.ufs-form-section__title,
.ufs-modal-shell__title { font-size: var(--ufs-font-size-xl); }
.ufs-panel__description,
.ufs-form-section__description,
.ufs-modal-shell__description { font-size: var(--ufs-font-size-sm); }
.ufs-panel__body { padding: var(--ufs-space-5); }
.ufs-panel__footer,
.ufs-modal-shell__footer {
    padding: var(--ufs-space-4) var(--ufs-space-5);
    border-top: 1px solid var(--ufs-gray-200);
    background: var(--ufs-surface-subtle);
}
.ufs-panel--flush .ufs-panel__body { padding: 0; }

.ufs-form-section { overflow: hidden; }
.ufs-form-section__header {
    border-bottom-color: color-mix(in srgb, var(--ufs-context-primary) 14%, var(--ufs-gray-200));
    background: color-mix(in srgb, var(--ufs-context-lighter) 45%, var(--ufs-surface));
}
.ufs-form-section__body { padding: var(--ufs-space-5); }

.ufs-field { display: grid; gap: var(--ufs-space-2); }
.ufs-field__label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ufs-space-3);
}
.ufs-field__label {
    color: var(--ufs-gray-900);
    font-size: var(--ufs-font-size-sm);
    font-weight: var(--ufs-font-weight-semibold);
}
.ufs-field__required { margin-inline-start: .2rem; color: var(--ufs-danger-primary); }
.ufs-field__hint { color: var(--ufs-gray-600); font-size: var(--ufs-font-size-xs); }
.ufs-field__validation { color: var(--ufs-danger-primary); font-size: var(--ufs-font-size-xs); }

.ufs-help-button {
    display: inline-grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    color: var(--ufs-context-primary);
    background: transparent;
    transition: background-color var(--ufs-motion-fast, 140ms ease), color var(--ufs-motion-fast, 140ms ease);
}
.ufs-help-button:hover { color: var(--ufs-context-darker); background: var(--ufs-context-lighter); }
.ufs-help-button:focus-visible { box-shadow: var(--ufs-shadow-focus); outline: none; }

.ufs-state {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--ufs-space-4);
    padding: clamp(1.5rem, 4vw, 3rem);
    border: 1px dashed var(--ufs-gray-300);
    border-radius: var(--ufs-radius);
    background: var(--ufs-surface-subtle);
    text-align: start;
}
.ufs-state__icon {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    flex: 0 0 auto;
    border-radius: var(--ufs-radius);
    color: var(--ufs-context-primary);
    background: var(--ufs-context-lighter);
    font-size: 1.25rem;
}
.ufs-state__title { font-size: var(--ufs-font-size-lg); }
.ufs-state__actions { margin-top: var(--ufs-space-4); }
.ufs-state--error { border-color: var(--ufs-danger-light); background: var(--ufs-danger-lighter); }
.ufs-state--error .ufs-state__icon { color: var(--ufs-danger-primary); background: #fff; }
.ufs-state--success .ufs-state__icon { color: var(--ufs-personal-primary); background: var(--ufs-personal-lighter); }
.ufs-state--loading .ufs-state__icon i { animation: ufs-spin 1s linear infinite; }
@keyframes ufs-spin { to { transform: rotate(360deg); } }

.ufs-status-badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .3rem .65rem;
    border: 1px solid transparent;
    border-radius: var(--ufs-radius-pill);
    font-size: var(--ufs-font-size-xs);
    font-weight: var(--ufs-font-weight-semibold);
    line-height: 1;
}
.ufs-status-badge--neutral { color: var(--ufs-gray-700); background: var(--ufs-gray-100); border-color: var(--ufs-gray-200); }
.ufs-status-badge--context,
.ufs-status-badge--info { color: var(--ufs-context-darker); background: var(--ufs-context-lighter); border-color: var(--ufs-context-muted); }
.ufs-status-badge--success { color: var(--ufs-personal-darker); background: var(--ufs-personal-lighter); border-color: var(--ufs-personal-muted); }
.ufs-status-badge--warning { color: var(--ufs-warning-darker); background: var(--ufs-warning-lighter); border-color: var(--ufs-warning-light); }
.ufs-status-badge--danger { color: var(--ufs-danger-darker); background: var(--ufs-danger-lighter); border-color: var(--ufs-danger-light); }

.ufs-action-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: start;
    gap: var(--ufs-space-4);
    padding: var(--ufs-space-5);
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.ufs-action-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--ufs-context-primary) 28%, var(--ufs-gray-200));
    box-shadow: var(--ufs-shadow-md);
}
.ufs-action-card__icon {
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--ufs-radius-md);
    color: var(--ufs-context-primary);
    background: var(--ufs-context-lighter);
    font-size: 1.15rem;
}
.ufs-action-card__title { font-size: var(--ufs-font-size-lg); }
.ufs-action-card__action { align-self: center; }

.ufs-modal-shell {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    width: min(calc(100vw - 2rem), 44rem);
    max-height: min(88vh, 56rem);
    overflow: hidden;
}
.ufs-modal-shell--small { width: min(calc(100vw - 2rem), 30rem); }
.ufs-modal-shell--large { width: min(calc(100vw - 2rem), 64rem); }
.ufs-modal-shell--xlarge { width: min(calc(100vw - 2rem), 78rem); }
.ufs-modal-shell__body { min-height: 0; overflow-y: auto; padding: var(--ufs-space-5); }
.ufs-modal-shell__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: var(--ufs-space-2);
}

@media (max-width: 767.98px) {
    .ufs-page-header,
    .ufs-page-toolbar,
    .ufs-panel__header,
    .ufs-form-section__header,
    .ufs-modal-shell__header {
        align-items: stretch;
        flex-direction: column;
    }

    .ufs-page-header__actions,
    .ufs-page-toolbar__actions,
    .ufs-panel__actions { justify-content: flex-start; }
    .ufs-page-header { padding: var(--ufs-space-4); }
    .ufs-page-header__icon { width: 2.75rem; height: 2.75rem; }
    .ufs-panel__body,
    .ufs-form-section__body,
    .ufs-modal-shell__body { padding: var(--ufs-space-4); }
    .ufs-action-card { grid-template-columns: auto minmax(0, 1fr); }
    .ufs-action-card__action { grid-column: 1 / -1; }
    .ufs-modal-shell { width: 100%; max-height: 100dvh; border-radius: var(--ufs-radius) var(--ufs-radius) 0 0; }
}

@media (prefers-reduced-motion: reduce) {
    .ufs-action-card,
    .ufs-help-button { transition: none; }
    .ufs-state--loading .ufs-state__icon i { animation-duration: 2s; }
}


/* =========================================================
   APP HERO — context aware replacement for legacy inline CSS
   ========================================================= */
.app-hero {
    background: linear-gradient(135deg, var(--ufs-context-darker) 0%, var(--ufs-context-primary) 100%);
    color: #fff;
    border: 1px solid color-mix(in srgb, var(--ufs-context-light) 38%, transparent);
    border-radius: var(--ufs-radius-lg, 1rem);
    padding: clamp(1.25rem, 2vw, 1.75rem);
    box-shadow: 0 14px 34px color-mix(in srgb, var(--ufs-context-primary) 20%, transparent);
    margin-bottom: 1.5rem;
}

.app-hero-inner { width: 100%; }
.app-hero-left { flex: 1; min-width: 0; }

.app-hero-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--ufs-radius, .875rem);
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .16);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.app-hero-title {
    color: #fff;
    font-weight: 800;
    margin-bottom: .35rem;
    font-size: clamp(1.65rem, 3vw, 2rem);
}

.app-hero-subtitle {
    color: rgba(255, 255, 255, .92);
    margin-bottom: 0;
}

.app-hero-actions .btn-light {
    color: var(--ufs-context-darker);
    border-color: rgba(255, 255, 255, .7);
    font-weight: 650;
}

@media (max-width: 767.98px) {
    .app-hero { border-radius: var(--ufs-radius, .875rem); }
}

/* Phase 4 reference-page alignment */
.ufs-content-wide {
    width: min(100%, var(--ufs-content-wide, 1440px));
}

.ufs-context-personal .app-page-body,
.ufs-context-facility .app-page-body,
.ufs-context-connection .app-page-body {
    min-width: 0;
}

.ufs-context-connection {
    --ufs-context-primary: var(--ufs-navy);
    --ufs-context-darker: var(--ufs-navy);
    --ufs-context-light: var(--ufs-facility-light);
    --ufs-context-lighter: linear-gradient(90deg, var(--ufs-facility-lighter), var(--ufs-personal-lighter));
}