:root {
    --sd-teal: #0F8B8D;
    --sd-primary: var(--sd-teal);
    --sd-teal-dark: #145E60;
    --sd-teal-light: #7DD3D5;
    --sd-bg: #EEEEEE;
    --sd-card: #FFFFFF;
    --sd-text: #333333;
    --sd-muted: #666666;
    --sd-border: #E0E0E0;
    --sd-danger: #C62828;
    --sd-sidebar-width: 260px;
}

* { box-sizing: border-box; }

body.sd-app,
body.sd-auth {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    color: var(--sd-text);
    background: var(--sd-bg);
}

a { color: var(--sd-teal); }

/* Auth layout */
body.sd-auth {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.sd-auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--sd-card);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,.12);
    padding: 28px 32px;
}

.sd-brand-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1A1A1A;
    margin: 0;
}

.sd-brand-subtitle {
    color: #888;
    letter-spacing: 1px;
    font-size: .75rem;
    margin-top: 4px;
}

/* App shell */
.sd-app-shell {
    min-height: 100vh;
}

.sd-app-nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .4);
    z-index: 199;
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease, visibility .2s ease;
}

.sd-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sd-sidebar-width);
    background: var(--sd-teal-dark);
    color: #fff;
    display: flex;
    flex-direction: column;
    padding: 16px 0;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 4px 0 24px rgba(0, 0, 0, .15);
}

body.sd-app-nav-open {
    overflow: hidden;
}

body.sd-app-nav-open .sd-app-nav-backdrop {
    opacity: 1;
    visibility: visible;
}

body.sd-app-nav-open .sd-sidebar {
    transform: translateX(0);
}

.sd-sidebar-brand {
    padding: 12px 20px 20px;
    border-bottom: 1px solid #3A8A8C;
    margin-bottom: 8px;
}

.sd-sidebar-brand h1 {
    font-size: 1.25rem;
    margin: 0;
}

.sd-sidebar-brand p {
    margin: 4px 0 0;
    font-size: .7rem;
    color: var(--sd-teal-light);
    letter-spacing: .5px;
}

.sd-nav a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 12px 20px;
    font-size: .95rem;
}

.sd-nav a:hover,
.sd-nav a.active {
    background: rgba(255,255,255,.12);
}

.sd-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.sd-topbar {
    background: var(--sd-card);
    border-bottom: 1px solid var(--sd-border);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.sd-topbar-start {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.sd-app-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--sd-border);
    border-radius: 4px;
    background: #fff;
    color: var(--sd-teal-dark);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    flex-shrink: 0;
}

.sd-app-nav-toggle:hover {
    background: #f3f8f8;
}

.sd-topbar-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--sd-teal);
}

.sd-user-menu details summary {
    list-style: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--sd-teal-dark);
}

.sd-user-menu details summary::-webkit-details-marker { display: none; }

.sd-user-menu-panel {
    position: absolute;
    right: 20px;
    top: 56px;
    background: var(--sd-teal-dark);
    color: #fff;
    border-radius: 8px;
    min-width: 220px;
    box-shadow: 0 8px 24px rgba(0,0,0,.2);
    z-index: 100;
    overflow: hidden;
}

.sd-user-menu-panel a,
.sd-user-menu-panel button {
    display: block;
    width: 100%;
    text-align: left;
    padding: 12px 16px;
    color: #fff;
    text-decoration: none;
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
}

.sd-user-menu-panel a:hover,
.sd-user-menu-panel button:hover {
    background: rgba(255,255,255,.1);
}

.sd-user-menu-panel .danger { color: #FFB4B4; }

.sd-content {
    padding: 20px;
    flex: 1;
}

.sd-card {
    background: var(--sd-card);
    border: 1px solid var(--sd-border);
    border-radius: 8px;
    padding: 20px 24px;
}

.sd-card h2 {
    margin: 0 0 8px;
    color: var(--sd-teal);
}

.sd-muted { color: var(--sd-muted); font-size: .92rem; }

.sd-scaffold-badge {
    display: inline-block;
    background: #f3f8f8;
    color: var(--sd-teal-dark);
    border: 1px solid #cfe8e8;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: .75rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.sd-feature-list {
    margin: 16px 0 0;
    padding-left: 1.25rem;
}

.sd-feature-list li { margin-bottom: 6px; }

.sd-form-group { margin-bottom: 14px; }

.sd-form-group label {
    display: block;
    font-size: .85rem;
    color: var(--sd-muted);
    margin-bottom: 4px;
}

.sd-checkbox-group .sd-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: var(--sd-text);
    font-size: .92rem;
    cursor: pointer;
    margin-bottom: 0;
}

.sd-checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    flex-shrink: 0;
}

.sd-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #D0D0D0;
    border-radius: 4px;
    font-size: 1rem;
    background: #F9F9F9;
}

.sd-btn {
    display: inline-block;
    padding: 10px 18px;
    border: none;
    border-radius: 4px;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.sd-btn-primary { background: var(--sd-teal); color: #fff; }
.sd-btn-secondary { background: #E8E8E8; color: var(--sd-text); }
.sd-btn-outline {
    background: #fff;
    color: var(--sd-primary);
    border: 1px solid var(--sd-primary);
}
.sd-btn-outline:hover { background: #f0fafafa; }
.sd-btn-danger { background: var(--sd-danger); color: #fff; }

.sd-validation-summary-errors {
    color: var(--sd-danger);
    margin-bottom: 12px;
    font-size: .9rem;
}

.sd-field-validation-error { color: var(--sd-danger); font-size: .82rem; }

.sd-alert-success {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
    border-radius: 6px;
    padding: 10px 14px;
    margin-bottom: 16px;
}

.sd-alert-error {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ffcdd2;
    border-radius: 6px;
    padding: 10px 14px;
    margin-bottom: 16px;
}

.sd-page-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.sd-search-form {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    flex: 1;
    min-width: 240px;
}

.sd-search-form .sd-input {
    max-width: 360px;
    flex: 1;
    min-width: 200px;
}

.sd-table-wrap {
    background: #fff;
    border: 1px solid #e6e6e6;
    border-radius: 8px;
    overflow-x: auto;
}

.sd-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .92rem;
}

.sd-table th,
.sd-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid #eee;
    white-space: nowrap;
}

.sd-table th {
    background: #f7fafa;
    color: var(--sd-muted);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.sd-table tbody tr:hover {
    background: #fafcfc;
}

.sd-table-actions-col { min-width: 320px; }

.sd-appt-table-wrap .sd-table-actions-col { min-width: 280px; }

.sd-appt-kpis {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.sd-kpi-card {
    background: #fff;
    border: 1px solid #e6e6e6;
    border-radius: 8px;
    padding: 16px 18px;
    text-align: center;
}

.sd-kpi-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--sd-teal-dark);
}

.sd-kpi-label {
    display: block;
    margin-top: 4px;
    font-size: .85rem;
    color: var(--sd-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
}

.sd-appt-toolbar-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.sd-appt-filters {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
    gap: 12px;
    align-items: end;
    margin-bottom: 16px;
}

.sd-appt-filters .sd-form-group { margin-bottom: 0; }
.sd-appt-search { grid-column: span 1; }

.sd-chart-card { margin-bottom: 16px; }
.sd-chart-card h2 { font-size: 1rem; margin-bottom: 12px; }

.sd-trend-chart {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    overflow-x: auto;
    padding-bottom: 8px;
    min-height: 140px;
}

.sd-trend-bar-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 28px;
}

.sd-trend-bar {
    width: 18px;
    background: var(--sd-teal);
    border-radius: 3px 3px 0 0;
    min-height: 2px;
}

.sd-trend-label {
    font-size: .65rem;
    color: var(--sd-muted);
    margin-top: 4px;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

.sd-row-even { background: #fff; }
.sd-row-odd { background: #f9f9f9; }

.sd-status {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 600;
}

.sd-status-scheduled { background: #e3f2fd; color: #1565c0; }
.sd-status-checkedin { background: #fff3e0; color: #ef6c00; }
.sd-status-completed { background: #e8f5e9; color: #2e7d32; }
.sd-status-cancelled { background: #ffebee; color: #c62828; }

.sd-selected-patient {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: #f7fafa;
    border: 1px solid #e0eeee;
    border-radius: 6px;
}

.sd-selected-patient strong { display: block; }
.sd-selected-patient .sd-muted { font-size: .88rem; }

.sd-patient-picker-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
}

.sd-patient-picker-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    border: 1px solid #e6e6e6;
    border-radius: 6px;
    text-decoration: none;
    color: var(--sd-text);
    background: #fff;
}

.sd-patient-picker-item:hover {
    border-color: var(--sd-teal);
    background: #f3f8f8;
}

.sd-appt-picker-search,
.sd-appt-picker-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.sd-appt-picker-search .sd-input { flex: 1; min-width: 200px; }

.sd-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.sd-detail-list {
    margin: 0;
    display: grid;
    gap: 10px;
}

.sd-detail-list > div {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 8px;
}

.sd-detail-list dt {
    margin: 0;
    color: var(--sd-muted);
    font-size: .85rem;
}

.sd-detail-list dd {
    margin: 0;
    font-size: .92rem;
}

.sd-table-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.sd-inline-form { display: inline; margin: 0; }

.sd-btn-sm {
    padding: 6px 12px;
    font-size: .82rem;
}

.sd-empty-state {
    text-align: center;
    padding: 32px 20px;
}

.sd-form-card {
    max-width: 1100px;
}

.sd-form-section-title {
    margin: 24px 0 12px;
    font-size: .95rem;
    color: var(--sd-teal-dark);
}

.sd-form-section-title:first-of-type {
    margin-top: 8px;
}

.sd-form-row {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 0 16px;
}

.sd-col-3 { grid-column: span 3; }
.sd-col-4 { grid-column: span 4; }
.sd-col-5 { grid-column: span 5; }
.sd-col-6 { grid-column: span 6; }
.sd-col-12 { grid-column: span 12; }

.sd-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 16px;
}

.sd-form-span-2 { grid-column: span 2; }

.sd-form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

textarea.sd-input {
    resize: vertical;
    min-height: 80px;
}

.sd-visit-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 16px;
}

.sd-visit-nav {
    background: var(--sd-card);
    border: 1px solid var(--sd-border);
    border-radius: 8px;
    padding: 12px 8px;
    align-self: start;
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

.sd-visit-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sd-visit-nav h3 {
    font-size: .8rem;
    text-transform: uppercase;
    color: var(--sd-muted);
    margin: 16px 0 8px;
}

.sd-visit-header {
    background: var(--sd-card);
    border: 1px solid var(--sd-border);
    border-radius: 8px;
    padding: 16px 20px;
}

.sd-visit-patient-name {
    margin: 0 0 12px;
    color: var(--sd-teal-dark);
    font-size: 1.25rem;
}

.sd-visit-header-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px 16px;
}

.sd-visit-header-span {
    grid-column: 1 / -1;
}

.sd-visit-label {
    display: block;
    font-size: .75rem;
    font-weight: 600;
    color: var(--sd-muted);
    text-transform: uppercase;
    letter-spacing: .03em;
    margin-bottom: 2px;
}

.sd-visit-content {
    background: var(--sd-card);
    border: 1px solid var(--sd-border);
    border-radius: 8px;
    padding: 16px 20px;
    min-width: 0;
}

.sd-visit-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.sd-visit-section-header h2 {
    margin: 0;
    color: var(--sd-teal);
    font-size: 1.1rem;
}

.sd-visit-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.sd-visit-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.sd-visit-filter-form {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sd-visit-form-panel {
    background: #f8fbfb;
    border: 1px solid var(--sd-border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.sd-visit-form-panel h3 {
    margin: 0 0 12px;
    font-size: 1rem;
    color: var(--sd-teal-dark);
}

.sd-visit-table .sd-visit-current-row {
    background: #eef9f9;
}

.sd-visit-nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 4px;
    text-decoration: none;
    color: var(--sd-text);
    font-size: .9rem;
}

.sd-visit-nav-link:hover,
.sd-visit-nav-link.active {
    background: #f3f8f8;
    color: var(--sd-teal-dark);
    font-weight: 600;
}

.sd-visit-nav-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #d0d0d0;
    flex-shrink: 0;
}

.sd-visit-nav-dot.has-data {
    background: var(--sd-teal);
}

.sd-visit-billing-bar {
    background: #f3f8f8;
    border: 1px solid var(--sd-border);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
}

.sd-visit-billing-form {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.sd-visit-billing-total strong {
    font-size: 1.1rem;
    color: var(--sd-teal-dark);
}

.sd-checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.sd-inline-form {
    display: inline;
}

.sd-textarea-lg {
    min-height: 120px;
}

.sd-btn-sm {
    padding: 4px 10px;
    font-size: .85rem;
}

.sd-visit-attachment-current {
    margin: 6px 0 0;
    font-size: .85rem;
}

.sd-vitals-form-panel {
    max-width: 420px;
}

.sd-vitals-form {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.sd-vital-field {
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--sd-border);
}

.sd-vital-field-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 6px;
}

.sd-vital-field-header label {
    font-size: .9rem;
    color: var(--sd-muted);
    font-weight: 600;
}

.sd-vital-indicator {
    font-size: .85rem;
    color: var(--sd-muted);
    min-width: 1.5rem;
    text-align: right;
}

.sd-vital-value-box {
    background: #f5f5f5;
    border-radius: 4px;
    padding: 16px 12px 10px;
    transition: background-color .15s ease;
}

.sd-vital-alert-normal { background: #f5f5f5; }
.sd-vital-alert-warning { background: #fff3e0; }
.sd-vital-alert-critical { background: #fef2f2; }

.sd-vital-digit-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.sd-vital-digit {
    width: 44px;
    height: 48px;
    border: none;
    border-bottom: 2px solid #d8d8d8;
    background: #fff;
    border-radius: 4px 4px 0 0;
    text-align: center;
    font-size: 1.35rem;
    font-weight: 700;
    color: #1a1a1a;
    padding: 0;
}

.sd-vital-digit:focus {
    outline: none;
    border-bottom-color: var(--sd-teal);
    box-shadow: 0 0 0 2px rgba(15, 139, 141, .15);
}

.sd-vital-digit::placeholder {
    color: #c8c8c8;
    font-weight: 700;
}

.sd-vital-separator {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1a1a1a;
    padding: 0 2px;
}

.sd-vital-unit {
    margin-top: 8px;
    text-align: center;
    font-size: .8rem;
    color: var(--sd-muted);
    letter-spacing: .04em;
}

.sd-vital-notes {
    border-bottom: none;
    margin-bottom: 0;
}

.sd-vital-notes .sd-input {
    width: 100%;
}

.sd-vital-readonly-value {
    text-align: center;
    font-size: 1.35rem;
    font-weight: 700;
    color: #1a1a1a;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sd-vital-digit-sm {
    width: 36px;
}

.sd-vitals-form .sd-form-actions {
    margin-top: 16px;
}

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

.sd-text-end { text-align: right; }
.sd-text-center { text-align: center; }

.sd-input-readonly {
    background: #eeeeee;
    color: var(--sd-muted);
    cursor: not-allowed;
}

.sd-textarea {
    resize: vertical;
    min-height: 120px;
}

.sd-btn-link {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--sd-primary);
    cursor: pointer;
    font: inherit;
}

.sd-btn-link:hover { text-decoration: underline; }

.sd-billing-filters {
    display: grid;
    grid-template-columns: repeat(3, minmax(140px, 1fr)) auto;
    gap: 12px 16px;
    align-items: end;
    margin-bottom: 16px;
    padding: 12px;
}

.sd-billing-filters .sd-form-group { margin-bottom: 0; }

.sd-billing-apply .sd-btn { min-width: 88px; }

.sd-billing-table-wrap {
    padding: 0;
    overflow: hidden;
    margin-bottom: 16px;
    border: 1px solid var(--sd-primary);
}

.sd-billing-table-wrap .sd-table-wrap {
    border: none;
    border-radius: 0;
    overflow-x: auto;
}

.sd-billing-table {
    min-width: 1100px;
}

.sd-billing-table thead th {
    background: var(--sd-primary);
    color: #fff;
    font-size: .82rem;
    font-weight: 700;
    border-bottom: none;
    white-space: nowrap;
}

.sd-billing-table tbody tr.sd-billing-row-alt {
    background: #f9f9f9;
}

.sd-billing-table tbody tr:hover {
    background: #f0fafafa;
}

.sd-billing-empty {
    text-align: center;
    padding: 24px !important;
}

.sd-billing-totals {
    padding: 12px 14px;
}

.sd-billing-total-paid {
    margin: 0 0 6px;
    font-weight: 700;
    color: #2e7d32;
}

.sd-billing-total-unpaid {
    margin: 0;
    font-weight: 700;
    color: #c62828;
}

.sd-contact-page {
    width: 100%;
}

.sd-contact-title {
    margin: 0 0 8px;
    color: var(--sd-primary);
    font-size: 1.35rem;
}

.sd-contact-intro {
    margin: 0 0 16px;
    color: var(--sd-muted);
    font-size: .92rem;
}

.sd-contact-form-card {
    width: 100%;
    padding: 16px 18px;
}

.sd-contact-form .sd-form-group:last-of-type {
    margin-bottom: 0;
}

.sd-contact-message {
    min-height: 200px;
}

.sd-contact-attachment-summary {
    margin: 0 0 8px;
}

.sd-alert-error-inline {
    color: var(--sd-danger);
}

.sd-contact-attachment-list {
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
    max-height: 160px;
    overflow-y: auto;
}

.sd-contact-attachment-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 8px;
    align-items: center;
    padding: 4px 0;
    font-size: .88rem;
}

.sd-contact-attachment-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sd-contact-attachment-size {
    color: var(--sd-muted);
    font-size: .82rem;
}

.sd-contact-remove {
    color: var(--sd-danger) !important;
    font-size: .82rem;
}

/* Wait overlay (shared) */
body.sd-wait-active {
    overflow: hidden;
}

.sd-wait-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(20, 94, 96, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: sd-wait-fade-in 0.2s ease-out;
}

.sd-wait-overlay[hidden] {
    display: none !important;
}

.sd-wait-dialog {
    width: min(100%, 380px);
    padding: 32px 28px 28px;
    background: #fff;
    border-radius: 12px;
    box-shadow:
        0 24px 48px rgba(15, 139, 141, 0.18),
        0 8px 16px rgba(0, 0, 0, 0.08);
    text-align: center;
    animation: sd-wait-slide-up 0.28s ease-out;
}

.sd-wait-icon-wrap {
    position: relative;
    width: 104px;
    height: 104px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sd-wait-icon-ring {
    position: absolute;
    inset: 0;
    border: 3px solid rgba(15, 139, 141, 0.15);
    border-top-color: var(--sd-teal);
    border-radius: 50%;
    animation: sd-spin 0.9s linear infinite;
}

.sd-wait-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--sd-teal);
    padding: 10px;
    box-shadow: 0 4px 12px rgba(15, 139, 141, 0.25);
}

.sd-wait-title {
    margin: 0 0 8px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sd-teal-dark);
}

.sd-wait-message {
    margin: 0 0 22px;
    font-size: .9rem;
    line-height: 1.5;
    color: var(--sd-muted);
}

.sd-wait-progress {
    height: 4px;
    background: #e8f4f4;
    border-radius: 999px;
    overflow: hidden;
}

.sd-wait-progress-bar {
    height: 100%;
    width: 40%;
    background: linear-gradient(90deg, var(--sd-teal-light), var(--sd-teal));
    border-radius: 999px;
    animation: sd-wait-progress 1.4s ease-in-out infinite;
}

@keyframes sd-wait-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes sd-wait-slide-up {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes sd-wait-progress {
    0% {
        transform: translateX(-120%);
    }
    100% {
        transform: translateX(320%);
    }
}

@keyframes sd-spin {
    to { transform: rotate(360deg); }
}

#sendEmailBtn[aria-busy="true"] {
    cursor: wait;
    opacity: 0.85;
}

@media (max-width: 900px) {
    .sd-billing-filters {
        grid-template-columns: 1fr 1fr;
    }

    .sd-billing-search,
    .sd-billing-apply {
        grid-column: span 2;
    }
}

@media (max-width: 900px) {
    .sd-visit-layout { grid-template-columns: 1fr; }
    .sd-visit-nav { position: static; max-height: none; }
    .sd-form-grid { grid-template-columns: 1fr; }
    .sd-form-span-2 { grid-column: span 1; }
    .sd-form-row > [class*="sd-col-"] { grid-column: span 12; }
    .sd-appt-kpis { grid-template-columns: 1fr; }
    .sd-appt-filters { grid-template-columns: 1fr; }
    .sd-detail-grid { grid-template-columns: 1fr; }
    .sd-appt-table-wrap { font-size: .85rem; }
    .sd-dash-actions { grid-template-columns: 1fr; }
    .sd-dash-toolbar-row { flex-wrap: wrap; }
    .sd-dash-period-title { order: 3; width: 100%; text-align: center; margin-top: 4px; }
    .sd-dash-view-modes { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
}

/* Dashboard */
.sd-dashboard {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sd-dash-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.sd-dash-actions .sd-btn {
    text-align: center;
    justify-content: center;
}

.sd-dash-toolbar {
    padding: 12px 14px;
}

.sd-dash-toolbar-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.sd-dash-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 4px;
    color: #333;
    font-size: 1.35rem;
    line-height: 1;
    text-decoration: none;
    background: transparent;
}

.sd-dash-nav-btn:hover {
    background: #f5f5f5;
}

.sd-dash-period-title {
    flex: 1;
    font-size: 1.15rem;
    font-weight: 700;
    color: #1a1a1a;
}

.sd-dash-today-btn {
    font-size: .75rem;
    padding: 6px 14px;
}

.sd-dash-view-modes {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.sd-dash-view-btn {
    display: inline-block;
    padding: 6px 12px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    background: #fff;
    color: #555;
    font-size: .75rem;
    font-weight: 600;
    text-decoration: none;
}

.sd-dash-view-btn:hover {
    border-color: var(--sd-teal);
    color: var(--sd-teal);
}

.sd-dash-view-btn.is-selected {
    background: #f2fbfb;
    border-color: #1565c0;
    color: #1565c0;
}

.sd-dash-main {
    padding: 0;
    overflow: hidden;
    min-height: 420px;
}

.sd-dash-legend {
    padding: 10px 14px;
}

.sd-dash-legend-items {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.sd-dash-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .72rem;
    color: var(--sd-muted);
}

.sd-dash-legend-swatch {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    flex-shrink: 0;
}

/* Scheduler */
.sd-dash-scheduler {
    display: flex;
    flex-direction: column;
    min-height: 420px;
}

.sd-dash-sched-header {
    display: grid;
    grid-template-columns: 68px repeat(var(--sd-dash-day-count), minmax(80px, 1fr));
    align-items: end;
    padding: 4px 0 8px;
    border-bottom: 1px solid #ececec;
}

.sd-dash-sched-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 6px;
    padding: 4px 6px;
    background: #f3f3f3;
    border-radius: 6px;
}

.sd-dash-sched-badge-label {
    font-size: .58rem;
    color: #888;
    text-transform: uppercase;
    letter-spacing: .02em;
}

.sd-dash-sched-badge-value {
    font-size: .95rem;
    font-weight: 700;
    color: #333;
}

.sd-dash-day-head {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding-bottom: 2px;
}

.sd-dash-day-letter {
    font-size: .68rem;
    color: #9e9e9e;
    font-weight: 600;
}

.sd-dash-day-number {
    font-size: .88rem;
    color: #333;
    padding: 2px 8px;
    border-radius: 10px;
}

.sd-dash-day-head.is-today .sd-dash-day-number {
    background: #e8f6f6;
    color: var(--sd-teal);
    font-weight: 700;
}

.sd-dash-sched-scroll {
    overflow: auto;
    flex: 1;
    max-height: min(70vh, 720px);
}

.sd-dash-sched-body {
    display: flex;
    min-width: 640px;
}

.sd-dash-time-col {
    width: 68px;
    flex-shrink: 0;
    border-right: 1px solid #ececec;
}

.sd-dash-hour-label {
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 0 6px;
    font-size: .62rem;
    color: #9e9e9e;
    box-sizing: border-box;
    border-bottom: 1px solid #ececec;
}

.sd-dash-day-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(var(--sd-dash-day-count), minmax(80px, 1fr));
}

.sd-dash-day-col {
    position: relative;
    border-right: 1px solid #ececec;
}

.sd-dash-day-col:last-child {
    border-right: none;
}

.sd-dash-hour-line {
    border-bottom: 1px solid #ececec;
    box-sizing: border-box;
}

.sd-dash-appt-block {
    position: absolute;
    z-index: 2;
    border-radius: 5px;
    padding: 4px 5px;
    overflow: hidden;
    color: #fff;
    font-size: .62rem;
    line-height: 1.25;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

.sd-dash-appt-title {
    display: block;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sd-dash-appt-subtitle {
    display: block;
    margin-top: 2px;
    font-size: .55rem;
    opacity: .9;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sd-dash-now-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: #e53935;
    z-index: 3;
    pointer-events: none;
}

.sd-dash-now-line::before {
    content: '';
    position: absolute;
    left: 0;
    top: -3px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #e53935;
}

.sd-dash-now-line[hidden] {
    display: none !important;
}

/* Agenda */
.sd-dash-agenda {
    padding: 8px 0 12px;
    max-height: min(70vh, 720px);
    overflow-y: auto;
}

.sd-dash-agenda-empty {
    padding: 48px 24px;
    text-align: center;
}

.sd-dash-agenda-empty-title {
    margin: 0 0 8px;
    font-weight: 700;
    color: var(--sd-muted);
}

.sd-dash-agenda-empty-text {
    margin: 0;
    color: #999;
    font-size: .92rem;
}

.sd-dash-agenda-group {
    margin-bottom: 8px;
}

.sd-dash-agenda-date {
    margin: 12px 12px 8px;
    font-size: .88rem;
    font-weight: 700;
    color: #1a1a1a;
}

.sd-dash-agenda-card {
    display: grid;
    grid-template-columns: 4px 1fr;
    gap: 12px;
    margin: 0 12px 8px;
    padding: 12px;
    background: #fff;
    border: 1px solid #ececec;
    border-radius: 8px;
}

.sd-dash-agenda-accent {
    border-radius: 2px;
}

.sd-dash-agenda-patient {
    margin: 0 0 4px;
    font-weight: 700;
    font-size: .88rem;
    color: #1a1a1a;
}

.sd-dash-agenda-time {
    margin: 0 0 4px;
    font-size: .75rem;
    color: var(--sd-muted);
}

.sd-dash-agenda-meta {
    margin: 0;
    font-size: .68rem;
}

.sd-dash-agenda-service {
    color: var(--sd-teal);
}

.sd-dash-agenda-dot {
    color: #ccc;
    margin: 0 4px;
}

.sd-dash-agenda-status {
    color: #888;
}

.sd-admin-status {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 600;
}

.sd-admin-status-on {
    background: #e8f5e9;
    color: #2e7d32;
}

.sd-admin-status-off {
    background: #ffebee;
    color: #c62828;
}

.sd-pwa-install {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--sd-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
}

.sd-pwa-install-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.sd-pwa-install-text strong {
    font-size: .95rem;
}

.sd-pwa-install-text span {
    font-size: .85rem;
    color: var(--sd-muted);
}

.sd-pwa-install-actions {
    display: flex;
    flex-shrink: 0;
    gap: 8px;
}

@media (max-width: 640px) {
    .sd-pwa-install {
        flex-direction: column;
        align-items: stretch;
    }

    .sd-pwa-install-actions {
        justify-content: stretch;
    }

    .sd-pwa-install-actions .sd-btn {
        flex: 1;
    }
}

.sd-pwa-install-page {
    max-width: 640px;
}

.sd-pwa-install-hero {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.sd-pwa-install-hero h3 {
    margin: 0 0 6px;
}

.sd-pwa-install-hero img {
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
}

.sd-pwa-install-steps {
    margin-top: 20px;
}

.sd-pwa-install-steps ul {
    margin: 0;
    padding-left: 20px;
    color: var(--sd-muted);
}

.sd-pwa-install-steps li {
    margin-bottom: 10px;
}

.sd-pwa-install-note {
    margin-top: 20px;
    font-size: .85rem;
}