/* HCAF CRM - Healthcare Contact Center Orchestration Service
   Modern, clean design with healthcare color scheme */

/* ===== CSS Variables ===== */
:root {
    /* Primary Colors - Healthcare Blue */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Status Colors */
    --success-500: #22c55e;
    --success-600: #16a34a;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --error-500: #ef4444;
    --error-600: #dc2626;
    --info-500: #06b6d4;
    --info-600: #0891b2;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Typography */
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--gray-900);
    background-color: var(--gray-50);
    min-height: 100vh;
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

/* ===== Navigation ===== */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-700);
    font-weight: 600;
    font-size: 1.25rem;
    text-decoration: none;
}

.brand-link:hover {
    color: var(--primary-800);
}

.brand-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-600);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-600);
    background-color: var(--primary-50);
}

.nav-link.active {
    color: var(--primary-700);
    background-color: var(--primary-100);
}

.nav-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.version-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--gray-500);
}

.version {
    font-weight: 500;
}

.version-stacked {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.2;
    font-size: 0.7rem;
}

.version-date,
.version-hash {
    white-space: nowrap;
}

.commit {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 2px 6px;
    background-color: var(--gray-100);
    border-radius: var(--radius-sm);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    color: white;
    background-color: var(--primary-600);
}

.btn-primary:hover {
    background-color: var(--primary-700);
}

.btn-secondary {
    color: var(--gray-700);
    background-color: var(--gray-100);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
}

.btn-outline {
    color: var(--gray-600);
    background-color: transparent;
    border: 1px solid var(--gray-300);
}

.btn-outline:hover {
    color: var(--gray-800);
    background-color: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-success {
    color: white;
    background-color: var(--success-600);
}

.btn-success:hover {
    background-color: var(--success-500);
}

.btn-error {
    color: white;
    background-color: var(--error-600);
}

.btn-error:hover {
    background-color: var(--error-500);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== Content Area ===== */
.content {
    padding: var(--spacing-xl);
    max-width: 1800px;
    margin: 0 auto;
}

.content.full-width {
    max-width: none;
}

.content.centered {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 70px);
}

.content.login-page {
    padding: 0;
    max-width: none;
}

/* ===== Cards ===== */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    background-color: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.card-header h2, .card-header h3 {
    margin: 0;
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-error {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--error-600);
}

/* ===== Login Page ===== */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-2xl);
}

.login-card h1 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
}

.login-card .subtitle {
    margin: 0 0 var(--spacing-xl) 0;
    color: var(--gray-500);
    text-align: center;
}

.login-form .btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

.login-error {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
    color: var(--error-600);
    font-size: 0.875rem;
}

.login-info {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    text-align: center;
}

.login-info p {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.login-info code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    padding: 2px 6px;
    background-color: var(--gray-100);
    border-radius: var(--radius-sm);
}

/* ===== Demo Page ===== */
.demo-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-lg);
    min-height: calc(100vh - 130px);
}

.demo-main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.demo-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Two-column results row: Patient Lookup Results (left), Scheduling Options (right) */
.demo-results-row {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-md);
    align-items: start;
}

.demo-results-left {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.demo-results-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.scheduling-options-card .card-body {
    min-height: 120px;
}

.provider-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.provider-card {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    opacity: 0;
    animation: provider-card-fade-in 0.4s ease-out forwards;
}

.provider-card:nth-child(1) { animation-delay: 0.05s; }
.provider-card:nth-child(2) { animation-delay: 0.15s; }
.provider-card:nth-child(3) { animation-delay: 0.25s; }
.provider-card:nth-child(4) { animation-delay: 0.35s; }
.provider-card:nth-child(5) { animation-delay: 0.45s; }
.provider-card:nth-child(6) { animation-delay: 0.55s; }
.provider-card:nth-child(7) { animation-delay: 0.65s; }
.provider-card:nth-child(8) { animation-delay: 0.75s; }

@keyframes provider-card-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.provider-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--gray-200);
}

.provider-card-name {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--primary-800);
    margin: 0;
}

.provider-card-id {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--gray-500);
    white-space: nowrap;
}

.provider-card-section {
    margin-bottom: var(--spacing-sm);
}

.provider-card-section:last-child {
    margin-bottom: 0;
}

.provider-card-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: 2px;
}

.provider-card-value {
    font-size: 0.875rem;
    color: var(--gray-800);
    line-height: 1.4;
}

.provider-card-explanation {
    font-size: 0.8125rem;
    color: var(--gray-600);
    font-style: italic;
    margin-top: var(--spacing-sm);
}

/* Epic 4 S04: eligibility states */
.provider-card-eligibility {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--gray-200);
    font-size: 0.875rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.provider-card.evaluating .provider-card-eligibility {
    color: var(--gray-600);
}

.eligibility-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: eligibility-spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

.provider-card.eligible .eligibility-spinner,
.provider-card.ineligible .eligibility-spinner,
.provider-card.error .eligibility-spinner {
    display: none;
}

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

.eligibility-label {
    font-weight: 600;
}

.eligibility-label.eligibility-checking {
    color: var(--gray-600);
}

.eligibility-label.eligibility-eligible {
    color: var(--success-600);
}

.eligibility-label.eligibility-ineligible {
    color: var(--error-600);
}

.eligibility-label.eligibility-error {
    color: var(--warning-600);
}

.eligibility-reason {
    font-size: 0.8125rem;
    color: var(--gray-600);
    font-weight: normal;
}

.provider-card.discovered {
    border-left: 3px solid var(--primary-400);
}

.provider-card.evaluating {
    border-left: 3px solid var(--gray-300);
}

.provider-card.eligible {
    border: 2px solid var(--success-500);
    border-left-width: 4px;
}

.provider-card.ineligible {
    border: 2px solid var(--error-500);
    border-left-width: 4px;
}

.provider-card.error {
    border: 2px solid var(--warning-500);
    border-left-width: 4px;
}

.call-form-row {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.call-form-row .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 180px;
}

.call-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    flex-shrink: 0;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.status-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-connected {
    background-color: #dcfce7;
    color: var(--success-600);
}

.status-connected::before {
    background-color: var(--success-500);
}

.status-disconnected {
    background-color: #fee2e2;
    color: var(--error-600);
}

.status-disconnected::before {
    background-color: var(--error-500);
}

.status-pending {
    background-color: #fef3c7;
    color: var(--warning-600);
}

.status-pending::before {
    background-color: var(--warning-500);
}

/* ===== Patient Info Panel ===== */
.patient-panel {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.patient-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.patient-header h3 {
    margin: 0;
    font-weight: 600;
}

.patient-body {
    padding: var(--spacing-lg);
}

.patient-field {
    margin-bottom: var(--spacing-md);
}

.patient-field:last-child {
    margin-bottom: 0;
}

.patient-field label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: var(--spacing-xs);
}

.patient-field .value {
    font-size: 1rem;
    color: var(--gray-900);
}

.patient-field .value.loading {
    color: var(--gray-400);
    font-style: italic;
}

.patient-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.patient-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.patient-section h4 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== Session Info ===== */
.session-info {
    display: flex;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    padding: var(--spacing-md);
    background-color: var(--gray-50);
    border-radius: var(--radius-md);
}

.session-detail {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.session-detail .label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
}

.session-detail .value {
    font-size: 0.875rem;
    color: var(--gray-900);
}

.session-detail .value.mono {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
}

/* ===== Results Area ===== */
.results-area {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.result-entry {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--gray-300);
    background-color: var(--gray-50);
}

.result-entry.result-success {
    border-left-color: var(--success-500);
    background-color: #f0fdf4;
}

.result-entry.result-error {
    border-left-color: var(--error-500);
    background-color: #fef2f2;
}

.result-entry.result-pending {
    border-left-color: var(--warning-500);
    background-color: #fffbeb;
}

.result-entry.result-cached {
    border-left-color: var(--info-500);
    background-color: #ecfeff;
}

.result-entry.result-info {
    border-left-color: var(--gray-400);
    background-color: var(--gray-50);
}

.result-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.result-source {
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: capitalize;
}

.result-event {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--gray-500);
}

.result-status {
    margin-left: auto;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.result-status.status-success {
    background-color: #dcfce7;
    color: var(--success-600);
}

.result-status.status-error {
    background-color: #fee2e2;
    color: var(--error-600);
}

.result-status.status-pending {
    background-color: #fef3c7;
    color: var(--warning-600);
}

.result-status.status-cached {
    background-color: #cffafe;
    color: var(--info-600);
}

.result-status.status-info {
    background-color: var(--gray-200);
    color: var(--gray-600);
}

.result-message {
    font-size: 0.875rem;
    color: var(--gray-700);
}

.result-data {
    margin-top: var(--spacing-sm);
    font-size: 0.8125rem;
}

.result-data pre {
    margin: 0;
    padding: var(--spacing-sm);
    background-color: white;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 150px;
    overflow-y: auto;
}

/* ===== Event Log Panel ===== */
.event-log {
    background: var(--gray-900);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.event-log-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--gray-800);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.event-log-header h3 {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-300);
}

.event-log-body {
    padding: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.6;
}

.event-entry {
    padding: var(--spacing-xs) 0;
    color: var(--gray-400);
}

.event-entry .timestamp {
    color: var(--gray-600);
}

.event-entry .type {
    color: var(--info-500);
}

.event-entry.event-success .type {
    color: var(--success-500);
}

.event-entry.event-error .type {
    color: var(--error-500);
}

.event-entry.event-warning .type {
    color: var(--warning-500);
}

/* ===== Logs Page ===== */
.logs-filters {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

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

.logs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.logs-table th,
.logs-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.logs-table th {
    font-weight: 600;
    color: var(--gray-700);
    background-color: var(--gray-50);
}

.logs-table tr:hover {
    background-color: var(--gray-50);
}

.logs-table .event-type {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    padding: 2px 6px;
    background-color: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-sm);
}

.logs-table .timestamp {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* ===== About Page ===== */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.about-content h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
}

.about-content p {
    color: var(--gray-600);
    line-height: 1.75;
}

.about-content ul {
    color: var(--gray-600);
    line-height: 1.75;
    padding-left: var(--spacing-xl);
}

/* ===== History Items ===== */
.history-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

.history-item:last-child {
    border-bottom: none;
}

.history-item .patient-field {
    margin-bottom: var(--spacing-xs);
}

.history-item .patient-field:last-child {
    margin-bottom: 0;
}

/* ===== Utilities ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-success { color: var(--success-600); }
.text-error { color: var(--error-600); }
.text-warning { color: var(--warning-600); }
.text-info { color: var(--info-600); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.hidden { display: none !important; }

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ===== Epic 6 S7: Reason Input ===== */
.reason-input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.reason-input {
    flex: 1;
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-md);
}

.reason-input:disabled {
    background-color: var(--gray-100);
    color: var(--gray-600);
    cursor: not-allowed;
}

.reason-submit-btn {
    flex-shrink: 0;
}

.reason-status {
    margin-top: var(--spacing-sm);
    font-size: 0.8125rem;
    color: var(--gray-500);
    font-style: italic;
}

/* ===== Epic 6 S7: Thinking Panel ===== */
.thinking-panel {
    border-left: 4px solid var(--primary-400);
}

.thinking-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.thinking-header h3 {
    flex: 1;
    margin: 0;
}

.thinking-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2.5px solid var(--gray-300);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    flex-shrink: 0;
}

.thinking-spinner.active {
    display: inline-block;
    animation: eligibility-spin 0.8s linear infinite;
}

.thinking-toggle {
    padding: 2px 8px;
    font-size: 0.75rem;
    line-height: 1;
    flex-shrink: 0;
    cursor: pointer;
}

.thinking-body {
    max-height: 280px;
    overflow-y: auto;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.thinking-body.collapsed {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    overflow: hidden;
}

.thinking-text {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.65;
    color: var(--gray-600);
    white-space: pre-wrap;
    word-break: break-word;
}

/* ===== Epic 6 S7: Specialty Matches ===== */
.specialty-matches {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.specialty-match-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background-color: var(--gray-50);
    border: 1px solid var(--gray-200);
}

.specialty-match-rank {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background-color: var(--primary-100);
    color: var(--primary-700);
    font-weight: 700;
    font-size: 0.8125rem;
}

.specialty-match-content {
    flex: 1;
    min-width: 0;
}

.specialty-match-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.specialty-match-name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--gray-900);
}

.specialty-match-confidence {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.specialty-match-confidence.confidence-high {
    background-color: #dcfce7;
    color: var(--success-600);
}

.specialty-match-confidence.confidence-medium {
    background-color: #fef3c7;
    color: var(--warning-600);
}

.specialty-match-confidence.confidence-low {
    background-color: #fee2e2;
    color: var(--error-600);
}

.specialty-match-reasoning {
    font-size: 0.8125rem;
    color: var(--gray-600);
    line-height: 1.5;
}

/* ===== Epic 6 S7: Provider Card Address ===== */
.provider-card-address {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* ===== Epic 6 S7: Flow Complete Summary ===== */
.flow-complete-details {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.flow-stat {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background-color: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.flow-stat-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
}

.flow-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-700);
}

/* ===== Epic 10 S9: Slot Discovery Display ===== */
.slot-container {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--gray-200);
}

.slot-section {
    font-size: 0.8125rem;
}

.slot-header {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-600);
    margin-bottom: var(--spacing-sm);
}

.slot-date-group {
    margin-bottom: var(--spacing-sm);
}

.slot-date-group:last-child {
    margin-bottom: 0;
}

.slot-date-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 4px;
}

.slot-times {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.time-chip {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-700);
    background-color: var(--primary-50);
    border: 1px solid var(--primary-200);
    border-radius: 12px;
    white-space: nowrap;
}

.slot-loading {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-500);
    font-size: 0.8125rem;
}

.slot-loading .slot-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary-400);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.slot-empty {
    color: var(--gray-500);
    font-size: 0.8125rem;
    font-style: italic;
}

.slot-error {
    color: var(--error-600);
    font-size: 0.8125rem;
}

.slot-not-configured {
    color: var(--gray-400);
    font-size: 0.8125rem;
    font-style: italic;
}

/* ===== Epic 13 S4: Date Range Controls ===== */
.sched-date-radios {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.85rem;
}

.sched-date-radios label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    color: var(--gray-700);
    white-space: nowrap;
}

.sched-date-radios input[type="radio"] {
    margin: 0;
    accent-color: var(--primary-600);
}

.sched-validation-msg {
    font-size: 0.82rem;
    color: var(--error-600);
    margin-top: 2px;
    margin-bottom: var(--spacing-sm);
}

/* ===== Epic 13 S5: Enriched Provider Indicators ===== */
.enriched-provider {
    color: var(--success-600);
    font-weight: 600;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .demo-layout {
        grid-template-columns: 1fr;
    }
    
    .demo-results-row {
        grid-template-columns: 1fr;
    }
    
    .provider-cards {
        grid-template-columns: 1fr;
    }
    
    .demo-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    
    .nav-meta {
        gap: var(--spacing-sm);
    }
    
    .version-info {
        display: none;
    }
    
    .content {
        padding: var(--spacing-md);
    }
}

/* ===== Documentation Pages (Epic 8) ===== */

.docs-page {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.docs-header {
    margin-bottom: var(--spacing-xl);
}

.docs-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.docs-subtitle {
    color: var(--gray-500);
    font-size: 0.95rem;
}

.docs-breadcrumb {
    font-size: 0.88rem;
    margin-bottom: var(--spacing-sm);
}

.docs-breadcrumb a {
    color: var(--primary-600);
    text-decoration: none;
}

.docs-breadcrumb a:hover {
    text-decoration: underline;
}

/* Landing page cards */
.docs-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.docs-card {
    display: block;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.docs-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-md);
}

.docs-card-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.docs-card h2 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.docs-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.55;
    margin-bottom: var(--spacing-md);
}

.docs-card-link {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--primary-600);
}

/* Guide pages */
.docs-guide h2 {
    font-size: 1.35rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--primary-500);
    color: var(--primary-800);
}

.docs-guide h3 {
    font-size: 1.05rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-800);
}

.docs-guide h4 {
    font-size: 0.95rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.docs-guide p {
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

/* TOC */
.docs-toc {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.docs-toc h3 {
    margin-top: 0;
    font-size: 0.95rem;
    border: none;
}

.docs-toc ul {
    list-style: none;
    padding: 0;
    margin: 0;
    columns: 2;
    column-gap: var(--spacing-xl);
}

.docs-toc li {
    padding: 0.15rem 0;
}

.docs-toc a {
    font-size: 0.88rem;
    color: var(--primary-600);
    text-decoration: none;
}

.docs-toc a:hover {
    text-decoration: underline;
}

.docs-toc-count {
    color: var(--gray-400);
    font-size: 0.82rem;
}

/* Card sections */
.docs-card-section {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* Tables */
.docs-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-sm) 0;
    font-size: 0.88rem;
}

.docs-table th,
.docs-table td {
    text-align: left;
    padding: 0.4rem 0.6rem;
    border-bottom: 1px solid var(--gray-200);
}

.docs-table th {
    background: var(--gray-50);
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--gray-500);
}

/* Code */
.docs-code {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    overflow-x: auto;
    font-size: 0.82rem;
    font-family: var(--font-mono);
    line-height: 1.5;
    margin: var(--spacing-sm) 0;
}

.docs-guide code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.docs-guide p code,
.docs-guide li code,
.docs-guide td code {
    background: var(--gray-100);
    padding: 0.1rem 0.3rem;
    border-radius: var(--radius-sm);
}

/* Badges */
.docs-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.docs-badge-get { background: var(--success-600); }
.docs-badge-post { background: var(--primary-600); }
.docs-badge-put { background: var(--warning-600); }
.docs-badge-delete { background: var(--error-600); }
.docs-badge-cached { background: var(--success-600); font-size: 0.68rem; }
.docs-badge-not-cached { background: var(--gray-400); font-size: 0.68rem; }
.docs-badge-required { background: var(--error-500); font-size: 0.68rem; padding: 0.1rem 0.35rem; }
.docs-badge-optional { background: var(--gray-400); font-size: 0.68rem; padding: 0.1rem 0.35rem; }
.docs-badge-send { background: var(--primary-600); font-size: 0.68rem; }
.docs-badge-receive { background: var(--success-600); font-size: 0.68rem; }

/* Endpoint cards */
.docs-endpoint-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.docs-ep-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.docs-action-id {
    font-weight: 700;
    font-size: 1rem;
    font-family: var(--font-mono);
}

.docs-action-name {
    font-weight: 600;
    font-size: 1rem;
}

.docs-url-template {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--gray-500);
    background: var(--gray-50);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    word-break: break-all;
}

.docs-muted {
    color: var(--gray-500);
    font-size: 0.88rem;
}

.docs-cat-header {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
}

.docs-cat-count {
    color: var(--gray-400);
    font-size: 0.85rem;
    font-weight: 400;
}

/* Schema blocks */
.docs-schema-block {
    border-top: 1px solid var(--gray-200);
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.docs-schema-label {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--gray-400);
    margin-left: var(--spacing-xs);
}

/* Download buttons */
.docs-download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.docs-download-btn {
    display: inline-block;
    padding: 0.55rem 1.25rem;
    background: var(--primary-600);
    color: white;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    transition: background var(--transition-fast);
}

.docs-download-btn:hover {
    background: var(--primary-500);
    color: white;
}

.docs-download-btn:visited {
    color: white;
}

/* Phase headings (S5 call flow event groupings) */
.docs-phase-heading {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--primary-200);
    color: var(--primary-700);
    font-size: 1.05rem;
    font-weight: 600;
}

/* Workflow sequence diagram (S5) */
.docs-sequence {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    line-height: 1.7;
}

.docs-seq-group {
    padding-left: 0;
}

.docs-seq-client {
    font-weight: 700;
    color: var(--primary-700);
}

.docs-seq-server {
    padding-left: 1.5rem;
    color: var(--success-700);
}

.docs-seq-repeat {
    color: var(--gray-400);
    font-weight: 400;
    font-style: italic;
    font-size: 0.82rem;
}

.docs-seq-divider {
    height: 1px;
    margin: var(--spacing-xs) 1.5rem;
    background: var(--gray-200);
}

/* TOC count badges */
.docs-toc-count {
    color: var(--gray-400);
    font-size: 0.82rem;
    font-weight: 400;
}

/* Footer */
.docs-footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
    color: var(--gray-400);
    font-size: 0.8rem;
    text-align: center;
}

/* Responsive */
@media (max-width: 640px) {
    .docs-toc ul {
        columns: 1;
    }

    .docs-ep-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .docs-cards {
        grid-template-columns: 1fr;
    }

    .docs-download-buttons {
        flex-direction: column;
    }
}