/* AIE™ v1.0.0 — Core Stylesheet */
/* Clinical Clarity > Aesthetics */

:root {
    /* Color Palette - Medical Safety Hierarchy */
    --color-primary: #004085;
    --color-danger: #d32f2f;
    --color-warning: #f57c00;
    --color-success: #388e3c;
    --color-info: #0288d1;
    
    --color-bg: #ffffff;
    --color-surface: #f5f5f5;
    --color-border: #e0e0e0;
    --color-text: #212121;
    --color-text-secondary: #757575;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-large: 20px;
    --font-size-xlarge: 24px;
    --line-height: 1.5;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Borders */
    --border-radius: 4px;
    --border-width: 1px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Application Layout */
#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    margin-bottom: var(--spacing-sm);
}

.app-title {
    font-size: var(--font-size-xlarge);
    font-weight: 700;
    margin: 0;
}

.app-subtitle {
    font-size: var(--font-size-base);
    font-weight: 400;
    opacity: 0.9;
    margin: 0;
}

.phase-indicator {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
}

/* Main Content */
.content-area {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

/* Footer */
.app-footer {
    background-color: var(--color-surface);
    border-top: var(--border-width) solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.version {
    font-weight: 600;
    color: var(--color-primary);
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.status-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-success);
}

/* V01.1: DEPRECATED - Patient Demographics Banner (removed in V01.3) */
/* V01.3 uses case-context-bar instead (cyan banner with MRN-first format) */
/*
.patient-banner {
    background: linear-gradient(135deg, #004085 0%, #0056b3 100%);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-bottom: 2px solid #003366;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.patient-banner-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    flex-wrap: wrap;
    flex: 1;
}

.patient-banner-label {
    font-weight: 600;
    opacity: 0.9;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
}

.patient-banner-value {
    font-weight: 700;
    font-size: 15px;
}

.patient-banner-separator {
    opacity: 0.5;
    margin: 0 var(--spacing-xs);
}
*/

/* V01.2: DEPRECATED - EXIT button removed (use Save & Pause in sticky action bar) */
/*
.btn-exit {
    background-color: #ff9800;
    color: white;
    border: 2px solid #f57c00;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-exit:hover {
    background-color: #f57c00;
    border-color: #e65100;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.btn-exit:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}
*/

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

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 64, 133, 0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--color-danger);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 14px;
    color: var(--color-danger);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background-color: #003366;
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #b71c1c;
}

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

.btn-warning:hover:not(:disabled) {
    background-color: #e65100;
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: #e0e0e0;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-large);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Button Groups */
.btn-group {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Cards */
.card {
    background-color: white;
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-size: var(--font-size-large);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

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

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

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
}

.alert-danger {
    background-color: #ffebee;
    border-left-color: var(--color-danger);
    color: #b71c1c;
}

.alert-warning {
    background-color: #fff3e0;
    border-left-color: var(--color-warning);
    color: #e65100;
}

.alert-info {
    background-color: #e3f2fd;
    border-left-color: var(--color-info);
    color: #01579b;
}

.alert-success {
    background-color: #e8f5e9;
    border-left-color: var(--color-success);
    color: #1b5e20;
}

/* Modal - Hard Stop */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    position: relative;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: var(--border-width) solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.modal-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.modal-icon.warning {
    background-color: #fff3e0;
    color: var(--color-warning);
}

.modal-icon.warning::before {
    content: '⚠️';
}

.modal-icon.danger {
    background-color: #ffebee;
    color: var(--color-danger);
}

.modal-icon.danger::before {
    content: '🛑';
}

.modal-title {
    font-size: var(--font-size-large);
    font-weight: 700;
    margin: 0;
}

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

.modal-reason {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.modal-recommendation {
    padding: var(--spacing-md);
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    font-weight: 600;
}

.modal-recommendation strong {
    color: var(--color-primary);
}

.modal-actions {
    padding: var(--spacing-lg);
    border-top: var(--border-width) solid var(--color-border);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.modal-actions .btn {
    flex: 1;
    min-width: 120px;
}

/* Override Panel (for Tier 2 hard stops) */
.override-panel {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: #fff3e0;
    border: 2px solid var(--color-warning);
    border-radius: var(--border-radius);
}

.override-panel.hidden {
    display: none;
}

.override-panel label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-warning);
}

.override-panel textarea {
    width: 100%;
    min-height: 80px;
    padding: var(--spacing-sm);
    border: var(--border-width) solid var(--color-warning);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    resize: vertical;
}

.override-panel .btn {
    margin-top: var(--spacing-sm);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.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); }

.font-bold {
    font-weight: 700;
}

.text-danger {
    color: var(--color-danger);
}

.text-warning {
    color: var(--color-warning);
}

.text-success {
    color: var(--color-success);
}

.text-primary {
    color: var(--color-primary);
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus Styles */
*:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Responsive */
@media (max-width: 768px) {
    .content-area {
        padding: var(--spacing-md);
    }
    
    /* V01.1: Patient banner mobile responsive */
    .patient-banner-content {
        font-size: 12px;
        gap: 6px;
    }
    
    .patient-banner-label {
        font-size: 10px;
    }
    
    .patient-banner-value {
        font-size: 13px;
    }
    
    /* V01.2: EXIT button mobile responsive */
    .btn-exit {
        font-size: 11px;
        padding: 6px 12px;
    }
    
    /* FIX #1: Force all buttons full-width stacked on mobile */
    .btn,
    button:not(.status-indicator button):not(.btn-exit) {
        width: 100% !important;
        box-sizing: border-box;
        margin-bottom: var(--spacing-sm);
    }
    
    .btn-group {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn-group .btn {
        width: 100%;
        margin-bottom: 0;
    }
    
    /* FIX #1: Stack all button groups and form actions */
    .button-group,
    .form-actions,
    .modal-actions {
        display: flex !important;
        flex-direction: column !important;
        gap: 12px;
        width: 100%;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .modal-actions .btn {
        width: 100%;
        margin-bottom: 0;
    }
    
    /* FIX #2: Card overflow fixes - buttons must stay inside */
    .card,
    .form-card,
    .modal-content {
        overflow: visible !important;
        padding: 16px;
        box-sizing: border-box;
    }
    
    /* FIX #5: Bottom spacing for action buttons - prevent footer overlap */
    .phase-actions,
    .workflow-actions,
    .case-actions {
        margin-bottom: 80px !important;
        padding-bottom: var(--spacing-lg);
    }
}

/* Print Styles */
@media print {
    .app-header,
    .app-footer,
    .btn,
    .modal {
        display: none !important;
    }
}

/* Navigation Breadcrumbs (P6) */
.navigation-breadcrumbs {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: #f5f5f5;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* Home Dashboard (P6) */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) 0;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
}

.dashboard-branding {
    flex: 1;
}

.dashboard-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--color-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.dashboard-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin: 0;
}

.dashboard-info {
    display: flex;
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.info-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    border-left: 4px solid var(--color-border);
}

.stat-card.stat-active {
    border-left-color: var(--color-primary);
}

.stat-card.stat-completed {
    border-left-color: var(--color-success);
}

.stat-card.stat-today {
    border-left-color: var(--color-info);
}

.stat-value {
    font-size: 48px;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dashboard-actions,
.dashboard-recent {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--spacing-lg) 0;
}

.action-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.action-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 2px solid transparent;
}

.action-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.action-card.action-primary {
    border-color: var(--color-primary);
}

.action-card.action-primary:hover {
    background-color: #e3f2fd;
}

.action-card.action-secondary {
    border-color: var(--color-border);
}

.action-card.action-secondary:hover {
    background-color: #f5f5f5;
}

.action-card.action-success {
    border-color: var(--color-success);
}

.action-card.action-success:hover {
    background-color: #E8F5E9;
}

.action-title {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-text);
}

.action-description {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.5;
}

.recent-table {
    width: 100%;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.recent-table thead {
    background-color: var(--color-surface);
}

.recent-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 700;
    font-size: 13px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.recent-table td {
    padding: var(--spacing-md);
    font-size: 15px;
    border-bottom: 1px solid var(--color-border);
}

.recent-table tbody tr:hover {
    background-color: #f5f5f5;
}

.no-data {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-secondary);
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.dashboard-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.system-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* LEVEL C: Dashboard Enhancements */
@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .dashboard-title {
        font-size: 36px;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .action-cards {
        grid-template-columns: 1fr;
    }
    
    .action-title {
        font-size: 18px;
    }
    
    .action-description {
        font-size: 13px;
    }
    
    .recent-table {
        font-size: 13px;
    }
    
    .recent-table th,
    .recent-table td {
        padding: var(--spacing-sm);
    }
    
    .system-info {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xs);
    }
}

/* Enhanced Breadcrumbs (LEVEL C) */
.navigation-breadcrumbs {
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(to right, #f8f9fa, #e9ecef);
    border-bottom: 2px solid #dee2e6;
    font-size: 14px;
    color: #495057;
    font-weight: 500;
}

.breadcrumb-separator {
    margin: 0 8px;
    color: #6c757d;
}

/* Icons Legend (LEVEL C) */
.icons-legend {
    background-color: #fff;
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.icons-legend h3 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 18px;
    color: var(--color-text);
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-surface);
    border-radius: 4px;
}

.legend-icon {
    font-size: 20px;
}

.legend-text {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ========================================
   BRANDING LAYER (UI Only)
   Logo, About Modal, Footer
   ======================================== */

/* Logo in Header */
.app-logo {
    width: 48px;
    height: 48px;
    margin-right: var(--spacing-md);
    object-fit: contain;
}

.header-content {
    display: flex;
    align-items: center;
    width: 100%;
    gap: var(--spacing-md);
}

.header-text {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.app-logo {
    height: 40px;
    width: auto;
    margin-right: var(--spacing-sm);
}

/* Button group on right side */
#teaching-mode-indicator,
.btn-teaching,
.btn-print,
.btn-about {
    margin-left: 0;
}

/* About Button - Top Right Utility */
.btn-about {
    background-color: transparent;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 14px;
    border-radius: var(--border-radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-about:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

/* Teaching Mode Button */
.btn-teaching {
    background-color: transparent;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 14px;
    border-radius: var(--border-radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-teaching:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-teaching.active {
    background-color: #ff9800;
    color: white;
    border-color: #ff9800;
    font-weight: 600;
}

/* Global Print Button (camera, not workflow) */
.btn-print {
    background-color: transparent;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 14px;
    border-radius: var(--border-radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-print:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

/* About Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    position: relative;
    background-color: white;
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 10001;
}

.modal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) var(--spacing-lg);
    padding-top: 48px;
    border-bottom: 1px solid var(--color-border);
    position: relative;
    min-height: 100px;
}

.modal-logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    margin-top: 8px;
}

.modal-header h2 {
    flex: 1;
    margin: 0;
    margin-top: 8px;
    font-size: 20px;
    color: var(--color-primary);
    line-height: 1.4;
}

.modal-close {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: var(--color-primary);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: white;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0, 64, 133, 0.3);
}

.modal-close:hover {
    background-color: #003366;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 64, 133, 0.4);
}

.modal-close:active {
    transform: scale(0.95);
}

.modal-body {
    padding: var(--spacing-lg);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
}

.modal-body p {
    margin: 0 0 var(--spacing-md) 0;
}

.modal-body p:last-child {
    margin-bottom: 0;
}

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

.modal-footer p {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.modal-footer p:last-child {
    margin-bottom: 0;
}

.modal-contact {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.modal-contact p {
    font-size: 13px;
    margin: 0 0 8px 0;
}

.modal-contact strong {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.modal-contact a {
    color: var(--color-primary);
    text-decoration: none;
}

.modal-contact a:hover {
    text-decoration: underline;
}

/* Footer - Clean Minimal Version */
.app-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 64, 133, 0.95);
    padding: 8px 0;
    text-align: center;
    z-index: 999;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    color: rgba(255, 255, 255, 0.85);
    font-size: 12px;
    font-weight: 400;
}

#online-status {
    color: rgba(255, 255, 255, 0.7);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .app-logo {
        width: 40px;
        height: 40px;
        margin-right: var(--spacing-sm);
    }
    
    .app-title {
        font-size: 20px;
    }
    
    .app-subtitle {
        font-size: 12px;
    }
    
    .btn-about {
        padding: 5px 10px;
        font-size: 11px;
    }
    
    .modal-content {
        width: 95%;
        max-height: 90vh;
        padding: 0;
    }
    
    .modal-header {
        padding: 16px 12px;
        padding-top: 36px;
        min-height: 80px;
    }
    
    .modal-body {
        padding: 16px 12px;
    }
    
    .modal-footer {
        padding: 16px 12px;
    }
    
    .modal-body p, .modal-body ul {
        font-size: 14px;
        line-height: 1.6;
    }
    
    .modal-body ul {
        padding-left: 20px;
    }
    
    .modal-logo {
        width: 48px;
        height: 48px;
    }
    
    .modal-header h2 {
        font-size: 16px;
    }
    
    .footer-content {
        font-size: 11px;
    }
    
    /* Response Assessment Modal - Mobile */
    .response-assessment-buttons {
        flex-direction: column !important;
    }
    
    .response-assessment-buttons .btn {
        width: 100%;
        min-height: 60px;
    }
    
    .response-assessment-buttons .btn-secondary {
        order: 3;
    }
    
    .response-assessment-buttons .btn-success {
        order: 1;
    }
    
    .response-assessment-buttons .btn-danger {
        order: 2;
    }
}

/* Response Assessment Modal Buttons */
.response-assessment-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.response-assessment-buttons .btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    min-width: 140px;
}

.response-assessment-buttons .btn-icon {
    font-size: 18px;
    margin-bottom: 4px;
}

.response-assessment-buttons .btn-text {
    font-weight: 600;
    font-size: 14px;
}

.response-assessment-buttons .btn-subtext {
    font-size: 11px;
    opacity: 0.9;
    margin-top: 2px;
}

/* Failure Classification Options */
.failure-classification-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.failure-type-option {
    display: flex;
    align-items: flex-start;
    padding: 14px;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
}

.failure-type-option:hover {
    border-color: var(--color-primary);
    background-color: #f5f9ff;
}

.failure-type-option input[type="radio"] {
    margin-right: 12px;
    margin-top: 2px;
    cursor: pointer;
    width: 18px;
    height: 18px;
}

.failure-type-option input[type="radio"]:checked + span {
    font-weight: 600;
    color: var(--color-primary);
}

.failure-type-option span {
    flex: 1;
}

.failure-type-option small {
    display: block;
    margin-top: 4px;
    color: #666;
    font-size: 13px;
}

/* Failure Mode Options */
.failure-mode-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-mode {
    transition: all 0.2s;
}

.btn-mode:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* Teaching Mode Styles */
.teaching-note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background-color: #fff9e6;
    border-left: 4px solid #ff9800;
    border-radius: var(--border-radius);
    margin: 16px 0;
    font-size: 14px;
    line-height: 1.6;
}

.teaching-note-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.teaching-note-content {
    flex: 1;
    color: #5d4037;
}

#teaching-mode-indicator {
    display: none;
    padding: 4px 12px;
    background-color: #ff9800;
    color: white;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-left: 12px;
}


/* ========================================
   V01.3: STICKY ACTION BAR
   Clinically decisive button placement
   ======================================== */

.phase-actions-sticky {
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-top: 2px solid #e0e0e0;
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
    z-index: 998;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* Button Hierarchy - V01.3 */
.phase-actions-sticky .btn-primary-action {
    /* PRIMARY: Proceed button - Most dominant */
    background-color: #003366;
    color: white;
    border: none;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 51, 102, 0.3);
}

.phase-actions-sticky .btn-primary-action:hover {
    background-color: #002147;
    box-shadow: 0 4px 8px rgba(0, 51, 102, 0.4);
    transform: translateY(-1px);
}

.phase-actions-sticky .btn-secondary-action {
    /* SECONDARY: Save & Pause - Subdued */
    background-color: #ff9800;
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.9;
}

.phase-actions-sticky .btn-secondary-action:hover {
    background-color: #f57c00;
    opacity: 1;
    transform: translateY(-1px);
}

.phase-actions-sticky .btn-tertiary-action {
    /* TERTIARY: Back button - Outline style */
    background-color: transparent;
    color: #004085;
    border: 2px solid #004085;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.phase-actions-sticky .btn-tertiary-action:hover {
    background-color: #f0f4f8;
    border-color: #003366;
    color: #003366;
}

/* Layout groups */
.phase-actions-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

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

.phase-actions-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}


/* FIX #4: Mobile footer collision prevention */
@media (max-width: 768px) {
    body {
        padding-bottom: calc(80px + env(safe-area-inset-bottom));
    }
    
    .app-footer {
        position: relative;
        margin-top: var(--spacing-xl);
    }
    
    /* V01.3: Mobile action bar */
    .phase-actions-sticky {
        flex-direction: column;
        gap: 12px;
        padding: var(--spacing-md);
    }
    
    .phase-actions-left,
    .phase-actions-center,
    .phase-actions-right {
        width: 100%;
        flex-direction: column;
    }
    
    .phase-actions-sticky .btn-primary-action,
    .phase-actions-sticky .btn-secondary-action,
    .phase-actions-sticky .btn-tertiary-action {
        width: 100%;
    }
}


/* ========================================
   GLOBAL PRINT: Camera, Not Workflow
   Print exposes what CSS decides
   
   1-PAGE FIT OPTIMIZATION (~80% success rate)
   ======================================== */

@media print {
    /* 1-PAGE FIT: Compress font and spacing */
    body {
        font-size: 9pt !important;
        line-height: 1.2 !important;
    }
    
    /* Hide UI chrome */
    .app-header,
    .app-footer,
    .navigation-breadcrumbs,
    .phase-actions-sticky,
    .btn,
    button {
        display: none !important;
    }
    
    /* A4 page setup */
    @page {
        size: A4 portrait;
        margin: 15mm;
    }
    
    /* Body print styling */
    body {
        background: white;
        color: black;
        font-family: Arial, sans-serif;
        font-size: 10pt;
        line-height: 1.4;
    }
    
    /* Case context bar - always print if visible */
    #case-context-bar {
        display: block !important;
        background: white !important;
        color: black !important;
        border: 2px solid #004085;
        padding: 8px;
        margin-bottom: 12px;
        page-break-after: avoid;
    }
    
    .case-context-primary {
        font-weight: bold;
        font-size: 11pt;
        color: #004085 !important;
    }
    
    .case-context-secondary {
        font-size: 10pt;
        color: #333 !important;
        margin-top: 4px;
    }
    
    /* Phase content */
    .phase-content {
        width: 100%;
        max-width: 100%;
    }
    
    .phase-title {
        font-size: 14pt;
        color: #004085;
        border-bottom: 2px solid #004085;
        padding-bottom: 6px;
        margin-bottom: 10px;
        page-break-after: avoid;
    }
    
    /* 1-PAGE FIT: Hide descriptions (not critical for print) */
    .phase-description {
        display: none !important;
    }
    
    /* 1-PAGE FIT: Compress card spacing */
    .card,
    .phase-card {
        border: 1px solid #ccc;
        padding: 6px !important;
        margin-bottom: 6px !important;
        page-break-inside: avoid;
        box-shadow: none;
    }
    
    /* Tables */
    table {
        width: 100%;
        border-collapse: collapse;
        font-size: 9pt;
        page-break-inside: avoid;
    }
    
    th, td {
        border: 1px solid #ccc;
        padding: 4px;
        text-align: left;
    }
    
    th {
        background-color: #f0f4f8;
        font-weight: bold;
    }
    
    /* Forms - show labels and values */
    .form-group {
        margin-bottom: 8px;
        page-break-inside: avoid;
    }
    
    .form-label {
        font-weight: bold;
        color: #004085;
        font-size: 9pt;
    }
    
    .form-input,
    .form-select,
    input,
    select,
    textarea {
        border: 1px solid #ccc;
        padding: 2px 4px;
        font-size: 9pt;
    }
    
    /* Alerts and warnings */
    .alert {
        border: 1px solid #ccc;
        padding: 6px;
        margin: 6px 0;
        page-break-inside: avoid;
    }
    
    /* Hide modals and overlays */
    .modal,
    .modal-backdrop {
        display: none !important;
    }
}