/* Hemodynamic Parameter Dashboard - Custom Premium Styling */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Prompt:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Premium Slate & Blue Clinical Theme */
    --bg-primary: #0f172a; /* Slate 900 */
    --bg-secondary: #1e293b; /* Slate 800 */
    --bg-tertiary: #334155; /* Slate 700 */
    --border-color: #475569; /* Slate 600 */
    --text-primary: #f8fafc; /* Slate 50 */
    --text-secondary: #cbd5e1; /* Slate 300 */
    --text-muted: #94a3b8; /* Slate 400 */
    
    --color-primary: #3b82f6; /* Blue 500 */
    --color-primary-hover: #2563eb; /* Blue 600 */
    --color-success: #10b981; /* Emerald 500 */
    --color-warning: #f59e0b; /* Amber 500 */
    --color-danger: #ef4444; /* Red 500 */
    
    --font-sans: 'Plus Jakarta Sans', 'Prompt', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --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);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* Light Theme Variables */
body.light-theme {
    --bg-primary: #f8fafc; /* Slate 50 */
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9; /* Slate 100 */
    --border-color: #cbd5e1; /* Slate 300 */
    --text-primary: #0f172a; /* Slate 900 */
    --text-secondary: #334155; /* Slate 700 */
    --text-muted: #64748b; /* Slate 500 */
    
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography styles for headings */
h1, h2, h3, h4, h5, h6, .brand-title, .brand-title-mobile, .btn-primary, .btn-secondary, .tab-btn, .metric-value, .metric-label, .modal-title, .section-title {
    font-family: 'Plus Jakarta Sans', 'Prompt', sans-serif;
    letter-spacing: -0.01em;
}

/* Chart Placeholder */
.chart-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-family: 'Sarabun', sans-serif;
    border: 1px dashed var(--border-color);
    border-radius: 0.5rem;
    background-color: rgba(0, 0, 0, 0.05);
}

/* App Container Layout */
.app-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    flex-direction: flex-direction;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.brand-icon {
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.patient-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
}

.section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background-color var(--transition-fast);
    width: 100%;
}

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

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

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

.patient-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.patient-item {
    background-color: var(--bg-tertiary);
    border: 1px solid transparent;
    padding: 0.75rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.patient-item:hover {
    border-color: var(--color-primary);
}

.patient-item.active {
    background-color: rgba(59, 130, 246, 0.15);
    border-color: var(--color-primary);
}

.patient-info-mini {
    display: flex;
    flex-direction: column;
}

.patient-name-mini {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.patient-hn-mini {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-delete-patient {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.btn-delete-patient:hover {
    color: var(--color-danger);
    background-color: rgba(239, 68, 68, 0.1);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    transition: background-color var(--transition-fast);
}

.theme-toggle-btn:hover {
    background-color: var(--bg-tertiary);
}

/* Main Content Area */
.main-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-height: 100vh;
    overflow-y: auto;
}

.welcome-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 70vh;
    text-align: center;
    gap: 1.5rem;
}

.welcome-icon {
    color: var(--color-primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.welcome-title {
    font-size: 2rem;
    font-weight: 700;
}

.welcome-desc {
    color: var(--text-muted);
    max-width: 500px;
}

/* Patient Profile Header */
.patient-header {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
}

.patient-profile {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.patient-avatar {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-primary);
}

.patient-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.patient-name-large {
    font-size: 1.5rem;
    font-weight: 700;
}

.patient-details-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.patient-details-item {
    white-space: nowrap;
}

.patient-details-item strong {
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.header-actions .btn-primary,
.header-actions .btn-secondary {
    width: auto;
    padding: 0.4rem 0.85rem;
    font-size: 0.75rem;
    white-space: nowrap;
}

/* Tabs Navigation */
.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    gap: 1.5rem;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 0.75rem 0.25rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

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

.tab-btn.active {
    color: var(--color-primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
}

/* Dashboard Tab Content */
.dashboard-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Key Metrics Cards */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.metric-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.metric-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-primary);
}

.metric-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.metric-value-container {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.05em;
}

.metric-unit {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.metric-status {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    width: fit-content;
}

/* Status colors */
.status-normal {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.status-warning {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.status-danger {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--color-danger);
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 1.5rem;
}

.chart-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.chart-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Event Timeline Card */
.timeline-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.timeline-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.timeline-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 125px;
    top: 1.5rem;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item:last-child::after {
    display: none;
}

.timeline-time {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-align: right;
    padding-top: 0.25rem;
}

.timeline-content {
    position: relative;
    padding-left: 1.5rem;
}

.timeline-dot {
    position: absolute;
    left: -12px;
    top: 8px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-primary);
    border: 2px solid var(--bg-secondary);
    z-index: 10;
}

.timeline-event-box {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

.timeline-event-title {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.badge {
    font-size: 0.75rem;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-weight: 600;
}

.badge-mcs {
    background-color: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-drug {
    background-color: rgba(168, 85, 247, 0.2);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.badge-fluid {
    background-color: rgba(6, 182, 212, 0.2);
    color: #38bdf8;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.timeline-event-details {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* Table View Styling */
.table-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.table-wrapper {
    overflow-x: auto;
    max-height: 60vh;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
    text-align: left;
}

table.data-table th, table.data-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

table.data-table th {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 20;
}

table.data-table tbody tr {
    transition: background-color var(--transition-fast);
}

table.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

table.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Table Actions */
.table-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.btn-icon.delete:hover {
    color: var(--color-danger);
    background-color: rgba(239, 68, 68, 0.1);
}

/* Modals & Forms */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.modal.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform var(--transition-normal);
    overflow: hidden;
}

.modal-content form {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.modal.open .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

.modal-footer .btn-primary,
.modal-footer .btn-secondary {
    width: auto;
    padding: 0.5rem 1.25rem;
    font-size: 0.8125rem;
    white-space: nowrap;
}

/* Form Styles */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.form-section-header {
    grid-column: 1 / -1;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
    margin-top: 0.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="time"],
select {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    outline: none;
    transition: border-color var(--transition-fast);
    width: 100%;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
select:focus {
    border-color: var(--color-primary);
}

/* Event Checkboxes in Form */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
}

.checkbox-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* Drug Details Inputs */
.drugs-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.drug-input-row {
    display: grid;
    grid-template-columns: 180px 1fr 1fr;
    gap: 1rem;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    animation: fadeIn var(--transition-fast);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.drug-name-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 2000;
}

.toast {
    background-color: var(--bg-secondary);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-xl);
    padding: 1rem 1.25rem;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    min-width: 280px;
    animation: slideIn var(--transition-fast);
}

.toast.success { border-left-color: var(--color-success); }
.toast.danger { border-left-color: var(--color-danger); }
.toast.warning { border-left-color: var(--color-warning); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Hidden elements */
.hidden {
    display: none !important;
}

/* Mobile Header & Overlay Styles */
.mobile-header {
    display: none;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: var(--shadow-sm);
}

.brand-title-mobile {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-icon-menu, .theme-toggle-btn-mobile {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.btn-icon-menu:hover, .theme-toggle-btn-mobile:hover {
    background-color: var(--bg-tertiary);
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(2px);
    z-index: 95;
    transition: opacity var(--transition-fast);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .app-container {
        grid-template-columns: 1fr;
    }

    .mobile-header {
        display: flex;
    }

    /* Sidebar as mobile drawer */
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: 100;
        width: 280px;
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        box-shadow: var(--shadow-xl);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        padding: 1rem;
        max-height: none;
        overflow-y: visible;
    }

    .welcome-screen {
        height: auto;
        padding: 3rem 1rem;
    }

    .patient-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1.25rem;
        padding: 1.25rem;
    }

    .patient-profile {
        gap: 1rem;
    }

    .patient-avatar {
        width: 3rem;
        height: 3rem;
    }

    .patient-name-large {
        font-size: 1.25rem;
    }

    .patient-details-row {
        flex-direction: column;
        gap: 0.25rem;
    }

    .header-actions {
        flex-direction: column;
        gap: 0.5rem;
    }

    .header-actions button {
        width: 100%;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .metric-card {
        padding: 1rem;
    }

    .metric-value {
        font-size: 1.5rem;
    }

    .metric-label {
        font-size: 0.7rem;
    }

    .timeline-item {
        grid-template-columns: 80px 1fr;
        gap: 0.75rem;
    }

    .timeline-item::after {
        left: 85px;
    }

    .timeline-time {
        font-size: 0.75rem;
    }

    .timeline-content {
        padding-left: 1rem;
    }

    .timeline-dot {
        left: -8px;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .drug-input-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding: 1rem;
    }

    .modal-content {
        width: 95%;
        max-height: 95vh;
    }

    .modal-body {
        padding: 1rem;
    }

    .modal-footer {
        padding: 1rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .modal-footer button {
        width: 100%;
    }
}