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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.logo {
    text-align: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.nav-menu {
    list-style: none;
    padding: 20px 0;
}

.nav-menu li {
    margin: 5px 0;
}

.nav-menu a {
    display: flex;
    align-items: center;
    padding: 15px 25px;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255,255,255,0.1);
    border-right: 3px solid white;
}

.nav-menu i {
    margin-right: 10px;
    width: 20px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 20px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card i {
    font-size: 2.5rem;
    margin-right: 20px;
    color: #667eea;
}

.stat-info h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 5px;
}

.chart-container {
    grid-column: span 2;
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.recent-patients,
.alerts-panel {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Forms */
.form-container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    max-width: 800px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5a6fd8;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-warning {
    background: #ffc107;
    color: #212529;
}

/* Patient Cards */
.patient-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 15px;
    transition: transform 0.3s;
}

.patient-card:hover {
    transform: translateY(-2px);
}

.patient-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 15px;
}

.patient-info h3 {
    color: #333;
    margin-bottom: 5px;
}

.patient-info p {
    color: #666;
    font-size: 14px;
}

.patient-actions {
    display: flex;
    gap: 10px;
}

/* Tables */
.table-container {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    color: #555;
}

tr:hover {
    background: #f8f9fa;
}

/* Modern Search Styling */
.search-container {
    position: relative;
    display: inline-block;
    margin-right: 15px;
}

.modern-search {
    width: 320px;
    padding: 12px 45px 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 25px;
    font-size: 14px;
    background: #fff;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.modern-search:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.15);
    transform: translateY(-1px);
}

.modern-search::placeholder {
    color: #a0a6b1;
    font-style: italic;
}

.search-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #a0a6b1;
    transition: color 0.3s ease;
    pointer-events: none;
}

.search-container:focus-within .search-icon {
    color: #667eea;
}

/* Modern Button Styling */
.modern-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.modern-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* Filter Buttons */
.appointment-filters,
.report-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid #e1e5e9;
    background: white;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: #6c757d;
}

.filter-btn:hover,
.filter-btn.active {
    background: #667eea;
    border-color: #667eea;
    color: white;
    transform: translateY(-1px);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-group label {
    font-weight: 600;
    color: #555;
}

.filter-group select {
    padding: 8px 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    background: white;
}

/* Appointments Grid */
.appointments-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 25px;
}

/* Calendar Styling */
.calendar-section {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.calendar-header button {
    background: #f8f9fa;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.calendar-header button:hover {
    background: #667eea;
    color: white;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.calendar-day-header {
    padding: 10px;
    text-align: center;
    font-weight: 600;
    color: #6c757d;
    font-size: 12px;
}

.calendar-day {
    padding: 12px;
    text-align: center;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calendar-day:hover {
    background: #f8f9fa;
}

.calendar-day.today {
    background: #667eea;
    color: white;
    font-weight: 600;
}

.calendar-day.selected {
    background: #764ba2;
    color: white;
}

.calendar-day.has-appointments {
    background: #e8f4f8;
    border: 2px solid #17a2b8;
}

.appointment-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: #dc3545;
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Appointment Cards */
.appointments-list {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.appointment-card {
    background: white;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.appointment-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.appointment-card.appointment-completed {
    border-color: #28a745;
    background: #f8fff9;
}

.appointment-card.appointment-cancelled {
    border-color: #dc3545;
    background: #fff8f8;
}

.appointment-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.appointment-info h4 {
    margin-bottom: 8px;
    color: #333;
}

.appointment-info p {
    color: #6c757d;
    font-size: 14px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-scheduled { background: #fff3cd; color: #856404; }
.status-completed { background: #d4edda; color: #155724; }
.status-cancelled { background: #f8d7da; color: #721c24; }

.appointment-notes {
    background: #f8f9fa;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-style: italic;
    color: #6c757d;
}

.appointment-actions {
    display: flex;
    gap: 10px;
}

/* Reports Grid */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 25px;
    margin-top: 25px;
}

.report-summary {
    grid-column: span 2;
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.summary-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: transform 0.3s ease;
}

.summary-card:hover {
    transform: translateY(-3px);
}

.summary-card i {
    font-size: 2.5rem;
    opacity: 0.8;
}

.summary-card h4 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.chart-section {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    position: relative;
    height: 400px;
}

.chart-section h3 {
    margin-bottom: 20px;
    color: #333;
    font-weight: 600;
}

.chart-section canvas {
    max-height: 320px;
}

/* Progress Table */
.progress-table {
    grid-column: span 2;
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.progress-bar {
    background: #e9ecef;
    border-radius: 10px;
    height: 20px;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    background: linear-gradient(90deg, #28a745, #20c997);
    height: 100%;
    border-radius: 10px;
    transition: width 0.3s ease;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    font-weight: 600;
    color: #333;
}

/* Alerts Section */
.alerts-section {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.alert-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 10px;
    border-left: 4px solid;
}

.alert-card.alert-warning {
    background: #fff3cd;
    border-left-color: #ffc107;
}

.alert-card.alert-danger {
    background: #f8d7da;
    border-left-color: #dc3545;
}

.alert-content {
    flex: 1;
}

.alert-content strong {
    display: block;
    margin-bottom: 5px;
}

/* Modal Styling */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 25px 30px 20px;
    border-bottom: 1px solid #e1e5e9;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: #333;
}

.close {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #333;
}

.modal form {
    padding: 25px 30px 30px;
}

.modal-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #e1e5e9;
}

/* Small Button Variants */
.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
}

/* Responsive Improvements */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        order: 2;
    }
    
    .nav-menu {
        display: flex;
        overflow-x: auto;
        padding: 10px 0;
    }
    
    .nav-menu li {
        margin: 0 5px;
        min-width: 120px;
    }
    
    .nav-menu a {
        padding: 10px 15px;
        border-radius: 8px;
        white-space: nowrap;
        font-size: 14px;
    }
    
    .main-content {
        margin-left: 0;
        padding: 15px;
        order: 1;
    }
    
    .header {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }
    
    .header-actions {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    
    .search-container {
        width: 100%;
        margin-right: 0;
    }
    
    .modern-search {
        width: 100%;
    }
    
    .modern-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Dashboard Mobile */
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .chart-container {
        grid-column: span 1;
        height: 300px;
    }
    
    /* Forms Mobile */
    .form-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .form-container {
        padding: 20px 15px;
        margin: 0 10px;
    }
    
    /* Tables Mobile */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    table {
        min-width: 600px;
    }
    
    /* Patient Cards Mobile */
    .patient-card {
        padding: 15px;
    }
    
    .patient-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .patient-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    /* Appointments Mobile */
    .appointments-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .calendar-grid {
        font-size: 14px;
    }
    
    .calendar-day {
        min-height: 35px;
        padding: 8px;
    }
    
    .appointment-badge {
        width: 14px;
        height: 14px;
        font-size: 9px;
    }
    
    /* Reports Mobile */
    .reports-grid {
        grid-template-columns: 1fr;
    }
    
    .report-summary,
    .progress-table {
        grid-column: span 1;
    }
    
    .summary-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .summary-card {
        padding: 20px 15px;
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .summary-card i {
        font-size: 2rem;
    }
    
    .summary-card h4 {
        font-size: 1.5rem;
    }
    
    /* Patient Detail Mobile */
    .patient-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .measurements-history {
        grid-column: span 1;
    }
    
    .patient-info-card {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .status-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .measurements-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .measurement-item {
        padding: 12px 8px;
    }
    
    .measurement-value {
        font-size: 1.2rem;
    }
    
    .measurement-label {
        font-size: 11px;
    }
    
    .appointment-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .note-item .btn {
        position: static;
        margin-top: 10px;
        width: 100%;
    }
    
    /* Modal Mobile */
    .modal-content {
        margin: 5% auto;
        width: 95%;
        max-height: 90vh;
    }
    
    .modal-header {
        padding: 20px 15px;
    }
    
    .modal form {
        padding: 20px 15px;
    }
    
    .modal-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 10px;
    }
    
    .summary-cards {
        grid-template-columns: 1fr;
    }
    
    .measurements-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-btn {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .appointment-filters,
    .report-filters {
        gap: 8px;
    }
    
    .stat-card {
        padding: 15px;
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .stat-card i {
        font-size: 2rem;
    }
}

/* Calendar Widget for Dashboard - FIXED */
.dashboard-calendar {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    grid-column: span 1;
    height: fit-content;
}

.dashboard-calendar h3 {
    margin-bottom: 20px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
}

.mini-calendar {
    max-width: 100%;
    margin: 0 auto;
}

.mini-calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding: 0 10px;
}

.mini-calendar-header h4 {
    margin: 0;
    color: #333;
    font-size: 16px;
    font-weight: 600;
}

.mini-calendar-nav {
    background: #f8f9fa;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #6c757d;
}

.mini-calendar-nav:hover {
    background: #667eea;
    color: white;
    transform: scale(1.1);
}

.mini-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    margin-bottom: 15px;
}

.mini-calendar-day-header {
    padding: 8px 4px;
    text-align: center;
    font-weight: 600;
    color: #6c757d;
    font-size: 12px;
    background: #f8f9fa;
    border-radius: 4px;
}

.mini-calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
    font-size: 13px;
    font-weight: 500;
    color: #495057;
    background: #fff;
    border: 1px solid #e9ecef;
    min-height: 32px;
}

.mini-calendar-day:hover {
    background: #f0f4ff;
    border-color: #667eea;
    transform: scale(1.05);
}

.mini-calendar-day.today {
    background: #667eea;
    color: white;
    font-weight: 700;
    border-color: #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.mini-calendar-day.has-appointments {
    background: #e8f4f8;
    border-color: #17a2b8;
    color: #0c5460;
    font-weight: 600;
}

.mini-calendar-day.empty {
    border: none;
    cursor: default;
    background: transparent;
}

.mini-calendar-day.empty:hover {
    background: transparent;
    transform: none;
}

.mini-appointment-count {
    position: absolute;
    top: -2px;
    right: -2px;
    background: #dc3545;
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 9px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.dashboard-calendar .btn {
    width: 100%;
    margin-top: 15px;
    padding: 10px;
    font-size: 14px;
}

/* Mobile fixes for dashboard calendar */
@media (max-width: 768px) {
    .dashboard-calendar {
        padding: 20px;
        margin-bottom: 15px;
    }
    
    .mini-calendar-header h4 {
        font-size: 14px;
    }
    
    .mini-calendar-nav {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .mini-calendar-day {
        min-height: 28px;
        font-size: 12px;
    }
    
    .mini-calendar-day-header {
        padding: 6px 2px;
        font-size: 10px;
    }
    
    .mini-appointment-count {
        width: 14px;
        height: 14px;
        font-size: 8px;
        top: -1px;
        right: -1px;
    }
}

@media (max-width: 480px) {
    .dashboard-calendar {
        padding: 15px;
    }
    
    .mini-calendar-grid {
        gap: 1px;
    }
    
    .mini-calendar-day {
        min-height: 24px;
        font-size: 11px;
    }
    
    .mini-calendar-day-header {
        font-size: 9px;
        padding: 4px 1px;
    }
}

/* ...existing code... */
        touch-action: manipulation;
    }
    
    .nav-menu a {
        min-height: 44px;
        touch-action: manipulation;
    }
}