/* Hospital OPD System - Main Stylesheet */
/* Based on uploaded dashboard design */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #e3f2fd 0%, #f8f9fa 100%);
    color: #333;
    line-height: 1.6;
}

/* Layout Container */
.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background: white;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    padding: 20px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #4FC3F7, #29B6F6);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 18px;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

/* Navigation Sections */
.nav-section {
    margin-bottom: 25px;
}

.nav-title {
    color: #999;
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    margin-bottom: 5px;
    border-radius: 8px;
    text-decoration: none;
    color: #666;
    transition: all 0.3s ease;
    gap: 12px;
}

.nav-item:hover {
    background: #f8f9fa;
    color: #333;
    transform: translateX(3px);
}

.nav-item.active {
    background: linear-gradient(135deg, #4FC3F7, #29B6F6);
    color: white;
    box-shadow: 0 4px 15px rgba(79, 195, 247, 0.3);
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 20px;
    background: #f8f9fa;
    min-height: 100vh;
}

/* Top Header */
.top-header {
    background: white;
    padding: 15px 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title {
    font-size: 24px;
    font-weight: 600;
    color: #333;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-box {
    position: relative;
}

.search-box input {
    padding: 10px 40px 10px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 25px;
    width: 300px;
    font-size: 14px;
    background: #f8f9fa;
}

.search-box input:focus {
    outline: none;
    border-color: #4FC3F7;
    background: white;
}

.search-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
}

.header-notifications {
    position: relative;
    cursor: pointer;
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4757;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: background 0.3s;
}

.user-profile:hover {
    background: #f8f9fa;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4FC3F7, #29B6F6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

/* Dashboard Stats Cards */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.stat-icon.patients { background: linear-gradient(135deg, #FF6B8A, #FF8E8E); }
.stat-icon.doctors { background: linear-gradient(135deg, #4FC3F7, #29B6F6); }
.stat-icon.appointments { background: linear-gradient(135deg, #4CAF50, #66BB6A); }
.stat-icon.revenue { background: linear-gradient(135deg, #FFB74D, #FFA726); }

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

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

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

/* Charts and Analytics */
.chart-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.chart-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.chart-filter {
    padding: 8px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    background: white;
}

/* Calendar Widget */
.calendar-widget {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.calendar-month {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-day {
    padding: 10px;
    text-align: center;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

.calendar-day:hover {
    background: #f0f8ff;
}

.calendar-day.today {
    background: #4FC3F7;
    color: white;
    font-weight: 600;
}

.calendar-day.other-month {
    color: #ccc;
}

/* Appointments List */
.appointments-widget {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.appointment-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    transition: background 0.3s;
    gap: 15px;
}

.appointment-item:hover {
    background: #f8f9fa;
}

.appointment-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    font-size: 14px;
}

.appointment-avatar.heart-surgeon { background: #FF6B8A; }
.appointment-avatar.pediatrician { background: #4FC3F7; }
.appointment-avatar.neurologist { background: #9C27B0; }

.appointment-info h4 {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 3px;
}

.appointment-info p {
    font-size: 12px;
    color: #666;
}

.appointment-time {
    margin-left: auto;
    font-size: 12px;
    color: #666;
}

/* Tables */
.data-table {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    overflow: hidden;
}

.table-header {
    padding: 20px 25px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

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

thead {
    background: #f8f9fa;
}

th, td {
    padding: 15px 25px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

th {
    font-weight: 600;
    color: #666;
    font-size: 14px;
}

td {
    color: #333;
}

tbody tr:hover {
    background: #f8f9fa;
}

/* Status Badges */
.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-scheduled { background: #E3F2FD; color: #1976D2; }
.status-completed { background: #E8F5E8; color: #388E3C; }
.status-cancelled { background: #FFEBEE; color: #D32F2F; }
.status-pending { background: #FFF3E0; color: #F57C00; }
.status-active { background: #E8F5E8; color: #388E3C; }
.status-inactive { background: #F5F5F5; color: #757575; }

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #4FC3F7, #29B6F6);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(79, 195, 247, 0.3);
}

.btn-secondary {
    background: #f8f9fa;
    color: #666;
    border: 1px solid #e0e0e0;
}

.btn-secondary:hover {
    background: #e9ecef;
}

.btn-success {
    background: #4CAF50;
    color: white;
}

.btn-danger {
    background: #f44336;
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #4FC3F7;
    box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
    overflow-y: auto;
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
    padding: 20px 30px;
    border-bottom: 1px solid #f0f0f0;
    background: white;
    position: sticky;
    top: 0;
    z-index: 10;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.close {
    font-size: 24px;
    cursor: pointer;
    color: #999;
    border: none;
    background: none;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s;
}

.close:hover {
    background: #f5f5f5;
    color: #333;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: #E8F5E8;
    color: #388E3C;
    border-left: 4px solid #4CAF50;
}

.alert-error {
    background: #FFEBEE;
    color: #D32F2F;
    border-left: 4px solid #f44336;
}

.alert-warning {
    background: #FFF3E0;
    color: #F57C00;
    border-left: 4px solid #FF9800;
}

.alert-info {
    background: #E3F2FD;
    color: #1976D2;
    border-left: 4px solid #2196F3;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-row {
        grid-template-columns: 1fr;
    }
    
    .search-box input {
        width: 200px;
    }
    
    .header-right {
        gap: 10px;
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #4FC3F7;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.p-20 { padding: 20px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }

/* Print Styles */
@media print {
    .sidebar, .top-header, .btn { display: none; }
    .main-content { margin-left: 0; }
}