/* PC3 Health - Professional Healthcare Branding */

:root {
    --pc3-primary: #2E86C1;
    --pc3-secondary: #5DADE2;
    --pc3-success: #27AE60;
    --pc3-warning: #F39C12;
    --pc3-danger: #E74C3C;
    --pc3-info: #17A2B8;
    --pc3-light: #F8F9FA;
    --pc3-dark: #2C3E50;
    --pc3-white: #FFFFFF;
    --pc3-gradient: linear-gradient(135deg, #2E86C1 0%, #5DADE2 100%);
    --pc3-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --pc3-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--pc3-dark);
    background-color: #F4F6F7;
}

.bg-primary {
    background-color: var(--pc3-primary) !important;
}

.text-primary {
    color: var(--pc3-primary) !important;
}

.btn-primary {
    background-color: var(--pc3-primary);
    border-color: var(--pc3-primary);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #2471A3;
    border-color: #2471A3;
    transform: translateY(-2px);
    box-shadow: var(--pc3-shadow);
}

/* Navigation Enhancements */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background-color: var(--pc3-white);
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover::after {
    width: 80%;
    left: 10%;
}

/* Card Enhancements */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: var(--pc3-shadow);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--pc3-shadow-lg);
}

.card-header {
    background: var(--pc3-gradient) !important;
    color: var(--pc3-white);
    border: none;
    border-radius: 12px 12px 0 0 !important;
    font-weight: 600;
}

/* Hero Section */
.hero-section {
    background: var(--pc3-gradient);
    border-radius: 20px !important;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='white' fill-opacity='0.1' fill-rule='evenodd'%3E%3Ccircle cx='20' cy='20' r='2'/%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-section > * {
    position: relative;
    z-index: 1;
}

/* Gradient Backgrounds */
.bg-gradient-primary {
    background: var(--pc3-gradient) !important;
}

/* Button Enhancements */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-lg {
    padding: 12px 28px;
    font-size: 1.1rem;
}

/* Table Enhancements */
.table {
    border-radius: 12px;
    overflow: hidden;
}

.table-hover tbody tr:hover {
    background-color: rgba(46, 134, 193, 0.05);
}

.table thead th {
    background-color: var(--pc3-light);
    font-weight: 600;
    border: none;
    color: var(--pc3-dark);
}

/* Badge Enhancements */
.badge {
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 20px;
}

/* Progress Bar Enhancements */
.progress {
    border-radius: 10px;
    background-color: rgba(46, 134, 193, 0.1);
}

.progress-bar {
    border-radius: 10px;
    transition: width 1s ease;
}

/* Form Enhancements */
.form-control, .form-select {
    border: 2px solid #E8F4F8;
    border-radius: 8px;
    padding: 12px 16px;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--pc3-primary);
    box-shadow: 0 0 0 0.2rem rgba(46, 134, 193, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--pc3-dark);
    margin-bottom: 8px;
}

.form-range::-webkit-slider-thumb {
    background: var(--pc3-primary);
    border: 3px solid var(--pc3-white);
    box-shadow: var(--pc3-shadow);
}

.form-range::-moz-range-thumb {
    background: var(--pc3-primary);
    border: 3px solid var(--pc3-white);
    box-shadow: var(--pc3-shadow);
}

/* Modal Enhancements */
.modal-content {
    border: none;
    border-radius: 16px;
    box-shadow: var(--pc3-shadow-lg);
}

.modal-header {
    background: var(--pc3-gradient);
    color: var(--pc3-white);
    border: none;
    border-radius: 16px 16px 0 0;
}

.modal-header .btn-close {
    filter: invert(1);
}

/* Alert Enhancements */
.alert {
    border: none;
    border-radius: 12px;
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(39, 174, 96, 0.1);
    border-left-color: var(--pc3-success);
    color: #1E8449;
}

.alert-warning {
    background-color: rgba(243, 156, 18, 0.1);
    border-left-color: var(--pc3-warning);
    color: #B7950B;
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    border-left-color: var(--pc3-danger);
    color: #A93226;
}

.alert-info {
    background-color: rgba(23, 162, 184, 0.1);
    border-left-color: var(--pc3-info);
    color: #138496;
}

/* Chatbot Styles */
.chat-message {
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.typing-dots {
    display: inline-block;
}

.typing-dots span {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--pc3-primary);
    margin: 0 2px;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Chart Container Enhancements */
.chart-container {
    position: relative;
    padding: 20px;
    background: var(--pc3-white);
    border-radius: 12px;
    box-shadow: var(--pc3-shadow);
}

/* Tab Enhancements */
.nav-pills .nav-link {
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    margin: 0 4px;
}

.nav-pills .nav-link.active {
    background-color: var(--pc3-primary);
    transform: translateY(-2px);
    box-shadow: var(--pc3-shadow);
}

/* Accordion Enhancements */
.accordion-button {
    background-color: var(--pc3-light);
    border: none;
    font-weight: 600;
    color: var(--pc3-dark);
}

.accordion-button:not(.collapsed) {
    background-color: var(--pc3-primary);
    color: var(--pc3-white);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.2rem rgba(46, 134, 193, 0.25);
}

/* Footer Enhancements */
footer {
    background: linear-gradient(135deg, #F8F9FA 0%, #E8F4F8 100%);
    border-top: 1px solid rgba(46, 134, 193, 0.1);
}

/* Utility Classes */
.text-gradient {
    background: var(--pc3-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-primary {
    box-shadow: 0 4px 20px rgba(46, 134, 193, 0.3) !important;
}

.border-primary-soft {
    border: 2px solid rgba(46, 134, 193, 0.2) !important;
}

/* Loading Animation */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(46, 134, 193, 0.1);
    border-left-color: var(--pc3-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Enhancements */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 2rem 1.5rem !important;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .display-1, .display-2, .display-3, .display-4 {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn-lg {
        font-size: 1rem;
        padding: 10px 20px;
    }
    
    #chatMessages {
        height: 300px !important;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #e0e0e0;
    }
    
    .card {
        background-color: #2d2d2d;
        color: #e0e0e0;
    }
    
    .bg-light {
        background-color: #3d3d3d !important;
    }
    
    .text-muted {
        color: #b0b0b0 !important;
    }
}

/* Print Styles */
@media print {
    .navbar, .btn, .modal, #chatbotSection {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    body {
        background: white;
        color: black;
    }
}