/* INMS Website - Modern Styles */

:root {
    --primary-color: #006666;
    --primary-hover: #004444;
    --secondary-color: #E6FAF0;
    --accent-color: #66CC00;
    --text-color: #333333;
    --gray-light: #f8f9fa;
    --gray-medium: #6c757d;
}

/* Base Typography */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.navbar-nav .nav-link {
    color: var(--primary-color);
    font-weight: 500;
    padding: 0.75rem 1rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.navbar-nav .nav-link:hover {
    background-color: var(--secondary-color);
    color: var(--primary-hover);
}

.navbar-nav .nav-link.active {
    color: var(--primary-hover);
    font-weight: 600;
}

/* Cards */
.card {
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.card-title {
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 600;
}

/* Main Content Area */
.content-area {
    min-height: 400px;
}

.content-area p {
    margin-bottom: 1rem;
}

.content-area ul {
    margin-bottom: 1rem;
}

.content-area li {
    margin-bottom: 0.5rem;
}

/* Sidebar */
.sidebar .card {
    background-color: #fff;
}

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

/* Footer */
footer {
    background-color: var(--gray-light);
}

footer a {
    color: var(--primary-color);
}

/* Home Page Cards */
.feature-card {
    background-color: var(--secondary-color);
    border: 1px solid #d0e8df;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

/* Bootstrap Color Overrides */
.bg-primary {
    background-color: var(--primary-color) !important;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    font-weight: 500;
    padding: 0.5rem 1.5rem;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active,
.btn-primary.active {
    background-color: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* Tables (for any data tables) */
.table {
    margin-top: 1rem;
}

.table thead th {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    font-weight: 600;
    border-bottom: 2px solid var(--primary-color);
}

/* Interface specification table */
.interface-table {
    margin-top: 2rem;
}

.interface-table table {
    width: 100%;
}

.interface-table th {
    color: var(--primary-color);
    padding: 1rem 0.5rem;
    font-weight: 600;
}

.interface-table td {
    padding: 1rem 0.5rem;
    vertical-align: top;
}

/* Link boxes (modernized) */
.link-box {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1.5rem;
    border: 2px solid var(--accent-color);
    border-radius: 8px;
    min-height: 100px;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.link-box:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Mobile Navigation (CSS-only hamburger menu) */
.navbar-toggle-checkbox {
    display: none;
}

@media (min-width: 992px) {
    .navbar-toggler {
        display: none;
    }
}

@media (max-width: 991px) {
    .navbar-collapse {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #f8f9fa;
        border-top: 1px solid #dee2e6;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    
    .navbar-toggle-checkbox:checked ~ .navbar-collapse {
        display: block;
    }
    
    .navbar-nav {
        flex-direction: column;
        padding: 1rem 0;
    }
    
    .navbar-nav .nav-item {
        width: 100%;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid #e0e0e0;
    }
    
    .navbar-toggler {
        display: block;
        padding: 0.25rem 0.5rem;
        font-size: 1.25rem;
        background-color: transparent;
        border: 1px solid #dee2e6;
        border-radius: 0.25rem;
        cursor: pointer;
    }
}

/* Responsive utilities */
@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .feature-card {
        padding: 1.5rem;
    }
}

/* Print styles */
@media print {
    .navbar, .sidebar, footer {
        display: none;
    }
    
    .content-area {
        width: 100%;
    }
}