/*
Theme Name: APM Theme
Theme URI: https://mdigi.vn
Author: MDIGI
Author URI: https://mdigi.vn
Description: A modern, responsive WordPress theme built with Bootstrap 5
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: apm
Tags: responsive, bootstrap, modern, clean
*/

/* ==========================================================================
   Custom Styles
   ========================================================================== */

:root {
    --primary-color: #0D47A1;
    --secondary-color: #1976D2;
    --accent-color: #FF9800;
    --dark-color: #003366;
    --light-color: #F5F5F5;
    --text-color: #333333;
    --border-color: #E0E0E0;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --warning-color: #FF9800;
    --info-color: #2196F3;
}

* {
    box-sizing: border-box;
}

html,
body {
    font-family: 'Google Sans Flex', 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #ffffff;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

/* Header Styles */
.site-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-branding {
    padding: 1rem 0;
}

.site-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0;
}

.site-title a {
    color: #ffffff;
    text-decoration: none;
}

.site-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    margin: 0;
}

/* Navigation */
.main-navigation {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.main-navigation .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    transition: all 0.3s ease;
    position: relative;
}

.main-navigation .navbar-nav .nav-link:hover,
.main-navigation .navbar-nav .nav-link.active {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 0.375rem;
}

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

.main-navigation .navbar-nav .nav-link:hover::after {
    width: 80%;
}

/* Content Area */
.site-content {
    padding: 3rem 0;
    min-height: 60vh;
}

/* Posts & Pages styles removed */


/* Sidebar */
.sidebar {
    padding-left: 2rem;
}

.widget {
    background: #ffffff;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.widget-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-color);
    color: var(--dark-color);
}

.widget ul {
    list-style: none;
    padding: 0;
}

.widget ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.widget ul li:last-child {
    border-bottom: none;
}

.widget ul li a {
    color: var(--text-color);
    transition: all 0.3s ease;
    display: block;
}

.widget ul li a:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

/* Footer */
.site-footer {
    background: linear-gradient(135deg, var(--dark-color) 0%, #0f172a 100%);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-widgets {
    margin-bottom: 2rem;
}

.footer-widget {
    margin-bottom: 2rem;
}

.footer-widget h3 {
    color: #ffffff;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-widget ul {
    list-style: none;
    padding: 0;
}

.footer-widget ul li {
    margin-bottom: 0.5rem;
}

.footer-widget ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-widget ul li a:hover {
    color: var(--accent-color);
}

.site-info {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
}

.site-info a {
    color: var(--accent-color);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.4);
}

/* Pagination */
.pagination {
    margin-top: 3rem;
}

.pagination .page-link {
    color: var(--primary-color);
    border-color: var(--border-color);
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border-radius: 0.375rem;
}

.pagination .page-link:hover {
    background-color: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Comments */
.comments-area {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.comment-list {
    list-style: none;
    padding: 0;
}

.comment {
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        padding-left: 0;
        margin-top: 2rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .site-content {
        padding: 2rem 0;
    }
}

/* Utilities */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}