/*!
Theme Name: Professional Business
Theme URI: https://example.com
Author: Your Name
Author URI: https://example.com
Description: Theme chuyên nghiệp cho website công ty - Responsive design với menu điều hướng, sidebar, footer đa cột
Version: 1.0.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: professional-business
Domain Path: /languages
Tags: business, corporate, responsive, custom-menu, sidebar-widgets
*/

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
}

a {
}

a:hover {
}

/* Header */
.site-header {
}

.site-header .header-inner {
}

.site-branding {
}

.site-title {
}

.site-title a {
}

.site-description {
}

/* Navigation */
.main-navigation {
}

.main-navigation ul {
}

.main-navigation a {
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a {
}

.main-navigation .sub-menu {
}

.main-navigation li:hover .sub-menu {
}

.main-navigation .sub-menu li {
}

.main-navigation .sub-menu a {
}

.menu-toggle {
}

/* Content Layout */
#content {
}

#content.no-sidebar {
}

main {
}

/* Posts */
.post {
}

.post:last-child {
}

.post-title {
}

.post-title a {
  color: #000;
}

.post-title a:hover {
  color: #0066cc;
}

.post-meta {
  font-size: 14px;
  color: #666;
  margin-bottom: 20px;
}

.post-meta span {
  margin-right: 20px;
}

.post-meta a {
  color: #0066cc;
}

.post-content {
  margin-bottom: 20px;
  line-height: 1.8;
}

.post-content img {
  max-width: 100%;
  height: auto;
  margin: 20px 0;
}

.read-more {
  display: inline-block;
  background-color: #0066cc;
  color: white;
  padding: 12px 25px;
  border-radius: 4px;
  font-weight: 500;
}

.read-more:hover {
  background-color: #0052a3;
  color: white;
}

/* Sidebar */
.primary-sidebar {
  background: white;
  padding: 20px;
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(0,0,0,0.08);
  height: fit-content;
  position: sticky;
  top: 100px;
}

.widget {
  margin-bottom: 30px;
}

.widget:last-child {
  margin-bottom: 0;
}

.widget-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 3px solid #0066cc;
  color: #000;
}

.widget ul {
  list-style: none;
}

.widget li {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}

.widget li:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.widget a {
  color: #0066cc;
  font-size: 14px;
}

/* Footer */
.site-footer {
  background-color: #222;
  color: #fff;
  margin-top: 50px;
  padding: 40px 20px 20px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.footer-widget {
  color: #ccc;
}

.footer-widget-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 15px;
}

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

.footer-widget li {
  margin-bottom: 10px;
}

.footer-widget a {
  color: #ccc;
  font-size: 14px;
}

.footer-widget a:hover {
  color: #0066cc;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #444;
  font-size: 14px;
  color: #999;
}

/* Page */
.page-title {
  font-size: 42px;
  margin-bottom: 30px;
  color: #000;
}

/* Comments */
.comments-area {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid #eee;
}

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

.comment {
  margin-bottom: 20px;
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 4px;
}

.comment-author {
  font-weight: 700;
  margin-bottom: 5px;
}

.comment-meta {
  font-size: 12px;
  color: #666;
  margin-bottom: 10px;
}

.comment-text {
  line-height: 1.6;
}

.comment-reply-link {
  display: inline-block;
  background-color: #0066cc;
  color: white;
  padding: 8px 15px;
  border-radius: 4px;
  font-size: 13px;
  margin-top: 10px;
}

.comment-reply-link:hover {
  background-color: #0052a3;
  color: white;
}

/* Buttons & Forms */
button, input[type="button"], input[type="submit"] {
  background-color: #0066cc;
  color: white;
  padding: 12px 25px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

button:hover, input[type="button"]:hover, input[type="submit"]:hover {
  background-color: #0052a3;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="url"]:focus,
textarea:focus {
  outline: none;
  border-color: #0066cc;
  box-shadow: 0 0 5px rgba(0,102,204,0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
  .site-header .header-inner {
  }

  .menu-toggle {
  }

  .main-navigation {
  }

  .main-navigation ul {
  }

  .main-navigation.active ul {
    display: flex;
  }

  .main-navigation ul li {
    border-bottom: 1px solid #eee;
  }

  .main-navigation a {
    display: block;
    padding: 15px 20px;
    border: none;
  }

  .main-navigation .sub-menu {
    position: static;
    box-shadow: none;
    background: #f0f0f0;
    margin-top: 0;
  }

  #content {
    grid-template-columns: 1fr;
  }

  .primary-sidebar {
    position: relative;
    top: auto;
  }

  main {
    padding: 20px;
  }

  .post-title {
    font-size: 24px;
  }

  .page-title {
    font-size: 28px;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .site-title {
    font-size: 22px;
  }

  .main-navigation ul {
    gap: 0;
  }

  .post-title {
    font-size: 20px;
  }

  .page-title {
    font-size: 24px;
  }

  button, input[type="button"], input[type="submit"] {
    width: 100%;
  }
}

/* Utility Classes */
.aligncenter {
  display: block;
  margin: 0 auto;
}

.alignleft {
  float: left;
  margin-right: 15px;
}

.alignright {
  float: right;
  margin-left: 15px;
}

.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  word-wrap: normal !important;
}

.clearfix:before,
.clearfix:after {
  content: "";
  display: table;
}

.clearfix:after {
  clear: both;
}