/* Base Variables & Theme */
        :root {
            --primary-color: #14b18e; 
            --primary-dark: #0f8b6f;
            --dark-bg: #2c3e50; 
            --darker-bg: #1a252f;
            --text-dark: #333333;
            --text-light: #555555;
            --bg-light: #f4f7f6;
            --border-color: #e2e8f0;
        }
        body { font-family: Arial, Helvetica, sans-serif; margin: 0; padding: 0; color: var(--text-dark); line-height: 1.6; background-color: #ffffff; }
        a { text-decoration: none; color: var(--primary-color); transition: 0.3s; }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: 6px;}
        
        .container { width: 90%; max-width: 1200px; margin: 0 auto; }
        .section-padding { padding: 60px 0; }
        .bg-light { background-color: var(--bg-light); }

        /* Buttons */
        .btn { display: inline-block; padding: 10px 24px; background-color: var(--primary-color); color: #fff; font-weight: bold; border-radius: 4px; border: 2px solid var(--primary-color); cursor: pointer; transition: 0.3s; font-size: 14px; text-transform: uppercase; letter-spacing: 0.5px;}
        .btn:hover { background-color: transparent; color: var(--primary-color); }
        .btn-outline { background-color: transparent; color: var(--primary-color); border-color: var(--primary-color); }
        .btn-outline:hover { background-color: var(--primary-color); color: #fff; }

        /* Header Navigation */
        .header { background: #fff; padding: 15px 0; box-shadow: 0 2px 15px rgba(0,0,0,0.06); position: sticky; top: 0; z-index: 1000; }
        .nav-container { display: flex; justify-content: space-between; align-items: center; }
        .logo { font-size: 32px; font-weight: 900; color: var(--dark-bg); letter-spacing: -1px;}
        .logo span { color: var(--primary-color); }
        .main-menu { display: flex; gap: 28px; align-items: center; }
        .main-menu a { color: #333; font-size: 13px; font-weight: 700; text-transform: uppercase; }
        .main-menu a:hover, .main-menu a.active { color: var(--primary-color); }
        .main-menu a.active { border-bottom: 2px solid var(--primary-color); padding-bottom: 5px;}
        .nav-actions { display: flex; gap: 15px; align-items: center; }

        /* --- Article Layout --- */
        .article-layout { display: flex; gap: 50px; align-items: flex-start; }
        .article-main { flex: 2.2; }
        .article-sidebar { flex: 1; position: sticky; top: 100px; } /* Sidebar stays in view when scrolling */

        /* --- Article Header --- */
        .article-header { margin-bottom: 30px; border-bottom: 1px solid var(--border-color); padding-bottom: 25px;}
        .article-tag { 
            background: rgba(20, 177, 142, 0.1); color: var(--primary-color); font-size: 12px; font-weight: bold; 
            text-transform: uppercase; padding: 6px 12px; border-radius: 4px; display: inline-block; margin-bottom: 20px; letter-spacing: 1px;
        }
        .article-header h1 { font-size: 36px; color: var(--dark-bg); margin: 0 0 20px 0; line-height: 1.3; font-weight: 800;}
        .article-meta { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px;}
        .meta-left { display: flex; gap: 20px; align-items: center; font-size: 13px; color: #888;}
        .author-info { display: flex; align-items: center; gap: 10px; font-weight: bold; color: var(--dark-bg);}
        .author-info img { width: 35px; height: 35px; border-radius: 50%; object-fit: cover;}
        
        .share-buttons { display: flex; gap: 10px; }
        .share-btn { width: 32px; height: 32px; border-radius: 50%; background: var(--bg-light); display: flex; align-items: center; justify-content: center; color: #666; font-size: 14px; border: 1px solid var(--border-color); transition: 0.3s; cursor: pointer;}
        .share-btn:hover { background: var(--primary-color); color: #fff; border-color: var(--primary-color); transform: translateY(-2px);}

        /* --- Article Content Styling --- */
        .article-hero-img { width: 100%; height: 450px; object-fit: cover; margin-bottom: 40px; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.05);}
        .img-caption { text-align: center; font-size: 12px; color: #999; margin-top: -30px; margin-bottom: 40px; }
        
        .article-body { font-size: 17px; color: var(--text-light); line-height: 1.9; }
        .article-body p { margin-bottom: 25px; }
        .article-body h3 { font-size: 24px; color: var(--dark-bg); margin: 40px 0 20px 0; line-height: 1.4; border-bottom: 1px solid #eee; padding-bottom: 10px;}
        .article-body h4 { font-size: 18px; color: var(--dark-bg); margin: 30px 0 15px 0;}
        .article-body ul, .article-body ol { margin-bottom: 25px; padding-left: 20px; }
        .article-body li { margin-bottom: 10px; }
        .article-body strong { color: var(--text-dark); }
        
        /* Blockquote Styling */
        .article-body blockquote { 
            margin: 40px 0; padding: 25px 30px; background: var(--bg-light); 
            border-left: 5px solid var(--primary-color); border-radius: 0 8px 8px 0;
            font-size: 18px; font-style: italic; color: var(--dark-bg); line-height: 1.7; position: relative;
        }
        .article-body blockquote::before { content: '"'; font-size: 60px; color: rgba(20, 177, 142, 0.1); position: absolute; top: -10px; left: 15px; font-family: Georgia, serif; line-height: 1;}
        .blockquote-cite { display: block; font-size: 14px; font-weight: bold; color: var(--text-light); margin-top: 15px; font-style: normal;}

        /* Data Table inside Article */
        .article-table { width: 100%; border-collapse: collapse; margin: 30px 0; font-size: 14px; }
        .article-table th { background: var(--dark-bg); color: #fff; padding: 12px 15px; text-align: left; }
        .article-table td { padding: 12px 15px; border-bottom: 1px solid var(--border-color); }
        .article-table tr:nth-child(even) { background: var(--bg-light); }

        /* Article Tags Bottom */
        .article-footer-tags { margin-top: 50px; padding-top: 20px; border-top: 1px dashed var(--border-color); display: flex; gap: 10px; align-items: center;}
        .article-footer-tags span { font-size: 13px; font-weight: bold; color: var(--dark-bg);}
        .tag-pill { background: #fff; border: 1px solid var(--border-color); color: #666; font-size: 12px; padding: 4px 12px; border-radius: 20px; transition: 0.3s;}
        .tag-pill:hover { border-color: var(--primary-color); color: var(--primary-color);}

        /* --- Sidebar Widgets --- */
        .sidebar-widget { background: #fff; border-radius: 8px; padding: 30px; margin-bottom: 30px; border: 1px solid var(--border-color); box-shadow: 0 10px 25px rgba(0,0,0,0.02);}
        .widget-title { font-size: 16px; color: var(--dark-bg); margin: 0 0 20px 0; padding-bottom: 10px; border-bottom: 2px solid var(--primary-color); display: inline-block; text-transform: uppercase;}
        
        /* Author Card */
        .author-widget { text-align: center; background: linear-gradient(180deg, #f4f7f6 0%, #ffffff 100%); }
        .author-widget img { border-radius: 50%; margin: 0 auto 15px auto; object-fit: cover; border: 3px solid #fff; box-shadow: 0 5px 15px rgba(0,0,0,0.1);}
        .author-widget h3 { font-size: 18px; margin: 0 0 5px 0; color: var(--dark-bg);}
        .author-widget span { font-size: 12px; color: var(--primary-color); font-weight: bold; display: block; margin-bottom: 15px;}
        .author-widget p { font-size: 13px; color: var(--text-light); line-height: 1.6; margin-bottom: 20px;}
        
        /* Report Promo (Upsell) */
        .promo-widget { background: var(--darker-bg); color: #fff; border: none;}
        .promo-widget .widget-title { color: #fff; border-color: var(--primary-color);}
        .promo-cover { width: 100px; height: 140px; background: linear-gradient(135deg, var(--dark-bg), #111); border-left: 4px solid var(--primary-color); margin: 0 auto 20px auto; border-radius: 2px 6px 6px 2px; box-shadow: 5px 5px 15px rgba(0,0,0,0.3); display: flex; align-items: center; justify-content: center; text-align: center; padding: 10px; font-size: 10px; font-weight: bold; color: #cbd5e1;}
        .promo-widget h4 { margin: 0 0 10px 0; font-size: 16px; line-height: 1.3;}
        .promo-widget p { font-size: 12px; color: #cbd5e1; margin-bottom: 20px;}
        .promo-widget .btn { width: 100%; box-sizing: border-box; text-align: center;}

        /* Popular Articles */
        .pop-list { display: flex; flex-direction: column; gap: 15px;}
        .pop-item { display: flex; gap: 15px; align-items: center;}
        .pop-img { width: 70px; height: 50px; border-radius: 4px; object-fit: cover;}
        .pop-text h5 { margin: 0 0 5px 0; font-size: 13px; line-height: 1.3;}
        .pop-text h5 a { color: var(--dark-bg); }
        .pop-text h5 a:hover { color: var(--primary-color); }
        .pop-text span { font-size: 11px; color: #999;}

        /* --- Bottom Related News --- */
        .related-section { background: var(--bg-light); padding: 60px 0; border-top: 1px solid var(--border-color);}
        .related-header { font-size: 24px; color: var(--dark-bg); margin: 0 0 30px 0; text-align: center;}
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .r-card { background: #fff; border-radius: 6px; overflow: hidden; border: 1px solid var(--border-color); transition: 0.3s;}
        .r-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.06); border-color: var(--primary-color);}
        .r-img { width: 100%; height: 180px; object-fit: cover;}
        .r-content { padding: 20px; }
        .r-tag { font-size: 10px; color: var(--primary-color); font-weight: bold; text-transform: uppercase; margin-bottom: 8px; display: block;}
        .r-content h4 { margin: 0 0 10px 0; font-size: 16px; line-height: 1.4; color: var(--dark-bg);}
        .r-content p { font-size: 13px; color: var(--text-light); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;}

         /* Form Visibility Logic */
        .auth-form-container { 
		    background: #fff; width: 100%; max-width: 600px;
            border: 1px solid #ccc;
            margin:auto;
		 }
        /* Verification Code Input Wrapper */
        .verify-wrapper { display: flex; gap: 10px; }
        .verify-wrapper input { flex: 1; }
        .btn-verify { 
            background: var(--bg-light); color: var(--dark-bg); border: 1px solid #ccc; 
            padding: 0 20px; border-radius: 4px; font-weight: bold; font-size: 13px; 
            cursor: pointer; transition: 0.3s; white-space: nowrap;
        }
        .btn-verify:hover { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }

        .auth-actions { margin-top: 35px; }
        .auth-actions .btn { width: 100%; box-sizing: border-box; }
        
        .forgot-pass { display: block; text-align: right; font-size: 12px; margin-top: 10px; font-weight: bold; }

		.error-message {
				color: #e74c3c;
				font-size: 15px;
				margin-top: 5px;
				min-height: 20px;
				text-align:center;
			}
			.form-control.error {
				border-color: #e74c3c;
			}
			.form-control.valid {
				border-color: #2ecc71;
			}
        .login-form, .register-form { width: 80%; margin:auto; padding:20px; }
        
        #tab-login:checked ~ .auth-form-container .login-form { display: block; }
        #tab-register:checked ~ .auth-form-container .register-form { display: block; }

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

        /* Form Inputs Styling */
        .form-group { margin-bottom: 20px; }
        .form-row { display: flex; gap: 20px; margin-bottom: 20px; }
        
        .form-label { display: block; font-size: 12px; font-weight: bold; color: var(--dark-bg); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px;}
        .form-control, .form-select { 
            width: 100%; padding: 14px 15px; border: 1px solid #ccc; border-radius: 4px; 
            box-sizing: border-box; font-family: inherit; font-size: 14px; color: var(--text-dark); 
            transition: 0.3s; background: #fdfdfd; 
        }
        select.form-select { cursor: pointer; }
        .form-control:focus, .form-select:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(20, 177, 142, 0.1); background: #fff;}
        .form-control::placeholder { color: #aaa; }


        /* Footer */
        footer { background: var(--darker-bg); color: #94a3b8; padding: 60px 0 20px 0; font-size: 14px; }
        .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
        .footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 25px; text-transform: uppercase; position: relative; padding-bottom: 10px;}
        .footer-col h4::after { content:''; position:absolute; bottom:0; left:0; width:30px; height:2px; background:var(--primary-color); }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 12px; }
        .footer-col a { color: #94a3b8; }
        .footer-col a:hover { color: var(--primary-color); }
        .footer-bottom { text-align: center; border-top: 1px solid rgba(255,255,255,0.05); margin-top: 50px; padding-top: 25px; font-size: 13px;}

        /* =========================================
           H5 / Mobile Responsive Optimization
           ========================================= */
        @media (max-width: 768px) {
            /* Header & Navigation - App Style Horizontal Scroll */
            .header { padding: 10px 0; }
            .nav-container { flex-direction: row; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; }
            .logo { max-width: 120px; }
            .logo img { max-height: 30px; width: auto; }
            .nav-actions { gap: 10px; }
            .nav-actions span { display: none; } 
            .nav-actions a { font-size: 12px !important; }
            .nav-actions .btn { padding: 6px 12px !important; font-size: 12px !important; }
            
            .main-menu { 
                width: 100%; flex-wrap: nowrap; justify-content: flex-start; 
                overflow-x: auto; -webkit-overflow-scrolling: touch; 
                gap: 20px; padding: 12px 5px 5px 5px; 
                border-top: 1px solid var(--border-color); margin-top: 5px;
            }
            .main-menu::-webkit-scrollbar { display: none; }
            .main-menu { -ms-overflow-style: none; scrollbar-width: none; }
            .main-menu a { white-space: nowrap; font-size: 13px; }

            /* Article Layout */
            .section-padding { padding: 30px 0; }
            .article-layout { flex-direction: column; gap: 40px; }
            
            /* Article Header */
            .article-header h1 { font-size: 26px; }
            .meta-left { flex-direction: column; align-items: flex-start; gap: 10px; }
            
            /* Article Content */
            .article-hero-img { height: 250px; margin-bottom: 20px; }
            .img-caption { margin-top: -10px; margin-bottom: 25px; }
            .article-body { font-size: 16px; }
            .article-body h3 { font-size: 22px; margin: 30px 0 15px 0; }
            .article-body blockquote { padding: 20px; font-size: 16px; margin: 30px 0; }
            
            /* Table Horizontal Scroll */
            .article-body { overflow-x: hidden; }
            .table-responsive { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 25px 0; }
            .article-table { margin: 0; min-width: 500px; }

            /* Tags */
            .article-footer-tags { flex-wrap: wrap; }

            /* Sidebar */
            .article-sidebar { position: static; } /* Disable sticky on mobile */
            
            /* Related News Grid */
            .related-grid { grid-template-columns: 1fr; gap: 20px; }
            
            /* Footer */
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
        }