:root {
            --primary:#00aaff; --primary-dark:#008ecc; --primary-light:#e0f2fe;
            --bg-body:#f8faff; --bg-card:#ffffff; --text-main:#1e293b;
            --text-muted:#64748b; --border-color:#e2e8f0;
            --sidebar-width:260px; --header-height:70px; --nav-height:70px;
            --shadow:0 8px 20px rgba(0,0,0,.08); --radius:16px;
            --success:#10b981; --warning:#f59e0b; --danger:#ef4444;
            --purple:#8b5cf6; --info:#3b82f6;
        }
        body.dark-mode {
            --primary:#53d6ff; --primary-dark:#00aaff; --primary-light:#1e3a8a;
            --bg-body:#0f172a; --bg-card:#1e293b; --text-main:#f1f5f9;
            --text-muted:#94a3b8; --border-color:#334155;
            --shadow:0 8px 20px rgba(0,0,0,.4);
        }
        *{margin:0;padding:0;box-sizing:border-box;font-family:'Poppins',sans-serif;transition:background .3s,color .3s,border-color .3s;}
        body{background:var(--bg-body);color:var(--text-main);min-height:100vh;display:flex;padding-bottom:var(--nav-height);overflow-x:hidden;}
        a{text-decoration:none;color:inherit;} ul{list-style:none;}

        /* ── SIDEBAR ── */
        .sidebar{width:var(--sidebar-width);height:100vh;background:var(--bg-card);position:fixed;top:0;left:0;z-index:1200;border-right:1px solid var(--border-color);display:flex;flex-direction:column;transition:transform .3s;}
        @media(max-width:768px){.sidebar{transform:translateX(-100%);width:280px;}.sidebar.active{transform:translateX(0);box-shadow:0 0 50px rgba(0,0,0,.5);}}
        .sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:999;backdrop-filter:blur(3px);}
        .sidebar-overlay.active{display:block;}
        .brand{height:var(--header-height);display:flex;align-items:center;padding:0 24px;border-bottom:1px solid var(--border-color);gap:12px;flex-shrink:0;}
        .brand-logo{width:45px;height:45px;overflow:hidden;flex-shrink:0;}
        .brand-logo img{width:100%;height:100%;object-fit:contain;}
        .brand-text{font-size:20px;font-weight:600;color:var(--primary);}
        .sidebar-menu{padding:20px 0;flex:1;overflow-y:auto;}
        .sidebar-menu::-webkit-scrollbar{width:6px;}
        .sidebar-menu::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px;}
        .menu-item{padding:12px 24px;display:flex;align-items:center;color:var(--text-muted);font-weight:500;border-left:4px solid transparent;margin-bottom:2px;}
        .menu-item i{width:25px;font-size:18px;margin-right:12px;text-align:center;}
        .menu-item:hover,.menu-item.active{background:var(--primary-light);color:var(--primary);border-left-color:var(--primary);}
        .sidebar-footer{padding:20px;border-top:1px solid var(--border-color);margin-top:auto;flex-shrink:0;}
        .logout-btn{width:100%;padding:12px;background:rgba(239,68,68,.1);color:#ef4444;border:none;border-radius:8px;cursor:pointer;font-weight:600;display:flex;align-items:center;justify-content:center;gap:10px;transition:.2s;}
        .logout-btn:hover{background:#ef4444;color:white;}

        /* ── MAIN ── */
        .main-content{margin-left:var(--sidebar-width);min-height:100vh;display:flex;flex-direction:column;width:calc(100% - var(--sidebar-width));flex-grow:1;}
        @media(max-width:768px){.main-content{margin-left:0;width:100%;}}

        /* ── HEADER ── */
        .top-header{height:var(--header-height);background:var(--bg-card);display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:sticky;top:0;z-index:900;border-bottom:1px solid var(--border-color);flex-shrink:0;}
        .header-logo{display:flex;align-items:center;gap:12px;}
        .header-logo-img{width:40px;height:40px;border-radius:10px;overflow:hidden;}
        .header-logo-img img{width:100%;height:100%;object-fit:contain;}
        .header-brand-text{font-size:23px;font-weight:700;color:var(--primary);}
        .menu-toggle{display:none;font-size:24px;cursor:pointer;color:var(--text-main);}
        @media(max-width:768px){.menu-toggle{display:block;}}
        .header-right{display:flex;align-items:center;gap:20px;}
        .notif-btn{position:relative;cursor:pointer;display:flex;align-items:center;}
        .notif-btn i{font-size:22px;color:var(--text-main);}
        .notif-badge{position:absolute;top:-8px;right:-8px;background:#ef4444;color:white;border-radius:50%;width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;border:2px solid var(--bg-card);}
        .eye-toggle{background:var(--primary-light);border:none;color:var(--text-main);width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;transition:.3s;}

        /* ── CONTAINER ── */
        .container{padding:0;max-width:100%;margin:0 auto;width:100%;flex:1;display:flex;flex-direction:column;}

        /* ── HERO ── */
        .support-hero{background:linear-gradient(135deg, #00aaff 0%, #0077cc 60%, #005fa3 100%);padding:50px 30px 60px;text-align:center;position:relative;overflow:hidden;}
        .support-hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");}
        .support-hero h1{font-size:28px;font-weight:700;color:white;margin-bottom:8px;position:relative;}
        .support-hero p{font-size:14px;color:rgba(255,255,255,.85);margin-bottom:28px;position:relative;}
        .hero-search-wrap{max-width:520px;margin:0 auto;position:relative;}
        .hero-search{width:100%;padding:14px 50px 14px 20px;border-radius:12px;border:none;font-size:14px;font-family:'Poppins',sans-serif;outline:none;box-shadow:0 8px 30px rgba(0,0,0,.15);}
        .hero-search-btn{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:var(--primary);border:none;color:white;width:38px;height:38px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:15px;}

        /* ── INNER CONTENT ── */
        .inner{padding:30px 30px;max-width:1100px;margin:0 auto;width:100%;}
        @media(max-width:768px){.inner{padding:20px 15px;padding-bottom:calc(var(--nav-height)+20px);}}

        /* ── QUICK ACTIONS ── */
        .quick-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:36px;margin-top:-34px;}
        .qa-card{background:var(--bg-card);border-radius:var(--radius);border:1.5px solid var(--border-color);padding:22px 20px;display:flex;align-items:center;gap:16px;cursor:pointer;transition:all .22s;box-shadow:var(--shadow);}
        .qa-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,170,255,.15);}
        .qa-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;}
        .qa-icon.blue{background:var(--primary-light);color:var(--primary);}
        .qa-icon.green{background:rgba(16,185,129,.12);color:var(--success);}
        .qa-icon.orange{background:rgba(245,158,11,.12);color:var(--warning);}
        .qa-icon.purple{background:rgba(139,92,246,.12);color:var(--purple);}
        .qa-info h4{font-size:14px;font-weight:600;color:var(--text-main);margin-bottom:2px;}
        .qa-info p{font-size:11px;color:var(--text-muted);}

        /* ── SECTION TITLE ── */
        .sec-title{font-size:17px;font-weight:700;color:var(--text-main);margin-bottom:18px;display:flex;align-items:center;gap:10px;}
        .sec-title i{color:var(--primary);}

        /* ── TICKET FORM CARD ── */
        .form-card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color);box-shadow:var(--shadow);padding:28px;margin-bottom:36px;}
        .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
        @media(max-width:600px){.form-grid{grid-template-columns:1fr;}}
        .form-full{grid-column:1/-1;}
        .form-group{display:flex;flex-direction:column;gap:6px;}
        .form-label{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px;}
        .form-input,.form-select,.form-textarea{padding:11px 14px;border:1.5px solid var(--border-color);border-radius:10px;background:var(--bg-body);color:var(--text-main);font-size:13px;font-family:'Poppins',sans-serif;transition:.2s;width:100%;}
        .form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,170,255,.1);}
        .form-textarea{resize:vertical;min-height:120px;line-height:1.6;}
        .form-select{cursor:pointer;}

        /* priority radio */
        .priority-wrap{display:flex;gap:10px;flex-wrap:wrap;}
        .priority-option{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1.5px solid var(--border-color);cursor:pointer;font-size:12px;font-weight:600;transition:.2s;user-select:none;}
        .priority-option input{display:none;}
        .priority-option.low{color:#10b981;}
        .priority-option.medium{color:var(--warning);}
        .priority-option.high{color:var(--danger);}
        .priority-option.checked.low{background:rgba(16,185,129,.1);border-color:#10b981;}
        .priority-option.checked.medium{background:rgba(245,158,11,.1);border-color:var(--warning);}
        .priority-option.checked.high{background:rgba(239,68,68,.1);border-color:var(--danger);}

        /* file upload */
        .file-upload-area{border:2px dashed var(--border-color);border-radius:10px;padding:20px;text-align:center;cursor:pointer;transition:.2s;position:relative;}
        .file-upload-area:hover{border-color:var(--primary);background:var(--primary-light);}
        .file-upload-area input{position:absolute;inset:0;opacity:0;cursor:pointer;}
        .file-upload-area i{font-size:28px;color:var(--text-muted);margin-bottom:8px;display:block;}
        .file-upload-area p{font-size:12px;color:var(--text-muted);}
        .file-upload-area .file-name{font-size:12px;color:var(--primary);font-weight:600;margin-top:6px;display:none;}
        .submit-btn{background:var(--primary);color:white;border:none;padding:13px 32px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;font-family:'Poppins',sans-serif;display:flex;align-items:center;gap:9px;transition:.2s;box-shadow:0 4px 14px rgba(0,170,255,.3);}
        .submit-btn:hover{background:var(--primary-dark);transform:translateY(-1px);}
        .submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none;}

        /* ── MY TICKETS ── */
        .tickets-list{display:flex;flex-direction:column;gap:12px;margin-bottom:36px;}
        .ticket-item{background:var(--bg-card);border-radius:12px;border:1.5px solid var(--border-color);padding:16px 20px;display:flex;align-items:center;gap:16px;transition:.2s;}
        .ticket-item:hover{border-color:var(--primary);box-shadow:0 4px 16px rgba(0,170,255,.1);}
        .ticket-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;}
        .ticket-info{flex:1;min-width:0;}
        .ticket-subject{font-size:13px;font-weight:600;color:var(--text-main);margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
        .ticket-meta{font-size:11px;color:var(--text-muted);}
        .ticket-status{padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700;flex-shrink:0;}
        .status-open{background:rgba(0,170,255,.1);color:var(--primary);}
        .status-pending{background:rgba(245,158,11,.1);color:var(--warning);}
        .status-resolved{background:rgba(16,185,129,.1);color:var(--success);}
        .status-closed{background:rgba(100,116,139,.1);color:var(--text-muted);}
        .no-tickets{text-align:center;padding:40px 20px;color:var(--text-muted);}
        .no-tickets i{font-size:40px;color:var(--border-color);margin-bottom:12px;display:block;}
        .no-tickets p{font-size:13px;}

        /* ── FAQ ── */
        .faq-tabs{display:flex;gap:6px;margin-bottom:20px;flex-wrap:wrap;}
        .faq-tab{padding:8px 18px;border-radius:20px;border:1.5px solid var(--border-color);font-size:12px;font-weight:600;cursor:pointer;color:var(--text-muted);background:var(--bg-card);transition:.2s;font-family:'Poppins',sans-serif;}
        .faq-tab.active{background:var(--primary);color:white;border-color:var(--primary);}
        .faq-tab:not(.active):hover{border-color:var(--primary);color:var(--primary);}
        .faq-list{display:flex;flex-direction:column;gap:10px;margin-bottom:36px;}
        .faq-item{background:var(--bg-card);border-radius:12px;border:1.5px solid var(--border-color);overflow:hidden;transition:.2s;}
        .faq-item.open{border-color:var(--primary);}
        .faq-question{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;gap:12px;}
        .faq-question span{font-size:13px;font-weight:600;color:var(--text-main);flex:1;}
        .faq-chevron{font-size:13px;color:var(--text-muted);transition:transform .25s;flex-shrink:0;}
        .faq-item.open .faq-chevron{transform:rotate(180deg);color:var(--primary);}
        .faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;}
        .faq-item.open .faq-answer{max-height:400px;}
        .faq-answer-inner{padding:0 20px 16px;font-size:13px;color:var(--text-muted);line-height:1.7;}

        /* ── EMAIL CONTACT FIXED CIRCLE ── */
        .email-contact-btn{
            position:fixed;
            bottom:calc(var(--nav-height) + 80px);
            right:24px;
            z-index:800;
            display:flex;
            flex-direction:column;
            align-items:center;
            gap:6px;
        }
        .email-circle{
            width:52px;height:52px;
            border-radius:50%;
            background:var(--primary);
            color:white;
            display:flex;align-items:center;justify-content:center;
            font-size:20px;
            box-shadow:0 6px 20px rgba(0,170,255,.4);
            cursor:pointer;
            transition:.2s;
            text-decoration:none;
        }
        .email-circle:hover{transform:scale(1.08);box-shadow:0 8px 28px rgba(0,170,255,.5);}
        .email-circle-label{font-size:9px;font-weight:700;color:var(--text-muted);text-align:center;max-width:60px;line-height:1.3;}

        /* ── BOTTOM NAV ── */
        .bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-height);background:var(--bg-card);border-top:1px solid var(--border-color);display:flex;justify-content:space-around;align-items:center;z-index:1000;padding:0 20px;box-shadow:0 -5px 20px rgba(0,0,0,.1);}
        .nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:var(--text-muted);padding:8px 12px;border-radius:10px;transition:.3s;flex:1;max-width:80px;text-decoration:none;}
        .nav-item i{font-size:20px;}.nav-item span{font-size:11px;font-weight:500;}
        .nav-item.active,.nav-item:hover{color:var(--primary);background:var(--primary-light);}

        /* ── TOAST ── */
        .toast-container{position:fixed;top:20px;right:20px;z-index:4000;display:flex;flex-direction:column;gap:10px;}
        .toast{background:var(--bg-card);border-radius:12px;padding:14px 18px;min-width:260px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px;animation:slideInRight .3s;border:1px solid var(--border-color);}
        .toast.success{border-left:4px solid var(--success);}
        .toast.error{border-left:4px solid var(--danger);}
        .toast.info{border-left:4px solid var(--primary);}
        .toast i{font-size:18px;}
        .toast.success i{color:var(--success);}.toast.error i{color:var(--danger);}.toast.info i{color:var(--primary);}
        .toast p{font-size:13px;color:var(--text-muted);margin:0;flex:1;}
        @keyframes slideInRight{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

        /* ── LOGOUT MODAL ── */
        .modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:3000;align-items:center;justify-content:center;backdrop-filter:blur(3px);}
        .modal-overlay.active{display:flex;}
        .mini-modal{background:var(--bg-card);border-radius:20px;padding:30px;max-width:380px;width:90%;text-align:center;box-shadow:var(--shadow);border:1px solid var(--border-color);animation:slideUp .3s;}
        @keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
        .mini-modal .m-icon{font-size:46px;color:var(--danger);margin-bottom:14px;display:block;}
        .mini-modal h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--danger);}
        .mini-modal p{font-size:13px;color:var(--text-muted);margin-bottom:22px;line-height:1.6;}
        .mini-modal-btns{display:flex;gap:12px;}
        .mini-modal-btns button{flex:1;padding:11px;border-radius:9px;border:none;font-weight:600;font-size:13px;cursor:pointer;font-family:'Poppins',sans-serif;transition:.2s;}
        .btn-m-cancel{background:var(--border-color);color:var(--text-main);}
        .btn-m-cancel:hover{background:#cbd5e1;}
        .btn-m-danger{background:var(--danger);color:white;}
        .btn-m-danger:hover{background:#dc2626;}

        /* ── SUCCESS ANIMATION ── */
        .form-success{display:none;text-align:center;padding:40px 20px;animation:fadeIn .4s;}
        @keyframes fadeIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
        .form-success i{font-size:52px;color:var(--success);margin-bottom:16px;display:block;}
        .form-success h3{font-size:18px;font-weight:700;margin-bottom:8px;}
        .form-success p{font-size:13px;color:var(--text-muted);margin-bottom:20px;}
        .form-success button{background:var(--primary);color:white;border:none;padding:10px 24px;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;font-family:'Poppins',sans-serif;}

        .menu-group-label {
            padding: 16px 24px 5px;
            font-size: 10px;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--text-muted);
            opacity: 0.55;
            pointer-events: none;
            user-select: none;
            list-style: none;
        }