*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Poppins',sans-serif;background:linear-gradient(135deg,#0f0c29 0%,#1a1a3e 50%,#24243e 100%);color:#e0e0e0;min-height:100vh;line-height:1.6}
.main-header{background:linear-gradient(90deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);padding:12px 20px;display:flex;justify-content:space-between;align-items:center;position:fixed;top:0;left:0;right:0;z-index:1000;box-shadow:0 4px 20px rgba(0,0,0,0.5);border-bottom:1px solid rgba(255,215,0,0.3)}
.header-left{display:flex;align-items:center;gap:15px}
.header-logo{font-size:22px;font-weight:700;background:linear-gradient(90deg,#f0a500,#ffd700);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.header-logo i{background:none;-webkit-text-fill-color:#f0a500;margin-right:6px}
.header-right{display:flex;align-items:center;gap:12px}
.header-icon-btn{background:rgba(255,255,255,0.08);border:none;color:#fff;width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;transition:0.3s;position:relative}
.header-icon-btn:hover{background:rgba(240,165,0,0.25);color:#f0a500}
.notif-badge{position:absolute;top:-5px;right:-5px;background:#e74c3c;color:#fff;width:18px;height:18px;border-radius:50%;font-size:10px;display:flex;align-items:center;justify-content:center}
.user-avatar-btn{background:linear-gradient(135deg,#f0a500,#e67e22);border:none;width:38px;height:38px;border-radius:50%;color:#1a1a2e;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:700;transition:0.3s}
.user-dropdown{display:none;position:absolute;top:55px;right:15px;background:#1a1a2e;border-radius:15px;border:1px solid rgba(240,165,0,0.3);box-shadow:0 10px 30px rgba(0,0,0,0.6);z-index:2000;min-width:200px;overflow:hidden}
.user-dropdown.active{display:block}
.dropdown-header{padding:15px;background:rgba(240,165,0,0.1);text-align:center}
.dropdown-name{font-weight:600;color:#f0a500;font-size:15px}
.dropdown-balance{font-size:18px;font-weight:700;color:#f0a500;margin-top:4px}
.dropdown-menu-list{list-style:none}
.dropdown-item{padding:12px 20px;cursor:pointer;transition:0.2s;font-size:13px;display:flex;align-items:center;gap:10px;color:#ccc}
.dropdown-item:hover{background:rgba(240,165,0,0.15);color:#f0a500}
.dropdown-item.logout{color:#e74c3c}
.header-spacer{height:70px}
.menu-nav{display:flex;flex-wrap:wrap;gap:8px;padding:15px 20px;justify-content:center;background:rgba(0,0,0,0.3);border-bottom:1px solid rgba(255,255,255,0.05)}
.menu-item{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);color:#ccc;padding:10px 18px;border-radius:25px;cursor:pointer;font-size:13px;font-weight:500;transition:0.3s;display:flex;align-items:center;gap:6px;white-space:nowrap}
.menu-item.active,.menu-item:hover{background:linear-gradient(135deg,#f0a500,#e67e22);color:#1a1a2e;border-color:#f0a500;font-weight:600}
.main-content{max-width:900px;margin:0 auto;padding:20px}
.section{display:none;animation:fadeIn 0.4s ease}
.section.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}
.card{background:linear-gradient(145deg,#1e1e3a,#25254a);border-radius:20px;padding:22px;margin-bottom:18px;border:1px solid rgba(255,215,0,0.15);box-shadow:0 8px 25px rgba(0,0,0,0.3);transition:0.3s}
.card:hover{border-color:rgba(240,165,0,0.5);box-shadow:0 12px 35px rgba(240,165,0,0.15)}
.card-title{font-size:18px;font-weight:600;color:#f0a500;margin-bottom:15px;display:flex;align-items:center;gap:10px}
.card-title i{font-size:20px}
.section-title-bar{background:linear-gradient(90deg,rgba(240,165,0,0.2),transparent);padding:12px 20px;border-left:4px solid #f0a500;margin-bottom:20px;border-radius:0 12px 12px 0}
.section-title-bar h2{color:#f0a500;font-size:20px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:25px;border:none;font-weight:600;font-size:14px;cursor:pointer;transition:0.3s;font-family:inherit}
.btn-gold{background:linear-gradient(135deg,#f0a500,#e67e22);color:#1a1a2e}
.btn-gold:hover{box-shadow:0 6px 25px rgba(240,165,0,0.5);transform:translateY(-2px)}
.btn-outline{background:transparent;border:2px solid #f0a500;color:#f0a500}
.btn-outline:hover{background:#f0a500;color:#1a1a2e}
.btn-block{width:100%;justify-content:center}
.btn-disabled{opacity:0.5;pointer-events:none;cursor:not-allowed}
.balance-display{font-size:32px;font-weight:700;color:#f0a500;text-align:center;margin:10px 0}
.balance-label{font-size:13px;color:#999;text-align:center;text-transform:uppercase;letter-spacing:1px}
.info-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.06)}
.info-label{color:#999;font-size:13px}
.info-value{color:#f0a500;font-weight:600;font-size:14px}
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.8);z-index:3000;justify-content:center;align-items:center;padding:15px}
.modal-overlay.active{display:flex}
.modal-box{background:#1a1a2e;border-radius:20px;padding:25px;max-width:500px;width:100%;border:1px solid rgba(240,165,0,0.3);box-shadow:0 20px 50px rgba(0,0,0,0.7);position:relative;max-height:85vh;overflow-y:auto}
.modal-close{position:absolute;top:12px;right:16px;font-size:28px;cursor:pointer;color:#e74c3c;transition:0.3s}
.modal-close:hover{color:#f0a500}
.modal-box h3{text-align:center;color:#f0a500;margin-bottom:20px;font-size:20px}
.form-group{margin-bottom:15px}
.form-group label{display:block;margin-bottom:6px;font-size:13px;color:#aaa;font-weight:500}
.custom-input{width:100%;padding:12px 16px;background:#12122a;border:1px solid rgba(255,255,255,0.1);border-radius:12px;color:#fff;font-size:14px;font-family:inherit;transition:0.3s}
.custom-input:focus{outline:none;border-color:#f0a500;box-shadow:0 0 12px rgba(240,165,0,0.2)}
#toastContainer{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.toast{background:#1e1e3a;border-left:4px solid #f0a500;padding:14px 20px;border-radius:12px;color:#fff;font-size:14px;animation:slideInRight 0.4s ease;box-shadow:0 8px 25px rgba(0,0,0,0.5);max-width:350px}
@keyframes slideInRight{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
.shortlink-box{background:#12122a;padding:15px;border-radius:12px;text-align:center;margin:15px 0}
.shortlink-box a{color:#f0a500;font-size:16px;font-weight:600;word-break:break-all;text-decoration:underline}
.shortlink-box .copy-link-btn{margin-top:10px}
.notif-list{max-height:350px;overflow-y:auto}
.notif-item{padding:12px 15px;border-bottom:1px solid rgba(255,255,255,0.06);font-size:13px;color:#ccc}
.notif-item .notif-time{font-size:11px;color:#666;margin-top:4px}
.notif-item.unread{background:rgba(240,165,0,0.08);border-left:3px solid #f0a500}
.auth-switch{text-align:center;margin-top:15px;color:#f0a500;cursor:pointer;font-size:13px}
.auth-switch:hover{text-decoration:underline}
.main-footer{text-align:center;padding:25px;font-size:12px;color:#555;border-top:1px solid rgba(255,255,255,0.05);margin-top:30px}
@media(max-width:480px){.menu-item{padding:8px 12px;font-size:11px}.card{padding:15px}.balance-display{font-size:26px}}