/* =============================================
   MUA SẮM VUI - Redesigned UI v3
   Clean · Balanced · Premium Feel
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&display=swap');

:root {
    --bg: #F0F2F8;
    --bg-card: #FFFFFF;
    --bg-input: #EEF1F7;
    --bg-nav: rgba(255,255,255,0.92);
    --accent: #4A6CF7;
    --accent-soft: rgba(74,108,247,0.10);
    --accent-dark: #3451D1;
    --accent-light: #EEF1FF;
    --green: #10B981;
    --green-soft: rgba(16,185,129,0.10);
    --red: #EF4444;
    --red-soft: rgba(239,68,68,0.10);
    --orange: #F59E0B;
    --orange-soft: rgba(245,158,11,0.10);
    --purple: #7C3AED;
    --purple-soft: rgba(124,58,237,0.10);
    --text: #0F172A;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --radius: 18px;
    --radius-sm: 14px;
    --radius-xs: 10px;
    --radius-pill: 100px;
    --shadow-xs: 0 1px 2px rgba(15,23,42,0.04);
    --shadow-sm: 0 2px 8px rgba(15,23,42,0.06);
    --shadow: 0 4px 16px rgba(15,23,42,0.08);
    --shadow-lg: 0 12px 40px rgba(15,23,42,0.14);
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --tab-h: 64px;
    --header-h: 56px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden;font-family:'Nunito',-apple-system,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;font-size:15px;line-height:1.5}
#app{height:100%;display:flex;flex-direction:column;background:var(--bg)}

/* Loading */
#loading-screen{position:fixed;inset:0;z-index:9999;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;transition:opacity .4s,visibility .4s}
#loading-screen.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader-logo{display:flex;align-items:center;gap:12px;font-size:26px;font-weight:900;color:var(--accent);letter-spacing:-0.5px}
.loader-logo i{font-size:32px;animation:bounce .8s infinite alternate}
@keyframes bounce{to{transform:translateY(-8px)}}
@keyframes notif-pop{0%{transform:scale(0)}60%{transform:scale(1.2)}100%{transform:scale(1)}}
@keyframes bell-ring{0%,100%{transform:rotate(0)}10%,30%{transform:rotate(-15deg)}20%,40%{transform:rotate(15deg)}50%{transform:rotate(0)}}
.loader-bar{width:200px;height:4px;background:var(--bg-input);border-radius:4px;overflow:hidden}
.loader-progress{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--purple));border-radius:4px;animation:load 1.2s ease forwards}
@keyframes load{to{width:100%}}

/* Header */
.app-header{padding:calc(var(--safe-top) + 10px) 16px 10px;background:var(--bg-nav);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-light);min-height:var(--header-h)}
.header-logo{display:flex;align-items:center;gap:9px;font-size:18px;font-weight:900;color:var(--accent);letter-spacing:-0.3px}
.header-logo i{font-size:20px}
.header-actions{display:flex;gap:8px;align-items:center}
.header-btn{width:38px;height:38px;border-radius:var(--radius-xs);background:var(--bg-input);border:none;color:var(--text-secondary);font-size:16px;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative;transition:all .2s}
.header-btn:active{transform:scale(.88);background:var(--border)}
.header-btn-help{width:38px;height:38px;padding:0;background:linear-gradient(135deg,#4A6CF7,#6C8EFF);color:#fff;font-size:17px;border-radius:50%;text-decoration:none;box-shadow:0 3px 10px rgba(74,108,247,0.35);animation:help-pulse 2.5s ease-in-out infinite}
.header-btn-help:active{transform:scale(.9);box-shadow:0 1px 4px rgba(74,108,247,0.2)}
@keyframes help-pulse{0%,100%{box-shadow:0 3px 10px rgba(74,108,247,0.35)}50%{box-shadow:0 3px 18px rgba(74,108,247,0.6)}}
.notif-badge{position:absolute;top:-4px;right:-4px;background:var(--red);color:#fff;font-size:10px;font-weight:800;min-width:18px;height:18px;border-radius:9px;display:none;align-items:center;justify-content:center;padding:0 4px;border:2px solid #fff;animation:notif-pop .2s ease}
.user-avatar-sm{width:38px;height:38px;border-radius:var(--radius-xs);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:22px;background:var(--accent-soft);border:2px solid var(--accent-light);transition:all .2s}
.user-avatar-sm:active{transform:scale(.88)}

/* Main content */
.main-content{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;padding-bottom:calc(var(--tab-h) + var(--safe-bottom) + 88px)}

/* Tab bar */
.tab-bar{position:fixed;bottom:0;left:0;right:0;height:calc(var(--tab-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--bg-nav);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-top:1px solid var(--border-light);display:flex;z-index:100;box-shadow:0 -4px 20px rgba(15,23,42,0.06)}
.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;transition:all .2s;color:var(--text-muted);text-decoration:none;position:relative;background:none;border:none;padding:0;font-family:inherit}
.tab-item.active{color:var(--accent)}
.tab-item.active::before{content:'';position:absolute;top:0;width:28px;height:3px;border-radius:0 0 4px 4px;background:var(--accent)}
.tab-item i{font-size:20px;transition:transform .2s}
.tab-item.active i{transform:translateY(-1px)}
.tab-item span{font-size:10.5px;font-weight:700;letter-spacing:0.2px}

/* Cards */
.card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm)}
.section-header{display:flex;align-items:center;justify-content:space-between;padding:18px 16px 10px}
.section-title{font-size:16px;font-weight:800;display:flex;align-items:center;gap:7px;letter-spacing:-0.2px}
.section-title i{color:var(--accent);font-size:15px}
.section-more{font-size:12.5px;color:var(--accent);cursor:pointer;font-weight:700;padding:4px 12px;background:var(--accent-soft);border-radius:var(--radius-pill);border:none;transition:all .2s;font-family:inherit}
.section-more:active{opacity:.7}

/* Deal card */
.deal-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .18s,box-shadow .18s;box-shadow:var(--shadow-sm)}
.deal-card:active{transform:scale(.96);box-shadow:var(--shadow-xs)}
.deal-card-img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg-input)}
.deal-card-body{padding:10px 12px 13px}
.deal-card-title{font-size:12.5px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px;color:var(--text)}
.deal-prices{display:flex;align-items:center;gap:5px;margin-bottom:7px;flex-wrap:wrap}
.deal-price-sale{color:var(--red);font-size:15px;font-weight:800}
.deal-price-original{color:var(--text-muted);font-size:11px;text-decoration:line-through}
.deal-discount{background:var(--red-soft);color:var(--red);font-size:10px;font-weight:800;padding:2px 7px;border-radius:6px}
.deal-meta{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--text-muted);font-weight:600}
.deal-meta i{margin-right:2px}
.deal-store-tag{font-size:10px;font-weight:800;padding:3px 9px;border-radius:var(--radius-pill);display:inline-block;margin-bottom:5px;letter-spacing:0.2px}
.store-shopee{background:#FFF0EE;color:#EE4D2D}
.store-lazada{background:#EEEDFF;color:#4F46E5}
.store-tiktok{background:#E7FFFE;color:#0EA5E9}
.store-khac{background:var(--bg-input);color:var(--text-secondary)}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding:0 16px;align-items:stretch}
.scroll-h{display:flex;gap:10px;overflow-x:auto;padding:0 16px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:4px;align-items:stretch}
.scroll-h::-webkit-scrollbar{display:none}
.scroll-h .deal-card{min-width:172px;max-width:172px;scroll-snap-align:start;flex-shrink:0}

/* Deal list item */
.deal-list-item{display:flex;gap:13px;padding:13px 14px;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-sm);margin-bottom:9px;cursor:pointer;transition:all .18s;box-shadow:var(--shadow-xs);align-items:center}
.deal-list-item:active{transform:scale(.98);background:var(--bg-input)}
.deal-list-img{width:74px;height:74px;border-radius:var(--radius-xs);object-fit:cover;background:var(--bg-input);flex-shrink:0;border:1px solid var(--border-light)}
.deal-list-info{flex:1;min-width:0}
.deal-list-footer{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-top:5px}
.deal-user-badge{display:flex;align-items:center;gap:4px;font-size:11px;cursor:pointer;flex-shrink:0;font-weight:600}
.deal-user-badge:active{opacity:.7}
.deal-meta-right{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--text-muted);font-weight:600}
.deal-meta-right i{margin-right:2px}

/* Rank badges */
.rk{font-size:9px;font-weight:800;padding:2px 7px;border-radius:5px;white-space:nowrap}
.rk-starter{background:var(--bg-input);color:var(--text-muted)}
.rk-newbie{background:rgba(16,185,129,0.12);color:#10B981}
.rk-hunter{background:rgba(16,185,129,0.18);color:#059669}
.rk-pro{background:linear-gradient(135deg,rgba(59,130,246,0.15),rgba(99,102,241,0.15));color:#3B82F6}
.rk-master{background:linear-gradient(135deg,rgba(124,58,237,0.15),rgba(168,85,247,0.15));color:#7C3AED;animation:glow-p 3s infinite}
.rk-mythic{background:linear-gradient(135deg,rgba(239,68,68,0.12),rgba(249,115,22,0.12));color:#EF4444;animation:glow-p 2s infinite;box-shadow:0 0 8px rgba(239,68,68,0.2)}
.rk-legend{background:linear-gradient(135deg,#F59E0B,#F97316);color:#fff;animation:legend-shine 2s infinite;box-shadow:0 0 12px rgba(245,158,11,0.3)}
@keyframes legend-shine{0%,100%{filter:brightness(1) drop-shadow(0 0 4px rgba(245,158,11,0.4))}50%{filter:brightness(1.2) drop-shadow(0 0 8px rgba(245,158,11,0.6))}}
.rk-name-default,.rk-name-starter{color:var(--text-secondary)}
.rk-name-newbie{color:#10B981}
.rk-name-hunter{color:#059669;font-weight:700}
.rk-name-pro{color:#3B82F6;font-weight:700}
.rk-name-master{color:#7C3AED;font-weight:700}
.rk-name-mythic{color:#EF4444;font-weight:800}
.rk-name-legend{color:#F59E0B;font-weight:800;text-shadow:0 0 8px rgba(245,158,11,0.3)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:12px 22px;border-radius:var(--radius-sm);font-size:14px;font-weight:700;border:none;cursor:pointer;transition:all .18s;font-family:inherit;letter-spacing:0.1px}
.btn:active{transform:scale(.95)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(74,108,247,0.35)}
.btn-primary:active{box-shadow:0 2px 6px rgba(74,108,247,0.2)}
.btn-secondary{background:var(--bg-input);color:var(--text);border:1.5px solid var(--border)}
.btn-danger{background:var(--red);color:#fff}
.btn-success{background:var(--green);color:#fff}
.btn-sm{padding:8px 15px;font-size:12px;border-radius:var(--radius-xs)}
.btn-full{width:100%}

/* Forms */
.form-group{margin-bottom:15px}
.form-label{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:700;color:var(--text-secondary);margin-bottom:6px}
.word-counter{font-size:11px;font-weight:600;color:var(--text-muted)}
.word-counter.ok{color:var(--green)}
.word-counter.over{color:var(--red);font-weight:800}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 15px;background:var(--bg-input);border:1.5px solid var(--border);border-radius:var(--radius-xs);color:var(--text);font-size:14px;font-weight:600;font-family:inherit;transition:border-color .2s,box-shadow .2s,background .2s}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(74,108,247,0.12);background:#fff}
.form-input.error,.form-textarea.error{border-color:var(--red);box-shadow:0 0 0 3px rgba(239,68,68,0.1)}
.form-textarea{min-height:95px;resize:vertical}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg fill='%2364748B' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:20px;padding-right:36px}

.filter-bar{padding:10px 16px;display:flex;flex-wrap:nowrap;gap:7px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.filter-bar::-webkit-scrollbar{display:none}
.filter-chip{padding:6px 14px;border-radius:var(--radius-pill);font-size:12px;font-weight:700;cursor:pointer;transition:all .18s;background:var(--bg-card);color:var(--text-secondary);border:1.5px solid var(--border);white-space:nowrap;font-family:inherit;flex-shrink:0}
.filter-chip.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 3px 10px rgba(74,108,247,0.3)}

.vote-bar{display:flex;align-items:center;gap:5px}
.vote-btn{display:flex;align-items:center;gap:5px;padding:8px 14px;border-radius:var(--radius-pill);font-size:13px;font-weight:700;cursor:pointer;background:var(--bg-input);border:1.5px solid var(--border);color:var(--text-secondary);transition:all .18s;font-family:inherit}
.vote-btn:active{transform:scale(.92)}
.vote-btn.voted-up{background:var(--green-soft);color:var(--green);border-color:var(--green)}
.vote-btn.voted-down{background:var(--red-soft);color:var(--red);border-color:var(--red)}

/* Modals */
.modal-overlay{position:fixed;inset:0;z-index:200;background:rgba(15,23,42,0.4);backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;opacity:0;visibility:hidden;transition:all .3s}
.modal-overlay.active{opacity:1;visibility:visible}
body.modal-open{overflow:hidden}
.modal-sheet{width:100%;max-width:480px;max-height:88vh;overflow-y:scroll;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain;background:#fff;border-radius:24px 24px 0 0;padding:0 20px calc(var(--safe-bottom) + 28px);transform:translateY(100%);transition:transform .35s cubic-bezier(.32,.72,0,1)}
.modal-overlay.active .modal-sheet{transform:translateY(0)}
.modal-top{display:flex;align-items:center;justify-content:space-between;padding:18px 0 14px;position:sticky;top:0;background:#fff;z-index:2}
.modal-top::before{content:'';position:absolute;top:10px;left:50%;transform:translateX(-50%);width:40px;height:4px;background:var(--border);border-radius:2px}
.modal-title{font-size:17px;font-weight:800}
.modal-close{width:32px;height:32px;border-radius:50%;background:var(--bg-input);border:none;color:var(--text-secondary);font-size:14px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}
.modal-close:active{background:var(--border);transform:scale(.88)}

.page-modal{position:fixed;inset:0;z-index:150;background:var(--bg);transform:translateX(100%);transition:transform .32s cubic-bezier(.32,.72,0,1);overflow-y:auto;-webkit-overflow-scrolling:touch}
.page-modal.active{transform:translateX(0)}
.page-header{position:sticky;top:0;z-index:10;padding:calc(var(--safe-top) + 10px) 16px 10px;background:var(--bg-nav);backdrop-filter:blur(24px);display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border-light);min-height:var(--header-h)}
.page-header-title{font-size:16px;font-weight:800;flex:1}
.back-btn{width:36px;height:36px;border-radius:var(--radius-xs);background:var(--bg-input);border:none;color:var(--text);font-size:16px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}
.back-btn:active{transform:scale(.88);background:var(--border)}

.tag{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:7px;font-size:10.5px;font-weight:800}
.tag-hot{background:linear-gradient(135deg,#FF6B6B,#FF8E53);color:#fff;animation:glow-p 2s infinite}
.tag-trending{background:linear-gradient(135deg,#F59E0B,#F97316);color:#fff;animation:glow-p 2.5s infinite}
.tag-sponsored{background:linear-gradient(135deg,#7C3AED,#6366F1);color:#fff}
.tag-new{background:var(--green-soft);color:var(--green)}
@keyframes glow-p{0%,100%{filter:brightness(1)}50%{filter:brightness(1.2)}}

.section-wrap{border-radius:var(--radius);margin:6px 16px 0;padding:0 0 14px;overflow:hidden}
.section-wrap.sec-sp{background:linear-gradient(160deg,rgba(124,58,237,0.08) 0%,rgba(99,102,241,0.13) 100%);border:1px solid rgba(124,58,237,0.1)}
.section-wrap.sec-hot{background:linear-gradient(160deg,rgba(239,68,68,0.07) 0%,rgba(255,142,83,0.1) 100%);border:1px solid rgba(239,68,68,0.1)}
.section-wrap.sec-tr{background:var(--bg-card);border:1px solid var(--border-light)}
.section-wrap .section-header{padding:13px 15px 9px}
.section-wrap .scroll-h,.section-wrap .grid-2{padding:0 15px}

.rank-item{display:flex;align-items:center;gap:13px;padding:14px 16px;border-bottom:1px solid var(--border-light);background:var(--bg-card);transition:background .15s;cursor:pointer}
.rank-item:active{background:var(--bg-input)}
.rank-pos{width:34px;font-size:16px;font-weight:900;text-align:center;color:var(--text-muted);flex-shrink:0}
.rank-1{color:#F59E0B}.rank-2{color:#94A3B8}.rank-3{color:#D97706}
.rank-avatar{width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:26px;background:var(--accent-soft);flex-shrink:0;border:2px solid var(--accent-light)}
.rank-info{flex:1;min-width:0}.rank-name{font-size:14px;font-weight:800}.rank-level{font-size:11px;color:var(--text-muted);font-weight:600;margin-top:1px}
.rank-xp{font-size:15px;font-weight:900;color:var(--accent);flex-shrink:0}
.rank-me{background:linear-gradient(135deg,rgba(74,108,247,0.05),rgba(124,58,237,0.05))!important;border-left:3px solid var(--accent)}

.post-card{padding:15px 16px;border-bottom:1px solid var(--border-light);cursor:pointer;background:var(--bg-card);transition:background .15s}
.post-card:active{background:var(--bg-input)}
.post-header{display:flex;align-items:center;gap:11px;margin-bottom:9px}
.post-avatar{width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:20px;background:var(--accent-soft);flex-shrink:0;border:2px solid transparent}
.post-user{font-size:13.5px;font-weight:800}.post-time{font-size:11px;color:var(--text-muted);font-weight:600}
.post-cat{font-size:10px;font-weight:800;padding:3px 9px;border-radius:7px;letter-spacing:0.3px}
.cat-thong-bao{background:var(--accent-soft);color:var(--accent)}
.cat-hoi-dap{background:var(--green-soft);color:var(--green)}
.cat-canh-bao{background:var(--red-soft);color:var(--red)}
.post-title{font-size:15px;font-weight:800;margin-bottom:5px;line-height:1.4}
.post-content{font-size:13.5px;color:var(--text-secondary);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-stats{display:flex;gap:14px;margin-top:10px;font-size:12px;color:var(--text-muted);font-weight:700}

.profile-header{text-align:center;padding:28px 16px 20px;background:linear-gradient(180deg,var(--accent-soft),transparent)}
.profile-avatar{width:84px;height:84px;border-radius:26px;display:flex;align-items:center;justify-content:center;font-size:46px;background:var(--bg-card);border:3px solid var(--accent);margin:0 auto 14px;box-shadow:var(--shadow);cursor:pointer;position:relative;transition:all .2s}
.profile-avatar::after{content:'✏️';position:absolute;bottom:-3px;right:-3px;font-size:14px;background:#fff;border-radius:50%;width:26px;height:26px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}
.profile-name{font-size:21px;font-weight:900;letter-spacing:-0.3px}.profile-rank{font-size:13px;color:var(--accent);font-weight:700;margin-top:3px}
.profile-stats{display:flex;justify-content:center;gap:0;margin-top:18px;background:var(--bg-card);border-radius:var(--radius-sm);margin-left:16px;margin-right:16px;border:1px solid var(--border-light)}
.stat-item{text-align:center;flex:1;padding:14px 4px;border-right:1px solid var(--border-light);min-width:0}
.stat-item:last-child{border-right:none}
.stat-value{font-size:17px;font-weight:900;word-break:break-all;line-height:1.2}.stat-label{font-size:11px;color:var(--text-muted);margin-top:3px;font-weight:600}
.stat-xu{color:var(--orange)}.stat-xp{color:var(--accent)}
.xp-bar{height:7px;background:var(--bg-input);border-radius:7px;margin:10px 16px;overflow:hidden}
.xp-bar-fill{height:100%;border-radius:7px;background:linear-gradient(90deg,var(--accent),var(--purple));transition:width .5s}
.achievement-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 16px}
.achievement-item{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-sm);padding:14px;text-align:center;box-shadow:var(--shadow-xs);transition:all .2s}
.achievement-item:active{transform:scale(.96)}
.achievement-icon{font-size:30px;margin-bottom:7px}.achievement-name{font-size:11px;font-weight:700;color:var(--text-secondary)}

.toast{position:fixed;top:calc(var(--safe-top) + 14px);left:16px;right:16px;z-index:9999;padding:14px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:700;display:flex;align-items:center;gap:10px;transform:translateY(-130%);transition:transform .3s cubic-bezier(.32,.72,0,1);max-width:480px;margin:0 auto;box-shadow:var(--shadow-lg)}
.toast.show{transform:translateY(0)}
.toast-msg{flex:1;line-height:1.4}
.toast-close{flex-shrink:0;background:none;border:none;cursor:pointer;padding:2px 4px;margin-left:4px;opacity:0.5;transition:opacity .15s;color:inherit;font-size:13px;line-height:1}
.toast-close:hover{opacity:1}
.toast-success{background:#fff;color:var(--green);border:1.5px solid rgba(16,185,129,0.4)}
.toast-error{background:#fff;color:var(--red);border:1.5px solid rgba(239,68,68,0.4)}
.toast-info{background:#fff;color:var(--accent);border:1.5px solid rgba(74,108,247,0.4)}

.admin-menu-item{display:flex;align-items:center;gap:14px;padding:15px 16px;border-bottom:1px solid var(--border-light);cursor:pointer;background:var(--bg-card);transition:background .15s}
.admin-menu-item:active{background:var(--bg-input)}
.admin-menu-icon{width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px}
.admin-menu-text{flex:1}.admin-menu-title{font-size:14px;font-weight:800}.admin-menu-desc{font-size:12px;color:var(--text-muted);margin-top:2px;font-weight:600}
.admin-stat-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius);padding:16px;text-align:center;box-shadow:var(--shadow-xs)}
.admin-stat-num{font-size:28px;font-weight:900}.admin-stat-label{font-size:12px;color:var(--text-muted);margin-top:4px;font-weight:600}

.comment-item{display:flex;gap:11px;padding:13px 0;border-bottom:1px solid var(--border-light)}
.comment-avatar{width:34px;height:34px;border-radius:11px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:19px;background:var(--accent-soft);border:2px solid transparent}
.comment-body{flex:1}.comment-user{font-size:13px;font-weight:800}.comment-text{font-size:13.5px;color:var(--text-secondary);margin-top:3px;line-height:1.55}.comment-time{font-size:11px;color:var(--text-muted);margin-top:4px;font-weight:600}

.notif-item{display:flex;gap:13px;padding:14px 16px;border-bottom:1px solid var(--border-light);transition:background .15s}
.notif-item.unread{background:rgba(74,108,247,0.04)}
.notif-icon{width:40px;height:40px;border-radius:var(--radius-xs);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.notif-success{background:var(--green-soft);color:var(--green)}.notif-info{background:var(--accent-soft);color:var(--accent)}.notif-warning{background:var(--orange-soft);color:var(--orange)}.notif-error{background:var(--red-soft);color:var(--red)}
.notif-body{flex:1}.notif-title{font-size:13px;font-weight:800}.notif-msg{font-size:12.5px;color:var(--text-secondary);margin-top:2px;font-weight:600}.notif-time{font-size:11px;color:var(--text-muted);margin-top:3px;font-weight:600}

.sponsored-card{position:relative;border:2px solid rgba(124,58,237,0.22)!important;background:var(--bg-card);box-shadow:0 4px 18px rgba(124,58,237,0.1)!important;overflow:hidden}
.sponsored-card::after{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:conic-gradient(transparent,rgba(124,58,237,0.06),transparent 30%);animation:sp-spin 4s linear infinite;z-index:0;pointer-events:none}
@keyframes sp-spin{to{transform:rotate(360deg)}}
.sponsored-card>*{position:relative;z-index:1}
.sponsored-badge{position:absolute;top:9px;left:9px;background:linear-gradient(135deg,#7C3AED,#6366F1);color:#fff;font-size:10px;font-weight:800;padding:4px 10px;border-radius:9px;z-index:3;box-shadow:0 2px 10px rgba(124,58,237,0.4);display:flex;align-items:center;gap:4px}
.hot-card{border:1.5px solid rgba(239,68,68,0.2)!important;box-shadow:0 2px 14px rgba(239,68,68,0.08)!important}
.hot-ribbon{position:absolute;top:9px;right:9px;background:linear-gradient(135deg,#FF6B6B,#FF8E53);color:#fff;font-size:9.5px;font-weight:800;padding:3px 9px;border-radius:7px;z-index:2;display:flex;align-items:center;gap:3px;box-shadow:0 2px 8px rgba(239,68,68,0.3)}
.hot-ribbon i{animation:fire-d .6s infinite alternate}
@keyframes fire-d{to{transform:translateY(-1px) scale(1.15)}}
.trend-card{border:1.5px solid rgba(245,158,11,0.2)!important;box-shadow:0 2px 14px rgba(245,158,11,0.08)!important}
.trend-ribbon{position:absolute;top:9px;right:9px;background:linear-gradient(135deg,#F59E0B,#F97316);color:#fff;font-size:9.5px;font-weight:800;padding:3px 9px;border-radius:7px;z-index:2;display:flex;align-items:center;gap:3px;box-shadow:0 2px 8px rgba(245,158,11,0.3)}
.fab{position:fixed;bottom:calc(var(--tab-h) + var(--safe-bottom) + 16px);right:18px;width:56px;height:56px;border-radius:18px;z-index:90;background:var(--accent);color:#fff;font-size:22px;border:none;box-shadow:0 6px 20px rgba(74,108,247,0.45);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .18s,box-shadow .18s}
.fab:active{transform:scale(.88);box-shadow:0 3px 10px rgba(74,108,247,0.3)}
.empty-state{text-align:center;padding:56px 32px;color:var(--text-muted)}.empty-state i{font-size:48px;margin-bottom:16px;opacity:.25;display:block}.empty-state p{font-size:14px;font-weight:600}
.shimmer{background:linear-gradient(90deg,var(--bg-input) 25%,#DDE3EE 50%,var(--bg-input) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.avatar-picker{display:grid;grid-template-columns:repeat(6,1fr);gap:9px;padding:9px 0}
.avatar-option{width:100%;aspect-ratio:1;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:28px;background:var(--bg-input);border:2px solid transparent;cursor:pointer;transition:all .18s}
.avatar-option:active{transform:scale(.88)}
.avatar-option.selected{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 3px rgba(74,108,247,0.18)}
.admin-table{width:100%;border-collapse:collapse;font-size:12px}
.admin-table th{background:var(--bg-input);padding:11px 9px;text-align:left;font-weight:800;color:var(--text-secondary);position:sticky;top:0}
.admin-table td{padding:11px 9px;border-bottom:1px solid var(--border-light);font-weight:600}
.inner-tabs{display:flex;border-bottom:1px solid var(--border);padding:0 16px;background:var(--bg-card)}
.inner-tab{padding:14px 18px;font-size:13.5px;font-weight:800;color:var(--text-muted);cursor:pointer;border-bottom:2.5px solid transparent;transition:all .2s;background:none;border-top:none;border-left:none;border-right:none;font-family:inherit}
.inner-tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.px-16{padding-left:16px;padding-right:16px}.py-16{padding-top:16px;padding-bottom:16px}
.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mt-16{margin-top:16px}
.text-center{text-align:center}.text-sm{font-size:12px}.text-muted{color:var(--text-muted)}.text-accent{color:var(--accent)}.text-danger{color:var(--red)}.text-success{color:var(--green)}.text-warning{color:var(--orange)}
.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-8{gap:8px}.gap-12{gap:12px}
.hidden{display:none!important}
::-webkit-scrollbar{width:0;background:transparent}
@media(min-width:480px){
    .main-content{max-width:480px;margin:0 auto}
    .tab-bar{max-width:480px;left:50%;transform:translateX(-50%)}
    .page-modal{left:50%;right:auto;width:480px;transform:translateX(100vw)}
    .page-modal.active{transform:translateX(-50%)}
    #loading-screen{left:50%;right:auto;width:480px;transform:translateX(-50%)}
    .fab{right:calc(50% - 222px)}
    .toast{left:calc(50% - 224px);right:auto;width:448px}
    .pwa-banner{left:calc(50% - 224px);right:auto;width:448px}
}
.pw-eye{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-muted);font-size:16px;cursor:pointer;padding:6px}

.gift-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-xs);transition:all .18s}
.gift-card:active{transform:scale(.97)}
.gift-card-img{width:100%;aspect-ratio:1;object-fit:cover;background:var(--bg-input);display:flex;align-items:center;justify-content:center;font-size:50px}
.gift-card-body{padding:11px}.gift-card-name{font-size:13px;font-weight:700;margin-bottom:5px}
.gift-card-cost{font-size:14px;font-weight:900;color:var(--orange);display:flex;align-items:center;gap:4px}

.event-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius);padding:17px;margin:0 16px 12px;box-shadow:var(--shadow-sm)}
.event-title{font-size:15px;font-weight:800;margin-bottom:6px}
.event-prize{color:var(--orange);font-size:14px;font-weight:700;margin-bottom:6px}
.event-timer{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--red);font-weight:800;margin-bottom:10px}
.event-stats{display:flex;gap:14px;font-size:12px;color:var(--text-muted);font-weight:600;margin-bottom:10px}

/* ==================== SEARCH ==================== */
.search-wrap{padding:12px 16px 0;position:relative}
.search-input-wrap{position:relative}
.search-input{width:100%;padding:11px 44px 11px 40px;border-radius:50px;border:2px solid var(--border-light);background:var(--bg-card);font-family:var(--font);font-size:14px;font-weight:500;color:var(--text-primary);box-sizing:border-box;transition:border-color .2s}
.search-input:focus{outline:none;border-color:var(--accent)}
.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:14px;pointer-events:none}
.search-clear{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-muted);font-size:16px;cursor:pointer;padding:4px;display:none}
.search-input:not(:placeholder-shown)~.search-clear{display:block}
.search-results-label{font-size:12px;color:var(--text-muted);padding:8px 16px 0;font-weight:600}

/* ==================== SHARE BTN ==================== */
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:50px;border:1.5px solid var(--border-light);background:var(--bg-card);font-size:12px;font-weight:700;color:var(--text-secondary);cursor:pointer;transition:all .2s}
.share-btn:hover{border-color:var(--accent);color:var(--accent)}
.share-options{display:flex;gap:10px;padding:16px;flex-wrap:wrap}
.share-opt{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 16px;border-radius:12px;background:var(--bg-page);border:1.5px solid var(--border-light);cursor:pointer;flex:1;min-width:60px;font-size:11px;font-weight:700;color:var(--text-secondary);transition:all .2s}
.share-opt:hover{border-color:var(--accent);color:var(--accent)}
.share-opt i{font-size:20px}
.share-opt.copy i{color:#6366F1}
.share-opt.facebook i{color:#1877F2}
.share-opt.zalo i{color:#0068FF}
.share-opt.messenger i{color:#8B5CF6}

/* ==================== PWA INSTALL PROMPT ==================== */
.pwa-banner{position:fixed;bottom:72px;left:16px;right:16px;background:linear-gradient(135deg,var(--accent),#6366F1);border-radius:16px;padding:14px 16px;display:flex;align-items:center;gap:12px;box-shadow:0 8px 24px rgba(74,108,247,.35);z-index:800;animation:slideUp .4s ease}
.pwa-banner-icon{font-size:28px;flex-shrink:0}
.pwa-banner-text{flex:1}
.pwa-banner-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:2px}
.pwa-banner-sub{font-size:11px;color:rgba(255,255,255,.8)}
.pwa-banner-btns{display:flex;gap:8px;flex-shrink:0}
.pwa-btn-install{background:#fff;color:var(--accent);border:none;border-radius:8px;padding:6px 12px;font-size:12px;font-weight:800;cursor:pointer}
.pwa-btn-dismiss{background:rgba(255,255,255,.2);color:#fff;border:none;border-radius:8px;padding:6px 8px;font-size:12px;cursor:pointer}

@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}

/* ===== INPUT ENHANCEMENTS: CLEAR BUTTON & PRICE FORMAT ===== */
.input-wrap{position:relative;display:block}
.input-wrap .form-input,.input-wrap .form-textarea{padding-right:34px}
.input-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:15px;padding:2px 4px;display:none;line-height:1;z-index:2}
.input-clear:hover{color:var(--text)}
.textarea-wrap .input-clear{top:14px;transform:none}
.price-hint{font-size:11px;color:var(--accent);font-weight:600;position:absolute;right:34px;top:50%;transform:translateY(-50%);pointer-events:none;opacity:.55}