*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f5f0;--bg-card: #ffffff;--bg-sidebar: #1a1a2e;--bg-sidebar-hover: #25254a;--bg-sidebar-active: #3a3a5c;--text: #2d2d2d;--text-muted: #8a8a8a;--text-sidebar: #b8b8cc;--text-sidebar-active: #ffffff;--border: #e5e5e0;--primary: #6c5ce7;--primary-light: #a29bfe;--success: #00b894;--success-light: #e6f9f3;--warning: #fdcb6e;--warning-light: #fff8e6;--danger: #d63031;--danger-light: #fde8e8;--info: #0984e3;--info-light: #e6f2ff;--radius: 12px;--radius-sm: 8px;--shadow: 0 2px 12px rgba(0,0,0,.06);--shadow-lg: 0 8px 30px rgba(0,0,0,.1);--sidebar-w: 260px;--header-h: 64px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6}a{text-decoration:none;color:inherit}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit}.app-layout{display:flex;min-height:100vh}.main-area{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column}.main-content{padding:24px 32px;flex:1;max-width:1200px;width:100%;margin:0 auto}.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:var(--bg-sidebar);color:var(--text-sidebar);display:flex;flex-direction:column;z-index:100;transition:transform .3s}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.08)}.brand-icon{width:36px;height:36px;border-radius:10px}.brand-icon-lg{width:48px;height:48px;border-radius:14px}.brand-text{font-size:18px;font-weight:600;color:#fff}.sidebar-nav{padding:16px 12px;flex:1;display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;gap:12px;padding:10px 16px;border-radius:var(--radius-sm);color:var(--text-sidebar);transition:background .2s,color .2s;font-size:14px;font-weight:500}.nav-link:hover{background:var(--bg-sidebar-hover);color:#fff}.nav-link-active{background:var(--bg-sidebar-active);color:var(--text-sidebar-active)}.nav-icon{display:flex;align-items:center;flex-shrink:0}.sidebar-overlay{display:none}.header{height:var(--header-h);background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 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var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#00a383}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#c02020}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover{color:var(--text);background:var(--bg)}.btn-block{width:100%}.btn-sm{padding:4px 10px;font-size:13px}.btn-icon{background:none;border:none;padding:4px;display:flex;align-items:center;color:var(--text)}.btn-link{background:none;border:none;color:var(--primary);cursor:pointer;padding:0;font-size:12px}.btn-link:hover{text-decoration:underline}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text)}.form-help{font-size:12px;color:var(--text-muted);margin-bottom:6px}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;background:#fff;transition:border-color .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6c5ce71a}.form-textarea{resize:vertical;min-height:80px}.form-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.form-label-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.form-label-row label{margin-bottom:0}.badge{display:inline-flex;align-items:center;padding:2px 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h2{font-size:18px;margin-bottom:20px}.confirm-dialog{max-width:400px;text-align:center}.confirm-message{font-size:15px;margin-bottom:20px}.confirm-actions{display:flex;gap:8px;justify-content:center}.example-tabs{display:flex;gap:4px;margin-bottom:16px;overflow-x:auto;padding-bottom:4px}.tab-btn{padding:6px 14px;border-radius:20px;border:1px solid var(--border);background:transparent;font-size:13px;font-weight:500;white-space:nowrap;transition:all .2s;color:var(--text-muted)}.tab-btn:hover{background:var(--bg);color:var(--text)}.tab-active{background:var(--primary);color:#fff;border-color:var(--primary)}.tab-active:hover{background:var(--primary);color:#fff}.examples-list{display:flex;flex-direction:column;gap:12px}.example-item{padding:16px;background:var(--bg);border-radius:var(--radius-sm)}.example-q,.example-a{font-size:14px;line-height:1.6;margin-bottom:6px}.example-actions{display:flex;gap:6px;margin-top:8px}.example-form{padding:16px;background:var(--bg);border-radius:var(--radius-sm);margin-bottom:12px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:24px}.login-card{background:var(--bg-card);border-radius:var(--radius);padding:40px;width:100%;max-width:420px;box-shadow:var(--shadow-lg);text-align:center}.login-header{margin-bottom:32px}.login-header h1{font-size:22px;margin-top:12px}.login-header p{color:var(--text-muted);margin-top:4px;font-size:14px}.login-form{text-align:left}.login-form .btn-block{margin-top:8px;padding:12px;font-size:15px}.login-lang-toggle{margin-top:16px}.language-toggle{font-weight:700;font-size:13px;padding:4px 12px;border-radius:20px;background:var(--bg)}.loading-spinner{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px;gap:16px}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:32px;color:var(--text-muted)}.shop-card-header,.user-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.question-card{cursor:pointer;transition:box-shadow .2s}.question-card:hover{box-shadow:var(--shadow-lg)}.question-card-text{font-size:14px;margin-bottom:8px}.question-card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.mobile-only{display:none}@media(max-width:1024px){.dashboard-sections,.detail-grid{grid-template-columns:1fr}.detail-sidebar{order:-1}}@media(max-width:768px){.sidebar{transform:translate(-100%)}.sidebar-open{transform:translate(0)}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:99}.main-area{margin-left:0}.main-content{padding:16px}.menu-toggle{display:flex}.desktop-only{display:none}.mobile-only{display:block}.card-list{display:flex;flex-direction:column;gap:12px}.filters-bar{flex-direction:column}.filter-search{max-width:none}.stats-grid{grid-template-columns:repeat(2,1fr)}.stats-value{font-size:24px}.page-title{font-size:20px}.user-info{display:none}}@media(max-width:480px){.stats-grid{grid-template-columns:1fr}.login-card{padding:24px}}