:root{--c-primary: #2563eb;--c-primary-dark: #1d4ed8;--c-primary-light: #dbeafe;--c-primary-glow: rgba(37, 99, 235, .18);--c-wa: #25d366;--c-wa-dark: #128c7e;--c-wa-light: rgba(37, 211, 102, .15);--c-success: #16a34a;--c-success-light: #dcfce7;--c-warning: #d97706;--c-warning-light: #fef3c7;--c-danger: #dc2626;--c-danger-light: #fee2e2;--c-info: #0284c7;--c-info-light: #e0f2fe;--c-sb: #0e1724;--c-sb-header: #080f1b;--c-sb-border: rgba(255, 255, 255, .05);--c-sb-text: #94a3b8;--c-sb-text-hover: #e2e8f0;--c-sb-text-active: #ffffff;--c-sb-hover: rgba(255, 255, 255, .06);--c-sb-active: rgba(37, 99, 235, .18);--c-sb-badge: #2563eb;--c-bg: #f1f5f9;--c-card: #ffffff;--c-border: rgba(148, 163, 184, .22);--c-text: #0f172a;--c-text-2: #334155;--c-muted: #64748b;--c-light: #94a3b8;--sidebar-w: 260px;--topbar-h: 60px;--r-xs: 6px;--r-sm: 10px;--r-md: 14px;--r-lg: 18px;--r-xl: 22px;--r-full: 999px;--sh-xs: 0 1px 3px rgba(15, 23, 42, .06);--sh-sm: 0 2px 8px rgba(15, 23, 42, .08);--sh-md: 0 4px 18px rgba(15, 23, 42, .1);--sh-lg: 0 8px 36px rgba(15, 23, 42, .13);--ease: .2s cubic-bezier(.4, 0, .2, 1);--ease-out: .28s cubic-bezier(0, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--c-bg);color:var(--c-text);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}ul,ol{list-style:none}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}h1{font-size:1.6rem;font-weight:800;line-height:1.25}h2{font-size:1.2rem;font-weight:700}h3{font-size:1rem;font-weight:700}.admin-shell{display:flex;min-height:100vh}.admin-sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);background:var(--c-sb);display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;z-index:100;transition:transform var(--ease-out);scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.08) transparent}.admin-sidebar::-webkit-scrollbar{width:4px}.admin-sidebar::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:0 20px;height:64px;min-height:64px;background:var(--c-sb-header);border-bottom:1px solid var(--c-sb-border);text-decoration:none}.sidebar-brand__icon{width:36px;height:36px;border-radius:10px;background:var(--c-wa);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px;line-height:1}.sidebar-brand__name{display:flex;flex-direction:column}.sidebar-brand__name strong{color:#fff;font-size:.875rem;font-weight:800;letter-spacing:-.01em;line-height:1.2}.sidebar-brand__name span{color:var(--c-sb-text);font-size:.7rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase}.sidebar-section{padding:20px 12px 8px}.sidebar-section__label{padding:0 8px 6px;font-size:.65rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--c-sb-text);opacity:.7}.sidebar-nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--r-sm);color:var(--c-sb-text);font-size:.875rem;font-weight:500;cursor:pointer;transition:background var(--ease),color var(--ease);text-decoration:none;margin-bottom:2px;position:relative}.sidebar-nav-item:hover{background:var(--c-sb-hover);color:var(--c-sb-text-hover)}.sidebar-nav-item.active,.sidebar-nav-item[aria-current=page]{background:var(--c-sb-active);color:var(--c-sb-text-active)}.sidebar-nav-item.active:before,.sidebar-nav-item[aria-current=page]:before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:0 3px 3px 0;background:var(--c-primary)}.sidebar-nav-item__icon{width:18px;height:18px;flex-shrink:0;opacity:.8}.sidebar-nav-item.active .sidebar-nav-item__icon{opacity:1}.sidebar-footer{margin-top:auto;padding:12px;border-top:1px solid var(--c-sb-border)}.sidebar-user{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-sm);background:var(--c-sb-hover)}.sidebar-user__avatar{width:32px;height:32px;border-radius:50%;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0}.sidebar-user__info{flex:1;min-width:0}.sidebar-user__name{font-size:.8rem;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user__role{font-size:.7rem;color:var(--c-sb-text)}.admin-main{flex:1;margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}.admin-topbar{position:sticky;top:0;z-index:50;height:var(--topbar-h);padding:0 24px;background:var(--c-card);border-bottom:1px solid var(--c-border);display:flex;align-items:center;gap:16px;box-shadow:var(--sh-xs)}.topbar-toggle{display:none;width:36px;height:36px;border:none;background:transparent;border-radius:var(--r-xs);color:var(--c-muted);cursor:pointer;align-items:center;justify-content:center;font-size:20px;transition:background 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p{color:var(--c-muted);font-size:.875rem;margin-top:2px}.card-body{padding:24px}.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.stat-card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-xs);display:grid;gap:6px;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--c-primary);border-radius:0 0 3px 3px}.stat-card--success:before{background:var(--c-success)}.stat-card--warning:before{background:var(--c-warning)}.stat-card--danger:before{background:var(--c-danger)}.stat-card--wa:before{background:var(--c-wa)}.stat-card__label{font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--c-muted)}.stat-card__value{font-size:1.75rem;font-weight:800;color:var(--c-text);line-height:1.1}.stat-card__sub{font-size:.78rem;color:var(--c-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;min-height:38px;border-radius:var(--r-md);border:none;font-size:.875rem;font-weight:600;cursor:pointer;text-decoration:none;transition:all var(--ease);white-space:nowrap;line-height:1}.btn:disabled{opacity:.55;cursor:not-allowed;pointer-events:none}.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 1px 4px #2563eb4d}.btn-primary:hover:not(:disabled){background:var(--c-primary-dark);box-shadow:0 4px 14px 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var(--ease);flex-shrink:0}.modal-close:hover{background:#e2e8f0;color:var(--c-text)}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--c-border);display:flex;justify-content:flex-end;gap:8px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(14px);opacity:0}to{transform:translateY(0);opacity:1}}.dropzone{border:2px dashed #cbd5e1;border-radius:var(--r-lg);padding:40px 24px;text-align:center;cursor:pointer;transition:border-color var(--ease),background var(--ease);display:flex;flex-direction:column;align-items:center;gap:8px}.dropzone:hover,.dropzone--active{border-color:var(--c-primary);background:var(--c-primary-light)}.dropzone strong{font-size:.95rem;color:var(--c-text)}.dropzone span{font-size:.82rem;color:var(--c-muted)}.toggle-label{display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-size:.875rem;color:var(--c-text-2);font-weight:500}.page-container{max-width:1200px}.text-muted{color:var(--c-muted)}.text-danger{color:var(--c-danger)}.text-success{color:var(--c-success)}.text-warning{color:var(--c-warning)}.fw-bold{font-weight:700}hr.divider{border:none;border-top:1px solid var(--c-border);margin:16px 0}@media (max-width: 900px){.admin-sidebar{transform:translate(-100%)}.admin-sidebar.is-open{transform:translate(0);box-shadow:var(--sh-lg)}.admin-main{margin-left:0}.topbar-toggle{display:flex}.sidebar-backdrop.is-open{display:block}.admin-body{padding:16px}.stats-row{grid-template-columns:repeat(2,1fr)}}@media (max-width: 600px){.stats-row{grid-template-columns:1fr 1fr}.topbar-actions{gap:4px}.toolbar{padding:12px 16px}h1{font-size:1.3rem}}