:root{
    --bg:#f5f7fb;
    --panel:#ffffff;
    --ink:#111827;
    --muted:#6b7280;
    --line:#e5e7eb;
    --brand:#4f46e5;
    --brand-dark:#3730a3;
    --brand-soft:#eef2ff;
    --success:#059669;
    --danger:#dc2626;
    --warning:#d97706;
    --radius:22px;
    --shadow:0 18px 50px rgba(17,24,39,.08);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
.login-body,.install-body{display:grid;place-items:center;min-height:100vh;padding:24px;background:radial-gradient(circle at top left,#eef2ff,transparent 32%),linear-gradient(135deg,#f8fafc,#eef2ff)}
.login-card,.install-card{width:min(100%,460px);background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.7);border-radius:28px;padding:34px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}
.install-card{width:min(100%,780px)}
.brand-mark{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,var(--brand),#06b6d4);color:white;display:grid;place-items:center;font-weight:900;letter-spacing:-.04em;box-shadow:0 10px 25px rgba(79,70,229,.28)}
h1,h2,h3,p{margin-top:0} h1{font-size:clamp(25px,4vw,38px);letter-spacing:-.04em;margin-bottom:8px} h2{font-size:20px;letter-spacing:-.02em}.muted{color:var(--muted);line-height:1.6}.danger-text{color:var(--danger);font-size:14px;margin-top:16px}.app-shell{display:flex;min-height:100vh}.sidebar{width:280px;background:#0f172a;color:white;padding:24px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.sidebar-brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}.sidebar-brand span{display:block;color:#94a3b8;font-size:13px;margin-top:2px}.sidebar nav{display:grid;gap:8px}.sidebar nav a{padding:13px 14px;border-radius:14px;color:#cbd5e1;font-weight:700}.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.1);color:white}.sidebar-footer{margin-top:auto;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;gap:10px;color:#cbd5e1}.sidebar-footer a{color:white;font-weight:800}.main-content{flex:1;padding:28px;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}.eyebrow{text-transform:uppercase;font-size:12px;letter-spacing:.14em;color:var(--brand);font-weight:900}.btn{border:0;border-radius:14px;padding:12px 16px;background:#eef2ff;color:#312e81;font-weight:900;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.18s ease}.btn:hover{transform:translateY(-1px);filter:brightness(.98)}.btn.primary{background:linear-gradient(135deg,var(--brand),#2563eb);color:white;box-shadow:0 12px 28px rgba(79,70,229,.24)}.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}.btn.danger{background:#fee2e2;color:#991b1b}.btn.full{width:100%}.btn.small{padding:9px 12px;border-radius:11px;font-size:13px}.alert{padding:14px 16px;border-radius:16px;margin:0 0 16px;font-weight:700}.alert.success{background:#dcfce7;color:#166534}.alert.danger{background:#fee2e2;color:#991b1b}.alert.warning{background:#fef3c7;color:#92400e}.cards-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}.metric-card,.panel{background:var(--panel);border:1px solid rgba(226,232,240,.9);border-radius:var(--radius);box-shadow:var(--shadow)}.metric-card{padding:22px;position:relative;overflow:hidden}.metric-card:after{content:"";position:absolute;width:120px;height:120px;right:-50px;top:-50px;background:var(--brand-soft);border-radius:50%}.metric-card span{display:block;color:var(--muted);font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.metric-card strong{display:block;font-size:32px;letter-spacing:-.05em;margin:8px 0}.metric-card small{color:var(--muted)}.content-grid{display:grid;gap:18px}.content-grid.two-cols{grid-template-columns:1.2fr .8fr}.panel{padding:22px;min-width:0}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.panel-header h2{margin:0}.pill,.tag{display:inline-flex;align-items:center;background:var(--brand-soft);color:var(--brand-dark);padding:7px 10px;border-radius:999px;font-size:12px;font-weight:900}.tag{padding:6px 9px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px}table{width:100%;border-collapse:collapse;min-width:760px;background:white}th,td{text-align:left;padding:14px 15px;border-bottom:1px solid var(--line);vertical-align:middle}th{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);background:#f8fafc}td{font-size:14px}.empty{text-align:center;color:var(--muted);padding:28px!important}.hero-panel{background:linear-gradient(135deg,#ffffff,#eef2ff)}.check-list{padding:0;list-style:none;margin:18px 0}.check-list li{padding:9px 0 9px 30px;position:relative;color:#334155;font-weight:700}.check-list li:before{content:"✓";position:absolute;left:0;top:8px;color:var(--success);font-weight:900}.sync-status{padding:14px;border-radius:16px;background:#f8fafc;border:1px solid var(--line);font-weight:700;color:#475569}.sync-status.success{background:#ecfdf5;color:#065f46}.sync-status.error{background:#fef2f2;color:#991b1b}.form-stack,.form-grid{display:grid;gap:14px}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid h2{grid-column:1/-1;margin:16px 0 0}.form-stack.compact{gap:10px}label{display:grid;gap:7px;color:#374151;font-weight:800;font-size:14px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 13px;background:white;color:var(--ink);outline:none}textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(79,70,229,.12)}label small{color:var(--muted);font-weight:500}.checkbox-line{display:flex;align-items:center;gap:10px}.checkbox-line input{width:auto}.filters{display:grid;grid-template-columns:2fr 1fr auto auto auto;gap:12px;align-items:end;margin-bottom:16px}.report-grid{align-items:start}.report-panel{min-height:500px}.report-text{width:100%;min-height:520px;white-space:pre-wrap;line-height:1.55;font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;background:#0f172a;color:#e5e7eb;border-color:#1e293b}.rules-list{display:grid;gap:10px}.rule-item{border:1px solid var(--line);border-radius:16px;padding:14px;background:#fff}.rule-item summary{cursor:pointer;display:flex;justify-content:space-between;gap:12px}.rule-item summary span{color:var(--muted);font-size:13px}.rule-item form{margin-top:14px}.inline-actions{display:flex;gap:10px}.status{display:inline-flex;border-radius:999px;padding:6px 9px;font-size:12px;font-weight:900;background:#f1f5f9;color:#334155}.status.success{background:#dcfce7;color:#166534}.status.error{background:#fee2e2;color:#991b1b}.status.running{background:#dbeafe;color:#1d4ed8}.settings-form{max-width:880px}
@media (max-width:1100px){.cards-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.content-grid.two-cols{grid-template-columns:1fr}.filters{grid-template-columns:1fr 1fr}.sidebar{width:240px}}
@media (max-width:820px){.app-shell{display:block}.sidebar{position:relative;width:100%;height:auto;border-radius:0 0 24px 24px}.sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr))}.main-content{padding:20px}.topbar{display:grid}.cards-grid{grid-template-columns:1fr}.form-grid,.filters{grid-template-columns:1fr}.login-card,.install-card{padding:24px}.report-text{min-height:420px}}
@media (max-width:520px){.sidebar nav{grid-template-columns:1fr}.topbar form,.topbar .btn{width:100%}.panel{padding:16px}.metric-card{padding:18px}}

/* V2 - vendas, movimentações e dashboard vivo */
.mt{margin-top:18px}.mt-small{margin-top:12px}.topbar-actions{display:flex;gap:10px;align-items:center}.dashboard-cards{grid-template-columns:repeat(4,minmax(0,1fr))}.mini-cards{grid-template-columns:repeat(4,minmax(0,1fr))}.action-card form{margin-top:8px}.live-banner{display:flex;justify-content:space-between;align-items:center;gap:18px;background:linear-gradient(135deg,#eef2ff,#fff);border:1px solid rgba(79,70,229,.18);box-shadow:var(--shadow);padding:16px 18px;border-radius:22px;margin-bottom:18px}.live-banner strong{display:block;font-size:16px;color:#1e1b4b}.live-banner span{display:block;color:var(--muted);margin-top:3px}.live-banner small{white-space:nowrap;color:#475569}.compact-list{display:grid;gap:10px}.movement-row{display:flex;gap:12px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:16px;background:#fff}.movement-row div{display:grid;gap:2px}.movement-row small{color:var(--muted)}.movement-list .status{min-width:76px;justify-content:center}.status.entrada{background:#dcfce7;color:#166534}.status.saida{background:#fee2e2;color:#991b1b}.status.venda{background:#dbeafe;color:#1d4ed8}.status.estoque_inicial{background:#fef3c7;color:#92400e}.variation-summary{max-width:520px;white-space:normal;line-height:1.5;color:#334155}.devices-filter{grid-template-columns:2fr 1fr auto auto}.movement-filter{grid-template-columns:1.4fr .9fr .8fr .8fr auto}.sales-filter{grid-template-columns:1.5fr .8fr .8fr auto auto}.sales-list{display:grid;gap:12px}.sale-card{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}.sale-card summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px 18px}.sale-card summary::-webkit-details-marker{display:none}.sale-card summary span,.sale-card summary small{display:block;color:var(--muted);margin-top:3px}.sale-card summary b{display:block;text-align:right;font-size:18px}.sale-card[open] summary{border-bottom:1px solid var(--line);background:#f8fafc}.sale-items-table{border:0;border-radius:0}.sale-items-table table{min-width:700px}.note-box{margin-top:16px;padding:14px;border-radius:16px;background:#f8fafc;border:1px solid var(--line);color:#334155;line-height:1.5}.settings-panel{align-self:start}.inline-actions form{display:inline-flex}.filters input[type="date"]{min-width:0}.btn[data-copy]{white-space:nowrap}
@media (max-width:1180px){.dashboard-cards,.mini-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.movement-filter,.sales-filter,.devices-filter{grid-template-columns:1fr 1fr}.live-banner{align-items:flex-start;display:grid}.live-banner small{white-space:normal}}
@media (max-width:720px){.dashboard-cards,.mini-cards{grid-template-columns:1fr}.movement-filter,.sales-filter,.devices-filter{grid-template-columns:1fr}.sale-card summary{display:grid}.sale-card summary b{text-align:left}.topbar-actions,.topbar-actions form{width:100%}.live-banner{padding:14px}.movement-row{display:grid}.variation-summary{max-width:none}}

.progress-bar{width:100%;height:14px;background:#eef2ff;border-radius:999px;overflow:hidden;margin:16px 0;border:1px solid rgba(79,70,229,.12)}
.progress-bar span{display:block;height:100%;background:linear-gradient(90deg,#4f46e5,#06b6d4);border-radius:999px;transition:width .35s ease}
.sync-message{font-weight:700;color:#111827}
.sync-runner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.sync-loader{width:48px;height:48px;border-radius:50%;border:5px solid rgba(79,70,229,.14);border-top-color:#4f46e5;animation:gcSpin .8s linear infinite;flex:0 0 auto}
@keyframes gcSpin{to{transform:rotate(360deg)}}
.actions-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.metrics-grid.compact{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}

/* V3.5 - agrupamento inteligente por modelo/cor/memória/condição */
.no-margin{margin:0}.smart-stock-list{display:grid;gap:12px}.smart-stock-card{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}.smart-stock-card.low{border-color:rgba(217,119,6,.35);box-shadow:0 12px 34px rgba(217,119,6,.08)}.smart-stock-card summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px 18px}.smart-stock-card summary::-webkit-details-marker{display:none}.smart-stock-card[open] summary{border-bottom:1px solid var(--line);background:#f8fafc}.smart-main{display:grid;gap:4px}.smart-main strong{font-size:16px;letter-spacing:-.01em}.smart-main span{color:var(--muted);font-size:13px}.smart-numbers{text-align:right;display:grid;gap:2px;min-width:120px}.smart-numbers b{font-size:24px;letter-spacing:-.04em}.smart-numbers small{color:var(--muted);font-weight:800}.smart-stock-card.low .smart-numbers small{color:var(--warning)}.smart-detail-body{padding:16px 18px;display:grid;gap:14px}.smart-actions-row{display:flex;justify-content:space-between;align-items:end;gap:14px;flex-wrap:wrap}.low-stock-form{display:flex;align-items:end;gap:10px;flex-wrap:wrap}.low-stock-form label{max-width:210px}.smart-meta{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.smart-meta span{background:#f8fafc;border:1px solid var(--line);border-radius:999px;padding:7px 10px;color:#475569;font-weight:800;font-size:12px}.smart-stock-list.compact .smart-stock-card summary{padding:12px 14px}.smart-stock-list.compact .smart-main strong{font-size:14px}.smart-stock-list.compact .smart-numbers b{font-size:20px}
@media (max-width:720px){.smart-stock-card summary{display:grid}.smart-numbers{text-align:left}.smart-actions-row{display:grid}.low-stock-form{display:grid}.low-stock-form label{max-width:none}.smart-meta{justify-content:flex-start}}

/* V3.7 - visual SaaS premium e estoque agrupado mais legível */
:root{
    --premium-bg:#f3f6fb;
    --premium-panel:rgba(255,255,255,.86);
    --premium-ink:#07111f;
    --premium-muted:#64748b;
    --premium-line:rgba(148,163,184,.20);
    --premium-purple:#5b55f1;
    --premium-blue:#0ea5e9;
    --premium-shadow:0 24px 70px rgba(15,23,42,.10);
}
body{background:radial-gradient(circle at 18% 0%,rgba(91,85,241,.10),transparent 28%),radial-gradient(circle at 92% 4%,rgba(14,165,233,.12),transparent 26%),linear-gradient(180deg,#f8fafc,#eef2f7);color:var(--premium-ink)}
.sidebar{background:linear-gradient(180deg,#0b1224,#111827 62%,#0b1120);border-right:1px solid rgba(255,255,255,.08);box-shadow:12px 0 40px rgba(15,23,42,.10)}
.sidebar nav a{border:1px solid transparent;transition:.18s ease}.sidebar nav a:hover,.sidebar nav a.active{background:linear-gradient(135deg,rgba(91,85,241,.22),rgba(14,165,233,.14));border-color:rgba(255,255,255,.10);box-shadow:inset 0 1px 0 rgba(255,255,255,.10)}
.brand-mark{background:linear-gradient(135deg,#5b55f1,#0ea5e9);box-shadow:0 14px 34px rgba(91,85,241,.30)}
.main-content{padding:34px;background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,0))}.topbar{background:rgba(255,255,255,.58);border:1px solid rgba(255,255,255,.72);border-radius:28px;padding:22px 24px;box-shadow:0 18px 50px rgba(15,23,42,.06);backdrop-filter:blur(18px)}
.topbar h1{margin:4px 0 0}.panel,.metric-card,.sale-card,.rule-item{background:var(--premium-panel);border:1px solid rgba(255,255,255,.75);box-shadow:var(--premium-shadow);backdrop-filter:blur(18px)}
.panel{border-radius:28px}.metric-card{border-radius:26px}.btn{border-radius:16px}.btn.primary{background:linear-gradient(135deg,#5b55f1,#2563eb 58%,#0ea5e9)}input,select,textarea{border-color:rgba(148,163,184,.28);box-shadow:inset 0 1px 0 rgba(255,255,255,.65)}
.smart-stock-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:14px 0 16px;padding:16px 18px;border-radius:22px;background:linear-gradient(135deg,rgba(91,85,241,.08),rgba(14,165,233,.06));border:1px solid rgba(91,85,241,.12)}
.smart-stock-toolbar strong{display:block;font-size:15px}.smart-stock-toolbar span,.smart-stock-toolbar small{color:var(--premium-muted);font-weight:700}.premium-stock-list{gap:14px}.premium-stock-card{border:1px solid rgba(148,163,184,.22);border-radius:24px;background:rgba(255,255,255,.90);box-shadow:0 14px 36px rgba(15,23,42,.055);transition:.18s ease;overflow:hidden}.premium-stock-card:hover{transform:translateY(-1px);box-shadow:0 22px 54px rgba(15,23,42,.09)}.premium-stock-card summary{padding:17px 18px;background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(248,250,252,.92))}.premium-stock-card[open] summary{background:linear-gradient(135deg,rgba(238,242,255,.92),rgba(240,249,255,.82));border-bottom:1px solid rgba(148,163,184,.18)}
.stock-title-block{display:flex;align-items:center;gap:13px;min-width:0}.stock-icon{width:42px;height:42px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(91,85,241,.14),rgba(14,165,233,.14));color:#312e81;font-weight:950;text-transform:uppercase;flex:0 0 auto}.premium-stock-card .smart-main{min-width:0}.premium-stock-card .smart-main strong{font-size:17px;line-height:1.25;letter-spacing:-.025em}.premium-stock-card .smart-main span{display:flex;gap:7px;flex-wrap:wrap;margin-top:7px}.premium-stock-card .smart-main span em,.premium-stock-card .smart-main span i{font-style:normal;border:1px solid rgba(148,163,184,.22);background:#f8fafc;color:#475569;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:900}.premium-stock-card .smart-numbers{min-width:126px;padding:9px 12px;border-radius:18px;background:#f8fafc;border:1px solid rgba(148,163,184,.18)}.premium-stock-card .smart-numbers b{font-size:28px}.premium-stock-card.low{border-color:rgba(245,158,11,.42);box-shadow:0 18px 44px rgba(245,158,11,.13)}.premium-stock-card.low .smart-numbers{background:#fffbeb;border-color:rgba(245,158,11,.32)}.premium-stock-card.low .stock-icon{background:#fffbeb;color:#92400e}.smart-detail-body{background:rgba(248,250,252,.72)}.premium-detail-table table{min-width:940px}.premium-detail-table th{background:#f8fafc;color:#64748b}.report-text{border-radius:22px;background:linear-gradient(180deg,#101827,#0b1220);box-shadow:inset 0 1px 0 rgba(255,255,255,.06);font-size:14px}
@media (max-width:820px){.main-content{padding:18px}.topbar{padding:18px;border-radius:22px}.smart-stock-toolbar{display:grid}.premium-stock-card summary{display:grid;gap:14px}.stock-title-block{align-items:flex-start}.premium-stock-card .smart-numbers{text-align:left;min-width:0;width:100%}}