@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&display=swap');

:root {
  --font-family: 'Open Sans', sans-serif;
  --color-primary: #1677ff;
  --color-primary-hover: #0f66dc;
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-success: #17803d;
  --color-warning: #b7791f;
  --color-danger: #c53030;
  --color-info: #1d4ed8;
  --radius-sm: 6px;
  --radius-md: 9px;
  --radius-lg: 12px;
  --control-height: 44px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 14px;
  line-height: 1.5;
}
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }

/* Layout sem cards pesados/sombras */
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 260px minmax(0,1fr); }
.sidebar { background: var(--color-surface); border-right: 1px solid var(--color-border); min-height: 100vh; position: sticky; top: 0; }
.sidebar__brand { min-height: 72px; display: flex; align-items: center; padding: 0 var(--space-5); border-bottom: 1px solid var(--color-border); font-weight: 700; font-size: 18px; }
.sidebar__nav { padding: var(--space-4) var(--space-3); }
.nav-item { display: flex; gap: 10px; align-items: center; min-height: 42px; padding: 0 12px; border-radius: var(--radius-sm); color: #374151; margin-bottom: 3px; }
.nav-item:hover { background: #f3f4f6; }
.nav-item.is-active { background: #eef5ff; color: var(--color-primary); font-weight: 600; }
.nav-icon { width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 20px; }
.main { min-width: 0; }
.topbar { height: 72px; background: var(--color-surface); border-bottom: 1px solid var(--color-border); display:flex; align-items:center; justify-content:flex-end; padding: 0 var(--space-6); }
.content { padding: var(--space-6); max-width: 1500px; margin: 0 auto; }

.page-heading { margin-bottom: var(--space-5); }
.page-heading__row { display:flex; align-items:center; justify-content:space-between; gap: var(--space-4); }
.page-title { margin:0; font-size: 26px; line-height:1.2; font-weight:700; }
.breadcrumb { margin-top: 6px; color: var(--color-muted); font-size: 13px; }

/* Superfícies: borda e espaçamento, sem shadow padrão */
.surface { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.surface__header { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-border); }
.surface__body { padding: var(--space-5); }
.surface__title { margin:0; font-size:17px; font-weight:600; }

/* Botões */
.btn { min-height: var(--control-height); border-radius: var(--radius-sm); border:1px solid transparent; padding: 0 16px; display:inline-flex; align-items:center; justify-content:center; gap:8px; font-weight:600; cursor:pointer; transition: background-color .15s ease, border-color .15s ease, color .15s ease; }
.btn-primary { background:var(--color-primary); color:#fff; }
.btn-primary:hover { background:var(--color-primary-hover); }
.btn-secondary { background:#fff; color:var(--color-text); border-color:var(--color-border); }
.btn-secondary:hover { background:#f9fafb; }
.btn-danger { background:var(--color-danger); color:#fff; }
.btn-ghost { background:transparent; color:var(--color-text); }

/* Floating label */
.field { position:relative; margin-bottom:var(--space-4); }
.field__control { width:100%; min-height:var(--control-height); border:1px solid #cfd5dd; background:#fff; color:var(--color-text); border-radius:var(--radius-sm); padding: 16px 13px 6px; outline:none; }
textarea.field__control { min-height:100px; resize:vertical; }
.field__label { position:absolute; left:10px; top:13px; color:var(--color-muted); background:#fff; padding:0 4px; pointer-events:none; transition:.15s ease; }
.field__control:focus { border-color:var(--color-primary); }
.field__control:focus + .field__label,
.field__control:not(:placeholder-shown) + .field__label,
.field__control.has-value + .field__label { top:-8px; font-size:11px; color:var(--color-primary); }
.field__help { font-size:12px; color:var(--color-muted); margin-top:5px; }
.field.is-error .field__control { border-color:var(--color-danger); }
.field.is-error .field__help { color:var(--color-danger); }

/* Alerts */
.alert { border:1px solid var(--color-border); border-left-width:4px; border-radius:var(--radius-sm); padding:12px 14px; background:#fff; display:flex; gap:10px; align-items:flex-start; }
.alert-info { border-left-color:var(--color-info); }
.alert-success { border-left-color:var(--color-success); }
.alert-warning { border-left-color:var(--color-warning); }
.alert-danger { border-left-color:var(--color-danger); }

/* Modal global */
.modal-backdrop { position:fixed; inset:0; background:rgba(17,24,39,.42); display:none; align-items:center; justify-content:center; padding:20px; z-index:1000; }
.modal-backdrop.is-open { display:flex; }
.modal { width:min(640px,100%); max-height:calc(100vh - 40px); overflow:hidden; background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-lg); display:flex; flex-direction:column; }
.modal--lg { width:min(920px,100%); }
.modal__header { min-height:60px; padding:14px 18px; display:flex; align-items:center; justify-content:space-between; border-bottom:1px solid var(--color-border); }
.modal__title { margin:0; font-size:18px; font-weight:700; }
.modal__body { padding:18px; overflow:auto; }
.modal__footer { padding:14px 18px; border-top:1px solid var(--color-border); display:flex; justify-content:flex-end; gap:10px; background:#fff; }

/* Tabelas */
.table-wrap { overflow:auto; }
.table { width:100%; border-collapse:collapse; }
.table th, .table td { padding:12px 14px; border-bottom:1px solid var(--color-border); text-align:left; vertical-align:middle; white-space:nowrap; }
.table th { font-size:12px; text-transform:uppercase; letter-spacing:.02em; color:var(--color-muted); font-weight:600; background:#fafafa; }
.table tr:last-child td { border-bottom:0; }

.badge { display:inline-flex; align-items:center; min-height:26px; padding:0 9px; border-radius:999px; font-size:12px; font-weight:600; border:1px solid var(--color-border); background:#fff; }
.badge-success { color:var(--color-success); border-color:#b7e2c4; background:#f3fbf5; }
.badge-warning { color:#8a5b13; border-color:#efd59d; background:#fffaf0; }
.badge-danger { color:var(--color-danger); border-color:#f0b9b9; background:#fff5f5; }

.grid { display:grid; gap:var(--space-4); }
.grid-2 { grid-template-columns:repeat(2,minmax(0,1fr)); }
.grid-3 { grid-template-columns:repeat(3,minmax(0,1fr)); }
.grid-4 { grid-template-columns:repeat(4,minmax(0,1fr)); }

.metric { padding:18px; background:#fff; border:1px solid var(--color-border); border-radius:var(--radius-md); }
.metric__label { color:var(--color-muted); font-size:13px; }
.metric__value { font-size:26px; font-weight:700; margin-top:5px; }

@media (max-width: 900px) {
  .app-shell { grid-template-columns:1fr; }
  .sidebar { display:none; }
  .topbar { height:60px; padding:0 16px; }
  .content { padding:16px; }
  .page-title { font-size:22px; }
  .grid-4,.grid-3,.grid-2 { grid-template-columns:1fr; }
  .btn { min-height:48px; }
  .modal-backdrop { padding:0; align-items:stretch; }
  .modal, .modal--lg { width:100%; max-height:100vh; height:100%; border-radius:0; border:0; }
  .modal__footer { position:sticky; bottom:0; }
}

.icon { display:block; flex:none; }
.btn .icon { width:18px; height:18px; }


.topbar__meta { display:flex; align-items:center; gap:14px; color:var(--color-muted); font-size:12px; }
.topbar__meta strong { color:var(--color-text); font-size:14px; }

.update-grid { display:grid; grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr); gap:var(--space-4); align-items:start; }
.upload-zone { border:1px dashed #b9c3d0; border-radius:var(--radius-md); padding:24px; background:#fbfcfe; }
.upload-zone__title { font-size:16px; font-weight:700; margin-bottom:6px; }
.upload-zone__text { color:var(--color-muted); margin-bottom:16px; }
.file-input { width:100%; min-height:46px; padding:9px 10px; border:1px solid var(--color-border); border-radius:var(--radius-sm); background:#fff; }
.update-facts { display:grid; gap:0; }
.update-fact { display:flex; justify-content:space-between; gap:18px; padding:11px 0; border-bottom:1px solid var(--color-border); }
.update-fact:last-child { border-bottom:0; }
.update-fact__label { color:var(--color-muted); }
.update-fact__value { font-weight:600; text-align:right; }
.status-dot { display:inline-flex; align-items:center; gap:7px; font-weight:600; font-size:12px; }
.status-dot::before { content:''; width:8px; height:8px; border-radius:50%; background:#9ca3af; }
.status-dot--completed::before { background:var(--color-success); }
.status-dot--failed::before { background:var(--color-danger); }
.status-dot--installing::before { background:var(--color-warning); }
.hash { font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-size:11px; word-break:break-all; color:var(--color-muted); }
.inline-actions { display:flex; gap:10px; flex-wrap:wrap; align-items:center; }

@media (max-width: 900px) {
  .update-grid { grid-template-columns:1fr; }
  .update-fact { align-items:flex-start; }
}

.topbar__logout { color:var(--color-primary); font-weight:600; padding-left:2px; }
.auth-wrap { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px; background:var(--color-bg); }
.auth-box { width:min(430px,100%); }
.auth-brand { font-size:20px; font-weight:700; margin-bottom:6px; }
.auth-subtitle { color:var(--color-muted); margin-bottom:20px; }