:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #f0f3f8;
  --card: #ffffff;
  --text: #18202f;
  --muted: #667085;
  --border: #d9dee8;
  --primary: #2563eb;
  --primary-strong: #1d4ed8;
  --success: #168a52;
  --warning: #b56a00;
  --danger: #c93434;
  --info: #0b66c3;
  --status-created-bg: #eef6ff;
  --status-created-border: #b8d8ff;
  --status-progress-bg: #fff7e8;
  --status-progress-border: #ffd99a;
  --status-done-bg: #edf9f2;
  --status-done-border: #a9dfbf;
  --status-canceled-bg: #fff0f0;
  --status-canceled-border: #f2b8b8;
  --shadow: 0 14px 35px rgba(20, 31, 52, .08);
  --radius: 8px;
  --input: #ffffff;
  --row-hover: #f7f9fd;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #10141d;
  --surface: #171d29;
  --surface-2: #202838;
  --card: #171d29;
  --text: #eef2f7;
  --muted: #a5adbb;
  --border: #30394b;
  --primary: #6ea8ff;
  --primary-strong: #8bb9ff;
  --success: #52c98a;
  --warning: #ffc15a;
  --danger: #ff7b7b;
  --info: #6db8ff;
  --status-created-bg: #142235;
  --status-created-border: #315984;
  --status-progress-bg: #2b2417;
  --status-progress-border: #7a5a22;
  --status-done-bg: #14281f;
  --status-done-border: #2f704e;
  --status-canceled-bg: #2e1b1d;
  --status-canceled-border: #82383d;
  --shadow: 0 16px 38px rgba(0, 0, 0, .25);
  --input: #111722;
  --row-hover: #1f2735;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.app-shell { min-height: 100vh; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 750;
  white-space: nowrap;
}

.brand img { width: 30px; height: 30px; border-radius: 6px; }
.brand:hover { text-decoration: none; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: thin;
}

.main-nav a {
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 7px;
  font-size: 14px;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text);
  background: var(--surface-2);
  text-decoration: none;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  color: var(--text);
  font-weight: 700;
  font-size: 13px;
  border: 1px solid var(--border);
}

.container {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 20px 18px 36px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.page-title { margin: 0; font-size: 26px; line-height: 1.2; letter-spacing: 0; }
.page-subtitle { margin: 5px 0 0; color: var(--muted); font-size: 14px; }

.grid { display: grid; gap: 14px; }
.grid.stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.stat {
  min-height: 92px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left-width: 5px;
}

.stat-label { color: var(--muted); font-size: 13px; }
.stat-value { font-size: 30px; line-height: 1; font-weight: 780; margin-top: 10px; }

.stat-created {
  background: var(--status-created-bg);
  border-color: var(--status-created-border);
}

.stat-progress {
  background: var(--status-progress-bg);
  border-color: var(--status-progress-border);
}

.stat-done {
  background: var(--status-done-bg);
  border-color: var(--status-done-border);
}

.stat-open {
  background: var(--surface);
  border-color: color-mix(in srgb, var(--primary) 48%, var(--border));
}

.stat-open .stat-value {
  color: var(--primary);
}

.summary-card {
  border-left-width: 5px;
  display: block;
}

.summary-card:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.summary-clientes {
  background: var(--status-created-bg);
  border-color: var(--status-created-border);
}

.summary-produtos {
  background: var(--status-done-bg);
  border-color: var(--status-done-border);
}

.summary-dispositivos {
  background: var(--status-progress-bg);
  border-color: var(--status-progress-border);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.toolbar .field { margin: 0; }

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label,
.label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.input,
.select,
.textarea {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--input);
  color: var(--text);
  padding: 8px 10px;
  outline: none;
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 38px;
  padding: 8px 12px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}

.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-strong); }
.btn.small { min-height: 30px; padding: 5px 9px; font-size: 13px; }
.btn.icon { width: 38px; padding: 0; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: var(--card);
}

.table th,
.table td {
  padding: 11px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: top;
}

.table th {
  color: var(--muted);
  background: var(--surface-2);
  font-weight: 700;
  white-space: nowrap;
}

.table tr:hover td { background: var(--row-hover); }
.table tr:last-child td { border-bottom: 0; }

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 650;
  border: 1px solid currentColor;
}

.badge.ok { color: var(--success); }
.badge.warn { color: var(--warning); }
.badge.danger { color: var(--danger); }
.badge.info { color: var(--info); }
.badge.muted { color: var(--muted); }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.empty { padding: 24px; color: var(--muted); text-align: center; }
.alert { border: 1px solid var(--danger); color: var(--danger); border-radius: var(--radius); padding: 10px 12px; }

.kanban {
  display: grid;
  grid-template-columns: repeat(4, minmax(240px, 1fr));
  gap: 14px;
  align-items: start;
}

.kanban-column {
  min-height: 280px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.kanban-head {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.kanban-head span {
  min-width: 28px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: var(--card);
  color: var(--muted);
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
}

.kanban-list {
  display: grid;
  gap: 10px;
  padding: 12px;
  max-height: 520px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

.kanban-card {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
}

.kanban-column[data-column="criada"] .kanban-card {
  background: var(--status-created-bg);
  border-color: var(--status-created-border);
}

.kanban-column[data-column="em_atendimento"] .kanban-card {
  background: var(--status-progress-bg);
  border-color: var(--status-progress-border);
}

.kanban-column[data-column="concluida"] .kanban-card {
  background: var(--status-done-bg);
  border-color: var(--status-done-border);
}

.kanban-column[data-column="cancelada"] .kanban-card {
  background: var(--status-canceled-bg);
  border-color: var(--status-canceled-border);
}

.kanban-card-top,
.kanban-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.kanban-card strong {
  font-size: 14px;
  line-height: 1.3;
}

.kanban-card span,
.kanban-meta {
  color: var(--muted);
  font-size: 12px;
}

.kanban-actions .toolbar {
  align-items: stretch;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  max-width: min(420px, calc(100vw - 36px));
  background: var(--surface);
  color: var(--text);
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  transition: .2s ease;
}

.toast.show { opacity: 1; transform: translateY(0); }

code {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 960px) {
  .topbar-inner { align-items: flex-start; flex-wrap: wrap; }
  .main-nav { order: 3; flex-basis: 100%; }
  .grid.stats,
  .grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kanban { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .container { padding-inline: 12px; }
  .page-header { flex-direction: column; }
  .grid.stats,
  .grid.cols-2,
  .grid.cols-3 { grid-template-columns: 1fr; }
  .toolbar { align-items: stretch; }
  .toolbar .field,
  .toolbar .btn { width: 100%; }
  .kanban { grid-template-columns: 1fr; }
  .kanban-card-top,
  .kanban-meta { align-items: flex-start; flex-direction: column; }
  .top-actions .muted { display: none; }
}