:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --border: #e2e6ec;
  --text: #1d2430;
  --muted: #6b7585;
  --primary: #1f6feb;
  --success: #1a7f37;
  --success-bg: #e6f4ea;
  --danger: #cf222e;
  --danger-bg: #fdecec;
  --warning: #9a6700;
  --warning-bg: #fff4d6;
  --info: #0969da;
  --info-bg: #e7f0fd;
  --neutral-bg: #eef1f5;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141b;
    --surface: #171d26;
    --border: #2a3340;
    --text: #e6ebf2;
    --muted: #8b96a8;
    --primary: #4c8dff;
    --success: #4ac26b;
    --success-bg: #12301c;
    --danger: #ff6b6b;
    --danger-bg: #3a1618;
    --warning: #e3b341;
    --warning-bg: #33280c;
    --info: #6cb6ff;
    --info-bg: #10263f;
    --neutral-bg: #222a35;
  }
}

* { box-sizing: border-box; }

/* [hidden] precisa vencer os display: grid/flex definidos abaixo. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.muted { color: var(--muted); }
.error { color: var(--danger); margin: 0; }

/* ---------- botões e campos ---------- */
.btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 12px;
  font: inherit;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { filter: brightness(0.97); }
.btn:disabled { opacity: 0.55; cursor: progress; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #fff; }
.btn-small { padding: 4px 9px; font-size: 13px; }

input {
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  min-width: 0;
}
input:focus { outline: 2px solid var(--primary); outline-offset: -1px; }

/* ---------- login ---------- */
.login-page { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: grid;
  gap: 14px;
}
.login-card h1 { margin: 0; font-size: 20px; }
.login-card p { margin: 0; }
.login-card label { display: grid; gap: 6px; font-weight: 500; }

/* ---------- layout ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0; font-size: 18px; }
main { max-width: 1200px; margin: 0 auto; padding: 20px 24px 40px; display: grid; gap: 16px; }

/* ---------- alerta de imagem ---------- */
.image-alert {
  border: 2px solid var(--warning);
  background: var(--warning-bg);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: grid;
  gap: 10px;
  animation: pulse 1.6s ease-in-out infinite;
}
.image-alert h2 { margin: 0; font-size: 16px; color: var(--warning); }
.image-alert .sound-hint { font-size: 13px; }
.image-alert-list { display: grid; gap: 8px; }
.image-alert-item { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.image-alert-item img { width: 56px; height: 56px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(227, 179, 65, 0); }
  50% { box-shadow: 0 0 0 6px rgba(227, 179, 65, 0.35); }
}

/* ---------- KPIs ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.kpi {
  text-align: left;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  font: inherit;
  color: inherit;
}
.kpi:hover { border-color: var(--primary); }
.kpi.active { outline: 2px solid var(--primary); }
.kpi .label { color: var(--muted); font-size: 13px; }
.kpi .value { font-size: 30px; font-weight: 700; line-height: 1.2; }
.kpi.success .value { color: var(--success); }
.kpi.danger .value { color: var(--danger); }
.kpi .hint { font-size: 12px; color: var(--muted); }

/* ---------- barra de ações ---------- */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.manual-reset { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.manual-reset input { width: 210px; }
.feedback { font-size: 13px; }
.feedback.ok { color: var(--success); }
.feedback.fail { color: var(--danger); }

.filters { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 5px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.filters input[type="search"] { width: 230px; }

/* ---------- lista de mensagens ---------- */
.list { display: grid; gap: 10px; }
.empty { text-align: center; padding: 30px; color: var(--muted); }
.msg {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: grid;
  gap: 8px;
}
.msg.s-resetado { border-left-color: var(--success); }
.msg.s-falhou { border-left-color: var(--danger); }
.msg.s-imagem { border-left-color: var(--warning); }
.msg.s-sem_pedido { border-left-color: var(--info); }
.msg-head { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; justify-content: space-between; }
.msg-meta { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: center; }
.msg-sender { font-weight: 600; }
.msg-time { color: var(--muted); font-size: 13px; }
.msg-body { white-space: pre-wrap; word-break: break-word; margin: 0; }
.msg-image img { max-width: 220px; max-height: 220px; border-radius: 8px; border: 1px solid var(--border); display: block; }
.msg-detail { font-size: 13px; color: var(--muted); }
.msg-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.msg-actions input { width: 190px; }

.docs { display: flex; flex-wrap: wrap; gap: 6px; }
.doc {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12.5px;
  border-radius: 6px;
  padding: 2px 8px;
  background: var(--neutral-bg);
}
.doc.ok { background: var(--success-bg); color: var(--success); }
.doc.fail { background: var(--danger-bg); color: var(--danger); }

.badge { border-radius: 999px; padding: 2px 10px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge.resetado { background: var(--success-bg); color: var(--success); }
.badge.falhou { background: var(--danger-bg); color: var(--danger); }
.badge.imagem { background: var(--warning-bg); color: var(--warning); }
.badge.sem_pedido { background: var(--info-bg); color: var(--info); }
.badge.sem_documento, .badge.pendente { background: var(--neutral-bg); color: var(--muted); }

.pager { display: flex; justify-content: center; gap: 8px; align-items: center; }

@media (max-width: 640px) {
  .topbar, main { padding-left: 16px; padding-right: 16px; }
  .manual-reset input, .filters input[type="search"], .msg-actions input { width: 100%; }
  .manual-reset, .filters { width: 100%; }
}