:root {
  --ink: #16222d;
  --muted: #647386;
  --line: #d7e1eb;
  --soft: #f3f7fa;
  --blue: #245b91;
  --blue-2: #2f6fae;
  --teal: #0f766e;
  --green-soft: #e8f7f4;
  --red: #a11d1d;
  --amber: #99620d;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: #eef3f7;
}
button, input, select, textarea {
  font: inherit;
}
button {
  border: 0;
  border-radius: 8px;
  padding: 12px 16px;
  background: var(--teal);
  color: white;
  font-weight: 700;
  cursor: pointer;
}
button.secondary { background: var(--blue-2); }
button.danger, .nav.danger { color: #ffe5e5; }
input, select, textarea {
  width: 100%;
  border: 1px solid #bdd0e3;
  border-radius: 8px;
  padding: 12px;
  background: white;
  color: var(--ink);
}
label {
  display: block;
  margin: 14px 0 6px;
  color: var(--muted);
  font-weight: 700;
}
.hidden { display: none !important; }
.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(420px, 100%);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  padding: 28px;
  box-shadow: 0 18px 48px rgba(18, 44, 68, .12);
}
.brand-mark {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #245b91, #0f766e);
  color: white;
  font-weight: 900;
}
.brand-mark.small {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  flex: 0 0 auto;
}
.login-card h1 { margin: 18px 0 6px; }
.login-card p { margin: 0 0 18px; color: var(--muted); }
.login-card button { width: 100%; margin-top: 18px; }
.message { margin-top: 12px; color: var(--red); font-weight: 700; min-height: 22px; }
.app-shell {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
}
.sidebar {
  background: #123e66;
  color: white;
  padding: 18px;
}
.logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.logo-row span {
  display: block;
  color: #c9d9e8;
  font-size: 13px;
}
.nav {
  display: block;
  width: 100%;
  margin: 8px 0;
  background: transparent;
  color: #dce9f5;
  text-align: left;
  border: 1px solid rgba(255,255,255,.1);
}
.nav.active {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.35);
  color: white;
}
.content {
  padding: 22px;
  min-width: 0;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.topbar h1 { margin: 0; font-size: 28px; }
.topbar p { margin: 4px 0 0; color: var(--muted); }
.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.storage-badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  color: var(--muted);
  padding: 8px 11px;
  font-size: 12px;
  font-weight: 800;
}
.storage-badge.online {
  background: var(--green-soft);
  border-color: #85d8c9;
  color: var(--teal);
}
.storage-badge.pending {
  background: #fff7d6;
  border-color: #f2c94c;
  color: #7a5200;
}
.storage-badge.error {
  background: #ffe8e8;
  border-color: #f3a4a4;
  color: var(--red);
}
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
}
.metric, .panel {
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.metric {
  padding: 18px;
  border-left: 5px solid var(--teal);
}
.metric.support-metric {
  border-left-color: var(--blue-2);
}
.metric span {
  color: var(--muted);
  font-weight: 700;
}
.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 28px;
}
.grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}
.panel {
  padding: 18px;
  margin-bottom: 14px;
}
.panel h2 { margin: 0 0 12px; font-size: 19px; }
.panel-head {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: 10px;
}
.list > div, .event-list > div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--soft);
  margin-bottom: 8px;
}
.event-list small, .list small, .device-card small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}
.table-wrap {
  overflow: auto;
}
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 8px;
}
th {
  color: var(--muted);
  text-align: left;
  font-size: 13px;
  padding: 0 10px 4px;
}
td {
  background: var(--soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  vertical-align: top;
}
td:first-child { border-left: 1px solid var(--line); border-radius: 9px 0 0 9px; }
td:last-child { border-right: 1px solid var(--line); border-radius: 0 9px 9px 0; }
.status {
  display: inline-block;
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 800;
  background: var(--green-soft);
  color: var(--teal);
}
.status.EXPIRADA, .status.BLOQUEADA {
  background: #ffe2df;
  color: var(--red);
}
.status.DISPONIVEL {
  background: #e8f1fa;
  color: var(--blue);
}
.status.ABERTO {
  background: #fff2cb;
  color: var(--amber);
}
.status.EM_ATENDIMENTO {
  background: #e8f1fa;
  color: var(--blue);
}
.status.RESOLVIDO {
  background: var(--green-soft);
  color: var(--teal);
}
.key-cell {
  font-family: Consolas, monospace;
  font-weight: 700;
}
.row-actions {
  display: flex;
  gap: 8px;
}
.row-actions button {
  padding: 8px 10px;
  font-size: 12px;
}
.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.device-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  background: var(--soft);
}
.device-card strong { display: block; margin-bottom: 4px; }
.client-card span {
  display: block;
  margin-top: 6px;
  color: var(--ink);
}
.client-card small {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.live-badge {
  display: inline-block;
  margin-top: 2px;
  border-radius: 999px;
  background: var(--green-soft);
  border: 1px solid #8dd8cb;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  padding: 4px 9px;
}
.support-list {
  display: grid;
  gap: 12px;
}
.support-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--soft);
  padding: 15px;
}
.support-card.urgent {
  border-color: #efb2a8;
  background: #fff8f6;
}
.support-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.support-top strong {
  display: block;
  font-size: 17px;
}
.support-top span {
  color: var(--muted);
  font-size: 13px;
}
.support-card p {
  margin: 12px 0;
  line-height: 1.45;
  white-space: pre-wrap;
}
.support-chat {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  max-height: 280px;
  overflow: auto;
  padding-right: 4px;
}
.chat-line {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: white;
  max-width: 82%;
}
.chat-line.admin {
  justify-self: end;
  background: var(--green-soft);
  border-color: #9fdccd;
}
.chat-line.client {
  justify-self: start;
  background: #eef5fb;
}
.chat-line strong,
.chat-line span,
.chat-line small {
  display: block;
}
.chat-line span {
  margin-top: 4px;
  white-space: pre-wrap;
}
.chat-line small {
  margin-top: 5px;
  color: var(--muted);
}
.support-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.support-meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  color: var(--muted);
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 700;
}
.support-note {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}
.reply-box {
  margin-top: 12px;
  resize: vertical;
}
.support-actions {
  margin-top: 12px;
}
.key-panel { max-width: 760px; }
.form-grid {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 10px 16px;
  align-items: center;
}
.form-grid label { margin: 0; }
.inline {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 10px;
}
.created-key {
  margin-top: 16px;
  padding: 16px;
  border-radius: 10px;
  background: var(--green-soft);
  border: 1px solid var(--teal);
}
.created-key code {
  display: block;
  margin: 8px 0;
  font-size: 22px;
  font-weight: 900;
  color: var(--teal);
  word-break: break-all;
}
@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .metric-grid, .grid-two, .form-grid { grid-template-columns: 1fr; }
  .panel-head { grid-template-columns: 1fr; }
}