:root {
  color-scheme: dark;
  --bg: #07090c;
  --sidebar: #0d1117;
  --panel: #111820;
  --panel-soft: #151e28;
  --panel-strong: #1a2430;
  --text: #f3f7fb;
  --muted: #97a7b7;
  --subtle: #647586;
  --line: #263341;
  --line-strong: #344657;
  --red: #e3222d;
  --red-dark: #98151f;
  --red-soft: rgba(227, 34, 45, 0.14);
  --green: #2fd17c;
  --warning: #ffb454;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 20% 0%, rgba(227, 34, 45, 0.16), transparent 30%),
    linear-gradient(145deg, #050608 0%, #0b1016 45%, #080b0f 100%);
  color: var(--text);
  font: 15px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  width: min(1480px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
  display: grid;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 74px;
  padding: 16px;
  color: var(--text);
  text-decoration: none;
  background: rgba(13, 17, 23, 0.84);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand span {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.nav-card,
.connection-card,
.panel,
.hero-card {
  background: rgba(17, 24, 32, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.nav-card {
  display: grid;
  padding: 10px;
}

.nav-card a {
  display: block;
  padding: 10px 12px;
  color: var(--muted);
  text-decoration: none;
  border-radius: 8px;
}

.nav-card a:hover {
  background: var(--red-soft);
  color: var(--text);
}

.connection-card {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.label,
.eyebrow {
  margin: 0 0 6px;
  color: var(--subtle);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.connection-card strong {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.connection-card strong::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--warning);
  box-shadow: 0 0 16px rgba(255, 180, 84, 0.8);
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.button-row .danger {
  border-color: rgba(227, 34, 45, 0.75);
  background: linear-gradient(180deg, #c22630, #7e131b);
}

.button-row.tight {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.content {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding: 28px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(227, 34, 45, 0.18), rgba(227, 34, 45, 0.02) 42%),
    rgba(17, 24, 32, 0.9);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1;
  letter-spacing: -0.03em;
}

h2 {
  margin-bottom: 0;
  font-size: 21px;
  line-height: 1.2;
}

.hero-card p:not(.eyebrow) {
  max-width: 780px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.feedback-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.state-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  max-width: 100%;
  padding: 7px 10px;
  color: #dbe6f0;
  background: #0a1017;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.state-pill.success {
  color: #b9f7d6;
  background: rgba(47, 209, 124, 0.12);
  border-color: rgba(47, 209, 124, 0.45);
}

.state-pill.warning {
  color: #ffe2ad;
  background: rgba(255, 180, 84, 0.12);
  border-color: rgba(255, 180, 84, 0.42);
}

.state-pill.error {
  color: #ffd0d5;
  background: rgba(227, 34, 45, 0.16);
  border-color: rgba(227, 34, 45, 0.56);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 10px;
}

.status-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.status-grid article {
  min-width: 120px;
  padding: 14px;
  background: rgba(9, 13, 18, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.status-grid span {
  display: block;
  margin-bottom: 6px;
  color: var(--subtle);
  font-size: 12px;
}

.status-grid strong {
  display: block;
  overflow: hidden;
  color: var(--text);
  font-size: 18px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.support-text {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.support-text.muted {
  color: var(--subtle);
}

.panel {
  padding: 22px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-head.compact {
  margin-bottom: 14px;
}

.split-grid,
.form-grid {
  display: grid;
  gap: 16px;
}

.split-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 7px;
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.toggle {
  display: flex;
  grid-template-columns: none;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 10px 12px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
}

.toggle-stack {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.toggle-stack.inline {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

input,
textarea,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #0c131b;
  color: var(--text);
  padding: 10px 12px;
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(227, 34, 45, 0.18);
}

input[type="checkbox"] {
  width: 18px;
  min-height: 18px;
  accent-color: var(--red);
}

select[multiple] {
  min-height: 160px;
}

textarea {
  resize: vertical;
}

button {
  width: auto;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--red);
  border-radius: 8px;
  background: linear-gradient(180deg, #f0313a, var(--red-dark));
  color: #fff;
  cursor: pointer;
  font-weight: 800;
}

button:hover {
  filter: brightness(1.08);
}

button:disabled {
  cursor: wait;
  opacity: 0.68;
  filter: none;
}

button.is-busy::after {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 9px;
  border: 2px solid rgba(255, 255, 255, 0.42);
  border-top-color: #fff;
  border-radius: 999px;
  animation: spin 0.8s linear infinite;
}

button.secondary {
  border-color: var(--line-strong);
  background: #121b25;
  color: var(--text);
}

pre {
  min-height: 190px;
  max-height: 340px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  background: #070a0e;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  color: #dbe6f0;
}

.qr-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
}

#qrImage {
  display: block;
  width: min(260px, 100%);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
}

.hidden {
  display: none !important;
}

.list {
  display: grid;
  gap: 10px;
  max-height: 420px;
  overflow: auto;
}

.activity-log {
  display: grid;
  gap: 10px;
  max-height: 520px;
  overflow: auto;
  padding-right: 4px;
}

.activity-item {
  display: grid;
  gap: 8px;
  padding: 13px 14px;
  background: #0b1118;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: 8px;
}

.activity-item.success {
  border-left-color: var(--green);
}

.activity-item.warning {
  border-left-color: var(--warning);
}

.activity-item.error {
  border-left-color: var(--red);
}

.activity-top,
.activity-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.activity-top strong {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.activity-top time,
.activity-meta {
  color: var(--subtle);
  font-size: 12px;
}

.activity-meta {
  justify-content: flex-start;
  flex-wrap: wrap;
}

.activity-item p {
  margin: 0;
  color: var(--muted);
  word-break: break-word;
}

.row {
  display: grid;
  gap: 4px;
  padding: 12px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.row strong {
  overflow: hidden;
  color: var(--text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row span {
  color: var(--muted);
}

.empty-list:empty::before {
  content: "Nada registrado ainda.";
  display: block;
  padding: 14px;
  color: var(--subtle);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.toast-host {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  display: grid;
  gap: 10px;
  width: min(380px, calc(100vw - 36px));
}

.toast {
  padding: 12px 14px;
  color: var(--text);
  background: #0d141c;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

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

.toast.success {
  border-color: rgba(47, 209, 124, 0.55);
}

.toast.error {
  border-color: rgba(227, 34, 45, 0.7);
}

.toast.info {
  border-color: var(--line-strong);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1160px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .nav-card {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .hero-card,
  .qr-panel,
  .split-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  .app-shell {
    width: min(100% - 20px, 1480px);
    padding-top: 10px;
  }

  .nav-card,
  .form-grid,
  .form-grid.two,
  .toggle-stack.inline,
  .status-grid {
    grid-template-columns: 1fr;
  }

  .status-grid.compact {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  button {
    width: 100%;
  }

  .button-row.tight {
    justify-content: stretch;
  }

  .button-row.tight .state-pill {
    width: 100%;
    justify-content: center;
  }

  .activity-top {
    align-items: flex-start;
    flex-direction: column;
  }
}