:root {
  --surface: #f8f9ff;
  --surface-lowest: #ffffff;
  --surface-low: #eff4ff;
  --surface-container: #e5eeff;
  --surface-high: #dce9ff;
  --surface-highest: #d3e4fe;
  --on-surface: #0b1c30;
  --on-surface-variant: #45464d;
  --outline: #76777d;
  --outline-variant: #c6c6cd;
  --primary-container: #131b2e;
  --on-primary: #ffffff;
  --secondary: #006c49;
  --secondary-container: #6cf8bb;
  --warning: #b87500;
  --warning-container: #ffddb8;
  --error: #ba1a1a;
  --error-container: #ffdad6;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 20px rgba(15, 23, 42, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--on-surface);
  background: var(--surface);
  font-family: Inter, Arial, Helvetica, sans-serif;
  font-size: 14px;
}

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

button {
  cursor: pointer;
}

.material-symbols-outlined {
  display: inline-block;
  font-size: 22px;
  font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 24;
  line-height: 1;
}

.app-shell {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: 0 16px 92px;
}

.auth-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px 16px;
  background:
    linear-gradient(135deg, rgba(19, 27, 46, 0.08), rgba(108, 248, 187, 0.1)),
    var(--surface);
}

.auth-card {
  display: grid;
  gap: 18px;
  width: min(100%, 440px);
  padding: 22px;
  background: var(--surface-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  background: var(--surface-low);
  border-radius: 8px;
}

.auth-tab {
  min-height: 38px;
  color: var(--on-surface-variant);
  background: transparent;
  border: 0;
  border-radius: 4px;
  font-weight: 800;
}

.auth-tab.active {
  color: var(--on-primary);
  background: var(--primary-container);
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-message {
  min-height: 20px;
  color: var(--on-surface-variant);
  line-height: 20px;
}

.auth-message.error {
  color: var(--error);
  font-weight: 700;
}

.auth-message.success {
  color: var(--secondary);
  font-weight: 700;
}

.top-app-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  gap: 8px;
  min-height: 72px;
  margin: 0 -16px 16px;
  padding: 10px 16px;
  background: rgba(248, 249, 255, 0.94);
  border-bottom: 1px solid var(--outline-variant);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  color: var(--secondary-container);
  background: var(--primary-container);
  border-radius: 8px;
}

.brand p,
.overline,
.metric-card p,
.helper-text {
  margin: 0;
  color: var(--on-surface-variant);
}

.brand p,
.overline {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 16px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  overflow: hidden;
  font-size: 16px;
  font-weight: 800;
  line-height: 22px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 32px;
}

h3 {
  font-size: 18px;
  line-height: 26px;
}

.icon-button,
.avatar-button,
.primary-action,
.secondary-action,
.filter-chip,
.nav-item,
.fab,
.row-action {
  border: 0;
  border-radius: 4px;
}

.icon-button,
.avatar-button {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--on-surface);
  background: transparent;
}

.avatar-button {
  color: var(--on-primary);
  background: var(--primary-container);
  font-size: 12px;
  font-weight: 800;
  border-radius: 999px;
}

.user-actions,
.desktop-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

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

.screen-heading.compact {
  justify-content: flex-start;
  align-items: center;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  font-weight: 700;
}

.primary-action {
  color: var(--on-primary);
  background: var(--primary-container);
}

.secondary-action {
  color: var(--on-surface);
  background: var(--surface-lowest);
  border: 1px solid var(--outline-variant);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.metric-card,
.control-panel,
.protocol-card,
.form-card,
.details-card,
.empty-state {
  background: var(--surface-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 82px;
  padding: 14px;
}

.metric-card > .material-symbols-outlined {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  color: var(--primary-container);
  background: var(--surface-container);
  border-radius: 6px;
}

.metric-card.success > .material-symbols-outlined {
  color: var(--secondary);
  background: var(--secondary-container);
}

.metric-card.warning > .material-symbols-outlined {
  color: var(--warning);
  background: var(--warning-container);
}

.metric-card strong {
  display: block;
  margin-top: 2px;
  font-size: 26px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 30px;
}

.control-panel {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
  padding: 12px;
}

.search-field {
  position: relative;
  display: block;
}

.search-field .material-symbols-outlined {
  position: absolute;
  left: 12px;
  top: 50%;
  color: var(--on-surface-variant);
  transform: translateY(-50%);
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  color: var(--on-surface);
  background: var(--surface-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: 4px;
  outline: none;
  padding: 10px 12px;
}

.search-field input {
  padding-left: 44px;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary-container);
  box-shadow: 0 0 0 2px rgba(19, 27, 46, 0.14);
}

.filter-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.filter-chip {
  min-height: 36px;
  flex: 0 0 auto;
  padding: 0 12px;
  color: var(--on-surface-variant);
  background: var(--surface-low);
  font-weight: 700;
}

.filter-chip.active {
  color: var(--on-primary);
  background: var(--primary-container);
}

.protocol-list {
  display: grid;
  gap: 10px;
}

.protocol-card {
  padding: 14px;
}

.protocol-card-header,
.protocol-card-footer,
.detail-line,
.timeline-item,
.attachment-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.protocol-title {
  min-width: 0;
}

.protocol-title strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
  line-height: 22px;
}

.protocol-title span,
.detail-line span,
.timeline-item time {
  color: var(--on-surface-variant);
  font-size: 12px;
  line-height: 16px;
}

.protocol-meta {
  display: grid;
  gap: 8px;
  margin: 12px 0;
}

.protocol-meta p {
  color: var(--on-surface-variant);
  line-height: 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.status-aberto {
  color: var(--secondary);
  background: #d9fbe9;
}

.status-pendente {
  color: var(--warning);
  background: var(--warning-container);
}

.status-resolvido {
  color: #213145;
  background: var(--surface-highest);
}

.sla-late {
  color: var(--error);
  font-weight: 800;
}

.protocol-card-footer {
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--outline-variant);
}

.row-actions {
  display: flex;
  gap: 6px;
}

.row-action {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--on-surface);
  background: var(--surface-low);
}

.row-action.danger {
  color: var(--error);
}

.form-card,
.details-card {
  display: grid;
  gap: 14px;
  padding: 16px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--on-surface-variant);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 16px;
  text-transform: uppercase;
}

.field-grid {
  display: grid;
  gap: 12px;
}

.helper-text {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.expert-tip {
  display: flex;
  gap: 10px;
  padding: 12px;
  color: #005236;
  background: #d9fbe9;
  border: 1px solid #4edea3;
  border-radius: 8px;
}

.expert-tip p {
  line-height: 20px;
}

.form-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.details-hero {
  display: grid;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--outline-variant);
}

.details-hero h3 {
  font-size: 24px;
  line-height: 32px;
}

.details-grid {
  display: grid;
  gap: 8px;
}

.detail-line {
  padding: 10px 0;
  border-bottom: 1px solid var(--outline-variant);
}

.detail-line:last-child {
  border-bottom: 0;
}

.section-title {
  margin-top: 4px;
  font-size: 14px;
  font-weight: 800;
  line-height: 20px;
}

.timeline {
  display: grid;
  gap: 10px;
}

.timeline-item {
  position: relative;
  justify-content: flex-start;
  padding: 12px;
  background: var(--surface-low);
  border-radius: 8px;
}

.timeline-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  color: var(--primary-container);
  background: var(--surface-high);
  border-radius: 999px;
}

.attachment-list {
  display: grid;
  gap: 8px;
}

.attachment-item {
  align-items: center;
  padding: 10px;
  background: var(--surface-low);
  border-radius: 8px;
}

.empty-state {
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 240px;
  padding: 24px;
  text-align: center;
}

.empty-state > .material-symbols-outlined {
  color: var(--outline);
  font-size: 44px;
}

.fab {
  position: fixed;
  right: 18px;
  bottom: 82px;
  z-index: 15;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  color: var(--on-primary);
  background: var(--primary-container);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
}

.fab .material-symbols-outlined {
  font-size: 28px;
}

.bottom-nav {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 68px;
  background: var(--surface-lowest);
  border-top: 1px solid var(--outline-variant);
  box-shadow: 0 -8px 18px rgba(15, 23, 42, 0.06);
}

.nav-item {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 3px;
  color: var(--on-surface-variant);
  background: transparent;
  font-size: 12px;
  font-weight: 700;
}

.nav-item.active {
  color: var(--secondary);
}

.hidden,
.desktop-only {
  display: none !important;
}

@media (min-width: 760px) {
  .app-shell {
    padding: 0 40px 40px;
  }

  .top-app-bar {
    grid-template-columns: 1fr auto;
    margin: 0 -40px 24px;
    padding: 12px 40px;
  }

  .menu-button {
    display: none;
  }

  .brand {
    grid-column: 1;
  }

  h1 {
    font-size: 18px;
    line-height: 24px;
  }

  h2 {
    font-size: 32px;
    line-height: 40px;
  }

  .desktop-only {
    display: inline-flex !important;
  }

  .desktop-actions.desktop-only {
    display: flex !important;
  }

  .metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .control-panel {
    grid-template-columns: minmax(280px, 1fr) auto;
    align-items: center;
    gap: 16px;
    padding: 14px;
  }

  .protocol-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

  .form-card,
  .details-card {
    max-width: 880px;
  }

  .details-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }

  .fab,
  .bottom-nav {
    display: none;
  }
}

@media (min-width: 1180px) {
  .protocol-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}