* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --app-max-width: 1120px;
  --app-header-offset: 3.25rem;
  --bg-main: #151616;
  --bg-card: #1e2020;
  --bg-inactive: #121414;
  --bg-off: #242727;
  --bg-active: #353f23;
  --text-heading: #ffffff;
  --text-body: #a4a6a7;
  --text-secondary: #939596;
  --text-button: #e4dad1;
  --text-disabled: #6a6b6c;
  --color-primary: #5d7239;
  --color-primary-hover: #6b8342;
  --color-info: #1f6ba0;
  --color-warning: #ffdd57;
  --color-error: #f14668;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-main: #f0f0f0;
    --bg-card: #ffffff;
    --bg-inactive: #e8e8e8;
    --bg-off: #e0e0e0;
    --bg-active: #e8f5e9;
    --text-heading: #1a1a1a;
    --text-body: #333333;
    --text-secondary: #666666;
    --text-button: #1a1a1a;
    --text-disabled: #999999;
    --color-primary: #5d7239;
    --color-primary-hover: #6b8342;
    --color-info: #1f6ba0;
    --color-warning: #ffc107;
    --color-error: #d32f2f;
  }
}

html,
body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior-y: none;
}

#app {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-body);
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--text-heading);
}

h1 {
  font-size: clamp(2rem, 10vw, 5rem);
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  padding: 8px;
  z-index: 100;
  transition: top 0.3s;
  background: var(--color-primary);
  color: var(--text-button);
}

.skip-link:focus {
  top: 0;
}

.mobile-only {
  display: none;
}

.app-header {
  position: sticky;
  top: 0;
  width: min(var(--app-max-width), 100%);
  margin: 0 auto;
  padding: 1rem 1.25rem 0.75rem;
  background: var(--bg-main);
  z-index: 960;
}

.app-header__title {
  font-size: 1.2rem;
  line-height: 1.25;
  margin: 0;
}

.page-layout {
  position: absolute;
  inset: 0;
  width: min(var(--app-max-width), 100%);
  height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.page-scroll {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
  scrollbar-width: none;
  padding: 0.75rem 1rem 1.25rem;
}

.page-scroll::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.page-home__content {
  flex: 1;
  min-height: 45vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.bottom-nav {
  position: relative;
  width: min(var(--app-max-width), 100%);
  margin: 0 auto;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 2.8rem;
  gap: 0.8rem;
  justify-content: center;
  justify-items: center;
  padding: 0.5rem 1rem calc(0.5rem + env(safe-area-inset-bottom));
  background: var(--bg-main);
  z-index: 980;
}

.bottom-nav__item {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  margin: 0 auto;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--text-body);
  cursor: pointer;
  outline: none;
}

.bottom-nav__item.is-active {
  background: var(--color-primary);
  color: var(--text-button);
  border-radius: 999px;
}

.bottom-nav__item .material-icons {
  font-size: 1.55rem;
}

.bottom-nav__item:focus-visible,
.bottom-nav__item:hover {
  color: var(--text-heading);
}

.auth-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.auth-status__text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.status-pill {
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-pill--good {
  background: rgba(93, 114, 57, 0.3);
  color: var(--text-heading);
}

.status-pill--muted {
  background: var(--bg-off);
  color: var(--text-secondary);
}

.status-pill--warn {
  background: rgba(255, 221, 87, 0.2);
  color: var(--color-warning);
}

.auth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.auth-meta {
  display: grid;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.auth-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.auth-row span:last-child {
  color: var(--text-heading);
  text-align: right;
  word-break: break-word;
}

.auth-form {
  display: grid;
  gap: 0.75rem;
}

.auth-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.auth-input {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid var(--bg-off);
  background: var(--bg-main);
  color: var(--text-heading);
  padding: 0.6rem 0.8rem;
  font-size: 0.9rem;
}

.auth-input:focus {
  outline: 2px solid rgba(93, 114, 57, 0.4);
  border-color: var(--color-primary);
}

.auth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.auth-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.auth-error {
  font-size: 0.85rem;
  color: var(--color-error);
}

.filters-grid {
  display: grid;
  gap: 0.75rem;
}

.logs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logs-count {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.logs-list {
  display: grid;
  gap: 0.75rem;
}

.log-item {
  border-radius: 0.9rem;
  border: 1px solid var(--bg-off);
  padding: 0.9rem 1rem;
  background: var(--bg-main);
  display: grid;
  gap: 0.5rem;
}

.log-item__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.log-level {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
}

.log-level--info {
  color: var(--color-info);
}

.log-level--warning {
  color: var(--color-warning);
}

.log-level--error {
  color: var(--color-error);
}

.log-message {
  color: var(--text-heading);
  font-size: 0.95rem;
}

.log-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.logs-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-off);
  border-radius: 1rem;
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: center;
  text-align: center;
}

.metric-label {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.metric-value {
  font-size: clamp(2.6rem, 7vw, 3.6rem);
  color: var(--text-heading);
  font-weight: 700;
}

.dashboard-graph {
  width: 100%;
}

.graph-card {
  width: 100%;
  min-width: 0;
  background: var(--bg-card);
  border: 1px solid var(--bg-off);
  border-radius: 1rem;
  padding: 1rem 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.graph-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-heading);
  font-size: 0.95rem;
}

.graph-meta {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.graph-placeholder {
  height: 180px;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, rgba(18, 24, 24, 0.9), rgba(14, 20, 20, 0.9));
  position: relative;
  overflow: hidden;
}

.graph-placeholder canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.graph-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(180deg, rgba(79, 209, 197, 0.08), transparent 70%);
  opacity: 0.6;
}

.settings-footer {
  margin-top: auto;
  padding: 1.5rem 0 0;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-align: center;
}

.settings-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 0.5rem;
}

.settings-section h3 {
  font-size: 0.95rem;
  color: var(--text-heading);
}

.settings-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 3.5rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--bg-off);
  color: var(--text-body);
}

.settings-row span:last-child {
  color: var(--text-heading);
}

.settings-row__value {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.settings-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.settings-log {
  width: 100%;
  min-height: 8rem;
  resize: vertical;
  border-radius: 0.75rem;
  border: 1px solid var(--bg-off);
  background: var(--bg-card);
  color: var(--text-body);
  padding: 0.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  font-size: 0.75rem;
  line-height: 1.4;
}

.settings-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.settings-button {
  align-self: flex-start;
  border: none;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--text-button);
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  font-weight: 600;
  outline: none;
}

.settings-button:hover {
  background: var(--color-primary-hover);
}

.settings-button--ghost {
  background: transparent;
  color: var(--text-heading);
  border: 1px solid var(--bg-off);
}

.settings-button--ghost:hover {
  background: var(--bg-card);
}

.settings-button--inline {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  align-self: center;
}

.settings-button--danger {
  background: var(--color-error);
  color: var(--text-heading);
}

.settings-button--danger:hover {
  filter: brightness(0.95);
}

.settings-icon-button {
  border: none;
  background: var(--bg-card);
  color: var(--text-heading);
  border-radius: 999px;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  outline: none;
}

.settings-icon-button .material-icons {
  font-size: 1.2rem;
}

.settings-icon-button.is-loading .material-icons {
  animation: spin 1s linear infinite;
}

.settings-icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

button {
  -webkit-tap-highlight-color: transparent;
  -webkit-appearance: none;
  appearance: none;
}

button:focus {
  outline: none;
}

.sw-update {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  color: var(--text-heading);
  border: 1px solid var(--bg-off);
  border-radius: 0.75rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  z-index: 1000;
}

.sw-update[hidden] {
  display: none;
}

.sw-update__button {
  border: none;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--text-button);
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-weight: 600;
}

.sw-update__button:hover {
  background: var(--color-primary-hover);
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 768px) {
  .mobile-only {
    display: block;
  }

  .bottom-nav.mobile-only {
    display: grid;
  }

  .page-scroll {
    padding-bottom: calc(1.25rem + env(safe-area-inset-bottom));
  }
}

@media (min-width: 769px) {
  .page-scroll {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: start;
    gap: 1rem;
    padding-bottom: 2.75rem;
  }

  .page-scroll > * {
    min-width: 0;
  }

  .page-scroll > .app-card {
    grid-column: 1 / -1;
  }

  .page-home .page-scroll,
  .page-login .page-scroll {
    grid-template-columns: minmax(0, 1fr);
    max-width: 760px;
    width: 100%;
    margin: 0 auto;
  }

  .page-insights .dashboard-graph {
    grid-column: 1 / -1;
  }

  .page-settings .page-scroll > :last-child {
    grid-column: 1 / -1;
  }

}

@media (max-width: 480px) {
  .sw-update {
    flex-direction: column;
    align-items: flex-start;
  }
}