:root {
  --nwc-accent: #0f766e;
  --nwc-accent-rgb: 15, 118, 110;
  --nwc-page-top: #f7fbff;
  --nwc-page-bottom: #eef3f7;
  --nwc-surface: #ffffff;
  --nwc-border: #dce5ee;
  --nwc-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
  --nwc-font: "Avenir Next", "IBM Plex Sans", "Segoe UI", "Noto Sans", "Liberation Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  color: #0f172a;
  font-family: var(--nwc-font);
  background:
    radial-gradient(circle at 5% 5%, rgba(56, 189, 248, 0.12), transparent 40%),
    radial-gradient(circle at 95% 10%, rgba(15, 118, 110, 0.08), transparent 44%),
    linear-gradient(180deg, var(--nwc-page-top), var(--nwc-page-bottom));
}

body,
.form-control,
.btn,
.table,
.form-text,
.form-label,
.navbar-brand {
  font-family: var(--nwc-font);
}

.navbar {
  background: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: blur(8px);
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.navbar-brand-logo {
  width: 40px;
  height: 40px;
  display: block;
  object-fit: contain;
  border-radius: 0.625rem;
}

.container {
  max-width: 980px;
}

.card {
  border: 1px solid var(--nwc-border);
  border-radius: 1rem;
  background: var(--nwc-surface);
  box-shadow: var(--nwc-shadow);
  animation: fade-in-up 260ms ease-out;
}

.btn-primary {
  --bs-btn-bg: var(--nwc-accent);
  --bs-btn-border-color: var(--nwc-accent);
  --bs-btn-hover-bg: #0d665f;
  --bs-btn-hover-border-color: #0d665f;
  --bs-btn-active-bg: #0b5a54;
  --bs-btn-active-border-color: #0b5a54;
  --bs-btn-focus-shadow-rgb: var(--nwc-accent-rgb);
}

.btn-outline-primary {
  --bs-btn-color: var(--nwc-accent);
  --bs-btn-border-color: rgba(var(--nwc-accent-rgb), 0.5);
  --bs-btn-hover-bg: var(--nwc-accent);
  --bs-btn-hover-border-color: var(--nwc-accent);
  --bs-btn-active-bg: #0d665f;
  --bs-btn-active-border-color: #0d665f;
  --bs-btn-focus-shadow-rgb: var(--nwc-accent-rgb);
}

.mode-btn {
  min-height: 2.9rem;
}

.mode-btn.mode-btn--active {
  color: #fff;
  background-color: var(--nwc-accent);
  border-color: var(--nwc-accent);
}

fieldset {
  margin: 0;
  border: 0;
  min-width: 0;
  padding: 0;
}

#assets-container .asset-group-title {
  margin: 1.2rem 0 0.7rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #556272;
}

#assets-container .asset-group-title:first-child {
  margin-top: 0.25rem;
}

#assets-container fieldset {
  background: #f8fafc;
  border: 1px solid var(--nwc-border);
  border-radius: 0.85rem;
  padding: 0.9rem;
  margin-bottom: 0.75rem;
}

.snapshot-row {
  border: 0;
  border-bottom: 1px solid #e9eef4;
  padding: 0.8rem 0;
}

.snapshot-row:last-child {
  border-bottom: 0;
}

.snapshot-row__title {
  font-weight: 600;
  margin-bottom: 0.1rem;
}

.snapshot-row__meta {
  color: #5f6e7f;
}

.trend-chart {
  padding: 0.6rem;
}

.trend-svg {
  display: block;
  width: 100%;
  height: auto;
}

.trend-grid-line {
  stroke: #d9e2ec;
  stroke-width: 1;
}

.trend-axis-label {
  fill: #62748a;
  font-size: 11px;
}

.trend-line {
  fill: none;
  stroke: var(--nwc-accent);
  stroke-width: 2.75;
}

.trend-point {
  fill: var(--nwc-accent);
}

.trend-table-wrap table {
  min-width: 640px;
}

#results-content p {
  margin-bottom: 0.45rem;
}

.auth-page {
  display: grid;
  place-items: center;
  padding: 1rem;
}

.auth-card {
  width: 100%;
  max-width: 420px;
}

.invalid-feedback[hidden] {
  display: none !important;
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}