:root {
  color-scheme: light dark;
  --bg: #eef4ff;
  --bg-soft: #d9e7ff;
  --surface: #ffffff;
  --surface-soft: #edf4ff;
  --surface-strong: #d9e8fc;
  --text: #0b1f3b;
  --muted: #4f688f;
  --brand: #06ab8d;
  --brand-2: #1b84ea;
  --brand-3: #ff8a3d;
  --danger: #d44a5b;
  --glow: rgba(27, 132, 234, 0.28);
  --shadow: 0 20px 56px rgba(20, 49, 97, 0.14);
  --shadow-strong: 0 32px 78px rgba(9, 28, 62, 0.22);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #041024;
  --bg-soft: #0c1f3b;
  --surface: #102744;
  --surface-soft: #18365a;
  --surface-strong: #26517f;
  --text: #eaf3ff;
  --muted: #99b5db;
  --brand: #34e2b8;
  --brand-2: #39b7ff;
  --brand-3: #ffb347;
  --danger: #ef7a88;
  --glow: rgba(57, 183, 255, 0.25);
  --shadow: 0 24px 68px rgba(0, 0, 0, 0.38);
  --shadow-strong: 0 34px 96px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  position: relative;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: "Sora", "IBM Plex Sans", sans-serif;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0;
}

::selection {
  background: color-mix(in oklab, var(--brand-2), white 22%);
  color: #041024;
}

.background-atmosphere {
  position: fixed;
  inset: -18% -10%;
  z-index: -1;
  background:
    radial-gradient(circle at 10% 6%, color-mix(in oklab, var(--brand), transparent 72%), transparent 34%),
    radial-gradient(circle at 92% 6%, color-mix(in oklab, var(--brand-2), transparent 74%), transparent 36%),
    radial-gradient(circle at 48% 104%, color-mix(in oklab, var(--brand-3), transparent 82%), transparent 34%),
    linear-gradient(160deg, var(--bg), var(--bg-soft));
  filter: saturate(1.16) contrast(1.04);
  animation: ambient-shift 22s ease-in-out infinite;
}

.background-atmosphere::before,
.background-atmosphere::after {
  content: "";
  position: absolute;
  border-radius: 42% 58% 66% 34% / 38% 38% 62% 62%;
  mix-blend-mode: screen;
  pointer-events: none;
}

.background-atmosphere::before {
  width: 62vmax;
  height: 62vmax;
  left: -12vmax;
  top: 10vmax;
  background: radial-gradient(circle at 30% 30%, color-mix(in oklab, var(--brand), transparent 68%), transparent 65%);
  animation: blob-orbit-a 24s ease-in-out infinite;
}

.background-atmosphere::after {
  width: 58vmax;
  height: 58vmax;
  right: -10vmax;
  top: -2vmax;
  background: radial-gradient(circle at 55% 42%, color-mix(in oklab, var(--brand-2), transparent 72%), transparent 66%);
  animation: blob-orbit-b 30s ease-in-out infinite;
}

.auth-screen,
.app-shell {
  width: min(100%, 560px);
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  padding:
    calc(1.1rem + env(safe-area-inset-top))
    max(1rem, env(safe-area-inset-right))
    calc(5.8rem + env(safe-area-inset-bottom))
    max(1rem, env(safe-area-inset-left));
  position: relative;
}

.auth-screen {
  display: grid;
  align-items: center;
}

.auth-card {
  border-radius: 1.35rem;
  background:
    linear-gradient(158deg, color-mix(in oklab, var(--surface), white 26%), color-mix(in oklab, var(--surface-soft), white 4%)),
    radial-gradient(circle at 84% 4%, color-mix(in oklab, var(--brand-2), transparent 84%), transparent 42%);
  padding: 1.7rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.auth-card::after {
  content: "";
  position: absolute;
  inset: -90% 35% auto -35%;
  height: 220%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    color-mix(in oklab, white, transparent 88%) 46%,
    transparent 100%
  );
  transform: rotate(8deg);
  animation: sheen-move 8.8s ease-in-out infinite;
  pointer-events: none;
}

.kicker {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  font-weight: 700;
  text-transform: uppercase;
  color: transparent;
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  margin-bottom: 0.5rem;
}

#headlineText,
#currentWeight {
  background: linear-gradient(120deg, color-mix(in oklab, var(--text), white 8%), color-mix(in oklab, var(--brand-2), white 10%));
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
}

.subtitle {
  color: var(--muted);
  margin-top: 0.35rem;
}

.auth-form,
.form-grid {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.4rem;
}

label span {
  font-size: 0.85rem;
  color: var(--muted);
  display: block;
  margin-bottom: 0.35rem;
}

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

input,
textarea,
select {
  width: 100%;
  border-radius: 0.9rem;
  border: 0;
  background: color-mix(in oklab, var(--surface-soft), white 7%);
  color: var(--text);
  padding: 0.75rem 0.9rem;
  transition: box-shadow 0.28s ease, transform 0.28s ease, background-color 0.28s ease;
  box-shadow:
    inset 0 1px 0 color-mix(in oklab, white, transparent 35%),
    0 10px 22px color-mix(in oklab, var(--text), transparent 93%);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  transform: translateY(-1px) scale(1.003);
  box-shadow:
    0 0 0 3px color-mix(in oklab, var(--brand), transparent 70%),
    0 14px 30px color-mix(in oklab, var(--brand), transparent 78%);
}

button {
  cursor: pointer;
  border: 0;
}

.primary-btn,
.secondary-btn {
  border-radius: 0.95rem;
  padding: 0.88rem 1rem;
  font-weight: 650;
}

.primary-btn {
  color: white;
  background: linear-gradient(120deg, var(--brand), var(--brand-2), color-mix(in oklab, var(--brand-3), var(--brand-2) 40%));
  background-size: 220% 220%;
  box-shadow:
    0 14px 30px color-mix(in oklab, var(--brand), transparent 64%),
    0 0 0 1px color-mix(in oklab, white, transparent 88%) inset;
  transition: transform 0.24s ease, box-shadow 0.24s ease, filter 0.24s ease;
  animation: gradient-wave 6.8s ease-in-out infinite;
}

.primary-btn:hover {
  transform: translateY(-1px);
  filter: saturate(1.1);
  box-shadow:
    0 18px 34px color-mix(in oklab, var(--brand), transparent 58%),
    0 0 0 1px color-mix(in oklab, white, transparent 82%) inset;
}

.primary-btn:active {
  transform: translateY(0);
}

.secondary-btn {
  background: color-mix(in oklab, var(--surface-soft), white 8%);
  color: var(--text);
  box-shadow: 0 10px 22px color-mix(in oklab, var(--text), transparent 90%);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.secondary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px color-mix(in oklab, var(--brand-2), transparent 84%);
}

.text-btn {
  background: transparent;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  padding: 0.2rem;
}

.text-btn.danger {
  color: var(--danger);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.72rem;
}

.brand-copy {
  display: grid;
  gap: 0.02rem;
}

.brand-lockup .kicker {
  margin-bottom: 0.22rem;
}

.brand-mark {
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 0.72rem;
  padding: 0.08rem;
  background: linear-gradient(
    145deg,
    color-mix(in oklab, var(--brand), transparent 84%),
    color-mix(in oklab, var(--brand-2), transparent 88%)
  );
  box-shadow: 0 10px 24px color-mix(in oklab, var(--text), transparent 88%);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 0.62rem;
}

.icon-btn {
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 50%;
  color: var(--text);
  background: linear-gradient(160deg, color-mix(in oklab, var(--surface-soft), white 12%), var(--surface-soft));
  box-shadow:
    0 10px 24px color-mix(in oklab, var(--text), transparent 88%),
    0 0 0 1px color-mix(in oklab, white, transparent 88%) inset;
  padding: 0.55rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.icon-btn:hover {
  transform: translateY(-1px);
  box-shadow:
    0 14px 30px color-mix(in oklab, var(--brand-2), transparent 82%),
    0 0 0 1px color-mix(in oklab, white, transparent 84%) inset;
}

.settings-panel {
  position: absolute;
  right: 1rem;
  top: 4.5rem;
  width: min(92vw, 320px);
  border-radius: 1.05rem;
  background:
    linear-gradient(165deg, color-mix(in oklab, var(--surface), white 14%), var(--surface-soft)),
    radial-gradient(circle at 90% 4%, color-mix(in oklab, var(--brand), transparent 88%), transparent 32%);
  box-shadow: var(--shadow-strong);
  padding: 1rem;
  z-index: 30;
  display: grid;
  gap: 0.75rem;
  transform-origin: top right;
  animation: panel-pop 260ms cubic-bezier(0.21, 0.9, 0.29, 1);
}

.panel-title,
.card-title {
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
}

.card-title {
  margin: 0;
}

.card-title-icon {
  width: 1rem;
  height: 1rem;
  color: color-mix(in oklab, var(--brand-2), var(--brand) 36%);
  flex: none;
}

.btn-icon {
  width: 1rem;
  height: 1rem;
  flex: none;
}

.btn-icon-inline {
  width: 0.95rem;
  height: 0.95rem;
}

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

.settings-subhead {
  margin-top: 0.1rem;
  font-size: 0.71rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.settings-actions-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

#installButton {
  background: linear-gradient(
    130deg,
    color-mix(in oklab, var(--brand), transparent 82%),
    color-mix(in oklab, var(--brand-2), transparent 86%)
  );
  color: color-mix(in oklab, var(--text), white 4%);
}

#installButton:hover {
  box-shadow: 0 16px 30px color-mix(in oklab, var(--brand), transparent 80%);
}

.text-btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
}

.content {
  position: relative;
}

.view {
  display: none;
}

.view.active {
  display: block;
  animation: fade-up 360ms cubic-bezier(0.19, 0.85, 0.24, 1);
}

.view.view-enter {
  animation: view-enter 420ms cubic-bezier(0.22, 0.86, 0.27, 1) both;
}

.glass-card {
  background:
    linear-gradient(160deg, color-mix(in oklab, var(--surface), white 18%), color-mix(in oklab, var(--surface-soft), white 4%)),
    radial-gradient(circle at 92% 2%, color-mix(in oklab, var(--brand-2), transparent 86%), transparent 35%);
  border-radius: 1.25rem;
  padding: 1.05rem;
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    112deg,
    transparent 12%,
    color-mix(in oklab, white, transparent 90%) 48%,
    transparent 84%
  );
  opacity: 0;
  transition: opacity 0.36s ease;
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
}

.glass-card:hover::after {
  opacity: 1;
}

.hero {
  padding: 1.2rem;
}

.label,
.muted {
  color: var(--muted);
}

.value-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.value-row h3 {
  font-size: clamp(2.4rem, 6vw, 3.3rem);
}

.value-row span {
  font-size: 1.2rem;
  color: var(--muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  margin-top: 0.7rem;
  font-size: 0.78rem;
  border-radius: 999px;
  padding: 0.34rem 0.66rem;
  background: linear-gradient(
    120deg,
    color-mix(in oklab, var(--brand), transparent 78%),
    color-mix(in oklab, var(--brand-2), transparent 80%)
  );
  color: color-mix(in oklab, var(--brand), #fff 5%);
  box-shadow: 0 8px 16px color-mix(in oklab, var(--brand), transparent 86%);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.7rem;
}

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

.chart {
  width: 100%;
  height: 130px;
}

.trend-grid-line {
  stroke: color-mix(in oklab, var(--muted), transparent 76%);
  stroke-width: 1;
}

.history-chart {
  margin-top: 0.55rem;
  height: 146px;
}

#trendArea {
  fill: url(#trendAreaGradient);
  opacity: 0.82;
}

#trendLine {
  stroke: url(#trendStroke);
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 8px 14px color-mix(in oklab, var(--brand), transparent 70%));
}

#trendLineAvg {
  stroke: color-mix(in oklab, var(--brand-3), var(--brand-2) 52%);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 4.8 4.4;
  opacity: 0.72;
}

#trendFocusDot {
  fill: color-mix(in oklab, white, var(--brand-2) 25%);
  stroke: color-mix(in oklab, var(--brand-2), white 18%);
  stroke-width: 2.6;
  filter: drop-shadow(0 0 12px color-mix(in oklab, var(--brand-2), transparent 52%));
  animation: focus-pulse 2.6s ease-in-out infinite;
}

#trendChart.chart-intro {
  animation: chart-rise 920ms cubic-bezier(0.22, 0.9, 0.27, 1) both;
}

.chart-dot {
  fill: color-mix(in oklab, var(--brand), var(--brand-2) 30%);
  filter: drop-shadow(0 4px 10px color-mix(in oklab, var(--brand), transparent 66%));
  animation: dot-pop 360ms cubic-bezier(0.22, 0.86, 0.27, 1) both;
}

.home-graph-metrics {
  margin-top: 0.68rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.graph-metric-pill {
  border-radius: 0.82rem;
  padding: 0.5rem 0.55rem;
  background: linear-gradient(155deg, color-mix(in oklab, var(--surface-soft), white 14%), var(--surface-soft));
  box-shadow: 0 9px 18px color-mix(in oklab, var(--brand-2), transparent 90%);
  text-align: center;
}

.graph-metric-pill span {
  display: block;
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.graph-metric-pill strong {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.92rem;
  color: var(--text);
}

.forecast-card {
  padding-top: 0.95rem;
}

.forecast-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.forecast-block {
  border-radius: 0.95rem;
  padding: 0.72rem 0.7rem;
  background:
    linear-gradient(158deg, color-mix(in oklab, var(--surface-soft), white 10%), var(--surface-soft)),
    radial-gradient(circle at 90% 0%, color-mix(in oklab, var(--brand-2), transparent 88%), transparent 35%);
  box-shadow: 0 10px 20px color-mix(in oklab, var(--brand-2), transparent 88%);
}

.forecast-block p {
  color: var(--muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.forecast-block h4 {
  margin: 0.2rem 0 0.08rem;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  font-family: "Sora", "IBM Plex Sans", sans-serif;
}

.forecast-block small {
  color: var(--muted);
  font-size: 0.72rem;
}

.forecast-confidence {
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.69rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: color-mix(in oklab, var(--surface-soft), white 12%);
}

.forecast-confidence.high {
  color: color-mix(in oklab, var(--brand), white 6%);
  background: color-mix(in oklab, var(--brand), transparent 82%);
}

.forecast-confidence.medium {
  color: color-mix(in oklab, var(--brand-3), white 8%);
  background: color-mix(in oklab, var(--brand-3), transparent 82%);
}

.forecast-confidence.low {
  color: color-mix(in oklab, var(--danger), white 8%);
  background: color-mix(in oklab, var(--danger), transparent 82%);
}

.weight-surface {
  --sentiment-color: var(--brand-2);
  background:
    linear-gradient(150deg, color-mix(in oklab, var(--surface), white 18%), var(--surface-soft)),
    radial-gradient(circle at 85% 0%, color-mix(in oklab, var(--sentiment-color), transparent 86%), transparent 40%);
  border-radius: 1rem;
  padding: 0.95rem 0.9rem 0.88rem;
  box-shadow:
    0 16px 38px color-mix(in oklab, var(--text), transparent 88%),
    0 0 0 1px color-mix(in oklab, white, transparent 90%) inset;
  transform: translateZ(0);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.weight-surface.is-scrubbing {
  transform: translateY(-2px) scale(1.004);
  box-shadow:
    0 18px 36px color-mix(in oklab, var(--sentiment-color), transparent 80%),
    0 0 0 1px color-mix(in oklab, var(--sentiment-color), transparent 82%) inset;
}

.weight-surface.is-better {
  --sentiment-color: var(--brand);
}

.weight-surface.is-worse {
  --sentiment-color: color-mix(in oklab, var(--danger), var(--brand-3) 40%);
}

.weight-surface.is-neutral {
  --sentiment-color: var(--brand-2);
}

.weight-surface.is-live {
  filter: saturate(1.06);
}

.weight-value-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.62rem;
}

.weight-value-input {
  width: 5.9ch;
  padding: 0;
  border-radius: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  font-family: "Sora", "IBM Plex Sans", sans-serif;
  font-size: clamp(1.8rem, 5vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.weight-value-input:focus {
  transform: none;
  box-shadow: none;
}

.weight-value-input::-webkit-outer-spin-button,
.weight-value-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.weight-unit {
  color: var(--muted);
  font-weight: 600;
}

.weight-track {
  --progress: 0%;
  position: relative;
  height: 2.7rem;
  border-radius: 999px;
  overflow: hidden;
  background: color-mix(in oklab, var(--surface-strong), var(--surface-soft) 35%);
}

.weight-track::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, color-mix(in oklab, var(--text), transparent 92%) 1px, transparent 1px) 0 0 / 22px 100%;
  opacity: 0.25;
}

.weight-track::after {
  content: "";
  position: absolute;
  inset: 0;
  width: var(--progress);
  background: linear-gradient(
    90deg,
    color-mix(in oklab, var(--sentiment-color), transparent 56%),
    color-mix(in oklab, var(--brand-2), transparent 52%)
  );
  opacity: 0.58;
  transition: width 0.2s cubic-bezier(0.21, 0.78, 0.31, 1);
}

.weight-track-handle {
  position: absolute;
  top: 50%;
  left: var(--progress);
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: color-mix(in oklab, white, var(--surface) 12%);
  transform: translate(-50%, -50%);
  box-shadow:
    0 4px 12px color-mix(in oklab, var(--text), transparent 82%),
    0 0 0 4px color-mix(in oklab, var(--sentiment-color), transparent 74%);
  transition: left 0.2s cubic-bezier(0.21, 0.78, 0.31, 1);
  z-index: 2;
}

.weight-slider-hit {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 3;
}

.weight-touch-hint {
  margin-top: 0.55rem;
  font-size: 0.77rem;
  color: var(--muted);
}

.weight-sentiment {
  margin-top: 0.44rem;
  min-height: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  color: color-mix(in oklab, var(--sentiment-color), var(--muted) 56%);
  transition: color 0.2s ease;
}

.history-filter-grid {
  display: grid;
  gap: 0.7rem;
}

.history-inline-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

#historyArea {
  fill: url(#historyAreaGradient);
}

#historyLine {
  stroke: url(#historyStroke);
  stroke-linecap: round;
  stroke-linejoin: round;
}

.history-dot {
  fill: color-mix(in oklab, var(--brand-2), var(--brand) 28%);
  filter: drop-shadow(0 3px 9px color-mix(in oklab, var(--brand-2), transparent 68%));
  animation: dot-pop 360ms cubic-bezier(0.22, 0.86, 0.27, 1) both;
}

.history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.history-item {
  background: linear-gradient(154deg, color-mix(in oklab, var(--surface-soft), white 12%), var(--surface-soft));
  border-radius: 0.95rem;
  padding: 0.8rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 0.65rem;
  align-items: center;
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.history-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 24px color-mix(in oklab, var(--brand-2), transparent 86%);
}

.history-weight {
  font-family: "Sora", "IBM Plex Sans", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.history-date {
  color: var(--muted);
  font-size: 0.82rem;
}

#historyGraphMeta {
  margin-top: 0.45rem;
  font-size: 0.82rem;
}

.delete-entry {
  width: 2rem;
  height: 2rem;
  padding: 0;
  display: inline-grid;
  place-items: center;
  border-radius: 0.7rem;
  background: color-mix(in oklab, var(--danger), transparent 84%);
  color: var(--danger);
  font-size: 0.76rem;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.delete-entry svg {
  width: 0.95rem;
  height: 0.95rem;
  pointer-events: none;
}

.delete-entry:hover {
  transform: translateY(-1px);
  background: color-mix(in oklab, var(--danger), transparent 78%);
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  width: min(100%, 560px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  padding:
    0.78rem
    max(0.9rem, env(safe-area-inset-right))
    calc(0.92rem + env(safe-area-inset-bottom))
    max(0.9rem, env(safe-area-inset-left));
  background:
    linear-gradient(to top, color-mix(in oklab, var(--bg), transparent 5%) 36%, transparent),
    radial-gradient(circle at 50% 100%, color-mix(in oklab, var(--brand), transparent 88%), transparent 50%);
  backdrop-filter: blur(10px);
  z-index: 25;
}

.nav-btn {
  display: grid;
  place-items: center;
  height: 3.2rem;
  border-radius: 1rem;
  background: linear-gradient(155deg, color-mix(in oklab, var(--surface-soft), white 10%), var(--surface-soft));
  color: var(--muted);
  transition: transform 0.22s ease, box-shadow 0.22s ease, color 0.22s ease, background-color 0.22s ease;
  box-shadow: 0 8px 20px color-mix(in oklab, var(--text), transparent 92%);
  position: relative;
  overflow: hidden;
}

.nav-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, color-mix(in oklab, var(--brand-2), transparent 83%), transparent 72%),
    linear-gradient(
      160deg,
      color-mix(in oklab, var(--brand), transparent 90%),
      color-mix(in oklab, var(--brand-2), transparent 90%)
    );
  opacity: 0;
  transition: opacity 0.26s ease;
  pointer-events: none;
}

.nav-btn::after {
  content: "";
  position: absolute;
  inset: -120% 32% auto -28%;
  height: 220%;
  background: linear-gradient(
    110deg,
    transparent 0%,
    color-mix(in oklab, white, transparent 84%) 48%,
    transparent 100%
  );
  transform: rotate(12deg);
  opacity: 0;
  pointer-events: none;
}

.nav-btn.active {
  color: var(--text);
  transform: translateY(-2px) scale(1.02);
  background: var(--surface);
  box-shadow: 0 14px 24px color-mix(in oklab, var(--text), transparent 88%);
}

.nav-btn.active::before {
  opacity: 0.95;
}

.nav-btn.active::after {
  opacity: 0.9;
  animation: sheen-move 3.6s ease-in-out infinite;
}

.nav-btn.add {
  background: linear-gradient(160deg, var(--brand), var(--brand-2));
  color: white;
  box-shadow: 0 14px 28px color-mix(in oklab, var(--brand), transparent 70%);
  animation: gradient-wave 7.4s ease-in-out infinite;
}

.nav-btn.add.active {
  background: linear-gradient(160deg, var(--brand), var(--brand-2));
}

.nav-icon {
  width: 1.35rem;
  height: 1.35rem;
  transition: transform 0.2s ease;
}

.nav-btn:hover .nav-icon {
  transform: translateY(-1px) scale(1.05);
}

.error-text {
  color: var(--danger);
  min-height: 1.15rem;
  font-size: 0.85rem;
}

.toast {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(5.2rem + env(safe-area-inset-bottom));
  background: linear-gradient(160deg, color-mix(in oklab, var(--surface-strong), white 8%), var(--surface-strong));
  color: var(--text);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  box-shadow: var(--shadow-strong);
  z-index: 40;
  animation: toast-pop 280ms cubic-bezier(0.2, 0.9, 0.31, 1);
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.reveal {
  animation: reveal 640ms cubic-bezier(0.19, 0.86, 0.24, 1) both;
  animation-delay: var(--reveal-delay, 0ms);
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.992);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ambient-shift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  28% {
    transform: translate3d(-1.1%, -0.8%, 0) scale(1.028);
  }
  52% {
    transform: translate3d(-1.5%, -1%, 0) scale(1.04);
  }
  76% {
    transform: translate3d(-0.7%, -0.45%, 0) scale(1.022);
  }
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes blob-orbit-a {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  24% {
    transform: translate3d(4.2%, -3.6%, 0) rotate(90deg);
  }
  50% {
    transform: translate3d(7.6%, -1.2%, 0) rotate(180deg);
  }
  74% {
    transform: translate3d(3.8%, 3.8%, 0) rotate(270deg);
  }
  100% {
    transform: translate3d(0, 0, 0) rotate(360deg);
  }
}

@keyframes blob-orbit-b {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  24% {
    transform: translate3d(-3.6%, 3.8%, 0) rotate(-90deg);
  }
  50% {
    transform: translate3d(-7.4%, 1.4%, 0) rotate(-180deg);
  }
  74% {
    transform: translate3d(-3.4%, -4.2%, 0) rotate(-270deg);
  }
  100% {
    transform: translate3d(0, 0, 0) rotate(-360deg);
  }
}

@keyframes gradient-wave {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes sheen-move {
  0% {
    opacity: 0;
    transform: translateX(-20%) rotate(8deg);
  }
  18% {
    opacity: 0.95;
  }
  42% {
    opacity: 0;
    transform: translateX(110%) rotate(8deg);
  }
  100% {
    opacity: 0;
    transform: translateX(110%) rotate(8deg);
  }
}

@keyframes focus-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.18);
    opacity: 0.82;
  }
}

@keyframes chart-rise {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.99);
    filter: blur(1px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes view-enter {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.986);
    filter: blur(2px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes dot-pop {
  from {
    opacity: 0;
    transform: scale(0.72);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes toast-pop {
  from {
    opacity: 0;
    transform: translate(-50%, 10px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}

@keyframes panel-pop {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 430px) {
  .settings-actions-row {
    grid-template-columns: 1fr;
  }

  .home-graph-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.4rem;
  }

  .history-inline-controls {
    grid-template-columns: 1fr;
  }

  .forecast-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 700px) {
  .auth-screen,
  .app-shell {
    padding-left: max(0px, env(safe-area-inset-left));
    padding-right: max(0px, env(safe-area-inset-right));
  }
}