:root {
  --bg0: #07080d;
  --bg1: #0e1018;
  --bg2: #141824;
  --border: rgba(120, 200, 255, 0.12);
  --text: #e8edf7;
  --muted: #8b95a8;
  --accent: #5ee1d9;
  --accent-dim: rgba(94, 225, 217, 0.15);
  --gold: #f0c14d;
  --gold-dim: rgba(240, 193, 77, 0.12);
  --danger: #ff6b8a;
  --font-display: "Bebas Neue", system-ui, sans-serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 12px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  background: radial-gradient(1200px 800px at 10% -10%, rgba(94, 225, 217, 0.08), transparent),
    radial-gradient(900px 600px at 90% 20%, rgba(240, 193, 77, 0.06), transparent), var(--bg0);
  color: var(--text);
  line-height: 1.5;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 0;
}

.top {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.75rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg1), transparent);
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-mark {
  font-size: 2rem;
  color: var(--accent);
  text-shadow: 0 0 24px var(--accent-dim);
}

.top h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: 0.06em;
  font-weight: 400;
}

.tagline {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.header-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.stat-pill {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg2);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.stat-pill .label {
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-pill.rank {
  border-color: rgba(240, 193, 77, 0.35);
  background: var(--gold-dim);
}

.stat-pill.rank #rank-letter {
  color: var(--gold);
  font-weight: 700;
  font-size: 1.1rem;
}

.stat-pill.streak #streak {
  color: var(--accent);
}

.stat-pill.study-streak-pill #study-streak {
  color: #9dd5ff;
}

.stat-pill.steps-streak-pill #steps-streak {
  color: #a8e0a4;
}

.goals-banner {
  position: relative;
  z-index: 1;
  margin: 0 clamp(1rem, 4vw, 2.5rem);
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(20, 24, 36, 0.95), rgba(14, 16, 24, 0.9));
  box-shadow: var(--shadow);
}

.goals-banner h2 {
  margin: 0 0 0.6rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-weight: 600;
}

.goals-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.35rem;
}

.goals-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.goal-icon {
  color: var(--accent);
  font-size: 0.75rem;
}

.layout {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem clamp(1rem, 4vw, 2rem) 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.panel {
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(14, 16, 24, 0.85);
  backdrop-filter: blur(8px);
}

.panel-title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.panel-sub {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.field-hint {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.35;
}

input[type="date"],
input[type="email"],
input[type="number"],
select {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg0);
  color: var(--text);
}

input:focus,
select:focus {
  outline: none;
  border-color: rgba(94, 225, 217, 0.5);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.hint {
  margin: 0.6rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.learning-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (min-width: 560px) {
  .learning-row {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.check-card {
  flex: 1;
  min-width: 140px;
  cursor: pointer;
}

.check-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.check-card .card-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg0);
  transition: border-color 0.15s, background 0.15s;
}

.check-card input:checked + .card-body {
  border-color: rgba(94, 225, 217, 0.55);
  background: var(--accent-dim);
}

.card-title {
  font-weight: 600;
  font-size: 0.92rem;
}

.card-meta {
  font-size: 0.78rem;
  color: var(--muted);
}

.toggle-row {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-top: 1rem;
  cursor: pointer;
  font-size: 0.95rem;
}

.toggle-row input {
  margin-top: 0.25rem;
  accent-color: var(--accent);
}

.xp-tag {
  color: var(--gold);
  font-style: normal;
  font-size: 0.85rem;
}

.xp-tag.subtle-xp {
  color: var(--muted);
  opacity: 0.95;
}

.xp-penalty {
  color: var(--danger);
  font-style: normal;
  font-size: 0.85rem;
  font-weight: 600;
}

.xp-penalty.sharp {
  color: #ff8a9e;
}

.food-penalties {
  margin-top: 1rem;
}

.intensity-fieldset {
  margin-top: 1rem;
}

.intensity-grid {
  display: grid;
  gap: 0.5rem;
}

@media (min-width: 560px) {
  .intensity-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.intensity-card .card-title {
  font-size: 0.88rem;
}

.intensity-card .card-meta {
  font-size: 0.74rem;
  line-height: 1.35;
}

.muted-inline {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 400;
}

.discipline-fieldset {
  margin: 1rem 0 0;
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  border: 1px dashed var(--border);
  background: rgba(0, 0, 0, 0.15);
}

.fieldset-legend {
  padding: 0 0.35rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.toggle-row.tight {
  margin-top: 0.45rem;
}

.toggle-row.tight:first-of-type {
  margin-top: 0.35rem;
}

.grid-2 {
  display: grid;
  gap: 1rem;
}

@media (min-width: 480px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.metrics-row {
  margin-top: 1rem;
}

.summary-panel .summary-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

.summary-item .summary-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.summary-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--accent);
}

.bar-wrap {
  height: 10px;
  border-radius: 999px;
  background: var(--bg0);
  border: 1px solid var(--border);
  overflow: hidden;
  margin: 0.35rem 0;
}

.bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transition: width 0.35s ease;
}

.bar-text {
  font-size: 0.8rem;
  color: var(--muted);
  font-family: var(--font-mono);
}

.btn-primary {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  color: var(--bg0);
  background: linear-gradient(135deg, var(--accent), #3aa89f);
  box-shadow: 0 8px 28px rgba(94, 225, 217, 0.25);
  transition: transform 0.12s, box-shadow 0.12s;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(94, 225, 217, 0.35);
}

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

.btn-secondary {
  width: 100%;
  padding: 0.72rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 0.12s, background 0.12s;
}

.btn-secondary:hover {
  border-color: rgba(94, 225, 217, 0.45);
  background: var(--accent-dim);
}

.sync-login {
  display: grid;
  gap: 0.75rem;
}

.sync-login[hidden] {
  display: none;
}

.save-msg {
  min-height: 1.25rem;
  margin: 0.65rem 0 0;
  font-size: 0.88rem;
  color: var(--accent);
}

.log-list {
  margin: 0;
  padding: 0;
  list-style: none;
  max-height: 220px;
  overflow-y: auto;
  font-size: 0.88rem;
}

.log-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
}

.log-list li:last-child {
  border-bottom: none;
}

.log-date {
  color: var(--muted);
}

.log-xp {
  color: var(--gold);
}

.foot {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.date-panel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.chart-wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg0);
}

.chart-wrap svg {
  display: block;
  width: min(100%, 720px);
  height: auto;
  margin: 0 auto;
}

.tier-legend {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--muted);
}

.tier-legend li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tier-swatch {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 2px;
  flex-shrink: 0;
}

.tier-legend strong {
  color: var(--text);
  font-weight: 600;
}