:root {
  --bg: #0d1117;
  --bg-soft: #121826;
  --panel: rgba(18, 24, 38, 0.88);
  --panel-strong: #1a2234;
  --text: #f4f7fb;
  --muted: #a9b5c7;
  --line: rgba(255, 255, 255, 0.08);
  --green: #60d394;
  --green-deep: #1f8f5f;
  --red: #f46d6d;
  --amber: #f5c96b;
  --accent: #8cc2ff;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.34);
  --radius: 22px;
}

html[data-theme="light"] {
  --bg: #eef3f7;
  --bg-soft: #dfe8f1;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: #ffffff;
  --text: #102033;
  --muted: #607086;
  --line: rgba(16, 32, 51, 0.1);
  --shadow: 0 16px 40px rgba(16, 32, 51, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", Candara, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(140, 194, 255, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(96, 211, 148, 0.12), transparent 26%),
    linear-gradient(180deg, var(--bg), var(--bg-soft));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.6), transparent 70%);
  opacity: 0.35;
}

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }

.page-wrap {
  width: min(1180px, calc(100% - 24px));
  margin: 0 auto;
  padding: 20px 0 40px;
}

.topbar,
.main-nav,
.content .panel,
.content .hero-card,
.content .account-card {
  backdrop-filter: blur(14px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(13, 23, 36, 0.5), rgba(24, 40, 59, 0.92));
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.35);
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-copy strong,
.hero-card h1,
.panel h1,
.panel h2,
.account-card h3 {
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: -0.02em;
}

.brand-copy strong {
  display: block;
  font-size: 1.1rem;
}

.brand-copy small {
  color: var(--muted);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.user-chip,
.status-pill,
.tx-type {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 14px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.nav-link {
  padding: 0.65rem 0.95rem;
  border-radius: 999px;
  color: var(--muted);
  border: 1px solid transparent;
}

.nav-link.active,
.nav-link:hover {
  color: var(--text);
  background: rgba(140, 194, 255, 0.12);
  border-color: rgba(140, 194, 255, 0.16);
}

.logout-form { margin-left: auto; }

.content {
  display: grid;
  gap: 18px;
}

.stack { display: grid; gap: 18px; }

.summary-grid,
.layout-two,
.hero-grid {
  display: grid;
  gap: 18px;
}

.summary-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.layout-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-grid {
  grid-template-columns: 1.3fr 0.9fr;
  align-items: stretch;
}

.panel,
.hero-card,
.account-card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel,
.hero-card {
  padding: 22px;
}

.hero-card-large {
  min-height: 100%;
  display: grid;
  align-content: center;
  gap: 10px;
  padding: 28px;
  background:
    radial-gradient(circle at top right, rgba(140, 194, 255, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,0.02), transparent),
    var(--panel);
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
}

.hero-card h1,
.panel h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 0.98;
}

.panel h2 {
  margin: 0 0 10px;
  font-size: clamp(1.15rem, 3vw, 1.7rem);
}

.hero-card p,
.muted,
.equivalent {
  color: var(--muted);
}

.feature-list,
.check-list,
.plain-list {
  margin: 0;
  padding-left: 18px;
}

.feature-list li,
.check-list li,
.plain-list li {
  margin: 8px 0;
}

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

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

.span-two { grid-column: 1 / -1; }

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
}

input,
select {
  width: 100%;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.92rem 1rem;
  background: var(--panel-strong);
}

input::placeholder { color: rgba(169, 181, 199, 0.72); }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 10px;
}

.checkbox-row input {
  width: auto;
  accent-color: var(--green);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.8rem 1rem;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.button:hover { transform: translateY(-1px); }
.button-primary {
  color: #05110b;
  background: linear-gradient(135deg, #60d394, #f5c96b);
}
.button-danger {
  color: #fff;
  background: linear-gradient(135deg, #ef6f6f, #c43f51);
}
.button-ghost {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border-color: var(--line);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.big-number {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: clamp(2.5rem, 8vw, 4.4rem);
  font-weight: 800;
  line-height: 1;
  margin-top: 10px;
}

.big-number span {
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.big-number.small {
  font-size: clamp(2rem, 6vw, 3.2rem);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.text-link { color: var(--accent); }

.account-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.account-card {
  padding: 18px;
}

.account-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 18px;
  border: 1px solid var(--line);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  background: rgba(0,0,0,0.08);
}

th,
td {
  padding: 0.9rem 0.95rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.76rem;
}

tr:last-child td { border-bottom: 0; }

.positive { color: var(--green); }
.negative { color: var(--red); }
.tx-type.positive { background: rgba(96, 211, 148, 0.14); }
.tx-type.negative { background: rgba(244, 109, 109, 0.14); }

.callout,
.panel-note,
.alert {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
}

.alert-error {
  border-color: rgba(244, 109, 109, 0.35);
  background: rgba(244, 109, 109, 0.12);
}

.success-alert {
  border-color: rgba(96, 211, 148, 0.35);
  background: rgba(96, 211, 148, 0.12);
}

.warning-text {
  color: var(--amber);
}

.status-pill {
  color: var(--text);
  font-size: 0.88rem;
}

.tier {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  border: 1px solid transparent;
  font-weight: 700;
}

.tier-gold {
  color: #f6d98a;
  border-color: rgba(246, 217, 138, 0.35);
  background: rgba(246, 217, 138, 0.12);
}

.tier-rare {
  color: #8fd0ff;
  border-color: rgba(143, 208, 255, 0.35);
  background: rgba(143, 208, 255, 0.12);
}

.tier-common {
  color: #8fe2af;
  border-color: rgba(143, 226, 175, 0.35);
  background: rgba(143, 226, 175, 0.12);
}

.tier-noob {
  color: #ffb1c6;
  border-color: rgba(255, 177, 198, 0.35);
  background: rgba(255, 177, 198, 0.12);
}

.tier-gameover {
  color: #ff9a9a;
  border-color: rgba(255, 154, 154, 0.35);
  background: rgba(255, 154, 154, 0.12);
}

.weekly-score-panel p {
  margin: 0.35rem 0 0;
}

.weekly-score-wrap table,
.weekly-score-table {
  min-width: 920px;
}

.weekly-score-table tfoot th,
.weekly-score-table tfoot td {
  border-top: 1px solid var(--line);
}

.score-select select {
  min-width: 72px;
}

.weekly-total {
  font-weight: 800;
}

.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;
}

.equivalent {
  margin: 6px 0 0;
  font-size: 1.02rem;
}

.form-panel { max-width: 860px; }

@media (max-width: 920px) {
  .summary-grid,
  .layout-two,
  .hero-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .span-two { grid-column: auto; }
  .logout-form { margin-left: 0; }
}

@media (max-width: 640px) {
  .page-wrap { width: min(100% - 14px, 1180px); padding-top: 10px; }
  .topbar { padding: 14px; }
  .brand-mark { width: 46px; height: 46px; }
  .panel, .hero-card, .account-card { padding: 18px; }
  .main-nav { padding: 8px; }
  .button { width: 100%; }
  .card-actions { display: grid; }
}