:root {
  --bg: #0f1115;
  --panel: #16191f;
  --panel-strong: #12151b;
  --border: #242a33;
  --text: #e6e8ec;
  --muted: #9aa0aa;
  --accent: #4f8bff;
  --accent-2: #3cc7c4;
  --warn: #f97316;
  --shadow: 0 14px 32px rgba(0, 0, 0, 0.35);
}

body.light {
  --bg: #f6f7fb;
  --panel: #ffffff;
  --panel-strong: #f0f2f6;
  --border: #d9dfe7;
  --text: #0f172a;
  --muted: #6b7280;
  --accent: #3b82f6;
  --accent-2: #10b981;
  --shadow: 0 14px 24px rgba(59, 130, 246, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.3s ease, color 0.3s ease;
}

.wrap { max-width: 1280px; margin: 0 auto; padding: 28px 20px 60px; }
.auth-wrap { max-width: 560px; margin: 0 auto; padding: 28px 16px 48px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
header {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px; padding: 18px 20px; border: 1px solid var(--border);
  border-radius: 16px; background: var(--panel);
  box-shadow: var(--shadow);
  transition: background 0.2s ease, border 0.2s ease;
}
header h1 { margin: 0; font-size: 24px; letter-spacing: 0.2px; }
header .pill { padding: 8px 11px; border-radius: 999px; background: rgba(79,139,255,0.12); color: var(--accent); font-weight: 700; border: 1px solid rgba(79,139,255,0.25); }
.muted { color: var(--muted); font-size: 13px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; margin-top: 18px; }
.main-grid { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; margin-top: 14px; }
.stack { display: grid; gap: 12px; }
.form { display: grid; gap: 12px; }
.field { display: grid; gap: 6px; }
.row-inline { display: flex; gap: 8px; align-items: center; }
.row-inline input { flex: 1; min-width: 0; }
.row-inline .ghost { flex: 0 0 auto; padding: 10px 12px; font-size: 13px; white-space: nowrap; width: auto; min-width: 0; }
.card-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 16px 16px 14px;
  box-shadow: var(--shadow);
  transition: background 0.2s ease, border 0.2s ease, transform 0.15s ease;
}
.card:hover { transform: translateY(-1px); }
.card h3 { margin: 0 0 10px; font-size: 18px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.col { flex: 1; min-width: 220px; }
label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--muted); }
input {
  width: 100%; padding: 12px 12px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--panel-strong); color: var(--text); font-size: 14px;
}
input:focus { outline: 1px solid var(--accent-2); border-color: var(--accent-2); }
input.error { border-color: #f97316 !important; outline: 1px solid #f97316 !important; }
.error-text { color: #f97316; font-size: 12px; margin-top: 4px; }
select {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--text);
}
select:focus { outline: 1px solid var(--accent-2); border-color: var(--accent-2); }
select.error { border-color: #f97316 !important; outline: 1px solid #f97316 !important; }
.buttons { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
button {
  padding: 12px 15px; border: none; border-radius: 12px; font-weight: 700; cursor: pointer; color: #031022;
  background: var(--accent); box-shadow: 0 10px 22px rgba(79,139,255,0.2);
  transition: transform 0.1s ease, box-shadow 0.15s ease, background 0.15s ease;
}
button:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(79,139,255,0.26); }
button:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
button.secondary { background: var(--accent-2); color: #031022; box-shadow: 0 10px 22px rgba(16,185,129,0.18); }
button.ghost { background: rgba(255,255,255,0.06); color: var(--text); border: 1px solid var(--border); box-shadow: none; }
button:disabled { opacity: 0.65; cursor: not-allowed; }

a.ghost, a.secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 15px; border-radius: 12px; font-weight: 700; text-decoration: none;
}
a.ghost { background: rgba(255,255,255,0.06); color: var(--text); border: 1px solid var(--border); box-shadow: none; }
a.secondary { background: var(--accent-2); color: #031022; box-shadow: 0 10px 22px rgba(16,185,129,0.18); }

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}
.tab-btn {
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
}
.tab-btn.active {
  background: var(--accent);
  color: #031022;
  border-color: var(--accent);
}
.tab-btn:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.status-pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 999px; font-weight: 700; }
.status-ok { background: rgba(45,212,191,0.12); color: var(--accent); border: 1px solid rgba(45,212,191,0.25); }
.status-bad { background: rgba(249,115,22,0.12); color: var(--warn); border: 1px solid rgba(249,115,22,0.25); }
.token-box { background: var(--panel-strong); border: 1px dashed var(--border); padding: 12px; border-radius: 12px; font-size: 13px; word-break: break-all; }
pre {
  margin: 0; background: var(--panel-strong); color: var(--text);
  padding: 14px; border-radius: 12px; border: 1px solid var(--border); overflow-x: auto; min-height: 160px; font-size: 13px;
}

.alert {
  background: rgba(249,115,22,0.12);
  color: var(--warn);
  border: 1px solid rgba(249,115,22,0.25);
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 13px;
  animation: fadeIn 0.25s ease;
}

.alert.success {
  background: rgba(16,185,129,0.12);
  color: #10b981;
  border-color: rgba(16,185,129,0.25);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.section-title { margin: 12px 0 10px; font-size: 15px; color: #cbd5e1; letter-spacing: 0.3px; }
.nav-app { display: flex; gap: 10px; flex-wrap: wrap; }
.panel-list { display: grid; gap: 10px; }
.list-item { padding: 12px; border-radius: 12px; background: var(--panel-strong); border: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }

.screen { display: none; }
.screen.active { display: block; }

.container { max-width: 1280px; margin: 0 auto; padding: 20px 16px 48px; }
.nav { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.brand { display: inline-flex; gap: 8px; align-items: center; }
.brand-logo { height: 36px; width: auto; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 0 12px rgba(79,139,255,0.6); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.stat-card { display: grid; gap: 6px; }
.stat-value { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.pill-soft { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: rgba(79,139,255,0.1); color: var(--accent); font-weight: 700; border: 1px solid rgba(79,139,255,0.18); }
.list { display: grid; gap: 10px; }
.list-item small { color: var(--muted); }
.amount-positive { color: var(--accent-2); font-weight: 700; }
.amount-negative { color: #f97316; font-weight: 700; }
.progress-wrap { display: grid; gap: 6px; }
.progress-bar { height: 8px; border-radius: 999px; background: var(--panel-strong); border: 1px solid var(--border); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%); }
.chip { padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,0.06); border: 1px solid var(--border); color: var(--muted); font-weight: 700; }
.hero-area {
  background: radial-gradient(circle at 20% 20%, rgba(63, 131, 248, 0.16), transparent 35%), radial-gradient(circle at 80% 0%, rgba(16, 185, 129, 0.16), transparent 32%), linear-gradient(135deg, var(--panel) 0%, var(--panel-strong) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.hero-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; align-items: center; }
.hero-title { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 6px; }
.hero-sub { color: var(--muted); margin: 0; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 999px; background: rgba(60, 199, 196, 0.14); color: var(--accent-2); font-weight: 700; border: 1px solid rgba(60, 199, 196, 0.25); }
.quick-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.action-card { border: 1px solid var(--border); border-radius: 12px; padding: 12px; background: var(--panel-strong); display: grid; gap: 4px; cursor: pointer; transition: transform 0.1s ease, border 0.15s ease, box-shadow 0.15s ease; }
.action-card:hover { transform: translateY(-1px); border-color: var(--accent); box-shadow: 0 10px 26px rgba(79,139,255,0.18); }
.timeline { display: grid; gap: 10px; }
.timeline-item { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--border); background: var(--panel-strong); }
.timeline-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.mini-chart { height: 42px; border-radius: 10px; background: linear-gradient(90deg, rgba(63,131,248,0.18), rgba(16,185,129,0.2)); border: 1px dashed var(--border); }
.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 14px; margin-top: 14px; }
.chart-shell { margin-top: 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel-strong); overflow: hidden; }
.chart-svg { width: 100%; height: 220px; display: block; }
.chart-area { fill: url(#lineFill); }
.chart-line { fill: none; stroke: url(#lineStroke); stroke-width: 3; }
.chart-dot { fill: var(--panel); stroke: #4f8bff; stroke-width: 2; }
.chart-bar { opacity: 0.92; }
.chart-value { font-size: 12px; fill: var(--text); text-anchor: middle; }
.chart-label { font-size: 11px; fill: var(--muted); text-anchor: middle; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; align-items: center; color: var(--muted); font-size: 13px; }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; background: var(--accent); }
.crypto-grid { display: grid; gap: 10px; grid-template-columns: 1fr; margin-top: 10px; }
.mini-coin { border: 1px solid var(--border); border-radius: 12px; padding: 10px; background: var(--panel-strong); display: grid; }
.coin-row { display: grid; grid-template-columns: auto 1fr auto 140px; align-items: center; gap: 8px; width: 100%; }
.coin-title { display: grid; gap: 2px; }
.mini-spark { width: 100%; max-width: 140px; height: 52px; margin-left: auto; }
.spark-svg { width: 100%; height: 52px; display: block; }
.coin-dot { width: 28px; height: 28px; border-radius: 50%; box-shadow: 0 6px 14px rgba(0,0,0,0.18); }
.coin-logo { width: 28px; height: 28px; border-radius: 50%; background: var(--panel-strong); object-fit: contain; box-shadow: 0 6px 14px rgba(0,0,0,0.18); }

.hero {
  text-align: center;
  padding: 36px 16px 18px;
}
.hero h2 { margin: 0; font-size: 22px; }
.hero p { margin: 10px 0 0; color: var(--muted); }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin-top: 18px; }
.feature-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  display: grid;
  gap: 8px;
}
.feature-dot { width: 12px; height: 12px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 0 12px rgba(79,139,255,0.4); }
.landing-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  display: grid;
  gap: 10px;
}
.mini-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; }
.stat-chip { border: 1px solid var(--border); border-radius: 12px; padding: 10px; background: var(--panel); }
.hero-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

@media (max-width: 1024px) {
  .grid, .main-grid { grid-template-columns: 1fr; }
  .col { min-width: 180px; }
  header h1 { font-size: 22px; }
}

@media (max-width: 640px) {
  .auth-wrap { padding: 20px 14px 36px; }
  .card { padding: 14px; }
  button { width: 100%; justify-content: center; }
  .row-inline { flex-wrap: nowrap; }
  .row-inline .ghost { width: auto; }
  .actions { flex-direction: column; align-items: stretch; }
  .tabs { flex-direction: column; }
  .chart-grid { grid-template-columns: 1fr; }
  .chart-shell { padding: 8px; }
  .chart-svg { height: 180px; }
  .chart-value { font-size: 11px; }
  .chart-label { font-size: 10px; }
  .chart-legend { font-size: 12px; gap: 8px; }
  .mini-coin { padding: 8px; }
  .mini-spark, .spark-svg { width: 120px; height: 40px; }
}

.helper-row {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  font-size: 13px;
}

.text-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}
.text-link:hover { text-decoration: underline; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 12px;
  background: rgba(79,139,255,0.12);
  color: var(--accent);
  border: 1px solid rgba(79,139,255,0.25);
}
.badge.alt {
  background: rgba(16,185,129,0.12);
  color: var(--accent-2);
  border-color: rgba(16,185,129,0.25);
}

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.recover-grid { display: grid; gap: 14px; }
.callout {
  background: linear-gradient(135deg, rgba(79,139,255,0.12), rgba(16,185,129,0.12));
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 13px;
}

@keyframes slideFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-panel {
  display: none;
  animation: slideFadeIn 0.25s ease forwards;
}

@media (max-width: 640px) {
  .helper-row { justify-content: flex-start; }
}