:root {
  --bg: #0b0b0c;
  --bg-elev: #121214;
  --bg-card: rgba(21, 21, 24, 0.5);
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.1);
  --text: #f4f1ea;
  --text-dim: #8a8680;
  --text-faint: #55524d;
  --accent: #e8a838;
  --accent-soft: rgba(232, 168, 56, 0.12);
  --accent-hover: #f0b545;
  --success: #7db88f;
  --danger: #d46a5e;
  --info: #6a9fd4;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Geist', -apple-system, sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.035;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: overlay;
}

body::after {
  content: '';
  position: fixed;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
  animation: drift 20s ease-in-out infinite;
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-80px, 120px); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ============== LOGIN ============== */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 20px;
  position: relative;
  z-index: 1;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
  backdrop-filter: blur(20px);
  animation: fadeUp 0.8s ease;
}

.login-card h1 {
  font-family: 'Instrument Serif', serif;
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.login-card h1 em {
  color: var(--accent);
  font-style: italic;
}

.login-card .subtitle {
  color: var(--text-faint);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-faint);
  margin-bottom: 8px;
}
.input {
  width: 100%;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.2s;
}
.input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ============== APP LAYOUT ============== */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

aside {
  border-right: 1px solid var(--border);
  padding: 28px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: rgba(10, 10, 11, 0.5);
  backdrop-filter: blur(20px);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 0 10px 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.brand-mark {
  font-family: 'Instrument Serif', serif;
  font-size: 28px;
  font-style: italic;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.brand-text {
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.04em;
}

.brand-dim {
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-left: auto;
  align-self: center;
}

nav { display: flex; flex-direction: column; gap: 2px; }

.nav-group-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 16px 12px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: 6px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.nav-item:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.nav-item.active {
  color: var(--text);
  background: var(--accent-soft);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: -18px;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 18px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-item svg { width: 16px; height: 16px; opacity: 0.75; flex-shrink: 0; }
.nav-item.active svg { opacity: 1; color: var(--accent); }

.sidebar-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 10px 0;
}

.avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #c47a1a);
  display: grid; place-items: center;
  font-weight: 600;
  font-size: 12px;
  color: var(--bg);
}

.status-online {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s infinite;
}

/* ============== MAIN ============== */
main {
  padding: 32px 44px 60px;
  max-width: 1400px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

h1.page-title {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 42px;
  letter-spacing: -0.02em;
  line-height: 1;
}

h1.page-title em { color: var(--accent); font-style: italic; }

.crumb {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-faint);
  margin-bottom: 10px;
}

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

.btn {
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  padding: 9px 14px;
  border-radius: 7px;
  font-family: inherit;
  font-size: 12.5px;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn:hover { background: rgba(255, 255, 255, 0.03); border-color: rgba(255, 255, 255, 0.16); }

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 500;
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-danger { color: var(--danger); border-color: rgba(212, 106, 94, 0.3); }
.btn-danger:hover { background: rgba(212, 106, 94, 0.1); }

/* ============== STATS ============== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 36px;
}

.stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  cursor: default;
  transition: border-color 0.3s, transform 0.3s;
  animation: fadeUp 0.7s ease backwards;
}

.stat:nth-child(1) { animation-delay: 0.05s; }
.stat:nth-child(2) { animation-delay: 0.12s; }
.stat:nth-child(3) { animation-delay: 0.19s; }
.stat:nth-child(4) { animation-delay: 0.26s; }

.stat:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-faint);
  margin-bottom: 12px;
}

.stat-value {
  font-family: 'Instrument Serif', serif;
  font-size: 44px;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-value .unit {
  font-size: 22px;
  color: var(--text-faint);
  margin-left: 6px;
}

.stat-sub {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-dim);
}

/* ============== PANELS ============== */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  backdrop-filter: blur(12px);
  margin-bottom: 14px;
  animation: fadeUp 0.7s 0.3s ease backwards;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.panel-title {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  letter-spacing: -0.01em;
}

.panel-title em { color: var(--accent); font-style: italic; }

.row-2 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

/* ============== CHART ============== */
.chart { height: 260px; position: relative; }

.chart-line {
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
  animation: draw 2s 1s ease forwards;
}
.chart-fill { opacity: 0; animation: fadeIn 1.2s 1.5s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fadeIn { to { opacity: 1; } }

/* ============== TABLE ============== */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th {
  text-align: left;
  font-weight: 500;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-faint);
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  transition: background 0.2s;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255, 255, 255, 0.02); color: var(--text); }
td.strong { color: var(--text); font-weight: 500; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.tag-active { background: rgba(125, 184, 143, 0.1); color: var(--success); border: 1px solid rgba(125, 184, 143, 0.2); }
.tag-warn { background: rgba(232, 168, 56, 0.1); color: var(--accent); border: 1px solid rgba(232, 168, 56, 0.2); }
.tag-danger { background: rgba(212, 106, 94, 0.1); color: var(--danger); border: 1px solid rgba(212, 106, 94, 0.2); }

.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}

/* ============== TRANSACTIONS LIST ============== */
.txn { display: flex; flex-direction: column; gap: 2px; }
.txn-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
  transition: transform 0.2s;
}
.txn-item:last-child { border-bottom: none; }
.txn-item:hover { transform: translateX(3px); }

.txn-icon {
  width: 32px; height: 32px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
}
.txn-icon.crypto { background: rgba(106, 159, 212, 0.15); color: var(--info); }
.txn-meta { display: flex; flex-direction: column; }
.txn-name { font-size: 13px; color: var(--text); }
.txn-time { font-size: 11px; color: var(--text-faint); }
.txn-amount { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--success); font-variant-numeric: tabular-nums; }

/* ============== FORMS ============== */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 12px;
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.setting-row {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.setting-key { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--text); }
.setting-desc { font-size: 11.5px; color: var(--text-faint); margin-top: 3px; }

/* ============== TOAST ============== */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 13px;
  animation: fadeUp 0.3s;
  z-index: 10000;
}
.toast.error { border-color: rgba(212, 106, 94, 0.4); color: var(--danger); }
.toast.success { border-color: rgba(125, 184, 143, 0.4); color: var(--success); }

/* ============== MODAL ============== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  z-index: 1000;
  animation: fadeIn 0.2s;
}
.modal {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 28px;
  width: 480px;
  max-width: 90vw;
  animation: fadeUp 0.3s;
}
.modal h2 {
  font-family: 'Instrument Serif', serif;
  font-size: 28px;
  margin-bottom: 18px;
}

/* ============== UTIL ============== */
.hidden { display: none !important; }
.row { display: flex; gap: 8px; align-items: center; }
.spacer { flex: 1; }
.dim { color: var(--text-dim); }
.faint { color: var(--text-faint); }

@media (max-width: 1100px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .row-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .app { grid-template-columns: 1fr; }
  aside { display: none; }
  main { padding: 20px; }
  h1.page-title { font-size: 32px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .setting-row { grid-template-columns: 1fr; }
}