/* Sapiens Wallet — Dark navy theme with geometric accents */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0a0e27;
  --bg-secondary: #111640;
  --bg-card: rgba(255, 255, 255, 0.06);
  --bg-card-hover: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);
  --text-primary: #f0f0f5;
  --text-secondary: #8b8fa3;
  --text-muted: #5c6078;
  --accent-primary: #6366f1;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  --accent-soft: rgba(99, 102, 241, 0.15);
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.12);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --grid-color: rgba(99, 102, 241, 0.08);
  --grid-node: rgba(99, 102, 241, 0.15);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Grid background pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}

/* Glowing nodes at grid intersections */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle 3px at 60px 60px, var(--grid-node) 100%, transparent),
    radial-gradient(circle 3px at 120px 120px, var(--grid-node) 100%, transparent),
    radial-gradient(circle 3px at 180px 60px, var(--grid-node) 100%, transparent),
    radial-gradient(circle 3px at 60px 180px, var(--grid-node) 100%, transparent),
    radial-gradient(circle 3px at 300px 120px, var(--grid-node) 100%, transparent),
    radial-gradient(circle 3px at 240px 240px, var(--grid-node) 100%, transparent);
  z-index: 0;
  pointer-events: none;
}

/* Ambient glow */
#app::before {
  content: '';
  position: fixed;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

#app {
  position: relative;
  z-index: 1;
  padding: 20px 16px 100px;
  max-width: 420px;
  margin: 0 auto;
}

h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

/* ---- Header ---- */
.wallet-header, .page-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.badge.testnet {
  background: var(--accent-gradient);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- Balance card ---- */
.balance-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.balance-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.4), transparent);
}

.balance-card.compact { padding: 20px 24px; }
.balance-label {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}
.balance-amount {
  font-size: 52px;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.balance-card.compact .balance-amount { font-size: 36px; }
.balance-sub {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- Wallet connection ---- */
.wallet-section {
  margin-bottom: 28px;
  text-align: center;
}
.wallet-status p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-size: 14px;
  line-height: 1.5;
}
.wallet-address {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  color: var(--text-secondary) !important;
  word-break: break-all;
  background: var(--bg-card);
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  display: inline-block;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border: none;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: all 0.2s ease;
  letter-spacing: 0.2px;
}
.btn:active { transform: scale(0.97); }
.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 30px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
}

.btn-large {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  border-radius: 16px;
}

/* ---- Quick actions ---- */
.quick-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---- Amount grid ---- */
.section-label {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.amount-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.amount-btn {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1.5px solid var(--border-subtle);
  border-radius: 14px;
  padding: 18px 0;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Inter', sans-serif;
}
.amount-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
}
.amount-btn.selected {
  border-color: var(--accent-primary);
  background: var(--accent-soft);
  color: #fff;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}

/* ---- Conversion info ---- */
.conversion-info {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 24px;
  font-weight: 500;
}

/* ---- Input ---- */
.input-group { margin-bottom: 20px; }
.input-group label {
  display: block;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.input-group input {
  width: 100%;
  padding: 16px;
  border: 1.5px solid var(--border-subtle);
  border-radius: 14px;
  font-size: 18px;
  font-weight: 600;
  background: var(--bg-card);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s;
  outline: none;
}
.input-group input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.input-group input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

/* ---- Status message ---- */
.status-message {
  text-align: center;
  padding: 14px 18px;
  border-radius: 14px;
  margin-top: 18px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}
.status-message.success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.2);
}
.status-message.error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}
.status-message.pending {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

/* ---- Transactions ---- */
.transactions {
  display: flex;
  flex-direction: column;
}
.tx-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.tx-item:last-child { border-bottom: none; }
.tx-info { flex: 1; }
.tx-type {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.tx-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 3px;
}
.tx-amount {
  font-size: 16px;
  font-weight: 700;
  text-align: right;
  font-family: 'SF Mono', 'Fira Code', monospace;
}
.tx-amount.positive { color: var(--success); }
.tx-amount.negative { color: var(--error); }
.tx-date {
  font-size: 11px;
  color: var(--text-muted);
  text-align: right;
  margin-top: 2px;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 48px 0;
  font-size: 14px;
  font-weight: 500;
}

/* ---- Bottom nav ---- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-subtle);
  padding: 6px 0;
  padding-bottom: max(env(safe-area-inset-bottom, 6px), 6px);
  z-index: 100;
}
.nav-item {
  flex: 1;
  text-align: center;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  padding: 10px 0;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-item:active,
.nav-item:hover {
  color: var(--accent-primary);
}

/* ---- Sections ---- */
.topup-section, .withdraw-section { margin-bottom: 24px; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-subtle); border-radius: 4px; }