/* ==========================================================================
   VAULT Web Wallet — High-Aesthetic Glassmorphic Design System
   https://webwallet.vaultapp.space
   ========================================================================== */

:root {
  --bg-dark: #080b11;
  --bg-card: rgba(16, 22, 34, 0.75);
  --bg-card-hover: rgba(24, 32, 48, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(124, 77, 255, 0.3);
  
  --primary-purple: #7c4dff;
  --primary-purple-hover: #651fff;
  --accent-cyan: #00e5ff;
  --accent-gold: #ffd700;
  --text-main: #f0f4f8;
  --text-muted: #94a3b8;
  
  --color-green: #00e676;
  --color-red: #ff5252;

  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-glow: 0 0 25px rgba(124, 77, 255, 0.15);
}

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

body {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(124, 77, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(0, 229, 255, 0.06) 0%, transparent 40%);
  color: var(--text-main);
  font-family: var(--font-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.mono {
  font-family: var(--font-mono);
}

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ─── Navbar ────────────────────────────────────────────────────────────── */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 28px;
  background: linear-gradient(135deg, var(--primary-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
}

.brand-badge {
  font-size: 10px;
  font-weight: 700;
  background: rgba(124, 77, 255, 0.2);
  color: var(--primary-purple);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid rgba(124, 77, 255, 0.3);
}

.node-status-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.green {
  background: var(--color-green);
  box-shadow: 0 0 10px var(--color-green);
}

.status-dot.red {
  background: var(--color-red);
  box-shadow: 0 0 10px var(--color-red);
}

.height-badge {
  color: var(--accent-cyan);
  font-weight: 600;
}

/* ─── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-main);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-purple), var(--primary-purple-hover));
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(124, 77, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 77, 255, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--primary-purple);
  color: var(--primary-purple);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-icon-link {
  background: transparent;
  border: none;
  color: var(--accent-cyan);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}

.btn-icon-link:hover {
  text-decoration: underline;
}

/* ─── Glass Cards ───────────────────────────────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.3s ease;
}

.glass-card:hover {
  border-color: var(--border-accent);
}

.balance-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .balance-card-grid {
    grid-template-columns: 1fr;
  }
}

.balance-primary {
  background: linear-gradient(135deg, rgba(20, 26, 40, 0.85), rgba(16, 22, 34, 0.95));
  border: 1px solid var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.card-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.currency-tag {
  font-size: 11px;
  font-weight: 800;
  background: rgba(0, 229, 255, 0.15);
  color: var(--accent-cyan);
  padding: 2px 8px;
  border-radius: 4px;
}

.balance-value-container {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 16px;
}

.balance-amount {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.unit {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-muted);
}

.sub-balances {
  display: flex;
  gap: 24px;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
  font-size: 13px;
}

.sub-label {
  color: var(--text-muted);
}

.sub-val {
  font-weight: 600;
  margin-left: 4px;
}

/* ─── Address Card ──────────────────────────────────────────────────────── */
.wallet-address-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.address-display {
  font-size: 14px;
  word-break: break-all;
  background: rgba(0, 0, 0, 0.3);
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  color: var(--accent-cyan);
  margin: 12px 0;
}

.address-footer {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
}

.wallet-tag {
  color: var(--text-muted);
}

.sync-tag {
  color: var(--color-green);
  font-weight: 600;
}

/* ─── Tabs ──────────────────────────────────────────────────────────────── */
.tab-nav {
  display: flex;
  gap: 8px;
  background: var(--bg-card);
  padding: 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.nav-item {
  flex: 1;
  padding: 12px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.nav-item.active {
  background: rgba(124, 77, 255, 0.2);
  color: #ffffff;
  border: 1px solid rgba(124, 77, 255, 0.4);
}

.nav-item:hover:not(.active) {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
}

.tab-view {
  display: none;
}

.tab-view.active {
  display: block;
}

/* ─── Overview Tab ──────────────────────────────────────────────────────── */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 900px) {
  .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

.stat-value {
  font-size: 20px;
  font-weight: 700;
}

.text-green {
  color: var(--color-green);
}

.action-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px;
  background: linear-gradient(135deg, rgba(124, 77, 255, 0.1), rgba(0, 229, 255, 0.05));
  border: 1px solid var(--border-accent);
}

.banner-text h3 {
  font-size: 20px;
  margin-bottom: 6px;
}

.banner-text p {
  color: var(--text-muted);
  font-size: 14px;
  max-width: 600px;
}

.banner-btns {
  display: flex;
  gap: 12px;
}

/* ─── Forms & Controls ──────────────────────────────────────────────────── */
.form-card {
  max-width: 680px;
  margin: 0 auto;
}

.form-card h2 {
  font-size: 24px;
  margin-bottom: 6px;
}

.form-desc {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 15px;
  outline: none;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: var(--primary-purple);
  box-shadow: 0 0 12px rgba(124, 77, 255, 0.2);
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-row .col {
  flex: 1;
}

.fee-preview-box {
  display: flex;
  justify-content: space-between;
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ─── Receive Tab ───────────────────────────────────────────────────────── */
.receive-card {
  max-width: 580px;
  margin: 0 auto;
  text-align: center;
}

.qr-container {
  display: inline-block;
  padding: 16px;
  background: #ffffff;
  border-radius: var(--radius-md);
  margin: 20px 0;
}

.full-address-box {
  background: rgba(0, 0, 0, 0.4);
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.full-address {
  font-size: 14px;
  color: var(--accent-cyan);
  word-break: break-all;
}

.receive-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

/* ─── History Table ─────────────────────────────────────────────────────── */
.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.table-responsive {
  overflow-x: auto;
}

.tx-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}

.tx-table th {
  padding: 14px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
}

.tx-table td {
  padding: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.table-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px !important;
}

.tx-link {
  color: var(--accent-cyan);
  text-decoration: none;
}

.tx-link:hover {
  text-decoration: underline;
}

/* ─── Modals ────────────────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: #0f1624;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  padding: 28px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}

.modal-desc {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 20px;
}

.choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.choice-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-main);
}

.choice-card:hover {
  background: rgba(124, 77, 255, 0.1);
  border-color: var(--primary-purple);
  transform: translateY(-2px);
}

.choice-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.choice-card h4 {
  font-size: 16px;
  margin-bottom: 6px;
}

.choice-card p {
  font-size: 12px;
  color: var(--text-muted);
}

.seed-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}

@media (max-width: 600px) {
  .seed-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.seed-word-item {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: var(--font-mono);
  display: flex;
  gap: 6px;
}

.seed-word-num {
  color: var(--text-muted);
  font-size: 10px;
}

.new-address-preview {
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  margin-bottom: 20px;
  word-break: break-all;
}

.new-address-preview .label {
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}

.new-address-preview .value {
  color: var(--accent-cyan);
}

.modal-footer-btns {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.confirm-details {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.confirm-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 14px;
}

.confirm-row:last-child {
  margin-bottom: 0;
}

.confirm-value {
  font-weight: 600;
  word-break: break-all;
  max-width: 300px;
  text-align: right;
}

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

.warning-text {
  font-size: 12px;
  color: var(--accent-gold);
  margin-bottom: 20px;
}

/* ─── Toast Notifications ───────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
}

.toast {
  background: #141c2b;
  color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.toast.success {
  border-color: var(--color-green);
}

.toast.error {
  border-color: var(--color-red);
}

.toast.info {
  border-color: var(--accent-cyan);
}

/* ─── Footer ────────────────────────────────────────────────────────────── */
.footer {
  margin-top: auto;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}