/* ==========================================================================
   ChainVault - Page-Specific Styles
   Portfolio | Wallet | Trade | Transactions | Settings
   ========================================================================== */

/* =======================================================================
   1. PORTFOLIO PAGE (index.html)
   ======================================================================= */

/* --- Total Balance Hero --- */
.portfolio-hero {
  position: relative;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  background: linear-gradient(
    135deg,
    rgba(0, 229, 160, 0.06) 0%,
    rgba(0, 229, 160, 0.02) 40%,
    var(--color-glass-bg) 100%
  );
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--color-glass-border);
  overflow: hidden;
  margin-bottom: var(--space-6);
}

/* Subtle gradient orb in background */
.portfolio-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(0, 229, 160, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.portfolio-hero__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-2);
}

/* portfolio-hero__balance is used as a wrapper div in HTML (with glass-card),
   so reset its font styles -- the actual number uses __amount */
.portfolio-hero__balance {
  position: relative;
}

.portfolio-hero__balance-currency {
  font-size: var(--text-3xl);
  color: var(--color-text-tertiary);
  font-weight: var(--weight-medium);
  vertical-align: super;
  margin-right: var(--space-1);
}

.portfolio-hero__change {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.portfolio-hero__change-amount {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
}

.portfolio-hero__change--up .portfolio-hero__change-amount   { color: var(--color-success); }
.portfolio-hero__change--down .portfolio-hero__change-amount { color: var(--color-danger); }

.portfolio-hero__change-period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.portfolio-hero__actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* --- Quick Stats Row --- */
.portfolio-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.portfolio-stat-card {
  padding: var(--space-5);
}

/* --- Holdings Grid / List --- */
.holdings-section {
  margin-bottom: var(--space-6);
}

.holdings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-4);
}

.holding-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
}

.holding-card__info {
  flex: 1;
  min-width: 0;
}

.holding-card__name {
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
}

.holding-card__symbol {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.holding-card__values {
  text-align: right;
  flex-shrink: 0;
}

.holding-card__balance {
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

.holding-card__amount {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.holding-card__change {
  margin-top: 4px;
}

/* --- Holdings List View --- */
.holdings-list {
  display: flex;
  flex-direction: column;
}

.holdings-list .holding-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 100px;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-subtle);
  transition: background-color var(--transition-fast);
}

.holdings-list .holding-row:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.holdings-list .holding-row:last-child {
  border-bottom: none;
}

.holding-row__token {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.holding-row__name {
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
}

.holding-row__symbol {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.holding-row__price,
.holding-row__amount,
.holding-row__value {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-align: right;
}

.holding-row__value {
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

/* --- Allocation Section --- */
.allocation-section {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-8);
  align-items: center;
}

/* --- Portfolio Hero Amount (HTML uses __amount, CSS had __balance) --- */
.portfolio-hero__amount {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-tight);
  text-shadow: 0 0 40px rgba(0, 229, 160, 0.15);
  line-height: var(--leading-none);
  margin-bottom: var(--space-3);
}

/* --- Portfolio Hero Period --- */
.portfolio-hero__period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --- Holdings Grid (HTML uses holdings__grid) --- */
.holdings__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-4);
}

/* --- Holding Card (HTML prefix: holdings__card) --- */
.holdings__card {
  cursor: pointer;
}

.holdings__card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.holdings__card-header .token-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--weight-bold);
  color: #fff;
  font-size: var(--text-xs);
}

.holdings__token-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.holdings__token-symbol {
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

.holdings__token-name {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.holdings__card-body {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.holdings__amount {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.holdings__value {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

/* --- Allocation Section (Pie Chart) --- */
.allocation__card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-8);
  align-items: center;
}

.allocation__chart-container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.allocation__pie {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
}

.allocation__pie-hole {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  height: 60%;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-primary);
}

.allocation__legend {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.allocation__legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.allocation__legend-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-xs);
  flex-shrink: 0;
}

.allocation__legend-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  flex: 1;
}

.allocation__legend-value {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

@media (max-width: 640px) {
  .allocation-section,
  .allocation__card {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  .portfolio-hero__balance,
  .portfolio-hero__amount {
    font-size: var(--text-4xl);
  }
  .holdings-grid,
  .holdings__grid {
    grid-template-columns: 1fr;
  }
  .holdings-list .holding-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }
  .holdings-list .holding-row > :nth-child(n+3) {
    display: none;
  }
}


/* =======================================================================
   2. WALLET PAGE
   ======================================================================= */

/* --- Wallet Cards Grid --- */
.wallets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.wallet-card {
  position: relative;
  padding: var(--space-6);
  overflow: hidden;
}

.wallet-card--active {
  border-color: rgba(0, 229, 160, 0.15);
}

.wallet-card--active::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
}

.wallet-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.wallet-card__name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.wallet-card__network {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-tertiary);
}

.wallet-card__balance {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.wallet-card__balance-secondary {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-4);
}

.wallet-card__address {
  margin-bottom: var(--space-4);
}

.wallet-card__actions {
  display: flex;
  gap: var(--space-2);
}

/* Add wallet card */
.wallet-card--add {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  border-style: dashed;
  border-color: var(--color-border-strong);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.wallet-card--add:hover {
  border-color: var(--color-primary-muted);
  background-color: var(--color-primary-ghost);
}

.wallet-card--add__icon {
  font-size: var(--text-3xl);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}

.wallet-card--add:hover .wallet-card--add__icon {
  color: var(--color-primary);
}

.wallet-card--add__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* --- Receive Section --- */
.receive-section {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-8);
  align-items: start;
  margin-bottom: var(--space-6);
}

.receive-section__qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.receive-section__address-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.receive-section__address-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
}

.receive-section__address-display {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  word-break: break-all;
  line-height: var(--leading-relaxed);
}

.receive-section__note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-3);
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-md);
}

/* --- Send Form --- */
.send-form {
  max-width: 520px;
}

.send-form__amount-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3);
  align-items: end;
}

.send-form__token-select {
  width: 120px;
}

.send-form__max-btn {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.send-form__max-btn:hover {
  background-color: var(--color-primary-ghost);
}

.send-form__gas-estimate {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  margin-top: var(--space-4);
}

.send-form__gas-label {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.send-form__gas-value {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.send-form__gas-usd {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-left: var(--space-2);
}

.send-form__submit {
  margin-top: var(--space-6);
}

/* --- Wallet Cards Grid (HTML uses wallet-cards__grid) --- */
.wallet-cards__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

/* --- Wallet Actions (Send + Receive side by side) --- */
.wallet-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

/* --- Wallet Receive Section --- */
.wallet-receive {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.wallet-receive__qr {
  display: flex;
  justify-content: center;
}

.wallet-receive__qr svg {
  width: 160px;
  height: 160px;
}

.wallet-receive__address-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.wallet-receive__address-block .input-group {
  display: flex;
  gap: 0;
}

.wallet-receive__address-block .input-group .form-input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  flex: 1;
  min-width: 0;
}

.wallet-receive__address-block .input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left: none;
}

.wallet-receive__network {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* --- Wallet Send Section --- */
.wallet-send {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.wallet-send .input-group {
  display: flex;
  gap: 0;
}

.wallet-send .input-group .form-input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  flex: 1;
  min-width: 0;
}

.wallet-send .input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left: none;
}

.wallet-send__gas-estimate {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
}

.gas-estimate__label {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.gas-estimate__value {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

@media (max-width: 640px) {
  .wallets-grid,
  .wallet-cards__grid {
    grid-template-columns: 1fr;
  }
  .wallet-actions {
    grid-template-columns: 1fr;
  }
  .receive-section {
    grid-template-columns: 1fr;
    justify-items: center;
  }
}


/* =======================================================================
   3. TRADE PAGE
   ======================================================================= */

/* --- Trade Layout --- */
.trade-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-4);
}

/* --- Trading Pair Selector --- */
.pair-selector {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.pair-selector__pair {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pair-selector__pair:hover {
  border-color: var(--color-border-strong);
  background-color: var(--color-bg-elevated);
}

.pair-selector__icons {
  display: flex;
}

.pair-selector__icons > :nth-child(2) {
  margin-left: -8px;
}

.pair-selector__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

.pair-selector__chevron {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  margin-left: var(--space-1);
}

.pair-selector__price {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

.pair-selector__stats {
  display: flex;
  gap: var(--space-6);
  margin-left: auto;
}

.pair-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pair-stat__label {
  font-size: var(--text-2xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.pair-stat__value {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
}

/* --- Order Book Layout --- */
.orderbook-panel {
  display: flex;
  flex-direction: column;
}

.orderbook-panel__title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

/* Horizontal split layout */
.orderbook--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* --- Trade Form (Buy/Sell) --- */
.trade-form {
  position: sticky;
  top: calc(var(--topbar-height) + var(--space-6));
}

.trade-form__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding-top: var(--space-5);
}

/* Order Type Selector */
.trade-form__order-types {
  display: flex;
  gap: var(--space-2);
}

.trade-form__order-type {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-tertiary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: none;
  border: none;
}

.trade-form__order-type:hover {
  color: var(--color-text-secondary);
}

.trade-form__order-type.active {
  color: var(--color-text-primary);
  background-color: var(--color-bg-hover);
}

/* Amount Quick Select */
.trade-form__quick-amounts {
  display: flex;
  gap: var(--space-2);
}

.trade-form__quick-btn {
  flex: 1;
  padding: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-tertiary);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.trade-form__quick-btn:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text-secondary);
}

.trade-form__quick-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-ghost);
}

/* Order Summary */
.trade-form__summary {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
}

.trade-form__summary-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
}

.trade-form__summary-label {
  color: var(--color-text-tertiary);
}

.trade-form__summary-value {
  color: var(--color-text-secondary);
  font-weight: var(--weight-medium);
}

.trade-form__summary-row--total {
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-subtle);
}

.trade-form__summary-row--total .trade-form__summary-label,
.trade-form__summary-row--total .trade-form__summary-value {
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

/* --- Trade Pair Header (HTML uses trade-pair__*) --- */
.trade-pair {
  margin-bottom: var(--space-6);
}

.trade-pair__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.trade-pair__info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.trade-pair__icons {
  display: flex;
  align-items: center;
}

.trade-pair__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

.trade-pair__price-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.trade-pair__price {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

/* --- Order Book (HTML uses hyphenated order-book) --- */
.order-book {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.order-book__header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  border-bottom: 1px solid var(--color-border);
}

.order-book__col-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.order-book__col-label:not(:first-child) {
  text-align: right;
}

.order-book__asks,
.order-book__bids {
  display: flex;
  flex-direction: column;
}

.order-book__row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-2);
  padding: 4px var(--space-3);
  position: relative;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  transition: background-color var(--transition-fast);
}

.order-book__row:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.order-book__price {
  position: relative;
  z-index: 1;
}

.order-book__price--ask {
  color: var(--color-danger);
}

.order-book__price--bid {
  color: var(--color-success);
}

.order-book__amount,
.order-book__total {
  position: relative;
  z-index: 1;
  text-align: right;
  color: var(--color-text-secondary);
}

/* Depth bar background */
.order-book__depth {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  pointer-events: none;
  z-index: 0;
  background-color: rgba(239, 68, 68, 0.06);
}

.order-book__depth--bid {
  background-color: rgba(0, 229, 160, 0.06);
}

/* Spread */
.order-book__spread {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background-color: var(--color-bg-tertiary);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

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

.order-book__spread-value {
  color: var(--color-text-secondary);
  font-weight: var(--weight-medium);
}

/* --- Trade Form Tabs (Buy/Sell) --- */
.trade-form__tabs {
  display: flex;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
  margin-bottom: var(--space-5);
}

.trade-form__tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-tertiary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: none;
}

.trade-form__tab:hover {
  color: var(--color-text-secondary);
}

.trade-form__tab--active.trade-form__tab--buy {
  color: var(--color-bg-deepest);
  background-color: var(--color-primary);
  box-shadow: var(--glow-green-sm);
}

.trade-form__tab--active.trade-form__tab--sell {
  color: #fff;
  background-color: var(--color-danger);
  box-shadow: var(--glow-red);
}

/* --- Trade Form Order Type Buttons --- */
.trade-form__order-type {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.trade-form__type-btn {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-tertiary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: none;
  border: none;
}

.trade-form__type-btn:hover {
  color: var(--color-text-secondary);
}

.trade-form__type-btn--active {
  color: var(--color-text-primary);
  background-color: var(--color-bg-hover);
}

/* --- Trade Form Quick Percentage Buttons --- */
.trade-form__quick-pct {
  display: flex;
  gap: var(--space-2);
}

.trade-form__quick-pct .btn {
  flex: 1;
  text-align: center;
  justify-content: center;
}

@media (max-width: 1024px) {
  .trade-layout {
    grid-template-columns: 1fr;
  }
  .trade-form {
    position: static;
  }
  .pair-selector__stats {
    margin-left: 0;
    flex-basis: 100%;
  }
}

@media (max-width: 640px) {
  .orderbook--split {
    grid-template-columns: 1fr;
  }
}


/* =======================================================================
   4. TRANSACTIONS PAGE
   ======================================================================= */

/* --- Filter Bar --- */
.tx-filters {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.tx-filters__select {
  width: auto;
  min-width: 140px;
}

.tx-filters__date {
  width: auto;
  min-width: 140px;
}

/* --- Transaction Table --- */
.tx-table {
  margin-bottom: var(--space-6);
}

.tx-table .data-table td {
  padding: var(--space-4);
}

/* Transaction hash */
.tx-hash {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  cursor: pointer;
}

.tx-hash:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

/* Address cell */
.tx-address {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Amount with type indicator */
.tx-amount {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tx-amount__value {
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
}

.tx-amount--sent .tx-amount__value    { color: var(--color-danger); }
.tx-amount--sent .tx-amount__value::before { content: '-'; }

.tx-amount--received .tx-amount__value { color: var(--color-success); }
.tx-amount--received .tx-amount__value::before { content: '+'; }

.tx-amount__usd {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Timestamp */
.tx-time {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.tx-time__relative {
  display: block;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Transaction type icon */
.tx-type-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.tx-type-icon--send {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
}

.tx-type-icon--receive {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

.tx-type-icon--swap {
  background-color: var(--color-info-bg);
  color: var(--color-info);
}

.tx-type-icon--contract {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
}

/* Pagination row */
.tx-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.tx-pagination__info {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

/* Transaction details (expandable row) */
.tx-details {
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-bg-tertiary);
  border-top: 1px solid var(--color-border-subtle);
}

.tx-details__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.tx-details__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tx-details__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.tx-details__value {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --- TX Filters Group (HTML wrapper) --- */
.tx-filters__group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  width: 100%;
}

/* --- TX Filters Search (with inline SVG icon) --- */
.tx-filters__search {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.tx-filters__search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  pointer-events: none;
  z-index: 1;
}

.tx-filters__search .form-input {
  padding-left: var(--space-10);
}

/* --- TX Table Wrapper --- */
.tx-table-wrapper {
  overflow: hidden;
}

.tx-table-scroll {
  overflow-x: auto;
}

/* --- TX Table (HTML uses .tx-table directly) --- */
.tx-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.tx-table th {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.tx-table td {
  font-size: var(--text-sm);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  vertical-align: middle;
}

.tx-table tbody tr {
  transition: background-color var(--transition-fast);
}

.tx-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.tx-table tbody tr:last-child td {
  border-bottom: none;
}

/* Pagination spacing in transactions */
.tx-table-wrapper .pagination {
  justify-content: center;
  padding: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

@media (max-width: 768px) {
  .tx-filters {
    flex-direction: column;
    align-items: stretch;
  }
  .tx-filters__group {
    flex-direction: column;
    align-items: stretch;
  }
  .tx-filters__search {
    min-width: 100%;
  }
  .tx-filters__select,
  .tx-filters__date {
    min-width: 100%;
  }
}


/* =======================================================================
   5. SETTINGS PAGE
   ======================================================================= */

/* --- Settings Layout --- */
.settings-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-6);
}

/* Settings Navigation */
.settings-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  position: sticky;
  top: calc(var(--topbar-height) + var(--space-6));
}

.settings-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-tertiary);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.settings-nav__link:hover {
  color: var(--color-text-secondary);
  background-color: rgba(255, 255, 255, 0.03);
}

.settings-nav__link.active {
  color: var(--color-primary);
  background-color: var(--color-primary-ghost);
}

.settings-nav__link-icon {
  font-size: var(--text-base);
  width: 20px;
  text-align: center;
}

/* Settings Sections */
.settings-section {
  margin-bottom: var(--space-8);
}

.settings-section__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.settings-section__desc {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-5);
}

/* Settings Row (label + control) */
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.settings-row:last-child {
  border-bottom: none;
}

.settings-row__info {
  flex: 1;
  min-width: 0;
}

.settings-row__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
}

.settings-row__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.settings-row__control {
  flex-shrink: 0;
}

/* --- Security Section --- */
.security-2fa {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.security-2fa__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.security-2fa__info {
  flex: 1;
}

.security-2fa__title {
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

.security-2fa__status {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

/* Session management */
.session-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.session-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}

.session-item--current {
  border-color: var(--color-success-border);
}

.session-item__icon {
  font-size: var(--text-xl);
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.session-item__info {
  flex: 1;
  min-width: 0;
}

.session-item__device {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
}

.session-item__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.session-item__current-badge {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-success);
  background-color: var(--color-success-bg);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* --- API Keys Section --- */
.api-keys-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.api-key-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}

.api-key-item__info {
  flex: 1;
  min-width: 0;
}

.api-key-item__name {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
}

.api-key-item__key {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 4px;
  letter-spacing: var(--tracking-wide);
}

.api-key-item__key--masked {
  letter-spacing: 3px;
}

.api-key-item__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
}

.api-key-item__actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* --- Preferences Section --- */
.preference-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
}

.preference-card {
  padding: var(--space-5);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}

.preference-card__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

/* Theme selector grid */
.theme-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.theme-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-option:hover {
  border-color: var(--color-border-strong);
}

.theme-option.active {
  border-color: var(--color-primary);
  background-color: var(--color-primary-ghost);
}

.theme-option__preview {
  width: 100%;
  height: 32px;
  border-radius: var(--radius-xs);
}

.theme-option__preview--dark  { background: linear-gradient(135deg, #0a0e17, #141925); }
.theme-option__preview--light { background: linear-gradient(135deg, #f0f2f5, #ffffff); }
.theme-option__preview--auto  { background: linear-gradient(135deg, #0a0e17 50%, #f0f2f5 50%); }

.theme-option__label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* Notification preferences */
.notification-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.notification-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.notification-item:last-child {
  border-bottom: none;
}

.notification-item__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --- Danger Zone (Settings) --- */
.settings-danger {
  margin-top: var(--space-8);
}

.settings-danger .danger-zone__actions {
  flex-wrap: wrap;
}

/* --- Settings Grid (HTML uses settings-grid instead of settings-layout) --- */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

/* --- Settings Card --- */
.settings-card {
  overflow: hidden;
}

.settings-card--danger {
  border-color: var(--color-danger-border);
}

.settings-card__footer {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-subtle);
}

/* --- Settings Row Description (HTML uses __description, CSS had __desc) --- */
.settings-row__description {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* --- Settings Row Danger Variant --- */
.settings-row--danger {
  border-bottom-color: var(--color-danger-border);
}

/* --- API Key Row (HTML uses api-key-row, CSS had api-key-item) --- */
.api-key-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
}

.api-key-row__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.api-key-row__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
}

.api-key-row__key {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  letter-spacing: 3px;
}

.api-key-row__date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.api-key-row__actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .settings-layout {
    grid-template-columns: 1fr;
  }
  .settings-nav {
    flex-direction: row;
    overflow-x: auto;
    position: static;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border-subtle);
    margin-bottom: var(--space-4);
  }
  .settings-nav__link {
    white-space: nowrap;
  }
  .settings-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  .preference-grid {
    grid-template-columns: 1fr;
  }
  .api-key-row {
    flex-direction: column;
    align-items: flex-start;
  }
}