:root {
  --bg-app: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8FAFC;
  --border-color: #E2E8F0;
  --border-hover: #CBD5E1;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --brand-blue: #0284C7;
  --brand-blue-hover: #0369A1;
  --brand-blue-bg: #E0F2FE;
  --brand-amber: #D97706;
  --brand-amber-hover: #B45309;
  --brand-amber-bg: #FEF3C7;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 12px 24px -4px rgba(15, 23, 42, 0.10), 0 4px 8px -2px rgba(15, 23, 42, 0.04);
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  background-color: var(--bg-app);
  -webkit-font-smoothing: antialiased;
}

.hub-root {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* Header Bar */
.hub-header {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}

.hub-brand-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.hub-brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.hub-brand-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hub-header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hub-clock {
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  background: #F8FAFC;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  letter-spacing: 0.02em;
}

.hub-chip-btn {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 5px 11px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}

.hub-chip-btn:hover {
  background: #F8FAFC;
  border-color: var(--border-hover);
}

/* Main Canvas: Centered 2-Button Grid */
.hub-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}

.hub-actions-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px;
  width: 100%;
  max-width: 1080px;
}

/* Action Buttons */
.hub-action-btn {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  min-height: 84px;
}

.hub-btn-content {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hub-btn-icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.hub-btn-label {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hub-btn-arrow {
  color: var(--text-muted);
  transition: transform 0.2s ease, color 0.2s ease;
  display: flex;
  align-items: center;
}

/* Button 1: Trade Mate Specific */
.btn-trade-mate .hub-btn-icon-wrap {
  background: var(--brand-blue-bg);
  color: var(--brand-blue);
}

.btn-trade-mate:hover {
  border-color: var(--brand-blue);
  box-shadow: 0 12px 24px -4px rgba(2, 132, 199, 0.15);
  transform: translateY(-2px);
}

.btn-trade-mate:hover .hub-btn-icon-wrap {
  transform: scale(1.05);
}

.btn-trade-mate:hover .hub-btn-arrow {
  color: var(--brand-blue);
  transform: translateX(3px);
}

/* Button 2: TradePlay Specific */
.btn-trade-play .hub-btn-icon-wrap {
  background: var(--brand-amber-bg);
  color: var(--brand-amber);
}

.btn-trade-play:hover {
  border-color: var(--brand-amber);
  box-shadow: 0 12px 24px -4px rgba(217, 119, 6, 0.15);
  transform: translateY(-2px);
}

.btn-trade-play:hover .hub-btn-icon-wrap {
  transform: scale(1.05);
}

.btn-trade-play:hover .hub-btn-arrow {
  color: var(--brand-amber);
  transform: translateX(3px);
}

/* Button 3: Commodity Specific */
.btn-commodity .hub-btn-icon-wrap {
  background: #DCFCE7;
  color: #059669;
}

.btn-commodity:hover {
  border-color: #059669;
  box-shadow: 0 12px 24px -4px rgba(5, 150, 105, 0.15);
  transform: translateY(-2px);
}

.btn-commodity:hover .hub-btn-icon-wrap {
  transform: scale(1.05);
}

.btn-commodity:hover .hub-btn-arrow {
  color: #059669;
  transform: translateX(3px);
}

/* Button 4: Brokers Specific */
.btn-brokers .hub-btn-icon-wrap {
  background: #EEF2FF;
  color: #4F46E5;
}

.btn-brokers:hover {
  border-color: #4F46E5;
  box-shadow: 0 12px 24px -4px rgba(79, 70, 229, 0.15);
  transform: translateY(-2px);
}

.btn-brokers:hover .hub-btn-icon-wrap {
  transform: scale(1.05);
}

.btn-brokers:hover .hub-btn-arrow {
  color: #4F46E5;
  transform: translateX(3px);
}

/* Button 5: Credit Spreads Specific */
.btn-credit-spreads .hub-btn-icon-wrap {
  background: #EDE9FE;
  color: #7C3AED;
}

.btn-credit-spreads:hover {
  border-color: #7C3AED;
  box-shadow: 0 12px 24px -4px rgba(124, 58, 237, 0.15);
  transform: translateY(-2px);
}

.btn-credit-spreads:hover .hub-btn-icon-wrap {
  transform: scale(1.05);
}

.btn-credit-spreads:hover .hub-btn-arrow {
  color: #7C3AED;
  transform: translateX(3px);
}

/* Button 6: Momentify Specific */
.btn-momentify .hub-btn-icon-wrap {
  background: #E0F2FE;
  color: #0284C7;
}

.btn-momentify:hover {
  border-color: #0284C7;
  box-shadow: 0 12px 24px -4px rgba(2, 132, 199, 0.15);
  transform: translateY(-2px);
}

.btn-momentify:hover .hub-btn-icon-wrap {
  transform: scale(1.05);
}

.btn-momentify:hover .hub-btn-arrow {
  color: #0284C7;
  transform: translateX(3px);
}

/* Button: Options Specific */
.btn-options .hub-btn-icon-wrap {
  background: #EDE9FE;
  color: #7C3AED;
}

.btn-options:hover {
  border-color: #7C3AED;
  box-shadow: 0 12px 24px -4px rgba(124, 58, 237, 0.15);
  transform: translateY(-2px);
}

.btn-options:hover .hub-btn-icon-wrap {
  transform: scale(1.05);
}

.btn-options:hover .hub-btn-arrow {
  color: #7C3AED;
  transform: translateX(3px);
}

/* Button: MPulse Specific */
.btn-mpulse .hub-btn-icon-wrap {
  background: #EEF2FF;
  color: #4F46E5;
}

.btn-mpulse:hover {
  border-color: #4F46E5;
  box-shadow: 0 12px 24px -4px rgba(79, 70, 229, 0.15);
  transform: translateY(-2px);
}

.btn-mpulse:hover .hub-btn-icon-wrap {
  transform: scale(1.05);
}

.btn-mpulse:hover .hub-btn-arrow {
  color: #4F46E5;
  transform: translateX(3px);
}

/* Active Press State */
.hub-action-btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Mobile Responsiveness */
@media (max-width: 820px) {
  .hub-actions-container {
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 420px;
  }
}

@media (max-width: 640px) {
  .hub-header {
    padding: 0 16px;
    height: 52px;
  }

  .hub-clock {
    display: none;
  }

  .hub-main {
    align-items: flex-start;
    padding: 16px 16px 32px;
  }

  .hub-actions-container {
    grid-template-columns: 1fr;
    gap: 14px;
    max-width: 100%;
  }

  .hub-action-btn {
    padding: 18px 18px;
    min-height: 72px;
  }

  .hub-btn-label {
    font-size: 17px;
  }
}

/* ==============================================================================
   LOGIN GATE / SECURITY OVERLAY
   ============================================================================== */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 20px;
}

.login-card {
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  width: 100%;
  max-width: 400px;
  padding: 32px;
  animation: fadeInCard 0.25s ease-out;
}

@keyframes fadeInCard {
  from {
    opacity: 0;
    transform: translateY(-12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 24px;
}

.login-icon {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.login-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 4px;
}

.login-header p {
  font-size: 0.85rem;
  color: #64748b;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrapper .text-input {
  width: 100%;
  padding: 10px 40px 10px 12px;
  font-size: 0.95rem;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #ffffff;
  color: #0f172a;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.password-input-wrapper .text-input:focus {
  border-color: #0284C7;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.btn-toggle-pwd {
  position: absolute;
  right: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
  color: #64748b;
}

.btn-toggle-pwd:hover {
  color: #1e293b;
}

.login-error {
  background-color: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.btn-login-submit {
  width: 100%;
  padding: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  background-color: #0284C7;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn-login-submit:hover {
  background-color: #0369A1;
}

.btn-login-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}