/* ============================================================
   NEXUSX PRO v6.0 — Imperial Design System
   ============================================================ */
:root {
  --bg-primary: #0a0e17;
  --bg-card: #131b2e;
  --border-color: #1e293b;
  --gold: #d4af37;
  --gold-light: #f9d976;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --accent-green: #4ade80;
  --accent-red: #f87171;
  --accent-blue: #60a5fa;
}

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

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

/* Particles */
#particles { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0.3;
  animation: float 8s infinite ease-in-out;
}
@keyframes float {
  0%,100%{ transform: translateY(0) translateX(0); opacity:0.1; }
  50%{ transform: translateY(-40vh) translateX(20px); opacity:0.4; }
}

/* Scanlines */
.scanlines {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.15) 2px, rgba(0,0,0,0.15) 4px);
}

/* Splash */
#splash {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg-primary);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  transition: opacity 1s ease;
}
#splash.hidden { opacity: 0; pointer-events: none; }
.splash-logo {
  width: 100px; height: 100px; border-radius: 28px;
  background: linear-gradient(145deg, var(--gold), var(--gold-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem; font-weight: 900; color: var(--bg-primary);
  box-shadow: 0 0 60px rgba(212,175,55,0.3);
  animation: pulseGlow 2s ease-in-out infinite alternate;
}
@keyframes pulseGlow {
  0%{ box-shadow: 0 0 40px rgba(212,175,55,0.2); transform: scale(1); }
  100%{ box-shadow: 0 0 80px rgba(212,175,55,0.5); transform: scale(1.05); }
}
.splash-title {
  margin-top: 1.5rem; font-size: 1.8rem; font-weight: 800;
  letter-spacing: 0.15em;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.splash-sub { margin-top: 0.3rem; font-size: 0.75rem; color: var(--text-secondary); letter-spacing: 0.3em; text-transform: uppercase; }
.splash-rates { display: flex; gap: 1.5rem; margin-top: 2rem; font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--text-secondary); }
.splash-rates span { color: var(--gold); }
.splash-progress { margin-top: 2rem; width: 200px; height: 2px; background: var(--border-color); border-radius: 2px; overflow: hidden; }
.splash-progress-bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--gold), var(--gold-light)); border-radius: 2px; transition: width 0.3s ease; }
.splash-greeting { margin-top: 1rem; font-size: 0.65rem; color: var(--text-secondary); font-family: 'JetBrains Mono', monospace; }

/* Login */
#loginScreen {
  position: fixed; inset: 0; z-index: 9000;
  background: var(--bg-primary);
  display: none; flex-direction: column;
  align-items: center; justify-content: center; padding: 1rem;
}
#loginScreen.active { display: flex; }
.login-box {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: 2rem; padding: 2.5rem; max-width: 420px; width: 100%;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6); text-align: center;
}
.login-box h2 {
  font-size: 1.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}
.login-box p { font-size: 0.7rem; color: var(--text-secondary); margin-bottom: 2rem; }
.login-mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.5rem; }
.login-mode-btn {
  background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: 1rem; padding: 1.5rem 1rem; cursor: pointer;
  transition: all 0.3s; text-align: center;
}
.login-mode-btn:hover { border-color: var(--gold); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,175,55,0.1); }
.login-mode-btn.selected { border-color: var(--gold); background: rgba(212,175,55,0.05); box-shadow: 0 0 20px rgba(212,175,55,0.1); }
.login-mode-btn i { font-size: 1.5rem; margin-bottom: 0.5rem; display: block; }
.login-mode-btn.master i { color: var(--gold); }
.login-mode-btn.guest i { color: var(--accent-blue); }
.login-mode-btn .mode-title { font-size: 0.8rem; font-weight: 700; color: var(--text-primary); }

/* Password input (8 char) */
.password-input {
  width: 100%; background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: 0.75rem; padding: 0.75rem 1rem; color: var(--text-primary);
  font-size: 0.85rem; outline: none; font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.1em; text-align: center; margin-bottom: 1rem;
}
.password-input:focus { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(212,175,55,0.1); }
.password-hint { font-size: 0.6rem; color: var(--text-secondary); margin-bottom: 1rem; }

/* Buttons */
.btn-primary {
  width: 100%; padding: 0.75rem;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--bg-primary); font-weight: 700; border: none;
  border-radius: 0.75rem; cursor: pointer; font-size: 0.8rem;
  transition: transform 0.2s;
}
.btn-primary:hover { transform: scale(1.02); }
.btn-secondary {
  background: transparent; border: 1px solid var(--border-color);
  color: var(--text-secondary); font-size: 0.65rem;
  padding: 0.5rem 1rem; border-radius: 0.5rem; cursor: pointer;
  transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); }

/* Error / Success */
.msg-error { color: var(--accent-red); font-size: 0.7rem; margin-top: 0.75rem; min-height: 1rem; }
.msg-success { color: var(--accent-green); font-size: 0.7rem; margin-top: 0.75rem; }

/* App */
#app { display: none; opacity: 0; transition: opacity 0.8s ease; position: relative; z-index: 2; }
#app.visible { display: block; opacity: 1; }
.glass-card {
  background: rgba(19, 27, 46, 0.7); backdrop-filter: blur(12px);
  border: 1px solid var(--border-color); border-radius: 1.5rem;
  padding: 1.5rem; box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.glow-gold { box-shadow: 0 0 30px rgba(212,175,55,0.08); }

/* Header */
header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(19,27,46,0.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color); padding: 0.75rem 1rem;
}

/* Ticker */
.ticker-tape {
  background: rgba(15,23,42,0.8); border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color); padding: 0.35rem 0.75rem;
  font-size: 0.7rem; color: var(--text-secondary); overflow: hidden;
  white-space: nowrap; display: flex; align-items: center; gap: 1rem;
}
.ticker-content { display: inline-block; animation: scrollTicker 50s linear infinite; }
@keyframes scrollTicker { 0%{ transform: translateX(100%); } 100%{ transform: translateX(-100%); } }
.mood-bullish { color: var(--accent-green); }
.mood-neutral { color: #fbbf24; }
.mood-bearish { color: var(--accent-red); }

/* Transfer Modal */
.transfer-modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.9);
  backdrop-filter: blur(16px); z-index: 300; display: none;
  align-items: center; justify-content: center; padding: 1rem;
}
.transfer-modal.open { display: flex; }
.modal-box {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: 2rem; padding: 2rem; max-width: 400px; width: 100%;
  text-align: center; box-shadow: 0 24px 64px rgba(0,0,0,0.8);
}
.progress-ring { width: 100px; height: 100px; margin: 1rem auto; position: relative; }
.progress-ring svg { transform: rotate(-90deg); }
.progress-ring .bg { fill: none; stroke: var(--border-color); stroke-width: 6; }
.progress-ring .fg { fill: none; stroke: var(--gold); stroke-width: 6; stroke-linecap: round; transition: stroke-dasharray 0.5s ease; }
.progress-ring .percent { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; color: var(--gold); font-family: 'JetBrains Mono', monospace; }

/* Chat */
#chatToggle {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--bg-primary); border: none; font-size: 1.5rem;
  box-shadow: 0 4px 24px rgba(212,175,55,0.4); cursor: pointer;
  z-index: 100; transition: transform 0.2s;
  display: none; align-items: center; justify-content: center;
}
#chatToggle:hover { transform: scale(1.08); }
#chatWindow {
  position: fixed; bottom: 5.5rem; right: 1.5rem;
  width: 400px; max-height: 550px; background: var(--bg-card);
  border: 1px solid var(--border-color); border-radius: 1.5rem;
  padding: 1rem; box-shadow: 0 16px 56px rgba(0,0,0,0.7);
  display: none; flex-direction: column; z-index: 101;
  backdrop-filter: blur(20px);
}
#chatWindow.open { display: flex; }
#chatMessages {
  flex: 1; overflow-y: auto; max-height: 360px;
  font-size: 0.75rem; line-height: 1.5;
  display: flex; flex-direction: column; gap: 0.5rem; padding-right: 0.25rem;
}
#chatMessages .user { color: var(--gold); text-align: right; background: rgba(212,175,55,0.05); padding: 0.5rem 0.75rem; border-radius: 1rem 1rem 0.25rem 1rem; margin-left: 2rem; }
#chatMessages .ai { color: var(--text-secondary); text-align: left; background: rgba(148,163,184,0.05); padding: 0.5rem 0.75rem; border-radius: 1rem 1rem 1rem 0.25rem; margin-right: 2rem; }
#chatInput {
  background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: 2rem; padding: 0.6rem 1rem; color: var(--text-primary);
  font-size: 0.75rem; outline: none; margin-top: 0.5rem; width: 100%;
}
#chatInput:focus { border-color: var(--gold); }

/* Components */
.currency-btn {
  background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: 0.5rem; padding: 0.25rem 0.5rem; font-size: 0.65rem;
  color: var(--text-secondary); cursor: pointer; transition: all 0.2s;
}
.currency-btn:hover, .currency-btn.active { border-color: var(--gold); color: var(--gold); background: rgba(212,175,55,0.05); }
.daily-interest-badge { font-size: 0.6rem; color: var(--accent-green); background: rgba(74,222,128,0.1); padding: 0.1rem 0.5rem; border-radius: 0.5rem; border: 1px solid rgba(74,222,128,0.2); }
.tx-badge { font-size: 0.6rem; padding: 0.1rem 0.4rem; border-radius: 0.5rem; }
.tx-badge.completed { color: var(--accent-green); background: rgba(74,222,128,0.1); border: 1px solid rgba(74,222,128,0.2); }
.tx-badge.pending { color: #fbbf24; background: rgba(251,191,36,0.1); border: 1px solid rgba(251,191,36,0.2); }

/* Custom Modal (replaces alert) */
.custom-modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px); z-index: 400; display: none;
  align-items: center; justify-content: center; padding: 1rem;
}
.custom-modal.open { display: flex; }
.custom-modal-box {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: 1.5rem; padding: 1.5rem; max-width: 360px; width: 100%;
  text-align: center;
}
.custom-modal-box h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-primary); }
.custom-modal-box p { font-size: 0.75rem; color: var(--text-secondary); margin-bottom: 1rem; }

/* Toast */
.toast-notification {
  position: fixed; top: 1rem; left: 50%; transform: translateX(-50%);
  background: rgba(74,222,128,0.95); color: #000;
  padding: 0.75rem 1.5rem; border-radius: 1rem;
  font-size: 0.8rem; font-weight: 700; z-index: 500;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  animation: toastIn 0.3s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* User list */
.user-list-item { display: flex; justify-content: space-between; align-items: center; padding: 0.5rem; border-bottom: 1px solid var(--border-color); font-size: 0.75rem; }
.user-list-item .pin-code { font-family: 'JetBrains Mono', monospace; background: var(--bg-primary); padding: 0.15rem 0.5rem; border-radius: 0.5rem; color: var(--gold); }

/* Reset button */
.reset-ui-btn { background: rgba(248,113,113,0.1); border: 1px solid rgba(248,113,113,0.3); color: var(--accent-red); padding: 0.4rem 0.8rem; border-radius: 0.5rem; font-size: 0.65rem; cursor: pointer; transition: all 0.2s; }
.reset-ui-btn:hover { background: rgba(248,113,113,0.2); }

/* Footer */
footer { border-top: 1px solid var(--border-color); padding: 0.75rem; text-align: center; font-size: 0.65rem; color: var(--text-secondary); background: rgba(19,27,46,0.4); }

/* Responsive */
@media (max-width: 640px) {
  .login-box { padding: 1.5rem; }
  .login-mode-grid { grid-template-columns: 1fr; }
  #chatWindow { width: calc(100vw - 2rem); right: 1rem; bottom: 5rem; }
  .splash-rates { gap: 0.8rem; font-size: 0.6rem; }
}