/* ════════════════════════════════════════
   FUTURE AI HUB — SHARED STYLES (REDESIGNED)
════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Exo+2:wght@300;400;500;600;700;800&display=swap');

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

:root {
  --cyan: #00b4ff;
  --cyan-dim: #0088cc;
  --cyan-glow: #00aaff33;
  --bg: #060a10;
  --surface: #0b1220;
  --surface2: #0e1828;
  --border: #0d2a44;
  --border-cyan: #00aaff33;
  --text: #e8f4ff;
  --text-muted: #5a8aaa;
  --sold-bg: #1a1a1a88;
  --sold-text: #55555599;
  --nav-h: 62px;
}

html, body {
  height: 100%;
  font-family: 'Exo 2', 'Rajdhani', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* ── ANIMATED DOT BACKGROUND ── */
.dot-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: #000;
}
.dot-bg canvas {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
}

/* ── APP BAR ── */
.app-bar {
  position: sticky; top: 0; z-index: 40;
  background: #07101aee;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  min-height: 50px;
}
.app-bar-title { font-size: 18px; font-weight: 800; color: #fff; letter-spacing: 0.5px; }
.app-bar-bell { display: flex; flex-direction: column; align-items: center; cursor: pointer; gap: 1px; }
.bell-icon { font-size: 20px; line-height: 1; }
.bell-label { font-size: 9px; color: #aaa; letter-spacing: 0.3px; }
.back-btn {
  font-size: 28px; cursor: pointer; color: #fff;
  padding-right: 10px; line-height: 1; font-weight: 300;
  text-decoration: none;
}

/* ── BOTTOM NAV ── */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 100%; max-width: 430px;
  background: #07101af2;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 50;
  height: var(--nav-h);
}
.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 0 6px;
  cursor: pointer;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  gap: 3px;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  letter-spacing: 0.3px;
  transition: color 0.2s;
}
.nav-item.active { color: var(--cyan); }
.nav-icon {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
}
.nav-icon svg { width: 22px; height: 22px; fill: currentColor; }

/* ── SCROLL AREA ── */
.scroll-area {
  flex: 1;
  overflow-y: auto;
  padding-bottom: calc(var(--nav-h) + 4px);
  -webkit-overflow-scrolling: touch;
  position: relative; z-index: 1;
}
.scroll-area::-webkit-scrollbar { width: 2px; }
.scroll-area::-webkit-scrollbar-thumb { background: var(--cyan-glow); border-radius: 2px; }

/* ── PAGE WRAPPER ── */
.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative; z-index: 2;
}

/* ── TOAST ── */
.toast {
  position: fixed;
  top: 24px; left: 50%;
  transform: translateX(-50%);
  background: var(--cyan);
  color: #fff;
  padding: 11px 22px;
  border-radius: 8px;
  font-size: 13px;
  z-index: 200;
  display: none;
  max-width: 320px;
  text-align: center;
  box-shadow: 0 4px 24px #00aaff44;
  pointer-events: none;
}
.toast.show {
  display: block;
  animation: toastAnim 2.8s ease forwards;
}
@keyframes toastAnim {
  0%   { opacity: 0; transform: translateX(-50%) translateY(-8px); }
  12%  { opacity: 1; transform: translateX(-50%) translateY(0); }
  78%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center; color: #2a4a6a;
  padding: 50px 20px; font-size: 14px;
}
.empty-icon { font-size: 44px; margin-bottom: 12px; }

/* ── MODAL ── */
.modal-bg {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.88);
  z-index: 100; display: none;
  align-items: center; justify-content: center;
  padding: 20px;
}
.modal-bg.open { display: flex; }
.modal {
  background: var(--surface2);
  border: 1px solid var(--border-cyan);
  border-radius: 16px; padding: 24px;
  width: 100%; max-width: 360px;
  display: flex; flex-direction: column; gap: 12px;
}
.modal-title { color: var(--cyan); font-size: 17px; font-weight: 700; }
.modal-sub { color: #6a8aaa; font-size: 13px; }
.modal-highlight { color: var(--cyan); }
.modal-input {
  width: 100%;
  background: #0a1525;
  border: 1px solid #1a3050;
  border-radius: 8px; padding: 12px;
  color: #fff; font-size: 15px; outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}
.modal-input:focus { border-color: var(--cyan); }
.modal-btn {
  width: 100%; padding: 13px;
  background: var(--cyan); border: none;
  border-radius: 8px; color: #fff;
  font-size: 15px; font-weight: 700;
  cursor: pointer; font-family: inherit;
  transition: background 0.2s;
}
.modal-btn:hover { background: var(--cyan-dim); }
.modal-cancel {
  width: 100%; padding: 11px;
  background: transparent; border: 1px solid #1e3a55;
  border-radius: 8px; color: #5a7a99; font-size: 13px;
  cursor: pointer; font-family: inherit;
}
.modal-cancel:hover { border-color: #2a5a7a; }