:root {
  --bg0: #050913;
  --bg1: #070c18;
  --card: rgba(16, 24, 39, 0.72);
  --stroke: rgba(255, 255, 255, 0.08);
  --text: #e7eefc;
  --muted: #9fb0cc;

  --green: #22c55e;
  --green2: #10b981;
  --indigo: #6366f1;
}

body.nk-dark {
  min-height: 100vh;
  background: radial-gradient(
      900px 500px at 50% 0%,
      rgba(34, 197, 94, 0.14),
      transparent 65%
    ),
    radial-gradient(
      700px 500px at 15% 30%,
      rgba(99, 102, 241, 0.12),
      transparent 60%
    ),
    radial-gradient(
      700px 500px at 85% 35%,
      rgba(34, 197, 94, 0.1),
      transparent 60%
    ),
    linear-gradient(180deg, var(--bg1) 0%, var(--bg0) 55%, #040711 100%);
  color: var(--text);
}

.nk-muted {
  color: rgba(159, 176, 204, 0.85) !important;
}

.nk-navbar {
  background: rgba(12, 18, 32, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nk-icon-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
}
.nk-icon-btn:hover {
  background: rgba(255, 255, 255, 0.14);
}

.nk-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nk-logo-ring {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: radial-gradient(
      circle at 50% 50%,
      rgba(34, 197, 94, 0.25),
      rgba(34, 197, 94, 0.05) 55%,
      transparent 70%
    ),
    rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(34, 197, 94, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.08), 0 10px 30px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.nk-logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.45));
}

.nk-brand-title {
  font-weight: 900;
  letter-spacing: 0.2px;
  font-size: 15px;
  line-height: 1.1;
}
.nk-brand-sub {
  font-size: 12px;
  color: rgba(231, 238, 252, 0.7);
  margin-top: 2px;
}

.nk-shell {
  max-width: 980px;
}

.nk-hero-title {
  font-weight: 900;
  letter-spacing: -0.6px;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

.nk-tile {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(16, 24, 39, 0.72);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  min-height: 220px;
}
.nk-tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.nk-tile-talk::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
      500px 300px at 20% 20%,
      rgba(34, 197, 94, 0.22),
      transparent 60%
    ),
    radial-gradient(
      500px 300px at 80% 20%,
      rgba(34, 197, 94, 0.14),
      transparent 55%
    );
  pointer-events: none;
}

.nk-tile-chat::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
      500px 300px at 20% 20%,
      rgba(99, 102, 241, 0.2),
      transparent 60%
    ),
    radial-gradient(
      500px 300px at 80% 20%,
      rgba(34, 197, 94, 0.1),
      transparent 55%
    );
  pointer-events: none;
}

.nk-tile-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(
    180deg,
    rgba(34, 197, 94, 0.25),
    rgba(34, 197, 94, 0.1)
  );
  border: 1px solid rgba(34, 197, 94, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #bff7d0;
  z-index: 1;
}
.nk-tile-chat .nk-tile-icon {
  background: linear-gradient(
    180deg,
    rgba(99, 102, 241, 0.2),
    rgba(99, 102, 241, 0.08)
  );
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #d7d8ff;
}
.nk-tile-icon i {
  font-size: 18px;
}

.nk-corner-btn {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(231, 238, 252, 0.95);
  z-index: 1;
}

.nk-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(34, 197, 94, 0.92),
    rgba(16, 185, 129, 0.86)
  );
  color: #05210f;
  font-weight: 800;
  font-size: 12px;
  box-shadow: 0 10px 22px rgba(34, 197, 94, 0.14);
  z-index: 1;
  position: relative;
}
.nk-chip-blue {
  background: linear-gradient(
    90deg,
    rgba(99, 102, 241, 0.92),
    rgba(79, 70, 229, 0.86)
  );
  color: #0b0d2a;
  box-shadow: 0 10px 22px rgba(99, 102, 241, 0.14);
}

.nk-tile-title {
  font-weight: 900;
  letter-spacing: -0.4px;
  z-index: 1;
  position: relative;
}

.nk-card {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(16, 24, 39, 0.72);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.45);
}

.nk-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 900;
  color: #062113;
  background: linear-gradient(
    180deg,
    rgba(34, 197, 94, 0.95),
    rgba(16, 185, 129, 0.88)
  );
  box-shadow: 0 12px 26px rgba(34, 197, 94, 0.18);
}
.nk-btn-primary:hover {
  filter: brightness(1.03);
}