.icon-btn {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.icon-btn svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.nav-btn {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.nav-btn.active {
  background: rgba(163, 107, 255, 0.15);
  color: var(--text);
  border-color: rgba(163, 107, 255, 0.35);
}

@media (prefers-color-scheme: light) {
  .nav-btn.active {
    background: rgba(255, 0, 110, 0.1);
    border-color: rgba(255, 0, 110, 0.6);
    color: var(--text);
    box-shadow: 0 0 12px rgba(255, 0, 110, 0.25);
  }
}

.primary-btn {
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0b14;
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(109, 60, 255, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

@media (prefers-color-scheme: light) {
  .primary-btn {
    color: #ffffff;
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.6), 0 0 40px rgba(255, 0, 110, 0.3), 0 10px 26px rgba(255, 0, 110, 0.25);
  }

  .primary-btn:hover {
    box-shadow: 0 0 30px rgba(255, 0, 110, 0.8), 0 0 50px rgba(255, 0, 110, 0.4), 0 14px 32px rgba(255, 0, 110, 0.35);
  }
}

.secondary-btn,
.ghost-btn {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

@media (prefers-color-scheme: light) {
  .secondary-btn:hover,
  .ghost-btn:hover {
    border-color: rgba(255, 0, 110, 0.5);
    box-shadow: 0 0 12px rgba(255, 0, 110, 0.2);
  }
}

.auth-btn {
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
  border: 1px solid transparent;
  color: #0b0b14;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.auth-signin {
  background: linear-gradient(135deg, #36d38b, #00b86b);
  box-shadow: 0 10px 26px rgba(0, 184, 107, 0.25);
}

.auth-signout {
  background: linear-gradient(135deg, #ff6b6b, #e44848);
  box-shadow: 0 10px 26px rgba(255, 107, 107, 0.25);
}

@media (prefers-color-scheme: light) {
  .auth-signin {
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.5), 0 0 40px rgba(0, 217, 255, 0.25), 0 10px 26px rgba(0, 217, 255, 0.25);
  }

  .auth-signin:hover {
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.7), 0 0 50px rgba(0, 217, 255, 0.35), 0 14px 32px rgba(0, 217, 255, 0.35);
  }

  .auth-signout {
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.5), 0 0 40px rgba(255, 0, 110, 0.25), 0 10px 26px rgba(255, 0, 110, 0.25);
  }

  .auth-signout:hover {
    box-shadow: 0 0 30px rgba(255, 0, 110, 0.7), 0 0 50px rgba(255, 0, 110, 0.35), 0 14px 32px rgba(255, 0, 110, 0.35);
  }
}

.pill-btn {
  border: 1px solid rgba(163, 107, 255, 0.55);
  background: rgba(163, 107, 255, 0.16);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

@media (prefers-color-scheme: light) {
  .pill-btn {
    border-color: rgba(255, 0, 110, 0.4);
    background: rgba(255, 0, 110, 0.08);
  }

  .pill-btn:hover {
    border-color: rgba(255, 0, 110, 0.7);
    box-shadow: 0 0 12px rgba(255, 0, 110, 0.25);
  }
}

.muted-btn {
  border: 1px solid rgba(164, 164, 196, 0.35);
  background: rgba(164, 164, 196, 0.1);
  color: var(--muted);
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

@media (prefers-color-scheme: light) {
  .muted-btn {
    color: var(--text);
    border-color: rgba(0, 217, 255, 0.3);
    background: rgba(0, 217, 255, 0.08);
  }

  .muted-btn:hover {
    border-color: rgba(0, 217, 255, 0.6);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.2);
  }
}

.icon-btn:hover,
.secondary-btn:hover,
.ghost-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(163, 107, 255, 0.4);
}

@media (prefers-color-scheme: light) {
  .icon-btn:hover,
  .secondary-btn:hover,
  .ghost-btn:hover {
    border-color: rgba(255, 0, 110, 0.5);
  }
}

.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(109, 60, 255, 0.35);
}

.pill-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(163, 107, 255, 0.9);
  box-shadow: 0 8px 20px rgba(109, 60, 255, 0.2);
}

.muted-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(164, 164, 196, 0.6);
  color: var(--text);
}

.auth-btn:hover {
  transform: translateY(-1px);
}

/* Light mode overrides */
html.light-mode {
  .nav-btn.active {
    background: rgba(255, 0, 128, 0.15);
    border-color: rgba(255, 0, 128, 0.7);
    color: var(--text);
    box-shadow: 0 0 30px rgba(255, 0, 128, 0.67);
  }

  .primary-btn {
    color: #ffffff;
    box-shadow: 0 0 47px rgba(255, 0, 128, 1), 0 0 94px rgba(255, 0, 128, 0.85), 0 10px 44px rgba(255, 0, 128, 0.67);
  }

  .primary-btn:hover {
    box-shadow: 0 0 67px rgba(255, 0, 128, 1), 0 0 135px rgba(255, 0, 128, 1), 0 14px 54px rgba(255, 0, 128, 0.85);
  }

  .secondary-btn:hover,
  .ghost-btn:hover {
    border-color: rgba(255, 0, 128, 0.7);
    box-shadow: 0 0 30px rgba(255, 0, 128, 0.59);
  }

  .auth-signin {
    box-shadow: 0 0 47px rgba(0, 229, 255, 1), 0 0 94px rgba(0, 229, 255, 0.67), 0 10px 44px rgba(0, 229, 255, 0.59);
  }

  .auth-signin:hover {
    box-shadow: 0 0 67px rgba(0, 229, 255, 1), 0 0 135px rgba(0, 229, 255, 0.85), 0 14px 54px rgba(0, 229, 255, 0.76);
  }

  .auth-signout {
    box-shadow: 0 0 47px rgba(255, 0, 128, 1), 0 0 94px rgba(255, 0, 128, 0.67), 0 10px 44px rgba(255, 0, 128, 0.59);
  }

  .auth-signout:hover {
    box-shadow: 0 0 67px rgba(255, 0, 128, 1), 0 0 135px rgba(255, 0, 128, 0.85), 0 14px 54px rgba(255, 0, 128, 0.76);
  }

  .pill-btn {
    border-color: rgba(255, 0, 128, 0.85);
    background: rgba(255, 0, 128, 0.2);
  }

  .pill-btn:hover {
    border-color: rgba(255, 0, 128, 1);
    box-shadow: 0 0 30px rgba(255, 0, 128, 0.67);
  }

  .muted-btn {
    color: var(--text);
    border-color: rgba(0, 229, 255, 0.85);
    background: rgba(0, 229, 255, 0.2);
  }

  .muted-btn:hover {
    border-color: rgba(0, 229, 255, 1);
    box-shadow: 0 0 27px rgba(0, 229, 255, 0.59);
  }

  .icon-btn:hover,
  .secondary-btn:hover,
  .ghost-btn:hover {
    border-color: rgba(255, 0, 128, 1);
  }
}