/* ══════════════════════════════════════════════════════════════
   Auth Page — Special Effects (Orbit Ring, Phone Animation)
   ══════════════════════════════════════════════════════════════ */

/* ── Left panel glow overlay (::after) ───────────────────── */
/* Conic gradient ellipse ở bottom-right */
/* Selector này được bật khi <body> có class .auth-page */
body.auth-page .left::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 0;
  width: 980px;
  height: 520px;
  right: -460px;
  bottom: -116px;
  border-radius: 50%;
  background:
    radial-gradient(
      ellipse at center,
      transparent 45%,
      rgba(73, 161, 255, 0.2) 46%,
      transparent 47.5%,
      transparent 55%,
      rgba(77, 190, 255, 0.26) 56%,
      transparent 57.5%,
      transparent 66%,
      rgba(93, 224, 255, 0.44) 67%,
      transparent 68.4%
    ),
    conic-gradient(
      from 208deg at 50% 50%,
      transparent 0deg,
      transparent 24deg,
      rgba(98, 227, 255, 0.82) 29deg,
      rgba(17, 132, 255, 0.46) 34deg,
      transparent 43deg,
      transparent 360deg
    );
  filter: drop-shadow(0 0 16px rgba(77, 210, 255, 0.34))
    drop-shadow(0 0 34px rgba(7, 93, 255, 0.26));
  transform: rotate(-13deg);
  opacity: 0.92;
}

/* ── Orbit ring ───────────────────────────────────────────── */
.left-bg-orbit {
  position: absolute;
  right: -18%;
  bottom: -28%;
  width: 105%;
  height: 60%;
  border-radius: 50%;
  border-top: 2px solid rgba(111, 221, 255, 0.62);
  border-left: 1px solid rgba(53, 139, 255, 0.34);
  transform: rotate(-17deg);
  filter: drop-shadow(0 0 12px rgba(65, 210, 255, 0.42));
  pointer-events: none;
  z-index: 0;
}
.left-bg-orbit::before,
.left-bg-orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.left-bg-orbit::before {
  inset: 34px 28px -30px 36px;
  border-top: 2px solid rgba(75, 155, 255, 0.42);
  border-left: 1px solid rgba(94, 211, 255, 0.2);
}
.left-bg-orbit::after {
  inset: 72px 64px -62px 82px;
  border-top-color: rgba(118, 238, 255, 0.7);
  filter: drop-shadow(0 0 18px rgba(108, 232, 255, 0.5));
}

/* ── Phone icon animation ─────────────────────────────────── */
.hl-phone {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.3em;
  height: 1.3em;
  background: linear-gradient(135deg, #23a5ff 0%, #084cff 100%);
  border-radius: 0.26em;
  font-size: 0.56em;
  color: #fff;
  flex-shrink: 0;
  box-shadow:
    0 8px 28px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  animation: ring 4.5s ease-in-out 2s infinite;
  transform-origin: center;
}

/* Sóng tròn xung quanh phone icon */
.hl-phone::before,
.hl-phone::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  pointer-events: none;
}
.hl-phone::before {
  inset: -18%;
  border-color: rgba(255, 255, 255, 0.3);
  animation: pulse 2.6s ease-out infinite;
}
.hl-phone::after {
  inset: -36%;
  border-color: rgba(255, 255, 255, 0.18);
  animation: pulse 2.6s ease-out 0.8s infinite;
}

@keyframes pulse {
  0% {
    opacity: 0.9;
    transform: scale(0.85);
  }
  100% {
    opacity: 0;
    transform: scale(1.25);
  }
}

@keyframes ring {
  0%,
  44%,
  100% {
    transform: rotate(0deg);
  }
  49% {
    transform: rotate(-18deg);
  }
  56% {
    transform: rotate(14deg);
  }
  62% {
    transform: rotate(-9deg);
  }
  68% {
    transform: rotate(5deg);
  }
  74% {
    transform: rotate(0deg);
  }
}
