/* ===== รูปทรงร่วมของทั้งสองปุ่ม ===== */
.v-application .appbar .appbar-container .appbar-auth .v-btn:is(
  .btn-signup,
  .btn-signin,
  [data-track="open_dialog_signup"],
  [data-track="open_dialog_signin"]
) {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  box-sizing: border-box;
  height: 44px !important;
  min-height: 44px !important;
  padding: 0 18px !important;
  border-radius: 16px !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  letter-spacing: normal !important;
  text-transform: none !important;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease !important;
}

/* ปิด overlay เดิมของ Vuetify */
.v-application .appbar .appbar-container .appbar-auth .v-btn:is(
  .btn-signup,
  .btn-signin,
  [data-track="open_dialog_signup"],
  [data-track="open_dialog_signin"]
)::before {
  opacity: 0 !important;
}

/* ข้อความอยู่เหนือแสงวิ่ง */
.v-application .appbar .appbar-container .appbar-auth .v-btn:is(
  .btn-signup,
  .btn-signin,
  [data-track="open_dialog_signup"],
  [data-track="open_dialog_signin"]
) .v-btn__content {
  position: relative;
  z-index: 2;
  color: inherit !important;
}

/* ไอคอน ไม่มีเส้นคั่น */
.v-application .appbar .appbar-container .appbar-auth .v-btn:is(
  .btn-signup,
  .btn-signin,
  [data-track="open_dialog_signup"],
  [data-track="open_dialog_signin"]
) .v-icon {
  color: inherit !important;
  font-size: 20px !important;
  border: none !important;
  padding: 0 !important;
  margin-left: 0 !important;
  margin-right: 8px !important;
}

/* ===== สมัครสมาชิก — ทองแชมเปญ เด่นที่สุด ===== */
.v-application .appbar .appbar-container .appbar-auth .v-btn:is(
  .btn-signup,
  [data-track="open_dialog_signup"]
) {
  background: linear-gradient(
    180deg,
    #fff3bc 0%,
    #f9df91 32%,
    #efc968 68%,
    #dfb347 100%
  ) !important;
  border: 2px solid #ffedaa !important;
  color: #123842 !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    inset 0 -1px 0 rgba(139, 94, 15, 0.22),
    0 4px 10px rgba(0, 36, 48, 0.3),
    0 0 16px rgba(249, 216, 128, 0.35) !important;
}

/* แสงวิ่งผ่านทุก 5 วินาที */
.v-application .appbar .appbar-container .appbar-auth .v-btn:is(
  .btn-signup,
  [data-track="open_dialog_signup"]
):not(.v-btn--disabled):not(:disabled)::after {
  content: "";
  position: absolute;
  inset: -50% auto -50% 0;
  width: 45%;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.65),
    transparent
  );
  transform: translateX(-180%) skewX(-20deg);
  animation: bun168-signup-shine 5s ease-in-out infinite;
}

@keyframes bun168-signup-shine {
  0%, 65% {
    transform: translateX(-180%) skewX(-20deg);
  }

  85%, 100% {
    transform: translateX(360%) skewX(-20deg);
  }
}

/* ===== เข้าสู่ระบบ — ฟ้าทะเลเข้ม ===== */
.v-application .appbar .appbar-container .appbar-auth .v-btn:is(
  .btn-signin,
  [data-track="open_dialog_signin"]
) {
  background: linear-gradient(
    180deg,
    #08758e 0%,
    #05566e 50%,
    #03394d 100%
  ) !important;
  border: 1px solid #75d7e9 !important;
  color: #f0fcff !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 3px 8px rgba(0, 36, 48, 0.25) !important;
}

/* ===== เมื่อชี้เมาส์ ===== */
@media (hover: hover) and (pointer: fine) {
  .v-application .appbar .appbar-container .appbar-auth .v-btn:is(
    .btn-signup,
    [data-track="open_dialog_signup"]
  ):not(.v-btn--disabled):not(:disabled):hover {
    background: linear-gradient(
      180deg,
      #fff9da 0%,
      #ffeab0 32%,
      #f7d884 68%,
      #eac35b 100%
    ) !important;
    border-color: #fff6cc !important;
    transform: translateY(-2px);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.9),
      0 6px 14px rgba(0, 36, 48, 0.35),
      0 0 24px rgba(249, 216, 128, 0.5) !important;
  }

  .v-application .appbar .appbar-container .appbar-auth .v-btn:is(
    .btn-signin,
    [data-track="open_dialog_signin"]
  ):not(.v-btn--disabled):not(:disabled):hover {
    background: linear-gradient(
      180deg,
      #09839d 0%,
      #08667e 50%,
      #06465b 100%
    ) !important;
    border-color: #b1edfa !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 36, 48, 0.3) !important;
  }
}

/* ===== ขณะกด ===== */
.v-application .appbar .appbar-container .appbar-auth .v-btn:is(
  .btn-signup,
  .btn-signin,
  [data-track="open_dialog_signup"],
  [data-track="open_dialog_signin"]
):not(.v-btn--disabled):not(:disabled):active {
  transform: translateY(1px);
  box-shadow: inset 0 2px 6px rgba(0, 35, 45, 0.3) !important;
}

/* ===== เมื่อเลือกด้วยคีย์บอร์ด ===== */
.v-application .appbar .appbar-container .appbar-auth .v-btn:is(
  .btn-signup,
  .btn-signin,
  [data-track="open_dialog_signup"],
  [data-track="open_dialog_signin"]
):focus-visible {
  outline: 2px solid #fff3bc !important;
  outline-offset: 4px;
}

/* ===== มือถือ ===== */
@media only screen and (max-width: 959px) {
  .v-application .appbar .appbar-container .appbar-auth .v-btn:is(
    .btn-signup,
    .btn-signin,
    [data-track="open_dialog_signup"],
    [data-track="open_dialog_signin"]
  ) {
    height: 36px !important;
    min-height: 36px !important;
    padding: 0 12px !important;
    font-size: 13px !important;
  }

  .v-application .appbar .appbar-container .appbar-auth .v-btn:is(
    .btn-signup,
    .btn-signin,
    [data-track="open_dialog_signup"],
    [data-track="open_dialog_signin"]
  ) .v-icon {
    font-size: 18px !important;
    margin-right: 6px !important;
  }
}

/* ===== ปุ่มปิดใช้งาน ===== */
.v-application .appbar .appbar-container .appbar-auth .v-btn:is(
  .btn-signup,
  .btn-signin,
  [data-track="open_dialog_signup"],
  [data-track="open_dialog_signin"]
):is(.v-btn--disabled, :disabled) {
  opacity: 0.5 !important;
  box-shadow: none !important;
  transform: none !important;
}

/* ===== รองรับการตั้งค่าลดการเคลื่อนไหว ===== */
@media (prefers-reduced-motion: reduce) {
  .v-application .appbar .appbar-container .appbar-auth .v-btn:is(
    .btn-signup,
    .btn-signin,
    [data-track="open_dialog_signup"],
    [data-track="open_dialog_signin"]
  ) {
    transition: none !important;
    transform: none !important;
  }

  .v-application .appbar .appbar-container .appbar-auth .v-btn:is(
    .btn-signup,
    [data-track="open_dialog_signup"]
  )::after {
    animation: none !important;
    opacity: 0 !important;
  }
}