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

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url(background.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  /* lớp phủ tối nhẹ */
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top, rgba(0,0,0,0.35), rgba(0,0,0,0.6));
  z-index: 0;
}

.auth-wrapper {
  position: relative;
  z-index: 1;
  width: min(430px, 90vw);
}

/* ===== CARD ===== */
.login_form {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(24px);
  border-radius: 24px;
  padding: 80px 30px 30px;
  text-align: center;
  color: #fff;
  position: relative;
  box-shadow: 0 14px 45px rgba(0,0,0,0.35);
  overflow: visible;
}

/* ===== AVATAR ===== */
.avatar-box {
  position: absolute;
  top: -65px;
  left: 50%;
  transform: translateX(-50%);
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: #fff;
  border: 5px solid rgba(255,255,255,0.55);
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}
.avatar-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== TITLE ===== */
.title-box {
  margin-top: 10px;
  margin-bottom: 20px;
}

.login_title {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: .5px;
}

.login_subtitle {
  font-size: 0.8rem;
  opacity: 0.7;
  margin-top: 6px;
}

/* ===== INPUT ===== */
.input_box {
  margin: 14px 0;
  position: relative;
}

.input_box input {
  width: 100%;
  background: rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 12px 45px 12px 45px;
  border-radius: 16px;
  outline: none;
  color: #fff;
  font-size: 0.9rem;
  transition: 0.25s;
}

.input_box input::placeholder {
  color: rgba(255,255,255,0.6);
}

.input_box input:focus {
  border: 1px solid rgba(62, 190, 255, 0.9);
  background: rgba(0,0,0,0.35);
  box-shadow: 0 0 16px rgba(62, 190, 255, 0.35);
}

.input_box i.fa-envelope,
.input_box i.fa-lock {
  position: absolute;
  top: 50%;
  left: 15px;
  transform: translateY(-50%);
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
  pointer-events: none;
}

.input_box .toggle_eye {
  position: absolute;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  color: rgba(255,255,255,0.65);
  cursor: pointer;
  transition: 0.25s;
  font-size: 1rem;
}
.input_box .toggle_eye:hover {
  color: #fff;
}

/* ===== REMEMBER / FORGOT ===== */
.remember_forget_box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 12px 0 16px;
  font-size: 0.8rem;
}

.remember_forget_box label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.remember_forget_box input {
  accent-color: #fff;
  cursor: pointer;
}

.remember_forget_box a {
  color: #fff;
  text-decoration: none;
  opacity: 0.8;
}
.remember_forget_box a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ===== BUTTON ===== */
.login_btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 0;
  background: linear-gradient(135deg, #2f9cf4, #075488);
  border: none;
  border-radius: 14px;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: 0.2s;
  box-shadow: 0 10px 20px rgba(3, 118, 231, 0.35);
}

.login_btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 25px rgba(3, 118, 231, 0.4);
}

.login_btn.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* ===== DIVIDER ===== */
.divider {
  margin: 16px 0 12px;
  font-size: 0.7rem;
  opacity: 0.7;
  position: relative;
}

.divider span {
  background: rgba(0,0,0,0.2);
  padding: 3px 12px;
  border-radius: 99px;
}

.divider::before,
.divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 28%;
  height: 1px;
  background: rgba(255,255,255,0.2);
}

.divider::before {
  left: 5%;
}
.divider::after {
  right: 5%;
}

/* ===== SOCIAL ===== */
.social-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 14px;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(0,0,0,0.15);
  color: #fff;
  cursor: pointer;
  transition: 0.2s;
}
.social-btn:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-1px);
}

/* ===== REGISTER TEXT ===== */
.register {
  font-size: 0.78rem;
  opacity: 0.85;
}
.register a {
  color: #fff;
  font-weight: 500;
  text-decoration: none;
}
.register a:hover {
  text-decoration: underline;
}

/* ===== MESSAGE BOX ===== */
.messege_box {
  margin-top: 14px;
  min-height: 34px;
  line-height: 34px;
  border-radius: 9px;
  font-size: 0.8rem;
}
.messege_box.error {
  background: rgba(255, 80, 80, 0.75);
}
.messege_box.created {
  background: rgba(111, 207, 151, 0.75);
}

@media (max-width: 460px) {
  .login_form {
    padding-inline: 20px;
  }
  .divider::before,
  .divider::after {
    width: 20%;
  }
}