.big-box {
  border: 1px solid #eee;
  -webkit-box-shadow: 0 3px 3px rgba(0,0,0,.5);
  box-shadow: 0 3px 3px rgba(0,0,0,.5);
  padding: 20px;
  margin-top: 60px;
  margin-bottom: 60px;

/*
  -webkit-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
     -moz-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
          box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
*/
}




.custom-container {
    background-color: #000000;  
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.socialaccount_providers li a.socialaccount_provider {
  rem-border: 1px solid #ddd;
  border-radius: 10px;
  rem-box-shadow: 2px 2px 8px rgba(0,0,0,.7);
  -padding: 10px;
  margin-bottom: 6px;
  display: block;
  width: 100%;
  overflow: hidden;
  rem-font-size: 1.2em;
}

.socialaccount_providers li a.socialaccount_provider:hover {
  text-decoration: none;
  box-shadow: 1px 1px 2px rgba(0,0,0,.7);
}

.socialaccount_providers li a.socialaccount_provider.facebook {
  background: #4B67A3; /* technically gradient down to #3A579A */
  color: #fff;
}
.socialaccount_providers li a.socialaccount_provider.facebook:before {
  font-family: FontAwesome;
  font-size: 1.9em;
  content: "\f082";
  display: inline-block;
  padding-left: 8px;
  padding-right: 8px;
}

.socialaccount_providers li a.socialaccount_provider.google {
  background: #DE4931;
  color: #fff;
}
.socialaccount_providers li a.socialaccount_provider.google:before {
  font-family: FontAwesome;
  font-size: 1.9em;
  content: "\f1a0";
  display: inline-block;
  padding-left: 8px;
  padding-right: 8px;
}


/* from http://konigi.com/tools/css-sticky-notes */
.sticky {
  -webkit-box-shadow: #DDD 0px 1px 2px;
  position: relative;
  background-color: #F4F39E;
  border-color: #DEE184;
  text-align: center;
  margin: 2.5em 0px;
  padding: 1.5em 1em;
  -webkit-box-shadow: 0px 1px 3px rgba(0,0,0,0.25);
  -moz-box-shadow: 0px 1px 3px rgba(0,0,0,0.25);
  box-shadow: 0px 1px 3px rgba(0,0,0,0.25);
  font-family: Chalkboard, 'Comic Sans';
}
.sticky.taped2:after {
  display: block;
  content: "";
  position: absolute; 
  width: 110px;
  height: 30px;
  top: -21px;
  left: 30%;    
  border: 1px solid #fff;
  background: rgba(254, 254, 254, .6);
  -webkit-box-shadow: 0px 0 3px rgba(0,0,0,0.1);
  -moz-box-shadow: 0px 0 3px rgba(0,0,0,0.1);
  box-shadow: 0px 0 3px rgba(0,0,0,0.1);  
}

/* borrowed from http://designshack.net/articles/css/4-fun-css-image-effects-you-can-copy-and-paste/ */
.picture-frame img {
  border: 10px solid #fff;
  -webkit-box-shadow: 3px 0px 0px #777;
  -moz-box-shadow: 3px 0px 0px #777;
  box-shadow: 0px 0px 5px rgba(0,0,0,0.35);
}

.btn-pink {
  background-color: #e91e63;   /* hồng đậm */
  color: #fff;                 /* chữ trắng */
  border: none;
  /*padding: 12px 24px;*/
  margin: 2px 2px 2px 2px;
  font-size: 16px;
  border-radius: 8px;
  text-decoration: none;
  width: 150px;    
  height: 40px;    
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.btn-pink:hover {
  background-color: #d81b60;   /* hồng tối hơn khi hover */
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
}

.btn-royal {
  background-image: url("/static/images/royal.png");
  background-size: cover;        /* 🔑 */
  background-position: center;

  /*background-color: #e91e63;     /* fallback color */
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  margin: 2px 2px 2px 2px;
  width: 150px;
  height: 40px;
  opacity: 0.9;
}

.btn-royal:hover {
  color: #fff;
  transform: scale(1.05);
  opacity: 1;
}

.btn-orange {
  background-color: #e9b61e;   /* hồng đậm */
  color: #fff;                 /* chữ trắng */
  border: none;
  /*padding: 12px 24px;*/
  margin: 2px 2px 2px 2px;
  font-size: 16px;
  border-radius: 8px;
  text-decoration: none;
  width: 150px;    
  height: 40px;    
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.btn-orange:hover {
  background-color: #d8891b;   /* hồng tối hơn khi hover */
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
}

.btn-snow {
  background-image: url("/static/images/snow.png");
  background-size: cover;        /* 🔑 */
  background-position: center;

  /*background-color: #e91e63;     /* fallback color */
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  margin: 2px 2px 2px 2px;
  width: 150px;
  height: 40px;
  opacity: 0.9;
}

.btn-snow:hover {
  color: #fff;
  transform: scale(1.05);
  opacity: 1;
}

.container-footer {
  width: 100%;
  padding: 20px 0;
  text-align: center;
  background-color: rgba(0, 0, 0, 0.6); /* nền đen mờ */
  color: #fff;
  position: relative;  /* mặc định */
  margin-top: auto;    /* đẩy xuống dưới khi dùng flex layout */
}

.custom-navbar {
  width: 100%;
  padding: 20px 40px;
  background-color: rgba(102, 0, 204, 0.2); /* tím nhạt hơn, trong suốt hơn */
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.navbar-brand {
  font-size: 28px;         /* tăng size chữ */
  font-weight: bold;
  color: #fff;
}

.navbar-links a {
  margin-left: 30px;
  text-decoration: none;
  color: #fff;
  font-size: 20px;         /* chữ to hơn */
  font-weight: 600;
  transition: color 0.3s ease;
}

.navbar-links a:hover {
  color: #ffb3ec;
}

.floating-logo {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 1000;
  display: block;
}

.floating-logo img {
  height: 200px;       /* điều chỉnh kích thước phù hợp */
  width: auto;
  opacity: 0.85;
  transition: opacity 0.3s ease;
}

.floating-logo img:hover {
  opacity: 1;
  cursor: pointer;
}


html, body, .wrapper {
  height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.container1234 {
  flex: 1 0 auto;           /* Chiếm hết khoảng trống còn lại */
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding: 40px;
  color: #ffe6f0;  /* hồng rất sáng ngả tím */
  font-size: 2rem; /* tăng cỡ chữ tại đây */
}


html, body, .wrapper {
  height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
}
.container1236 {
  flex: 1 0 auto;           /* Chiếm hết khoảng trống còn lại */
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-direction: column;
  padding: 40px;              /* smaller than 80px */
  padding-top: 85px; 
  padding-left: 170px;        /* push content away from logo */
  padding-right: 100px;  
  color: #ffe6f0;  /* hồng rất sáng ngả tím */
  font-size: 2rem; /* tăng cỡ chữ tại đây */
}

.container1236:hover {
  background-color: rgba(0, 0, 0, 0.5); /* đen mờ khi hover */
}

.container1235 {
  background-color: transparent;
  color: #ffe6f0;  /* hồng rất sáng ngả tím */
  text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.6); /* Bóng tối xung quanh chữ */
  padding: 20px;
  margin-top: 60px;
  margin-bottom: 30px;
  text-align: center;
  font-size: 1.7rem;
}

.container1235 ul {
  list-style-position: inside;   /* keeps bullets inside */
  padding-left: 0;               /* removes default indent */
  display: inline-block;         /* allows centering */
  text-align: left;              /* keeps text aligned inside items */
}

.container1235 li {
  margin-bottom: 10px;
}

.container1235 .mt-3 {
  margin-top: 1rem;
}

.container1235:hover {
  background-color: rgba(0, 0, 0, 0.5); /* đen mờ khi hover */
}

.container1237 {
  background-color: transparent;
  color: #ffe6f0;  /* hồng rất sáng ngả tím */
  text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.6); /* Bóng tối xung quanh chữ */
  padding: 20px;
  margin-top: 60px;
  margin-bottom: 30px;
  font-size: 2rem; /* tăng cỡ chữ tại đây */
  max-height: 800px;    /* hoặc dùng height: 400px */
  overflow-y: auto;
}

.container1237:hover {
  background-color: rgba(0, 0, 0, 0.5); /* đen mờ khi hover */
}

#snow-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  overflow: hidden;
}

/* Individual snowflake */
.snowflake {
  position: absolute;
  top: -10px;
  color: white;
  opacity: 0.8;
  user-select: none;
  pointer-events: none;
  filter: blur(0.2px);
  animation-name: fall;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

@keyframes fall {
  0% {
    transform: translateX(0) translateY(0);
  }
  100% {
    transform: translateX(var(--drift)) translateY(110vh);
  }
}

.container1238 {
  flex: 1 0 auto;           /* Chiếm hết khoảng trống còn lại */
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding: 100px 40px;
  color: #ffe6f0;  /* hồng rất sáng ngả tím */
  font-size: 2rem; /* tăng cỡ chữ tại đây */
}

.container1238:hover {
  background-color: rgba(0, 0, 0, 0.5); /* đen mờ khi hover */
}

.guide-wrapper {
  width: 100%;
  max-width: 900px;
  padding: 40px 36px;
  background: rgba(30, 10, 60, 0.55);
  backdrop-filter: blur(6px);
  border-radius: 18px;
  box-shadow: 0 0 40px rgba(180, 120, 255, 0.25);
  /*font-size: 24; /* override big container font */
}

.guide-title {
  text-align: center;
  font-size: 2.5rem;
  color: #ffe6ff;
  margin-bottom: 30px;
}


.guide-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: center;
  padding: 14px 18px;
  margin-bottom: 12px;
  border-radius: 12px;
  color: #f5e9ff;
  text-decoration: none;
  transition: background 0.25s ease, transform 0.25s ease;
}
.guide-row:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(4px);
  color: #ffffff;
}

.guide-date {
  font-size: 1.75rem;
  opacity: 0.85;
  white-space: nowrap;
}

.guide-title-text {
  font-size: 1.75rem;
}

.guide-title-text::after {
  content: " →";
  opacity: 0.6;
}

.guide-pagination {
  margin-top: 30px;
  text-align: center;
}

.guide-pagination a,
.guide-pagination span {
  display: inline-block;
  margin: 0 6px;
  padding: 6px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
}

.guide-pagination .active {
  background: #e91e63;
}

.img-border {
  border: 2px solid #333;
  padding: 2px;        /* space between image and border */
  margin: 10px 0 10px 0;
  background: #fff;    /* helps on dark backgrounds */
  max-width: 65%; 
  height: auto;
  align-self: center;
}