/* ========== RESET & BASE ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: #0f1217;
  color: #e5e7eb;
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Chỉ áp dụng background cho trang chủ */
body.home-page {
  position: relative;
  background: #14284f;
}

body.home-page::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('./img/bk3.jpg') no-repeat center center fixed;
    background-size: cover;
    opacity: 0.15;
    pointer-events: none;
    z-index: -2;
}

body.home-page::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: linear-gradient(
    180deg,
    rgba(15, 18, 23, 0) 0%,
    rgba(15, 18, 23, 0.3) 30%,
    rgba(15, 18, 23, 0.6) 60%,
    rgba(15, 18, 23, 0.9) 90%,
    #0f1217 100%
  );
  pointer-events: none;
  z-index: -1;
}

/* Hiệu ứng nền động cho các trang khác */
body:not(.home-page)::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(
      circle at 20% 50%,
      rgba(59, 130, 246, 0.03) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(59, 130, 246, 0.03) 0%,
      transparent 50%
    );
  pointer-events: none;
  z-index: -1;
}

/* ========== HEADER ========== */
header {
  background: rgba(26, 30, 36, 0.95);
  backdrop-filter: blur(10px);
  padding: 12px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid #3b82f6;
}

.logo h1 {
  font-size: 1.5rem;
  color: #3b82f6;
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(59, 130, 246, 0.3);
  position: relative;
  display: inline-block;
}

.logo h1::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #3b82f6, transparent);
  animation: glowLine 2s infinite;
}

@keyframes glowLine {
  0% {
    transform: translateX(-100%);
    opacity: 0;
  }
  50% {
    transform: translateX(0);
    opacity: 1;
  }
  100% {
    transform: translateX(100%);
    opacity: 0;
  }
}

.logo i {
  color: #3b82f6;
  margin-right: 5px;
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.desktop-nav a {
  color: #d1d5db;
  text-decoration: none;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 30px;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.desktop-nav a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.3);
  transform: translate(-50%, -50%);
  transition:
    width 0.6s,
    height 0.6s;
  z-index: -1;
}

.desktop-nav a:hover::before {
  width: 200px;
  height: 200px;
}

.desktop-nav a:hover {
  background: #3b82f6;
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.5);
  transform: translateY(-3px) scale(1.05);
}

.desktop-nav a.active {
  background: #3b82f6;
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.5);
}

/* ========== AVATAR & DROPDOWN ========== */
.user-dropdown {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  background: #1f2937;
  padding: 4px 16px;
  border-radius: 40px;
  color: #e5e7eb;
  border: 1px solid #374151;
  transition: all 0.3s;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.user-dropdown:hover {
  border-color: #3b82f6;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
  transform: translateY(-2px);
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid #3b82f6;
  object-fit: cover;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 50px;
  right: 0;
  background-color: #1f2937;
  min-width: 200px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  z-index: 1000;
  overflow: hidden;
  border: 1px solid #374151;
  backdrop-filter: blur(10px);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.user-dropdown.active .dropdown-content {
  display: block;
}

.dropdown-content a {
  color: #e5e7eb;
  padding: 12px 18px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid #374151;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.dropdown-content a::before {
  content: "";
  position: absolute;
  left: -100%;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.dropdown-content a:hover::before {
  left: 100%;
}

.dropdown-content a:last-child {
  border-bottom: none;
}

.dropdown-content a:hover {
  background: #3b82f6;
  color: white;
  transform: translateX(5px);
}

/* ========== MOBILE NAVIGATION ========== */
.mobile-nav-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: #3b82f6;
  transition: all 0.3s;
}

.mobile-nav-toggle:hover {
  transform: scale(1.1);
  text-shadow: 0 0 15px rgba(59, 130, 246, 0.5);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: rgba(26, 30, 36, 0.98);
  backdrop-filter: blur(10px);
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: 999;
  border-bottom: 2px solid #3b82f6;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-nav.active {
  display: block;
}

.mobile-nav ul {
  list-style: none;
}

.mobile-nav li {
  margin-bottom: 15px;
}

.mobile-nav a {
  color: #e5e7eb;
  text-decoration: none;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-radius: 8px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.mobile-nav a::before {
  content: "";
  position: absolute;
  left: -100%;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.mobile-nav a:active::before {
  left: 100%;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background: #374151;
  color: #3b82f6;
  transform: translateX(5px);
}

/* ========== MOBILE BOTTOM NAV ========== */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(26, 30, 36, 0.95);
  backdrop-filter: blur(10px);
  padding: 8px 15px;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.5);
  z-index: 999;
  border-top: 2px solid #3b82f6;
}

.mobile-bottom-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
  list-style: none;
}

.mobile-bottom-items li {
  flex: 1;
  text-align: center;
}

.mobile-bottom-items a {
  color: #9ca3af;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 0.75rem;
  transition: all 0.3s;
  position: relative;
}

.mobile-bottom-items a::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: #3b82f6;
  transition: width 0.3s;
}

.mobile-bottom-items a.active::after {
  width: 30px;
}

.mobile-bottom-items a.active {
  color: #3b82f6;
}

.mobile-bottom-items i {
  font-size: 1.4rem;
  filter: drop-shadow(0 0 5px rgba(59, 130, 246, 0.3));
}

.mobile-balance {
  background: #3b82f6;
  color: white;
  padding: 6px 10px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.4);
  transition: all 0.3s;
}

.mobile-balance:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(59, 130, 246, 0.6);
}

/* ========== MARQUEE ========== */
.marquee-container {
  background: linear-gradient(90deg, #1f2937, #2a2f38, #1f2937);
  color: white;
  padding: 8px 0;
  overflow: hidden;
  border-bottom: 1px solid #374151;
  position: relative;
}

.marquee-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.3),
    transparent
  );
  animation: shine 3s infinite;
}

@keyframes shine {
  0% {
    left: -100%;
  }
  20% {
    left: 100%;
  }
  100% {
    left: 100%;
  }
}

.marquee {
  width: 100%;
  overflow: hidden;
}

.marquee-content {
  display: inline-block;
  white-space: nowrap;
  animation: marquee 25s linear infinite;
}

.marquee-content span {
  margin-right: 40px;
  font-weight: 500;
  font-size: 1rem;
  color: #e5e7eb;
  text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

@keyframes marquee {
  0% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(-100%);
  }
}

/* ========== MAIN CONTENT 2 CỘT ========== */
.main-content {
  display: flex;
  padding: 25px 30px;
  gap: 25px;
  flex-wrap: wrap;
  align-items: stretch;
}

.left-panel {
  flex: 1.2;
  min-width: 260px;
  background: #1f2937;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border: 1px solid #374151;
  transform: translateY(0);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: fit-content;
}

.left-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  transition: left 0.5s;
}

.left-panel:hover::before {
  left: 100%;
}

.left-panel:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.2);
  border-color: #3b82f6;
}

.left-panel h3 {
  color: #3b82f6;
  margin-bottom: 16px;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #374151;
  padding-bottom: 10px;
}

.top-recharge {
  list-style: none;
  margin-bottom: 16px;
}

.top-recharge li {
  padding: 12px 15px;
  border-bottom: 1px solid #374151;
  display: flex;
  justify-content: space-between;
  transition: all 0.3s;
  color: #d1d5db;
  border-radius: 8px;
  margin: 5px 0;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.top-recharge li::before {
  content: "";
  position: absolute;
  left: -100%;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.top-recharge li:hover::before {
  left: 100%;
}

.top-recharge li:hover {
  background: #2a2f38;
  transform: translateX(8px) scale(1.02);
  color: #3b82f6;
  border-left: 3px solid #3b82f6;
  box-shadow: 0 5px 15px rgba(59, 130, 246, 0.2);
}

/* Quick offer - Ưu đãi nhanh */
.quick-offer {
  background: linear-gradient(135deg, #1f2a38, #1a2634);
  border-radius: 10px;
  padding: 15px;
  margin: 15px 0;
  border: 1px solid #3b82f6;
  position: relative;
  overflow: hidden;
}

.quick-offer::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.quick-offer h4 {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-offer p {
  color: #e5e7eb;
  font-size: 0.95rem;
  margin: 5px 0;
}

.offer-code {
  background: #0f1a24;
  display: inline-block;
  padding: 5px 12px;
  border-radius: 20px;
  font-weight: 600;
  color: #3b82f6 !important;
  border: 1px dashed #3b82f6;
  margin: 8px 0 !important;
}

.offer-btn {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  border: none;
  padding: 8px 15px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  width: 100%;
  margin-top: 10px;
  transition: all 0.3s;
}

.offer-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(245, 158, 11, 0.4);
}

.top-note {
  background: #0f1217;
  padding: 15px;
  border-radius: 8px;
  text-align: center;
  border: 1px solid #374151;
  position: relative;
  overflow: hidden;
  margin-top: auto;
}

.top-note::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  animation: rotate 6s linear infinite;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.recharge-btn {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  border: none;
  padding: 14px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  width: 100%;
  border: none;
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(59, 130, 246, 0.4);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Hiệu ứng chớp sáng cho button */
.recharge-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
  pointer-events: none;
}

.recharge-btn:hover::before {
  left: 100%;
}

.recharge-btn:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6);
}

.recharge-btn:active {
  transform: translateY(-1px) scale(0.98);
}

.right-panel {
  flex: 2.5;
  min-width: 300px;
  background: #1f2937;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border: 1px solid #374151;
  transform: translateY(0);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  height: fit-content;
}

.right-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  transition: left 0.5s;
}

.right-panel:hover::before {
  left: 100%;
}

.right-panel:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.2);
  border-color: #3b82f6;
}

.right-panel h3 {
  color: #3b82f6;
  margin-bottom: 16px;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #374151;
  padding-bottom: 10px;
}

.ads {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

/* CSS cho ảnh GIF */
.gif-ad {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    border: 2px solid #374151;
    background: #0f1217;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: all 0.3s;
    display: block;
}

.ad-video {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    width: 100%;
    height: 400px;
}

/* Hiệu ứng chớp sáng cho video */
.ad-video::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s;
  pointer-events: none;
  z-index: 2;
}

.ad-video:hover::before {
  left: 100%;
}

.ad-video:hover .gif-ad {
  border-color: #3b82f6;
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.3);
  transform: scale(1.02);
}

/* CSS cho phần lưu ý khi đặt đơn */
.order-notice {
    background: #1a2634;
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
    border: 1px solid #374151;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.order-notice::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.order-notice h4 {
    color: #3b82f6;
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid #374151;
    padding-bottom: 10px;
}

.order-notice h4 i {
    color: #f59e0b;
}

.notice-list {
    list-style: none;
    margin-bottom: 15px;
}

.notice-list li {
    padding: 10px 0;
    border-bottom: 1px dashed #2a3745;
    color: #d1d5db;
    font-size: 0.95rem;
    line-height: 1.6;
    position: relative;
    padding-left: 20px;
}

.notice-list li::before {
    content: '•';
    color: #3b82f6;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: 5px;
}

.notice-list li:last-child {
    border-bottom: none;
}

.notice-highlight {
    color: #3b82f6;
    font-weight: 600;
}

.notice-warning {
    color: #f59e0b;
    font-weight: 600;
}

.notice-danger {
    color: #ef4444;
    font-weight: 600;
}

.notice-contact {
    background: #0f1a24;
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    border: 1px solid #374151;
    color: #e5e7eb;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
}

.notice-contact i {
    color: #3b82f6;
    font-size: 1.2rem;
}

.notice-contact strong {
    color: #3b82f6;
    font-weight: 700;
}

/* Hiệu ứng hover cho notice */
.order-notice:hover {
    border-color: #3b82f6;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
    transition: all 0.3s;
}

.order-notice:hover h4 {
    color: #60a5fa;
}

.ad-banner {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 10px;
}

.ad-banner img {
  width: calc(50% - 5px);
  border-radius: 12px;
  border: 2px solid #374151;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.ad-banner img:hover {
  transform: scale(1.02);
  border-color: #3b82f6;
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

/* ========== PRODUCT CARDS ========== */
.products {
  padding: 20px 30px;
}

.products h2 {
  color: #3b82f6;
  margin-bottom: 20px;
  font-size: 2rem;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  text-shadow: 0 2px 10px rgba(59, 130, 246, 0.3);
  position: relative;
  display: inline-block;
}

.products h2::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #3b82f6, transparent);
  animation: glowLine 2s infinite;
}

.products h2 .badge {
  background: #3b82f6;
  color: white;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 20px;
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.4);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
}

.product-card {
  background: #1f2937;
  border-radius: 16px;
  padding: 20px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border: 1px solid #374151;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.product-card:hover {
  transform: translateY(-10px) rotateX(2deg) scale(1.02);
  box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
  border-color: #3b82f6;
}

.product-image {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 15px;
  background: #0f1217;
  border: 1px solid #374151;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

/* Hiệu ứng chớp sáng cho ảnh sản phẩm */
.product-image::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
  pointer-events: none;
  z-index: 2;
}

.product-card:hover .product-image::before {
  left: 100%;
}

.product-card:hover .product-image {
  border-color: #3b82f6;
  transform: scale(1.05);
}

.product-card .type {
  display: inline-block;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  padding: 6px 14px;
  border-radius: 30px;
  font-weight: 600;
  margin-bottom: 12px;
  font-size: 0.85rem;
  align-self: flex-start;
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.4);
  position: relative;
  overflow: hidden;
}

.product-card .type::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
}

.product-card:hover .type::before {
  left: 100%;
}

.product-card .name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #e5e7eb;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.product-card .stats {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
  background: #0f1217;
  padding: 12px;
  border-radius: 12px;
  justify-content: space-around;
  border: 1px solid #374151;
  position: relative;
  overflow: hidden;
}

.stat-item {
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: #3b82f6;
  text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.stat-label {
  font-size: 0.8rem;
  color: #9ca3af;
}

.product-card .description {
  color: #d1d5db;
  margin-bottom: 15px;
  font-size: 0.95rem;
  flex-grow: 1;
  background: #0f1217;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #374151;
}

.product-card .status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 15px;
  padding: 10px;
  background: #0f1217;
  border-radius: 8px;
  border: 1px solid #374151;
  position: relative;
  overflow: hidden;
}

.status-dot {
  width: 12px;
  height: 12px;
  background: #3b82f6;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
  box-shadow: 0 0 10px #3b82f6;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
    box-shadow: 0 0 10px #3b82f6;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.7;
    box-shadow: 0 0 20px #3b82f6;
  }
  100% {
    transform: scale(1);
    opacity: 1;
    box-shadow: 0 0 10px #3b82f6;
  }
}

.status-text {
  font-weight: 600;
  color: #3b82f6;
}

.button-group {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.product-card button {
  flex: 1;
  background: #0f1217;
  border: 1px solid #3b82f6;
  color: #3b82f6;
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Hiệu ứng chớp sáng cho button sản phẩm */
.product-card button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.3),
    transparent
  );
  transition: left 0.5s;
  pointer-events: none;
}

.product-card button:hover::before {
  left: 100%;
}

.product-card button:hover {
  background: #3b82f6;
  color: white;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.5);
  border-color: #3b82f6;
}

.product-card button:active {
  transform: translateY(-1px) scale(0.98);
}

/* ========== FOOTER ========== */
footer {
  background: #1f2937;
  text-align: center;
  padding: 20px;
  border-top: 1px solid #374151;
  margin-top: 30px;
  font-size: 0.95rem;
  color: #9ca3af;
  margin-bottom: 70px;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, #3b82f6, transparent);
  animation: glowLine 3s infinite;
}

/* ========== LOGIN/REGISTER ========== */
.auth-split {
  display: flex;
  min-height: 80vh;
  margin: 20px auto;
  max-width: 1000px;
  background: #1f2937;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border: 1px solid #374151;
  position: relative;
}

.auth-split::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  animation: rotate 10s linear infinite;
  pointer-events: none;
}

.auth-left {
  flex: 1;
  background: #0f1217;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.auth-left::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(59, 130, 246, 0.2) 0%,
    transparent 70%
  );
  animation: rotate 8s linear infinite;
}

.auth-left img {
  max-width: 100%;
  border-radius: 12px;
  border: 2px solid #374151;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  position: relative;
  z-index: 1;
  transition: all 0.3s;
}

.auth-left:hover img {
  transform: scale(1.05);
  border-color: #3b82f6;
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.3);
}

.auth-right {
  flex: 1;
  background: #1f2937;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.auth-right h2 {
  color: #3b82f6;
  margin-bottom: 30px;
  font-size: 2.2rem;
  text-shadow: 0 2px 10px rgba(59, 130, 246, 0.3);
  position: relative;
  display: inline-block;
}

.auth-right h2::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #3b82f6, transparent);
  animation: glowLine 2s infinite;
}

.auth-right input {
  width: 100%;
  padding: 14px;
  margin-bottom: 15px;
  border: 1px solid #374151;
  border-radius: 10px;
  font-size: 1rem;
  background: #0f1217;
  color: #e5e7eb;
  transition: all 0.3s;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.auth-right input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow:
    0 0 0 3px rgba(59, 130, 246, 0.2),
    0 4px 15px rgba(59, 130, 246, 0.3);
  transform: translateY(-2px);
}

.auth-right button {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(59, 130, 246, 0.4);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Hiệu ứng chớp sáng cho button login/register */
.auth-right button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
  pointer-events: none;
}

.auth-right button:hover::before {
  left: 100%;
}

.auth-right button:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.6);
}

.auth-right button:active {
  transform: translateY(-1px) scale(0.98);
}

.auth-right p {
  margin-top: 20px;
  text-align: center;
  color: #9ca3af;
}

.auth-right a {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  position: relative;
}

.auth-right a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: #3b82f6;
  transition: width 0.3s;
}

.auth-right a:hover::after {
  width: 100%;
}

.auth-right a:hover {
  color: #60a5fa;
  text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

/* ========== RECHARGE ========== */
.recharge-container {
  max-width: 900px;
  margin: 30px auto;
  padding: 30px;
  background: #1f2937;
  border-radius: 20px;
  border: 1px solid #374151;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.recharge-container::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  animation: rotate 10s linear infinite;
  pointer-events: none;
}

.recharge-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 30px;
  position: relative;
  z-index: 1;
}

.method-card {
  background: #0f1217;
  border-radius: 16px;
  padding: 25px;
  border: 1px solid #374151;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.method-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.method-card:hover::before {
  left: 100%;
}

.method-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.2);
  border-color: #3b82f6;
}

.method-card h3 {
  color: #3b82f6;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
}

.method-card input,
.method-card select {
  width: 100%;
  padding: 12px;
  margin: 8px 0 15px;
  border: 1px solid #374151;
  border-radius: 8px;
  background: #1f2937;
  color: #e5e7eb;
  transition: all 0.3s;
}

.method-card input:focus,
.method-card select:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.method-card button {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

/* Hiệu ứng chớp sáng cho button recharge */
.method-card button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
  pointer-events: none;
}

.method-card button:hover::before {
  left: 100%;
}

.method-card button:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6);
}

.qr-code {
  margin-top: 20px;
  text-align: center;
  padding: 20px;
  background: #1f2937;
  border-radius: 12px;
  border: 1px solid #374151;
  position: relative;
  overflow: hidden;
}

.qr-code::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(59, 130, 246, 0.1) 0%,
    transparent 70%
  );
  animation: rotate 8s linear infinite;
}

.qr-code img {
  max-width: 200px;
  margin: 10px 0;
  border: 2px solid #374151;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
  transition: all 0.3s;
  position: relative;
  z-index: 1;
}

.qr-code img:hover {
  transform: scale(1.05);
  border-color: #3b82f6;
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

/* ========== FORUM ========== */
.forum-layout {
  display: flex;
  gap: 20px;
  padding: 20px 30px;
  flex-wrap: wrap;
}

.forum-left,
.forum-right {
  flex: 1;
  min-width: 220px;
  background: #1f2937;
  border-radius: 16px;
  padding: 20px;
  border: 1px solid #374151;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.forum-left::before,
.forum-right::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  transition: left 0.5s;
}

.forum-left:hover::before,
.forum-right:hover::before {
  left: 100%;
}

.forum-left:hover,
.forum-right:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.2);
  border-color: #3b82f6;
}

.forum-center {
  flex: 2.5;
  min-width: 300px;
  background: #1f2937;
  border-radius: 16px;
  padding: 20px;
  border: 1px solid #374151;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.forum-center::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  transition: left 0.5s;
}

.forum-center:hover::before {
  left: 100%;
}

.forum-center:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.2);
  border-color: #3b82f6;
}

.forum-left h3,
.forum-right h3,
.forum-center h2 {
  color: #3b82f6;
  margin-bottom: 15px;
  border-bottom: 1px solid #374151;
  padding-bottom: 10px;
  position: relative;
  display: inline-block;
}

.forum-left h3::after,
.forum-right h3::after,
.forum-center h2::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 50px;
  height: 2px;
  background: #3b82f6;
  animation: widthPulse 2s infinite;
}

@keyframes widthPulse {
  0% {
    width: 50px;
    opacity: 1;
  }
  50% {
    width: 100px;
    opacity: 0.5;
  }
  100% {
    width: 50px;
    opacity: 1;
  }
}

.message-list {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid #374151;
  border-radius: 10px;
  padding: 15px;
  background: #0f1217;
  margin-bottom: 15px;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
}

.message-item {
  padding: 12px;
  border-bottom: 1px solid #374151;
  transition: all 0.3s;
  border-radius: 8px;
}

.message-item:hover {
  background: #1f2937;
  transform: translateX(5px);
}

.message-item strong {
  color: #3b82f6;
  font-size: 1.1rem;
}

.message-item small {
  color: #9ca3af;
  margin-left: 10px;
}

.message-item p {
  color: #e5e7eb;
  margin-top: 5px;
}

.forum-form textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #374151;
  border-radius: 8px;
  resize: vertical;
  margin-bottom: 10px;
  background: #0f1217;
  color: #e5e7eb;
  transition: all 0.3s;
}

.forum-form textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.forum-form button {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  border: none;
  padding: 12px 25px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

/* Hiệu ứng chớp sáng cho button forum */
.forum-form button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
  pointer-events: none;
}

.forum-form button:hover::before {
  left: 100%;
}

.forum-form button:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6);
}

/* ========== PROFILE ========== */
.profile-container {
  max-width: 900px;
  margin: 30px auto;
  padding: 30px;
  background: #1f2937;
  border-radius: 20px;
  border: 1px solid #374151;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.profile-container::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  animation: rotate 10s linear infinite;
  pointer-events: none;
}

.profile-info p {
  margin: 15px 0;
  padding: 15px;
  background: #0f1217;
  border-radius: 10px;
  color: #d1d5db;
  border: 1px solid #374151;
  transition: all 0.3s;
  position: relative;
  z-index: 1;
}

.profile-info p:hover {
  transform: translateX(5px);
  border-color: #3b82f6;
  box-shadow: 0 5px 15px rgba(59, 130, 246, 0.2);
}

.profile-info strong {
  color: #3b82f6;
  margin-right: 10px;
}

.change-password input {
  width: 100%;
  padding: 14px;
  margin: 8px 0;
  border: 1px solid #374151;
  border-radius: 8px;
  background: #0f1217;
  color: #e5e7eb;
  transition: all 0.3s;
}

.change-password input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.change-password button {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  border: none;
  padding: 14px;
  border-radius: 8px;
  width: 100%;
  font-weight: 600;
  cursor: pointer;
  margin-top: 15px;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(59, 130, 246, 0.4);
}

/* Hiệu ứng chớp sáng cho button đổi mật khẩu */
.change-password button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
  pointer-events: none;
}

.change-password button:hover::before {
  left: 100%;
}

.change-password button:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.6);
}

.log-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

.log-table th,
.log-table td {
  border: 1px solid #374151;
  padding: 12px;
  text-align: left;
  color: #d1d5db;
}

.log-table th {
  background: #0f1217;
  color: #3b82f6;
  font-weight: 600;
}

.log-table td {
  background: #1f2937;
}

.log-table tr {
  transition: all 0.3s;
}

.log-table tr:hover td {
  background: #2a2f38;
  color: #3b82f6;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  header {
    padding: 12px 20px;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .mobile-bottom-nav {
    display: block;
  }

  footer {
    margin-bottom: 80px;
  }

  .main-content {
    flex-direction: column;
    padding: 15px;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .marquee-content {
    animation: marquee 15s linear infinite;
    font-size: 0.9rem;
  }

  .recharge-methods {
    grid-template-columns: 1fr;
  }

  .auth-split {
    flex-direction: column;
    margin: 10px;
  }

  .auth-left {
    display: none;
  }

  .forum-layout {
    flex-direction: column;
  }

  .products {
    padding: 15px;
  }

  .products h2 {
    font-size: 1.5rem;
  }

  .logo h1 {
    font-size: 1.2rem;
  }

  .dropdown-content {
    min-width: 160px;
    right: 0;
    left: auto;
  }

  /* Tối ưu touch cho mobile */
  .product-card button,
  .recharge-btn,
  .forum-form button,
  .auth-right button {
    min-height: 44px;
  }

  .top-recharge li {
    padding: 15px;
  }

  .mobile-nav a {
    padding: 15px;
  }
  
  /* Responsive cho ad-video và gif-ad */
  .ad-video,
  .gif-ad {
    height: 300px;
  }
  
  /* Responsive cho quick-offer */
  .quick-offer {
    margin: 10px 0;
  }
}

/* Hiệu ứng loading cho button */
@keyframes buttonPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
  }
}

.recharge-btn:active,
.product-card button:active,
.auth-right button:active {
  animation: buttonPulse 0.5s;
}

/* Auth message styles */
.auth-message {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    text-align: center;
    animation: slideDown 0.3s ease;
}

.auth-message.success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid #10b981;
    color: #10b981;
}

.auth-message.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid #ef4444;
    color: #ef4444;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}