/*
 * CỔNG THÔNG TIN SỐ ĐOÀN - HỘI HUIT
 * CSS dùng chung cho toàn bộ các trang.
 */

:root {
  --huit-blue-950: #063b59;
  --huit-blue-900: #064f78;
  --huit-blue-800: #005f94;
  --huit-blue-700: #0076b5;
  --huit-blue-500: #18a9d5;
  --huit-cyan-100: #e8f7fc;
  --huit-teal-600: #078b70;
  --huit-border: rgba(0, 95, 148, .17);
  --huit-line: rgba(0, 95, 148, .12);
  --huit-ink: #17384d;
  --huit-muted: #647d8e;
  --huit-surface: #ffffff;
  --huit-soft: #f3f9fc;
  --huit-focus: rgba(0, 118, 181, .28);
  --huit-shadow-sm: 0 8px 20px rgba(4, 61, 91, .08);
  --huit-shadow-md: 0 18px 44px rgba(4, 61, 91, .13);
  --huit-radius: 18px;
  --huit-ease: 180ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--huit-ink);
  background: var(--huit-soft);
  font-family: Inter, "Be Vietnam Pro", Arial, sans-serif;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

img,
svg,
video,
iframe {
  display: block;
  max-width: 100%;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: min(1240px, calc(100% - 32px));
  max-width: 100%;
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 10000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  color: #fff;
  background: var(--huit-blue-950);
  transform: translateY(-160%);
  transition: transform var(--huit-ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-announcement {
  color: #eafaff;
  background: linear-gradient(90deg, var(--huit-blue-950), var(--huit-blue-800));
  font-size: .76rem;
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 34px;
}

.announcement-inner p,
.announcement-inner a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
}

.announcement-inner a {
  color: #fff;
  font-weight: 700;
}

.announcement-inner a:hover {
  color: #a9edff;
}

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  border-bottom: 1px solid rgba(216, 230, 239, .9);
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 5px 22px rgba(16, 71, 104, .06);
  backdrop-filter: blur(16px);
  transition: background var(--huit-ease), box-shadow var(--huit-ease);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 10px 28px rgba(16, 71, 104, .12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 28px);
  width: min(1320px, calc(100% - 32px));
  min-height: 78px;
  margin-inline: auto;
  padding-block: 10px;
}

.logo-container {
  flex: 1 1 auto;
  min-width: 0;
}

.logo-container > a {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.logo-container img {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  object-fit: contain;
  filter: drop-shadow(0 6px 10px rgba(0, 95, 148, .14));
}

.logo-text {
  min-width: 0;
  overflow: hidden;
  color: var(--huit-blue-800);
  font-family: "Be Vietnam Pro", Inter, sans-serif;
  font-size: .92rem;
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1.35;
  white-space: normal;
}

.logo-text span {
  display: block;
  margin-top: 3px;
  color: var(--huit-muted);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .02em;
}

.main-nav {
  flex: 0 1 auto;
  min-width: 0;
}

.main-nav ul {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(4px, 1.1vw, 18px);
}

.main-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 8px 5px;
  color: #20475e;
  font-size: .79rem;
  font-weight: 700;
  white-space: nowrap;
  transition: color var(--huit-ease), transform var(--huit-ease);
}

.main-nav a::after {
  position: absolute;
  right: 5px;
  bottom: 1px;
  left: 5px;
  height: 2px;
  border-radius: 99px;
  background: var(--huit-blue-700);
  content: "";
  transform: scaleX(0);
  transition: transform var(--huit-ease);
}

.main-nav a:hover,
.main-nav a[aria-current="page"],
.main-nav a.active {
  color: var(--huit-blue-700);
}

.main-nav a:hover {
  transform: translateY(-1px);
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  gap: 9px;
  min-width: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 17px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: inherit;
  font-size: .83rem;
  font-weight: 800;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  transition: transform var(--huit-ease), box-shadow var(--huit-ease), background var(--huit-ease), border-color var(--huit-ease), color var(--huit-ease);
}

.btn:hover:not(:disabled) {
  transform: translateY(-2px);
}

.btn:active:not(:disabled) {
  transform: translateY(0) scale(.98);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: .58;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--huit-blue-700), var(--huit-blue-800));
  box-shadow: 0 9px 20px rgba(0, 118, 181, .18);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--huit-blue-800), var(--huit-blue-950));
  box-shadow: 0 12px 25px rgba(0, 95, 148, .25);
}

.btn-outline {
  border-color: #8fc9e3;
  color: var(--huit-blue-800);
  background: #fff;
}

.btn-outline:hover:not(:disabled) {
  color: #fff;
  background: var(--huit-blue-700);
}

.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  color: var(--huit-blue-800);
  background: transparent;
  font-size: 1.1rem;
  cursor: pointer;
}

.mobile-toggle:hover {
  background: var(--huit-cyan-100);
}

/* Sửa lỗi khu vực tài khoản Firebase */
.global-account {
  position: relative;
  z-index: 100;
  display: block;
  flex: 0 0 auto;
  width: auto;
  max-width: 100%;
}

.global-account-trigger {
  display: inline-flex !important;
  align-items: center;
  gap: 9px;
  width: auto;
  max-width: min(260px, 42vw);
  min-height: 46px;
  padding: 4px 10px 4px 5px;
  overflow: hidden;
  border: 1px solid var(--huit-border);
  border-radius: 999px;
  color: var(--huit-blue-950);
  background: rgba(255, 255, 255, .94);
  cursor: pointer;
}

.global-account-avatar,
img.global-account-avatar,
span.global-account-avatar {
  display: inline-flex !important;
  flex: 0 0 36px !important;
  align-items: center;
  justify-content: center;
  width: 36px !important;
  min-width: 36px !important;
  max-width: 36px !important;
  height: 36px !important;
  min-height: 36px !important;
  max-height: 36px !important;
  overflow: hidden;
  border-radius: 50%;
  object-fit: cover;
  color: #fff;
  background: linear-gradient(135deg, var(--huit-blue-700), var(--huit-teal-600));
  font-size: .76rem;
  font-weight: 800;
  line-height: 1;
}

.global-account-copy {
  display: grid !important;
  min-width: 0;
  max-width: 168px;
  overflow: hidden;
  text-align: left;
  line-height: 1.2;
}

.global-account-copy strong,
.global-account-copy small {
  display: block;
  max-width: 168px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.global-account-copy strong {
  color: var(--huit-blue-950);
  font-size: .84rem;
  font-weight: 800;
}

.global-account-copy small {
  margin-top: 3px;
  color: var(--huit-muted);
  font-size: .68rem;
}

.global-account-chevron {
  flex: 0 0 auto;
  color: var(--huit-blue-700);
  font-size: .72rem;
}

.global-account-menu {
  position: absolute !important;
  z-index: 1200;
  top: calc(100% + 10px);
  right: 0;
  display: grid !important;
  width: max-content;
  min-width: 220px;
  max-width: min(300px, calc(100vw - 24px));
  padding: 8px;
  border: 1px solid var(--huit-border);
  border-radius: 16px;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 18px 42px rgba(4, 52, 76, .18);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px) scale(.98);
  transition: opacity var(--huit-ease), transform var(--huit-ease), visibility var(--huit-ease);
}

.global-account.is-open .global-account-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.global-account-menu a,
.global-account-menu button {
  display: flex !important;
  align-items: center;
  gap: 10px;
  width: 100% !important;
  min-height: 40px;
  padding: 9px 11px;
  border-radius: 10px;
  color: #244b62;
  background: transparent;
  font-size: .84rem;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
}

.global-account-menu a:hover,
.global-account-menu button:hover {
  color: var(--huit-blue-800);
  background: var(--huit-cyan-100);
}

.global-account-menu i {
  width: 18px;
  color: var(--huit-blue-700);
  text-align: center;
}

.global-account-divider {
  display: block;
  width: calc(100% - 8px);
  height: 1px;
  margin: 6px 4px;
  background: var(--huit-border);
}

.global-account-logout,
.global-account-logout i {
  color: #b42318 !important;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--huit-focus);
  outline-offset: 3px;
}

body.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}

body.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

body.menu-open,
body.modal-open {
  overflow: hidden;
}

.modal-overlay {
  position: fixed;
  z-index: 9999;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(3, 29, 43, .72);
  backdrop-filter: blur(7px);
}

.modal-content {
  position: relative;
  width: min(100%, 1000px);
  max-height: min(90vh, 900px);
  overflow: auto;
  padding: clamp(20px, 4vw, 32px);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .3);
}

.modal-header {
  margin: 0 38px 20px 0;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--huit-line);
  color: var(--huit-blue-800);
  font-family: "Be Vietnam Pro", Inter, sans-serif;
  font-size: clamp(1.05rem, 2vw, 1.45rem);
  font-weight: 800;
  text-align: center;
}

.close-btn,
.lightbox-close {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--huit-muted);
  background: transparent;
  cursor: pointer;
}

.close-btn {
  top: 13px;
  right: 15px;
  width: 38px;
  height: 38px;
  font-size: 1.7rem;
}

.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: 14px;
}

.image-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--huit-line);
  border-radius: 13px;
  object-fit: cover;
  cursor: zoom-in;
}

.lightbox-overlay {
  position: fixed;
  z-index: 10000;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 26px;
  background: rgba(3, 17, 26, .92);
}

.lightbox-overlay img {
  max-width: min(100%, 1100px);
  max-height: 88vh;
  border-radius: 14px;
}

.lightbox-close {
  top: 18px;
  right: 22px;
  width: 44px;
  height: 44px;
  color: #fff;
  font-size: 2rem;
}

.site-footer {
  padding: 54px 0 0;
  color: #eaf8fc;
  background: linear-gradient(135deg, #063b59, #005f94);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr .7fr;
  gap: 30px;
  padding-bottom: 36px;
}

.footer-col h4 {
  margin: 0 0 14px;
  color: #fff;
  font-size: .92rem;
}

.footer-col p,
.footer-col li {
  margin: 0 0 8px;
  color: rgba(234, 248, 252, .78);
  font-size: .78rem;
}

.footer-col p i {
  width: 18px;
  color: #8ce5f6;
}

.footer-social {
  display: flex;
  gap: 9px;
}

.footer-social a {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, .1);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 20px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, .16);
  color: rgba(234, 248, 252, .72);
  font-size: .72rem;
}

.noscript-notice {
  position: fixed;
  z-index: 10001;
  right: 12px;
  bottom: 12px;
  left: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  color: #fff;
  background: #b42318;
  text-align: center;
}

@media (max-width: 860px) {
  .main-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 16px;
    left: 16px;
    display: block;
    padding: 12px;
    border: 1px solid var(--huit-border);
    border-radius: 16px;
    background: rgba(255, 255, 255, .98);
    box-shadow: var(--huit-shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
  }

  .main-nav.active {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .main-nav ul {
    display: grid;
    gap: 3px;
  }

  .main-nav a {
    display: flex;
    min-height: 42px;
    padding: 10px 12px;
    border-radius: 10px;
  }

  .main-nav a::after {
    display: none;
  }

  .mobile-toggle {
    display: grid;
    place-items: center;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .container,
  .header-inner {
    width: min(100% - 24px, 1240px);
  }

  .announcement-inner {
    min-height: 32px;
    font-size: .68rem;
  }

  .announcement-inner p {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .announcement-inner a i {
    display: none;
  }

  .header-inner {
    min-height: 68px;
    padding-block: 9px;
  }

  .logo-container img {
    flex-basis: 40px;
    width: 40px;
    height: 40px;
  }

  .logo-text {
    max-width: 190px;
    font-size: .78rem;
  }

  .logo-text span {
    font-size: .59rem;
  }

  .global-account-trigger {
    max-width: 46px;
    padding: 4px;
  }

  .global-account-copy,
  .global-account-chevron {
    display: none !important;
  }

  .global-account-avatar,
  img.global-account-avatar,
  span.global-account-avatar {
    flex-basis: 34px !important;
    width: 34px !important;
    min-width: 34px !important;
    max-width: 34px !important;
    height: 34px !important;
    min-height: 34px !important;
    max-height: 34px !important;
  }

  .global-account-menu {
    right: -4px;
    max-width: calc(100vw - 24px);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .footer-bottom {
    display: grid;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}