/* =============================================================================
   site.css — shared styles for taoni0718.github.io
   Sections:
     1. Base & reset
     2. Typography
     3. Layout (container widths, utilities)
     4. Navbar — desktop
     5. Navbar — mobile
     6. Profile card (sidebar)
     7. News feed & scroll boxes
     8. Footer
   ============================================================================= */


/* ---------- 1. Base & reset ------------------------------------------------ */

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

body {
  font-family: Lora, Georgia, serif;
  font-size: 18px;
  line-height: 1.65;
  color: #222;
  padding-top: 70px;
  padding-bottom: 40px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; }


/* ---------- 2. Typography -------------------------------------------------- */

p, li {
  font-size: 1em;
  line-height: 1.65;
}

h1, h2, h3, h4, h5, h6 {
  font-family: Lora, Georgia, serif;
  font-weight: 400;
  color: #222;
  line-height: 1.25;
}

h3 {
  font-size: 28px;
  margin-top: 8px;
  margin-bottom: 18px;
}

a { color: #0f8f8c; }

a:hover,
a:focus {
  color: #0b6f6d;
  text-decoration: none;
}

.bs-component p { margin-bottom: 18px; }


/* ---------- 3. Layout: container widths & utilities ------------------------ */

/* Lock container to a narrow desktop width across breakpoints, overriding
   Bootstrap's default 750/970/1170 ladder. */
@media (min-width: 768px)  { .container { width: 700px !important; } }
@media (min-width: 992px)  { .container { width: 920px !important; } }
@media (min-width: 1200px) { .container { width: 920px !important; } }

/* Vertical borders between columns (desktop only — stacking on phones makes
   side borders look wrong, so they're cleared below). */
.border-right { border-right: 1px solid #ddd; }
.border-left  { border-left:  1px solid #ddd; }
.borders {
  border-left:  1px solid #ddd;
  border-right: 1px solid #ddd;
  margin: -1px;
}

.sidebar-nav           { padding: 9px 0; }
.sidebar-section-title { font-size: 24px; margin-top: 0; margin-bottom: 14px; }

/* Prevent horizontal scroll from long words/URLs. */
.container, .bs-component, p, li {
  overflow-wrap: anywhere;
  word-break: break-word;
}


/* ---------- 4. Navbar — desktop -------------------------------------------- */

.navbar { min-height: 64px; }

.navbar-default {
  background-color: #fff;
  border: none;
  border-bottom: 1px solid #d9d9d9;
  box-shadow: none;
}

.navbar-brand {
  font-family: Lora, Georgia, serif;
  font-size: 20px;
  color: #222 !important;
  letter-spacing: 0.08em;
  font-variant: small-caps;
}

.navbar-brand img {
  height: auto !important;
  width: auto !important;
  max-height: 30px;
  max-width: 100%;
}

/* Animated underline on hover/active */
.navbar-default .navbar-nav > li > a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: #0f8f8c;
  transition: width 0.28s ease;
  transform: translateX(-50%);
}

.navbar-default .navbar-nav > li > a:hover::after,
.navbar-default .navbar-nav > li > a:focus::after,
.navbar-default .navbar-nav > .active > a::after,
.navbar-default .navbar-nav > .active > a:hover::after,
.navbar-default .navbar-nav > .active > a:focus::after {
  width: 100%;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus,
.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover,
.navbar-default .navbar-nav > .active > a:focus {
  color: #0b6f6d !important;
  text-decoration: none !important;
  background: transparent !important;
}

@media (min-width: 768px) {
  .navbar-brand {
    height: 64px;
    display: flex;
    align-items: center;
    padding-top: 0;
    padding-bottom: 0;
  }

  .navbar-default .navbar-nav > li > a {
    font-family: Lora, Georgia, serif;
    font-size: 17px;
    color: #0f8f8c !important;
    letter-spacing: 0.02em;
    position: relative;
    text-decoration: none !important;
    display: flex;
    align-items: center;
    height: 64px;
    padding-top: 0;
    padding-bottom: 0;
    background: transparent !important;
  }

  .navbar-default .navbar-nav > li > a::after { bottom: 12px; }
}


/* ---------- 5. Navbar — mobile (and small-screen tweaks) ------------------- */

@media (max-width: 767px) {
  body {
    font-size: 16px;
    line-height: 1.6;
  }

  h3 { font-size: 24px; }

  /* Stacked rows need a little breathing room */
  .row + .row { margin-top: 15px; }

  /* Clear vertical column borders when stacking */
  .border-left  { border-left:  none !important; }
  .border-right { border-right: none !important; }

  .navbar        { min-height: 56px; }
  .navbar-header { min-height: 56px; }

  .navbar-brand {
    height: 56px;
    padding: 10px 15px;
    display: flex;
    align-items: center;
  }

  .navbar-brand img {
    max-height: 22px !important;
    width: auto !important;
    height: auto !important;
  }

  .navbar-toggle {
    margin-top: 11px;
    margin-right: 15px;
    margin-bottom: 11px;
  }

  .navbar-collapse {
    border-top: none;
    box-shadow: none;
    background: #fff;
  }

  .navbar-nav        { float: none !important; margin: 0; }
  .navbar-nav > li   { float: none; }

  .navbar-default .navbar-nav > li > a {
    display: block;
    height: auto;
    padding: 12px 15px;
    font-size: 16px;
    line-height: 1.4;
    color: #0f8f8c !important;
    background-color: #fff !important;
  }

  .navbar-default .navbar-nav > li > a::after { display: none; }

  .navbar-default .navbar-nav > li > a:hover,
  .navbar-default .navbar-nav > li > a:focus,
  .navbar-default .navbar-nav > .active > a,
  .navbar-default .navbar-nav > .active > a:hover,
  .navbar-default .navbar-nav > .active > a:focus {
    color: #0b6f6d !important;
    background-color: #fff !important;
  }
}


/* ---------- 6. Profile card (sidebar) -------------------------------------- */

.profile-card {
  background: #f7f7f7;
  border: 1px solid #d9d9d9;
  border-radius: 10px;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
  padding: 18px 18px 16px 18px;
  text-align: center;
  margin-bottom: 26px;
}

.profile-card img {
  width: 100%;
  max-width: 220px;
  border-radius: 18px;
  display: block;
  margin: 0 auto 16px auto;
}

.profile-card-name {
  font-size: 20px;
  line-height: 1.25;
  margin-bottom: 8px;
  color: #222;
}

.profile-card-title,
.profile-card-affiliation,
.profile-card-email,
.profile-card-office {
  font-size: 15px;
  line-height: 1.55;
  margin-bottom: 6px;
  color: #222;
}

.profile-card-links {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.5;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.profile-card-links a {
  color: #0f8f8c;
  text-decoration: none;
}

.profile-card-links a:hover,
.profile-card-links a:focus {
  color: #0b6f6d;
  text-decoration: none;
}

.profile-icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #0f8f8c;
  border-radius: 8px;
  background: #fff;
  color: #0f8f8c !important;
  text-decoration: none !important;
  transition: all 0.2s ease;
}

.profile-icon iconify-icon {
  font-size: 18px;
  line-height: 1;
}

.profile-icon:hover,
.profile-icon:focus {
  background: #0f8f8c;
  color: #fff !important;
  text-decoration: none !important;
}

@media (max-width: 767px) {
  .profile-card {
    margin-top: 10px;
    padding: 16px;
  }

  .profile-card img     { max-width: 200px; }
  .profile-card-name    { font-size: 18px; }

  .profile-card-title,
  .profile-card-affiliation,
  .profile-card-email,
  .profile-card-office,
  .profile-card-links {
    font-size: 14px;
  }
}


/* ---------- 7. News feed & scroll boxes ------------------------------------ */

.news-container,
.scroll-box {
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
}

.news-container { max-height: 270px; }
.scroll-box     { max-height: 350px; }

.news-item {
  margin-bottom: 12px;
  line-height: 1.6;
}

.news-item:last-child { margin-bottom: 0; }

.news-text { display: block; }

@media (max-width: 767px) {
  .news-container { max-height: 45vh; }
  .scroll-box     { max-height: 38vh; }
}


/* ---------- 8. Footer ------------------------------------------------------ */

footer p {
  font-size: 14px;
  color: #777;
}