@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;700&display=swap');

:root {
  --primary-color: #1B4F8A;
  --accent-color: #1E8449;
  --bg-color: #f8f9fa;
  --text-color: #333333;
  
  /* Category Colors */
  --cat-research: #0d6efd;      /* 藍色 */
  --cat-competition: #fd7e14;   /* 橘色 */
  --cat-entrepreneurship: #198754; /* 綠色 */
  --cat-patent: #6f42c1;        /* 紫色 */
  --cat-association: #d63384;   /* 粉色 */
  --cat-volunteer: #dc3545;     /* 紅色 */
}

body {
  font-family: 'Noto Sans TC', sans-serif;
  font-weight: 400;
  color: var(--text-color);
  background-color: var(--bg-color);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--primary-color);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header Navbar */
.navbar-brand img {
  max-height: 50px;
}
/* --- Navigation --- */
.navbar-nav .nav-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
}
.navbar.navbar-light .navbar-nav .nav-link:hover {
  color: var(--accent-color);
}
.nav-en-subtitle {
  display: block;
  font-size: 0.85rem;
  font-weight: 400;
  color: #888;
  line-height: 1.2;
  margin-top: 3px;
}

/* Mobile Menu overrides for pure JS implementation */
.mobile-menu-active .offcanvas-nav {
  transform: translateX(0) !important;
  visibility: visible !important;
}

/* Hero Section */
.hero-banner {
  color: #fff;
  padding: 100px 0;
  text-align: center;
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  /* background-position is inline in HTML, but we can override it with !important if needed, or we just rely on the inline style being changed. Actually, the inline style has background-position: center; we need to override it here to center top */
  background-position: center 30% !important;
}
.hero-banner h1 {
  color: #fff;
  font-size: 3rem;
  margin-bottom: 20px;
}
.hero-banner p {
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto;
}

/* Number Counters */
.counter-box {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  text-align: center;
  transition: transform 0.3s;
}
.counter-box:hover {
  transform: translateY(-5px);
}
.counter-box .number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 10px;
}

/* Cards */
.achievement-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.achievement-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}
.card-img-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.achievement-card:hover .card-img-wrapper img {
  transform: scale(1.05);
}
.cat-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  padding: 5px 12px;
  border-radius: 20px;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  z-index: 2;
}
.cat-badge.research { background-color: var(--cat-research); }
.cat-badge.competition { background-color: var(--cat-competition); }
.cat-badge.entrepreneurship { background-color: var(--cat-entrepreneurship); }
.cat-badge.patent { background-color: var(--cat-patent); }
.cat-badge.association { background-color: var(--cat-association); }
.cat-badge.volunteer { background-color: var(--cat-volunteer); }

.card-body {
  padding: 24px 32px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.card-meta {
  font-size: 0.85rem;
  color: #6c757d;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
}
.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--primary-color);
}
.card-tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  background: #e9ecef;
  color: #495057;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
}

/* Filters */
/* Unified Category Filter Colors */
.filter-btn:not(.year-filter).active, .filter-btn:not(.year-filter):hover {
  background-color: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}
.filter-btn {
  border: 2px solid transparent;
  background: #fff;
  border-radius: 30px;
  padding: 8px 16px;
  margin: 5px;
  font-weight: 700;
  color: #495057;
  transition: all 0.3s;
}
.filter-btn:hover, .filter-btn.active {
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}


/* Custom JS Lightbox */
#custom-lightbox {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s;
}
#custom-lightbox.active {
  display: flex;
  opacity: 1;
}
.lightbox-content {
  width: 90%;
  max-width: 1000px;
  height: 85vh;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
}
@media (min-width: 768px) {
  .lightbox-content {
    flex-direction: row;
  }
}
.lightbox-img-wrapper {
  flex: 1 1 65%;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  overflow: hidden;
  position: relative;
  padding: 20px;
}
.lightbox-text-wrapper {
  flex: 1 1 35%;
  padding: 40px 30px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.lightbox-img-wrapper img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.lightbox-caption {
  color: var(--primary-color);
  text-align: left;
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 1.4rem;
  font-weight: 700;
}
.lightbox-desc {
  color: #333;
  text-align: justify;
  margin-top: 0;
  font-size: 1rem;
  line-height: 1.8;
  max-width: 100%;
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: #fff;
  font-size: 40px;
  cursor: pointer;
  z-index: 10000;
}
.lightbox-prev, .lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  font-size: 40px;
  cursor: pointer;
  padding: 20px;
  user-select: none;
  background: rgba(0,0,0,0.3);
  border-radius: 5px;
}
.lightbox-prev:hover, .lightbox-next:hover { background: rgba(0,0,0,0.7); }
.lightbox-prev { left: 10px; }
.lightbox-next { right: 10px; }
.lightbox-dots {
  text-align: left;
  margin-top: 25px;
}
.lightbox-dot {
  display: inline-block;
  width: 12px; height: 12px;
  background: #ddd;
  border-radius: 50%;
  margin: 0 6px 0 0;
  cursor: pointer;
  transition: background 0.3s;
}
.lightbox-dot.active { background: var(--primary-color); }

/* Back to Top */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--primary-color);
  color: #fff;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 999;
}
#back-to-top.show {
  opacity: 1;
  visibility: visible;
}
#back-to-top:hover {
  background: var(--accent-color);
}

/* Footer */
footer {
  background-color: var(--primary-color);
  color: #fff;
}
footer a {
  color: rgba(255,255,255,0.8);
}
footer a:hover {
  color: var(--accent-color);
}


.card-img-top {
  height: 220px;
  object-fit: cover;
  width: 100%;
}


.btn-primary {
  transition: all 0.3s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}


.navbar-nav .nav-link {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}


@media (max-width: 767.98px) {
  /* Hero Banner RWD Optimization */
  .hero-banner {
    min-height: auto !important;
    padding: 60px 0 !important;
  }
  .hero-banner .container {
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
  }
  
  /* Shrink Titles */
  .hero-banner h1, .hero-banner .display-1, .hero-banner .display-2, .hero-banner .display-3 {
    font-size: 1.75rem !important;
    margin-bottom: 1rem !important;
  }
  h2.display-4, .display-4 {
    font-size: 1.75rem !important;
  }
  
  /* Shrink Text & Line Height */
  .hero-banner p.lead, .hero-banner .fs-24, .hero-banner .fs-22 {
    font-size: 1rem !important;
    line-height: 1.35 !important;
    margin-bottom: 0.8rem !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  
  /* Shrink Buttons & Vertical Spacing */
  .hero-banner .btn {
    font-size: 0.9rem !important;
    padding: 0.4rem 1rem !important;
    margin-top: 0.2rem !important;
    margin-bottom: 0.2rem !important;
  }
}


/* IG Header Icon Hover */
.navbar-other .ig-icon {
  transition: all 0.3s ease;
}
.navbar-other .ig-icon:hover {
  color: #E1306C !important;
  transform: translateY(-2px) scale(1.1);
}


/* Footer Font Size Increase */
footer h4.widget-title {
  font-size: 1.35rem;
  font-weight: 700;
}
footer p, footer ul li, footer a, footer .ig-footer-link span {
  font-size: 1.05rem;
}
footer .nav-en-subtitle {
  font-size: 0.9rem;
}
footer .fs-14 {
  font-size: 0.95rem !important;
}

/* Footer IG Hover */
footer .ig-footer-link {
  transition: all 0.3s ease;
}
footer .ig-footer-link:hover, footer .ig-footer-link:hover i {
  color: #E1306C !important;
}
footer .ig-footer-link:hover {
  transform: translateX(3px);
}

/* IG Header Icon Color */
.navbar-other .ig-icon i {
  color: #E1306C !important;
}


/* Enlarge Logo and Reduce Header Padding */
.navbar {
  padding-top: 2px !important;
  padding-bottom: 2px !important;
}
.header-logo {
  max-height: 75px !important;
  width: auto;
  transition: all 0.3s ease;
}
@media (max-width: 991.98px) {
  .header-logo {
    max-height: 55px !important; /* Keep mobile reasonable */
  }
}


/* Larger Rounded Buttons */
.btn.rounded-pill {
  font-size: 1.1rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
}
.btn.rounded-pill.btn-lg {
  font-size: 1.25rem;
  padding: 1rem 2.25rem;
}

/* Form Input and Label Font Size */
.form-control {
  font-size: 1.1rem !important;
}
.form-floating > label {
  font-size: 1.1rem !important;
}


/* Faculty Card Badge Enlarge */
.card-body .badge.rounded-pill.p-2 {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.5rem 0.8rem !important;
}


/* Soft Backgrounds for Badges */
.bg-soft-success {
  background-color: rgba(30, 132, 73, 0.15) !important;
}
.text-success {
  color: #1E8449 !important;
}
.bg-soft-warning {
  background-color: rgba(253, 126, 20, 0.15) !important;
}
.text-warning {
  color: #d35400 !important;
}


/* Highlight Admission CTA in Navbar */
.navbar-nav .nav-item:has(.highlight-cta) {
  display: flex;
  align-items: center;
}
.navbar-nav .nav-item .nav-link.highlight-cta {
  background-color: #fd7e14; /* Orange highlight */
  color: #ffffff !important;
  border-radius: 30px;
  padding: 0.5rem 1.2rem !important;
  margin-left: 0.5rem;
  box-shadow: 0 4px 10px rgba(253, 126, 20, 0.3);
  transition: all 0.3s ease;
  margin-top: auto;
  margin-bottom: auto;
}
.navbar-nav .nav-item .nav-link.highlight-cta:hover {
  background-color: #e66b0c;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(253, 126, 20, 0.4);
}
.navbar-nav .nav-item .nav-link.highlight-cta .nav-en-subtitle {
  color: rgba(255, 255, 255, 0.9) !important;
}
@media (max-width: 991.98px) {
  .navbar-nav .nav-item:has(.highlight-cta) {
    justify-content: center;
  }
  .navbar-nav .nav-item .nav-link.highlight-cta {
    margin-left: auto;
    margin-right: auto;
    margin-top: 0.5rem;
    display: flex;
    width: fit-content;
  }
}


/* Year Filter Colors */
.filter-btn.year-filter {
  background: #f8f9fa;
  border: 2px solid transparent;
  color: #6c757d;
}
.filter-btn.year-filter.active, .filter-btn.year-filter:hover {
  background-color: #fd7e14; /* Orange tone for years */
  border-color: #fd7e14;
  color: #fff;
}