.watermark-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.2em;
  margin-bottom: 2.5em;
  justify-items: center;
}
.month-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
  filter: blur(7px) saturate(1.2);
  width: 500px;
  height: 260px;
  background: url('/images/logos/logo-green-ver.png') center center/contain no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}
body.dark-mode .month-watermark {
  background-image: url('/images/logos/coders_white_cropped.png');
}
@media (max-width: 700px) {
  .month-watermark {
    width: 120px;
    height: 120px;
  }
}
.watermark-grid .photo-card-gallery {
  z-index: 1;
}
:root {
  --gallery-bg: #fff;
  --year-hr: #65ba29;
  --month: #1a3a6b;
  --photo-border: #65ba29;
  --green: #65ba29;
  --dark: #1f374f;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body.light-mode {
  --bg: #65ba29;
  --text: #222;
  --nav-bg: white;
  --nav-text: var(--green);
  --logo-src: url('/images/logos/logo-green-ver.png');
  --back-events-color: var(--green);
  --hero-color: var(--green);
  --events-shadow: 0 4px 24px 0 rgba(33, 58, 43, 0.38);
}
body.dark-mode {
  --gallery-bg: #1f374f;
  --year-hr: #4e9cff;
  --month: #4e9cff;
  --photo-border: #4e9cff;
  --bg: #111e2b;
  --text: white;
  --nav-bg: #111e2b;
  --nav-text: white;
  --back-events-color: var(--dark);
  --logo-src: url('/images/logos/coders_white_cropped.png');
  --hero-color: #1f374f;
  --events-shadow: 0 4px 24px 0 rgba(10, 18, 32, 0.85); 
}
body.light-mode,
body.dark-mode {
  font-family: 'Segoe UI', sans-serif;
  background-color: var(--bg);
  color: var(--text);
}
body {
  background: var(--photo-border);
}
#navbar {
  background-color: var(--nav-bg);
  color: var(--nav-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 2rem;
  width: 100%; 
  position: fixed;
  top: 0; 
  left: 0; 
  z-index: 1000;
  border-radius: 0; 
  transition: all 0.3s ease;
}
.nav-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.nav-left a {
  color: var(--nav-text);
  text-decoration: none;
  font-weight: bold;
  font-size: 1.2rem;
}
#logo-small {
  height: 32px;
  margin-right: 1rem;
  transition: 0.3s ease;
}
.nav-right button {
  background: none;
  border: none;
  color: var(--nav-text);
  font-size: 1.5rem;
  cursor: pointer;
}
.photos-gallery-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5em 1em 6em 1em; 
  background: var(--gallery-bg);
  ;
  box-shadow: 0 2px 24px 0 rgba(33, 58, 43, 0.13);
  position: relative;
  z-index: -1;
  
footer {
  position: relative;
  z-index: 10;
}
.gallery-bg-logo {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
  opacity: 0.13;
  filter: blur(7px) saturate(1.2);
  width: 420px;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (max-width: 700px) {
  .gallery-bg-logo {
    width: 220px;
    height: 220px;
  }
}
.photos-year-row {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2.5em 0 1.2em 0;
  width: 100%;
  position: relative;
  gap: 1.2em;
}
.photos-year {
  font-size: 2.3em;
  font-weight: 800;
  text-align: center;
  letter-spacing: 0.01em;
  padding: 0.15em 1.1em 0.15em 1.1em;
  background: var(--gallery-bg);
  z-index: 2;
  border-radius: 2em;
  box-shadow: 0 2px 12px 0 rgba(33,58,43,0.07);
  position: relative;
  line-height: 1.1;
  display: inline-block;
  color: var(--year-hr);
  border: 2px solid var(--year-hr);
  text-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.photos-year-hr {
  flex: 1 1 0;
  border: none;
  border-top: 4px solid var(--year-hr);
  margin: 0 0.5em;
  height: 0;
  min-width: 32px;
  opacity: 0.7;
  align-self: center;
  position: relative;
  top: 0.3em;
}
.photos-month-row {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 2em 0 1em 0;
}
.photos-month {
  font-size: 1.35em;
  font-weight: 600;
  color: var(--month);
  letter-spacing: 0.01em;
  background: var(--gallery-bg);
  padding: 0 0.5em;
  border-radius: 0.7em;
}
}

.photos-year {
  font-size: 2.3em;
  font-weight: 700;
  margin: 2.5em 0 1.2em 0;
  text-align: left;
  letter-spacing: 0.01em;
  color: var(--gallery-year, #65ba29);
}

body.dark-mode .photos-year {
  color: #65ba29;
}
body.light-mode .photos-year {
  color: #1a4d1a;
}

.photos-month {
  font-size: 1.35em;
  font-weight: 600;
  margin: 2em 0 1em 0;
  color: var(--gallery-month, #4e9cff);
  letter-spacing: 0.01em;
}
body.dark-mode .photos-month {
  color: #4e9cff;
}
body.light-mode .photos-month {
  color: #1a3a6b;
}

.photos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.2em;
  margin-bottom: 2.5em;
  justify-items: center;
}

.photo-card-gallery {
  background: var(--gallery-bg);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.13);
  border: 2.5px solid var(--photo-border);
  width: 210px;
  margin-bottom: 0.5em;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  transition: box-shadow 0.18s, border-color 0.18s;
}
.photo-img-wrap {
  width: 100%;
  height: 160px;
  background: #e6f2e6;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.photo-card-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 10px 10px 0 0;
}
.photo-meta {
  background: none;
  padding: 0.7em 0.7em 0.5em 0.7em;
  border-top: 1.5px solid var(--photo-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2em;
}
.photo-desc {
  font-size: 1em;
  color: var(--text);
  text-align: center;
  margin-bottom: 0.2em;
}
.photo-date {
  font-size: 0.95em;
  color: #888;
  text-align: center;
}

@media (max-width: 700px) {
  .photos-gallery-section {
    padding: 1.2em 0.2em 2em 0.2em;
  }
  .photos-year {
    font-size: 1.5em;
    margin: 1.5em 0 0.7em 0;
  }
  .photos-month {
    font-size: 1.1em;
    margin: 1.2em 0 0.7em 0;
  }
  .photos-grid {
    gap: 0.7em;
  }
  .photo-thumb img {
    height: 100px;
    border-radius: 8px;
  }
  .photo-thumb .caption {
    font-size: 0.92em;
    border-radius: 0 0 8px 8px;
    padding: 0.3em 0.4em;
  }
}