/* Reset and general styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body */
body {
    font-family: 'Nunito', sans-serif;
    background-color: #f0f5f3; /* Light green background for the gallery */
    color: #2a3d2f;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background-color: #a9cba7; /* Light green navbar */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.navbar .logo {
    font-size: 24px;
    font-weight: bold;
    color: #2a3d2f;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links li {
    list-style-type: none;
}

.nav-links a {
    text-decoration: none;
    font-size: 18px;
    color: #2a3d2f;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #d4f1c7; /* Light mint green on hover */
}

/* Gallery Page */
.gallery-page {
    text-align: center;
    padding: 40px 20px;
}

.gallery-page h1 {
    font-size: 2.5rem;
    font-weight: bold;
    color: #2a3d2f;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

/* Gallery Page */
.gallery-page {
  text-align: center;
  padding: 40px 20px;
}

.gallery-page h1 {
  font-size: 2.5rem;
  font-weight: bold;
  color: #2a3d2f;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.gallery-page p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.gallery-page button#downloadAll {
    margin-bottom: 15px;
    display: inline-block;
    background-color: #2a3d2f;
    color: white;
    padding: 10px 20px;
    font-size: 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button#downloadAll:hover {
    background-color: #d4f1c7; /* Light mint green on hover */
}

/* Preview Overlay Styles */
.image-preview {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0,0,0,0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  cursor: zoom-out;
}

.image-preview.hidden {
  display: none;
}

.image-preview img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 8px;
  box-shadow: 0 0 30px rgba(255,255,255,0.8);
  cursor: default;
}

/* Close button */
#closePreview {
  position: fixed;
  top: 20px;
  right: 30px;
  background: transparent;
  border: none;
  font-size: 3rem;
  color: white;
  cursor: pointer;
  z-index: 1100;
  font-weight: bold;
  line-height: 1;
  padding: 0;
  user-select: none;
  transition: color 0.3s ease;
}

#closePreview:hover {
  color: #f44336; /* red on hover */
}


/* Tree Gallery */
.tree-gallery {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

/* Star Row */
.tree-row.star-row {
    margin-bottom: 20px;
}

.star {
    width: 80px;
    height: 80px;
    object-fit: contain;
    animation: starAnimation 3s ease-in-out infinite;
}

@keyframes starAnimation {
    0% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(180deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Tree Rows (Tiers) */
.tree-row {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.tree-row img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.tree-row img:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Tablet Screens */
@media screen and (max-width: 768px) {
    .tree-row img {
        width: 80px;
        height: 80px;
    }

    .gallery-page h1 {
        font-size: 2rem;
    }

    button {
        font-size: 1rem;
        padding: 8px 16px;
    }

    .tree-row {
        gap: 15px;
    }

    .star {
        width: 60px;
        height: 60px;
    }
}

/* Mobile Screens */
@media screen and (max-width: 480px) {
    . .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .tree-gallery {
        gap: 10px;
    }

    .tree-row {
        flex-wrap: wrap; /* Allow images to wrap if they overflow */
        justify-content: center;
        gap: 10px;
    }

    .tree-row img {
        width: 60px;
        height: 60px;
    }

    .star {
        width: 50px;
        height: 50px;
    }

    .gallery-page h1 {
        font-size: 1.5rem;
    }

    .gallery-page p {
        font-size: 1rem;
    }

    button {
        font-size: 0.9rem;
        padding: 6px 12px;
    }
}