style.css

/* General page setup */
body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Inter', sans-serif;
    background-color: #121212; /* Dark background */
    color: #e0e0e0;
    overflow: hidden; /* Prevent scrollbars on both pages */
}

/* === HOMEPAGE STYLES === */

/* Main container for centering homepage content */
.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    padding: 5vh 20px;
    box-sizing: border-box;
    gap: 2.5rem; 
}

/* Homepage Title and Description */
.content {
    text-align: center;
}
.title {
    font-size: 4rem; 
    font-weight: 700;
    /* CHANGED: Switched to a green gradient */
    background: -webkit-linear-gradient(45deg, #66BB6A, #2E7D32);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}
.description {
    font-size: 1.1rem;
    color: #9e9e9e; 
    max-width: 500px;
}

/* Homepage Input Area */
.input-container {
    width: 100%;
    max-width: 700px; 
}
#word-input {
    width: 100%;
    padding: 18px 25px;
    font-size: 1.2rem;
    color: #e0e0e0;
    background-color: #1e1e1e;
    border: 1px solid #333;
    border-radius: 50px; 
    box-sizing: border-box; 
    outline: none;
    transition: all 0.2s ease-in-out;
}
#word-input:focus {
    border-color: #654321; /* CHANGED: Darker brown border color */
    box-shadow: 0 0 15px rgba(101, 67, 33, 0.4); /* CHANGED: Darker brown glow with slightly more opacity */
}

/* === LOADING SCREEN STYLES (Used on both pages, initially shown on tree.html) === */

#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 18, 18, 0.95); /* Darker overlay */
    display: flex; /* Changed from none */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000; 
    opacity: 1; /* Start fully visible */
    transition: opacity 0.5s ease-out; /* Smooth fade-out */
}
#loading-overlay.hidden {
    opacity: 0; /* Fade out */
    pointer-events: none; /* Allow clicks to pass through when hidden */
    /* We keep display: flex so the fade-out transition works */
}

/* Spinner Animation */
.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #444; 
    border-top: 5px solid #00c545; 
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}
#loading-overlay p {
    color: #9e9e9e;
    font-size: 1.2rem;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* === TREE PAGE STYLES === */

/* Container for the 3D scene */
#scene-container {
    width: 100vw;
    height: 100vh;
    display: flex; /* Needed for error message centering */
    justify-content: center;
    align-items: center;
    position: absolute; /* Take up space even when hidden initially */
    top: 0;
    left: 0;
}
#scene-container.hidden {
    display: none; /* Hide completely until ready */
}

/* Canvas element added by Three.js */
#scene-container canvas {
    display: block; /* Remove extra space below canvas */
}

/* === SIDEBAR === */
#sidebar {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1100;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    padding: 14px 14px 12px;
    width: 240px;
    color: #e8e8e8;
    font-family: 'Inter', sans-serif;
    box-shadow: 0 10px 30px rgba(0,0,0,0.35);
    text-align: right; /* ✅ Right justify content */
  }
  
  #sidebar h2 {
    margin: 0 0 10px;
    font-size: 1.1rem;
    letter-spacing: 0.3px;
  }
  
  #generate-tree {
    display: inline-block;
    width: 100%;
    padding: 10px 12px;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    background: #226c22;
    color: #0b0b0b;
    transition: transform 0.08s ease, box-shadow 0.2s ease, background 0.2s ease;
  }
  #generate-tree:hover { 
    background: #41c641; 
    color: #000000;
  }
  #generate-tree:active { transform: translateY(1px); }
  
  .sidebar-note {
    display: flex;
    align-items: center;
    justify-content: flex-end; /* ✅ Align items to the right */
    gap: 8px;
    margin: 10px 0 6px;
    color: #e8e8e8; /* ✅ Not green anymore */
    font-size: 0.9rem;
  }
  .sidebar-note .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #845929;
    box-shadow: 0 0 10px #d89e3b88;
    flex-shrink: 0;
  }
  
  #tree-status {
    margin: 6px 0 0;
    font-size: 0.9rem;
    color: #9e9e9e;
  }
  
  @media (max-width: 640px) {
    #sidebar {
      top: 12px;
      left: 12px;
      width: 200px;
      padding: 12px;
    }
  }