@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@100&display=swap');

body {
    font-family: "Noto Sans KR", serif;
    font-optical-sizing: auto;
    font-weight: 100;
    font-style: normal;
    margin: 0;
    overflow: hidden;
}
#closeB {
    color: #000;
    width: 20px;
    height: 20px;
    cursor: pointer;
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f8ecc2;
    border: 1px solid #8b5a2b;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
  }
  #tutbtn {
    position: fixed;
    bottom: 10px;
    right: 10px;
    width: 100px;
    height: 50px;
    background: url('scroll.avif') no-repeat center;
    background-size: cover;
    color: #4b3b30;
    font-size: 12px;
    border: 2px solid #8b5a2b;
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.7);
    text-align: center;
    text-shadow: 1px 1px #000;
    image-rendering: pixelated;
  }

  #tutbtn:hover {
    background-color: rgba(210, 180, 140, 0.8);
    border-color: #a98c6c;
  }
  #closeB:hover {
    background-color: #e6d3a3;
  }

.tutorial {
    background: url('scroll.avif') no-repeat center;
    border: 6px solid #8b5a2b;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
    width: 590px;
    height: 315px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    animation: fade-in 0.5s ease-out;
    position: relative;
  }

  .scroll {
    background-size: cover;
    flex-grow: 1;
    border-radius: 10px;
    padding: 20px;
    overflow: hidden;
    position: relative;
    image-rendering: pixelated;
  }

  .content {
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 20px;
  }

  .content h1 {
    font-size: 30px;
    color: #8b0000;
    text-shadow: 1px 1px #000;
    margin-bottom: 0px;
  }

  .content p {
    color: #000;
    margin: 5px 0;
    font-weight: bold;
  }

  .controls {
    display: flex;
    justify-content: space-between;
  }

  .scroll-button {
    background: #4b3b30;
    border: 2px solid #8b5a2b;
    color: #f8ecc2;
    font-size: 14px;
    padding: 10px;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    border-radius: 5px;
    transition: all 0.2s ease-in-out;

  }
  #prev-btn {
    position: absolute;
    bottom: 10px;
    left: 10px;
  }
 #next-btn {
    position: absolute;
    bottom: 10px;
    right: 10px;
  }

  .scroll-button:hover {
    background: #8b5a2b;
    color: #fff;
  }

  @keyframes fade-in {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background: url('mainBg.jpg') repeat;
    background-size: auto;
    animation: scrollBackground 20s linear infinite;
}

@keyframes scrollBackground {
    from {
        background-position: 0 0;
    }
    to {
        background-position: -1790px 0;
    }
}

.monster {
    position: absolute;
    width: 80px;
    height: 80px;
    background-image: url(eye.png);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    color: white;
    font-weight: bold;
}
.boss{
    position: absolute;
    width: 160px;
    height: 160px;
    background-image: url(boss.gif);
    display: flex;
    justify-content: center;
    align-items: flex-end;
    color: white;
    font-weight: bold;
}
.health-bar {
    position: absolute;
    bottom: -10px;
    left: 5px;
    width: 70px;
    height: 10px;
    background-color: rgba(255, 0, 0, 0.6);
}

.health-bar-inner {
    width: 100%;
    height: 100%;
    background-color: green;
}

.damage-indicator {
    position: absolute;
    color: yellow;
    font-weight: bold;
    animation: fade-out 1s forwards;
}

@keyframes fade-out {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-20px);
    }
}

#wave-summary {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.85);
    color: #ffd700;
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #444;
    text-align: center;
    display: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.7);
}

#wave-summary button {
    margin-top: 10px;
    padding: 10px 20px;
    background: #444;
    color: #ffd700;
    border: 2px solid #666;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

#wave-summary button:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(255, 215, 0, 0.6);
}


#upgrade-container {
    margin-top: 20px;
    text-align: left;
}

.upgrade-option {
    margin: 10px 0;
}

.upgrade-option button {
    margin-left: 10px;
    padding: 5px 10px;
    background: #2196F3;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.upgrade-level {
    margin-left: 5px;
    font-size: 0.9em;
    color: lightgray;
}
#start-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

#start-content {
    text-align: center;
}

#start-button {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 18px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#start-button:hover {
    background-color: #45a049;
}
#game-over-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    display: none;
}

#game-over-content {
    text-align: center;
}

#restart-button {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 18px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#restart-button:hover {
    background-color: #45a049;
}
#summary-tabs {
    display: flex;
    margin-bottom: 20px;
}

.tab-button {
    flex: 1;
    padding: 10px;
    margin: 0 20px;
    cursor: pointer;
    text-align: center;
}

.tab-button:hover {
    background-color: #555;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

#tooltip {
    position: absolute;
    display: none;
    z-index: 999;
    background: rgba(0, 0, 0, 0.9);
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 30px;
    white-space: nowrap;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    line-height: 1.8;
    letter-spacing: 1px;
    font-weight: bold;
}

.glow-border {
    outline: 5px solid red;
    outline-offset: -5px;
    box-shadow: 0 0 20px 5px red;
    transition: box-shadow 0.3s ease, outline 0.3s ease;
    animation: glow 1.5s linear infinite;
}

@keyframes glow {
    0% {
        box-shadow: 0 0 10px 2px rgba(255, 0, 0, 0.8);
    }
    50% {
        box-shadow: 0 0 20px 5px rgba(255, 0, 0, 1);
    }
    100% {
        box-shadow: 0 0 10px 2px rgba(255, 0, 0, 0.8);
    }
}
#settingsPage {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgb(0, 0, 0);
    color: #fff;
    padding: 20px;
    border: 1px solid #ccc;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    z-index: 1000;
}

#settingsPage label {
    display: block;
    margin: 20px 0 15px;
}

#settingsPage input[type="range"] {
    width: 100%;
}

#openSettings {
    margin-top: 5px;
    margin-left: 5px;
    padding: 5px;
    background-color: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
}

#closeSettings {
    margin-top: 5px;
    margin-left: 5px;
    padding: 5px;
    background-color: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
}