/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --animation-color: rgb(144, 249, 227);
    --background-color: rgb(224, 223, 209);
    --background-color-hover1: rgb(144, 249, 227);
    --background-color-hover2: rgba(144, 249, 227, 0.8);
    --box-shadow-color1: rgb(212, 212, 196);
    --box-shadow-color2: rgb(223, 223, 198);
    --note-color: rgb(88, 153, 144);
    --dialog-background-color: #3e4556;
    --background-text1: #d3bc8e;
    --input-color: #ede5d8;
    --background-text2: rgb(236,229,216);
    --foreground-text: #3b4255;
    --dialog-shadow-color1: rgb(60, 67, 83);
    --dialog-shadow-color2: rgb(57, 62, 82);
    --selection-color: rgb(172,157,127);
    --genshin-gold: #d3bc8e;
    --genshin-blue: #1a2f51;
    --genshin-dark-blue: #121a29;
}
/*
misans字体，当然，为了速度删掉了，但仓库里还留着
@font-face {
    font-family: 'misans';
    src: url('../fonts/misans.woff2') format('woff2');
    font-display: swap;
}*/
body {
    /*font-family: 'misans', 'Arial', sans-serif;*/
    background: url('../img/background.jpg') no-repeat center fixed;
    background-color: var(--genshin-dark-blue);
    background-size: cover;
    color: var(--genshin-gold);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    user-select: none;
}
/* 加载界面 */
.loadDiv {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 35, 48, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    color: var(--genshin-gold);
    font-size: 24px;
    backdrop-filter: blur(5px);
}
/* 顶部控制栏 */
.top-controls {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 1000px;
    margin-bottom: 30px;
    z-index: 100;
}
/* 乐器选择下拉框 */
.instrument-selection {
    position: relative;
}
.combo-box {
    background: rgba(62, 69, 86, 0.8);
    border-radius: 20px;
    padding: 10px 20px;
    color: var(--input-color);
    cursor: pointer;
    text-align: center;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    min-width: 180px;
    border: 1px solid rgba(211, 188, 142, 0.3);
    position: relative;
}
.combo-box:hover {
    background: rgba(78, 85, 102, 0.9);
    transform: translateY(-2px);
}
.combo-items {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(62, 69, 86, 0.95);
    border-radius: 10px;
    margin-top: 5px;
    padding: 10px;
    z-index: 200;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(211, 188, 142, 0.2);
}
.combo-items p {
    padding: 8px;
    border-radius: 8px;
    margin: 5px 0;
    cursor: pointer;
    transition: background 0.2s;
}
.combo-items p:hover {
    background: rgba(114, 125, 147, 0.6);
}
/* 功能按钮 */
.toolbar {
    display: flex;
    gap: 15px;
}
/* 1. 功能按钮（转调/自动弹奏）：绑定乐器颜色变量 */
.music {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(62, 69, 86, 0.8);
    border-radius: 15px;
    padding: 12px;
    min-width: 80px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--note-color); /* 绑定乐器颜色 */
}
.music:hover {
    background: rgba(78, 85, 102, 0.9);
    transform: translateY(-3px);
    box-shadow: 0 0 10px var(--background-color-hover2); /* 绑定乐器光效色 */
}
.musicClef {
    font-size: 24px;
    margin-bottom: 5px;
    color: var(--note-color); /* 绑定乐器颜色 */
}

.btn-text {
    font-size: 12px;
    color: var(--genshin-gold);
}
/* 琴键区域 */
.keyboard-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 50px;
    position: relative;
    z-index: 2;
}
#keyboard {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    z-index: 3;
}
.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 15px;
    align-items: center;
}
/* 琴键三角装饰（核心修复） */
.triangle {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 70px;
    height: 70px;
    z-index: 2;
}
.triangle-top, .triangle-left, .triangle-right, .triangle-bottom {
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    z-index: 1;
    transition: border-color 0.2s ease;
}
.triangle-top {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 8px 8px 8px;
    border-color: transparent transparent var(--background-color) transparent;
}
.triangle-bottom {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-width: 8px 8px 0 8px;
    border-color: var(--background-color) transparent transparent transparent;
}
.triangle-left {
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    border-width: 8px 8px 8px 0;
    border-color: transparent var(--background-color) transparent transparent;
}
.triangle-right {
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    border-width: 8px 0 8px 8px;
    border-color: transparent transparent transparent var(--background-color);
}
/* 琴键样式 */
.key {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: rgba(224, 223, 209, 0.9);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    position: relative;
    z-index: 2;
    transition: all 0.2s ease;
}
.key:hover {
    transform: scale(1.05);
}
.key:active {
    transform: scale(0.95);
}
/* 琴键按下时：三角同步变色 */
.key-press ~ .triangle-top {
    border-color: transparent transparent var(--background-color-hover1) transparent;
}
.key-press ~ .triangle-bottom {
    border-color: var(--background-color-hover1) transparent transparent transparent;
}
.key-press ~ .triangle-left {
    border-color: transparent var(--background-color-hover1) transparent transparent;
}
.key-press ~ .triangle-right {
    border-color: transparent transparent transparent var(--background-color-hover1);
}
/* 音符样式 */
.note2, .note3, .note1, .note5 {
    font-size: 24px;
    color: var(--note-color);
    font-weight: bold;
    margin-bottom: 2px;
}
.text {
    font-size: 12px;
    color: #776e5a;
}
/* 音量控制 */
.volume-control {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    background: rgba(62, 69, 86, 0.8);
    padding: 10px 15px;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(211, 188, 142, 0.3);
}
.volume-control span {
    margin-right: 10px;
    color: var(--genshin-gold);
    font-size: 14px;
}
#volume {
    width: 100px;
    accent-color: var(--note-color);
}
/* 控制面板（初始隐藏） */
.control-panel {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: rgba(62, 69, 86, 0.8);
    padding: 15px;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(211, 188, 142, 0.3);
    z-index: 99;
    display: none; /* 初始隐藏，点击按钮显示 */
}
.control-title {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--genshin-gold);
    text-align: center;
}
.control-item {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}
.control-item label {
    margin-right: 8px;
    color: var(--genshin-gold);
    font-size: 14px;
    min-width: 60px;
}
.control-item input {
    width: 60px;
    padding: 5px;
    border-radius: 5px;
    border: 1px solid rgba(211, 188, 142, 0.3);
    background: rgba(237, 229, 216, 0.9);
    color: var(--foreground-text);
}
/* 原神风格装饰 */
.genshin-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}
.decoration-item {
    position: absolute;
    opacity: 0.1;
}
.decoration-1 {
    top: 10%;
    left: 5%;
    font-size: 100px;
    color: var(--genshin-gold);
    transform: rotate(-15deg);
}
.decoration-2 {
    bottom: 15%;
    right: 8%;
    font-size: 80px;
    color: var(--note-color);
    transform: rotate(20deg);
}
/* 响应式设计（移动端适配） */
@media (max-width: 768px) {
    .top-controls {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    .triangle {
        width: 50px;
        height: 50px;
    }
    .key {
        width: 40px;
        height: 40px;
    }
    .note2, .note3, .note1, .note5 {
        font-size: 16px;
    }
    .text {
        font-size: 10px;
    }
    .keyboard-row {
        gap: 5px;
    }
    .control-panel {
        bottom: 10px;
        left: 10px;
        padding: 10px;
    }
}
/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
@keyframes press {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}
@keyframes noteGlow {
    0% {
        text-shadow: 0 0 5px currentColor;
    }
    50% {
        text-shadow: 0 0 20px currentColor;
    }
    100% {
        text-shadow: 0 0 5px currentColor;
    }
}
body {
    animation: fadeIn 0.5s ease-in;
}
.key-press {
    animation: press 0.3s ease;
}
.music-color {
    animation: noteGlow 2s infinite;
}

/* -------------------------- 自动演奏/转调面板样式 -------------------------- */
/* 自动演奏面板特殊样式（适配乐谱输入框） */
#auto-play-panel .full-width {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 8px;
}
.textareaInput {
    border: 0;
    resize: none;
    width: 100%;
    height: 120px;
    font-size: 14px;
    padding: 8px;
    margin-top: 4px;
    word-break: break-all;
    color: var(--background-text2);
    background-color: rgb(53, 61, 79);
    outline: 1px solid rgb(93, 93, 95);
    /*font-family: 'misans', Fallback, sans-serif;*/
    border-radius: 5px;
}
/* 按钮组样式 */
.buttonGroup {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
}
.start, .pause, .clear {
    border: 0;
    width: 32%;
    height: 30px;
    font-size: 14px;
    border-radius: 5px;
    background-color: var(--input-color);
    color: var(--foreground-text);
    /*font-family: 'misans', Fallback, sans-serif;*/
    cursor: pointer;
    transition: all 0.15s ease;
}
.start:hover {
    color: rgb(255, 203, 50);
    background-color: rgba(255, 203, 50, 0.1);
}
.pause:hover {
    color: rgb(113, 176, 253);
    background-color: rgba(113, 176, 253, 0.1);
}
.clear:hover {
    color: rgb(205, 125, 116);
    background-color: rgba(205, 125, 116, 0.1);
}

/* -------------------------- 调式下拉框样式 -------------------------- */
.modeSelection {
    position: relative;
    padding: 5px 10px;
    border-radius: 5px;
    background-color: var(--input-color);
    color: var(--foreground-text);
    cursor: pointer;
    min-width: 180px;
    text-align: left;
}
.modeSelection .combo-items {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 5px;
    background-color: var(--dialog-background-color);
    border-radius: 5px;
    padding: 5px 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.modeSelection .combo-items p {
    padding: 6px 10px;
    margin: 0;
    cursor: pointer;
    transition: background-color 0.2s;
}
.modeSelection .combo-items p:hover {
    background-color: #4f5870;
}

/* -------------------------- 响应式适配 -------------------------- */
@media (max-width: 768px) {
    #auto-play-panel, #transpose-panel {
        width: calc(100% - 20px);
        left: 10px;
        bottom: 60px; /* 避开音量条 */
    }
    .textareaInput {
        height: 80px;
    }
    .start, .pause, .clear {
        height: 28px;
        font-size: 12px;
    }
    .modeSelection {
        min-width: 140px;
        font-size: 12px;
    }
}
/* Modal 遮罩层 */
.modal {
  display: none; /* 默认隐藏 */
  position: fixed;
  z-index: 9999;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background-color: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
}

/* 弹窗框 */
.modal-content {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
  animation: popIn 0.3s ease;
}

/* 顶部关闭按钮 */
.close-btn {
  float: right;
  font-size: 28px;
  cursor: pointer;
}
.close-btn:hover { color: red; }

/* 标题 */
.modal-content h2 {
  margin-top: 0;
  font-size: 20px;
  text-align: center;
}

/* 输入框 */
.modal-content textarea {
  width: 100%;
  height: 120px;
  resize: none;
  padding: 8px;
  font-size: 14px;
  margin: 10px 0;
  border-radius: 6px;
  border: 1px solid #ccc;
}

/* 控件行 */
.modal-content .controls {
  display: flex;
  justify-content: space-between;
  margin: 10px 0;
}
.modal-content .controls input {
  width: 60px;
}

/* 按钮区 */
.modal-content .buttons {
  text-align: center;
  margin-top: 15px;
}
.modal-content button {
  margin: 0 8px;
  padding: 6px 14px;
  border: none;
  border-radius: 6px;
  background: #4CAF50;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
}
.modal-content button:hover { background: #45a049; }

/* 弹入动画 */
@keyframes popIn {
  from { transform: scale(0.8); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
/* 2. 转调弹窗下拉框：绑定乐器颜色 */
#transposeModal select,
#transposeModal input {
    padding: 4px 6px;
    border-radius: 4px;
    border: 1px solid var(--note-color); /* 绑定乐器颜色 */
}
#transposeModal button {
    background: var(--note-color); /* 绑定乐器颜色 */
}
#transposeModal button:hover {
    background: var(--background-color-hover1); /* 绑定乐器按下色 */
}

/* 3. 自动演奏弹窗按钮：绑定乐器颜色 */
.modal-content .music-control-btn[data-action="start"] {
    background: var(--note-color); /* 绑定乐器颜色 */
}
.modal-content .music-control-btn[data-action="start"]:hover {
    background: var(--background-color-hover1); /* 绑定乐器按下色 */
}
.modal-content .music-control-btn[data-action="pause"] {
    background: var(--note-color); /* 绑定乐器颜色 */
}
.modal-content .music-control-btn[data-action="pause"]:hover {
    background: var(--background-color-hover1); /* 绑定乐器按下色 */
}
.modal-content .music-control-btn[data-action="clear"] {
    background: var(--note-color); /* 绑定乐器颜色 */
}
.modal-content .music-control-btn[data-action="clear"]:hover {
    background: var(--background-color-hover1); /* 绑定乐器按下色 */
}
/* 修改页脚样式 */
.footer {
  font-size: 14px;
  color: var(--genshin-gold); /* 使用原神金色调与整体风格统一 */
  padding: 8px 15px;
  background: rgba(62, 69, 86, 0.6); /* 与控制面板同风格半透明背景 */
  backdrop-filter: blur(5px);
  position: fixed;
  bottom: 20px; /* 与音量控制保持相同底部距离 */
  left: 20px; /* 左侧间距 */
  width: auto; /* 宽度自适应内容 */
  border-radius: 10px; /* 圆角风格 */
  border: 1px solid rgba(211, 188, 142, 0.3); /* 统一边框样式 */
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); /* 增加阴影提升层次感 */
  z-index: 98; /* 确保在背景之上，控件之下 */
}

.footer a {
  color: var(--genshin-gold);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer a:hover {
  color: var(--background-color-hover1); /*  hover效果与按钮保持一致 */
}

/* 移动端适配调整 */
@media (max-width: 768px) {
  .footer {
    bottom: 10px;
    left: 10px;
    font-size: 12px;
    padding: 5px 10px;
  }
}