:root {
    --pink-light: #fff0f5;
    --pink-primary: #ffb7c5;
    --pink-dark: #ff69b4;
    --text-color: #4a4a4a;
    --border-radius: 15px;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Comic Sans MS', 'ZCOOL KuaiLe', sans-serif;
    background-color: var(--pink-light);
    background-image: radial-gradient(#ffb7c5 1px, transparent 1px);
    background-size: 20px 20px;
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 95%;
    max-width: 1600px; /* 增大最大宽度以适应并排布局 */
    height: 95vh;
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.85);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(255, 105, 180, 0.2);
    backdrop-filter: blur(10px);
    padding: 20px;
    border: 2px solid var(--pink-primary);
}

header {
    text-align: center;
    margin-bottom: 10px;
    position: relative;
}

/* 顶部工具栏按钮 */
.toolbar {
    display: none; /* 移除切换按钮 */
}

/* 自定义滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 240, 245, 0.5); /* 极浅的粉色背景 */
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--pink-primary); /* 粉色滑块 */
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--pink-dark); /* 悬浮时变深粉色 */
}

/* 模糊淡入淡出文字动画 */
@keyframes blurFadeInOut {
    0% {
        opacity: 0;
        filter: blur(10px);
        transform: translateY(-10px);
    }
    10% {
        opacity: 1;
        filter: blur(0);
        transform: translateY(0);
    }
    90% {
        opacity: 1;
        filter: blur(0);
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        filter: blur(10px);
        transform: translateY(10px);
    }
}

.blur-text-animation {
    animation: blurFadeInOut 8s infinite;
    color: var(--pink-dark);
    margin: 10px 0;
}

.delay-1 {
    animation-delay: 1s;
    font-size: 1.1em;
    color: var(--text-color);
}

.main-wrapper {
    display: flex;
    flex: 1;
    gap: 20px;
    margin-bottom: 20px;
    /* Change to absolute positioning context to force fixed height */
    position: relative;
    height: 100%;
    min-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* 侧边栏：配置区域 */
.sidebar {
    width: 250px; /* 最小宽度 */
    flex-shrink: 0;
    padding: 20px;
    overflow-y: auto;
    height: 100%; /* Force 100% height of parent */
    box-sizing: border-box;
}

/* 中间编辑区域和右侧预览区域容器 */
.editor-container {
    display: flex;
    flex: 1;
    gap: 20px;
    height: 100%; /* Force 100% height of parent */
    min-height: 0;
}

/* 编辑器面板：最大化 */
.editor-panel {
    flex: 1.2; /* 让编辑器占据合理的比例 */
    display: flex;
    flex-direction: column;
    height: 100%; /* Force 100% height */
    min-height: 0;
}

/* 预览面板：次之 */
.preview-panel {
    flex: 1; /* 预览区域略小于编辑区 */
    padding: 20px;
    overflow-y: auto;
    overflow-x: hidden;
    background-color: #fff;
    height: 100%; /* Force 100% height */
    min-height: 0;
    box-sizing: border-box;
}

.panel {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    border: 2px dashed var(--pink-primary);
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
}

.sidebar,
.preview-panel {
    overflow-y: auto;
    overflow-x: hidden;
}

.panel:hover {
    box-shadow: 0 0 15px rgba(255, 183, 197, 0.5);
    border-color: var(--pink-dark);
}

textarea {
    width: 100%;
    height: 100%;
    resize: none;
    border: none;
    padding: 20px;
    font-size: 16px;
    font-family: monospace;
    background: transparent;
    outline: none;
    color: var(--text-color);
    box-sizing: border-box;
}

textarea::placeholder {
    color: #ccc;
}

.sidebar-title {
    color: var(--pink-dark);
    text-align: center;
    margin-top: 0;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 14px;
    font-weight: bold;
    color: var(--pink-dark);
    margin-bottom: 5px;
}

.form-group input,
.form-group textarea {
    border: 2px solid var(--pink-primary);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-color);
    outline: none;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--pink-dark);
    box-shadow: 0 0 8px rgba(255, 105, 180, 0.3);
}

.form-group textarea {
    resize: vertical;
}

.markdown-body {
    word-wrap: break-word;
    background-color: transparent !important;
}

.markdown-body img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

footer {
    display: flex;
    justify-content: flex-end;
}

.build-credit {
    margin-top: 10px;
    text-align: center;
    font-size: 14px;
    color: var(--text-color);
}

.build-credit a {
    color: var(--pink-dark);
    font-weight: 700;
    text-decoration: none;
}

.build-credit a:hover {
    text-decoration: underline;
}

/* CSS Buttons.io Style */
.cssbuttons-io-button {
    background: var(--pink-dark);
    color: white;
    font-family: inherit;
    padding: 0.35em;
    padding-left: 1.2em;
    font-size: 17px;
    font-weight: 500;
    border-radius: 0.9em;
    border: none;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    box-shadow: inset 0 0 1.6em -0.6em var(--pink-dark);
    overflow: hidden;
    position: relative;
    height: 2.8em;
    padding-right: 3.3em;
    cursor: pointer;
    transition: all 0.3s;
}

.export-btn {
    background: #ff8eaf; /* Slightly different pink for distinction */
}

.cssbuttons-io-button .icon {
    background: white;
    margin-left: 1em;
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 2.2em;
    width: 2.2em;
    border-radius: 0.7em;
    box-shadow: 0.1em 0.1em 0.6em 0.2em var(--pink-primary);
    right: 0.3em;
    transition: all 0.3s;
}

.cssbuttons-io-button:hover .icon {
    width: calc(100% - 0.6em);
}

.cssbuttons-io-button .icon svg {
    width: 1.1em;
    transition: transform 0.3s;
    color: var(--pink-dark);
}

.cssbuttons-io-button:hover .icon svg {
    transform: translateX(0.1em);
}

.cssbuttons-io-button:active .icon {
    transform: scale(0.95);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--pink-dark);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    font-size: 14px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -20px);
}