html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

:root {
    --bg-cream: #F8EFD3;
    --accent-peach: #F4CFAE;
    --accent-coral: #F0A9A9;
    --accent-success: #28a745;
    --text-dark: #4a4a4a;
    --panel-bg: #FFFFFF;
    --border-color: #EFEFEF;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-cream);
    color: var(--text-dark);
}

body.modal-open {
    overflow: hidden;
}

.usage-notice {
    padding: 20px;
    margin-bottom: 20px;
    background-color: var(--accent-peach);
}
.notice-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 15px 20px;
    font-size: 13px;
    color: var(--text-dark);
    text-align: center;
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.notice-content::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: url('https://i.postimg.cc/597xms4f/1762029853049.png');
    background-size: cover;
    background-position: center;
    opacity: 0.6;
    z-index: -1;
    border-radius: 12px;
}
.notice-content p {
    margin: 4px 0;
    line-height: 1.7;
}

.main-container { display: flex; gap: 20px; width: 100%; margin: 0 auto; padding: 0 10px 100px 10px; box-sizing: border-box; }
.panel { background: var(--panel-bg); padding: 15px 25px; border-radius: 16px; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08); }
.input-container { flex: 1; min-width: 380px; }
.preview-container { flex: 2; min-width: 760px; padding: 15px 5px; }

@media (max-width: 1200px) {
    .main-container { flex-direction: column; }
    .input-container, .preview-container { min-width: unset; }
}

h1, h2 { text-align: center; color: var(--text-dark); border-bottom: 2px solid var(--border-color); padding-bottom: 10px; margin-top: 0; margin-bottom: 20px; font-weight: 600; font-size: 22px; }
h1 { display: flex; align-items: center; justify-content: center; }
.help-icon { font-size: 18px; color: #ccc; margin-left: 10px; cursor: pointer; transition: color 0.3s; }
.help-icon:hover { color: var(--accent-coral); }
#story-input { width: 100%; box-sizing: border-box; padding: 15px; border: 2px solid var(--border-color); border-radius: 8px; font-size: 14px; line-height: 1.7; resize: vertical; background-color: #fdfaf3; color: var(--text-dark); height: 250px; transition: border-color 0.3s; }
#story-input:focus { outline: none; border-color: var(--accent-coral); }
.preview-wrapper { width: 100%; border: 2px solid var(--border-color); border-radius: 8px; overflow: hidden; position: relative; background-color: #fcfcfc; }
#canvas-scaler { transform-origin: top left; }
.hidden { display: none !important; }
#alignment-canvas { width: 1080px; background-color: var(--panel-bg); color: var(--text-dark); padding: 50px; box-sizing: border-box; }
[contenteditable="true"]:focus { outline: none; }
.chart-header { position: relative; }
.chart-title { font-size: 72px; font-weight: bold; text-align: center; color: var(--text-dark); margin-bottom: 20px; }
.chart-meta { font-size: 18px; color: #888; text-align: right; line-height: 1.5; }
.grid-container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; }
.grid-cell { background-color: #4a4a4a; color: #fff; padding: 15px; display: flex; flex-direction: column; text-align: center; border-radius: 12px; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); }
.image-placeholder { width: 100%; height: 400px; background-color: #f0f0f0; border: 10px solid #fff; box-sizing: border-box; margin-bottom: 15px; cursor: pointer; display: flex; align-items: center; justify-content: center; color: #888; font-size: 16px; background-size: cover; background-position: center; transition: transform 0.2s; overflow: hidden; border-radius: 4px; }
.image-placeholder:hover { transform: scale(1.02); }
.alignment-title { font-size: 28px; font-weight: bold; margin-bottom: 10px; color: var(--accent-peach); }
.alignment-text { font-size: 22px; line-height: 1.6; white-space: pre-wrap; word-break: break-word; flex-grow: 1; text-align: left; padding: 5px; color: #f0f0f0; border-radius: 4px; }

.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(5px); z-index: 1000; display: flex; justify-content: center; align-items: center; padding: 20px; box-sizing: border-box; }

/* === 这是本次修改的地方 === */
.modal-content {
    background: var(--panel-bg);
    padding: 25px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 90vw; /* 修改为 vw 单位，确保有边距 */
    max-width: 450px; /* 保留最大宽度限制，在大屏幕上不会过宽 */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    box-sizing: border-box; /* 建议加上，避免 padding 影响总宽度 */
}

.modal-content h3 { margin: 0; color: var(--text-dark); width: 100%; text-align: center; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; font-size: clamp(18px, 4vw, 22px); }

.image-preview-container {
    width: 100%; /* 让它填充父容器 modal-content 的宽度 */
    height: auto;
    aspect-ratio: 350 / 466; /* 保持宽高比 */
    overflow: hidden;
    position: relative;
    border: 2px solid var(--border-color);
    background-color: #f0f0f0;
    user-select: none;
    touch-action: none;
    border-radius: 8px;
}

#image-preview-img { position: absolute; transform-origin: center center; cursor: grab; max-width: none; }

.help-modal-content {
    max-width: 550px;
    width: 90vw;
    height: auto;
    align-items: center;
    text-align: left;
    gap: 0;
    overflow-y: auto;
    max-height: 90vh;
    box-sizing: border-box; /* 建议加上 */
}
.help-modal-content p {
    line-height: 1.6;
    margin: 0;
    color: #555;
    width: 100%;
    font-size: clamp(13px, 2.5vw, 15px);
}
.help-modal-content h4 {
    line-height: 1.5;
    margin: 1em 0 0.5em 0;
    color: var(--text-dark);
    width: 100%;
    font-size: clamp(14px, 2.8vw, 16px);
}
.help-modal-content hr {
    width: 100%;
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1em 0 0.5em 0;
}
.help-modal-content pre {
    background-color: #f5f2f0;
    padding: 1em;
    border-radius: 8px;
    width: 100%;
    box-sizing: border-box;
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0.8em 0 0 0;
}
.help-modal-content code { font-family: 'Courier New', Courier, monospace; color: #d63384; font-size: clamp(12.5px, 2.4vw, 14px); }
.help-modal-content strong { color: var(--accent-coral); }

.modal-button {
    background-color: var(--accent-coral);
    color: white;
    border: none;
    padding: 8px 16px;
    font-size: clamp(13px, 2.5vw, 14px);
    font-weight: 500;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    margin-top: 1.5em;
}
.modal-button:hover { transform: translateY(-2px); box-shadow: 0 2px 8px rgba(240, 169, 169, 0.5); }

.floating-actions { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 10; width: fit-content; background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(8px); padding: 6px; border-radius: 10px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); display: flex; gap: 6px; white-space: nowrap; }
.floating-actions button { background-color: var(--accent-coral); color: white; border: none; padding: 8px 16px; font-size: 14px; font-weight: 500; border-radius: 5px; cursor: pointer; transition: all 0.2s ease-in-out; }
.floating-actions button.success { background-color: var(--accent-success); }
.floating-actions button:hover { transform: translateY(-2px); box-shadow: 0 2px 8px rgba(240, 169, 169, 0.5); }
.floating-actions button.success:hover { box-shadow: 0 2px 8px rgba(40, 167, 69, 0.5); }
.floating-actions button:disabled { background-color: #cccccc; cursor: not-allowed; transform: none; box-shadow: none; }