:root {
    --bg-color: #f4f7f9;
    --card-bg-color: #fff;
    --text-color: #333;
    --text-color-light: #666;
    --border-color: #ddd;
    --border-color-light: #eee;
    --header-bg-color: #f2f2f2;
    --button-bg-color: #e0e0e0;
    --button-primary-bg-color: #007bff;
    --button-danger-bg-color: #f8d7da;
    --button-danger-text-color: #721c24;
    --button-danger-border-color: #f5c6cb;
    --modal-bg-color: rgba(0,0,0,0.5);
    --shadow-color: rgba(0,0,0,0.1);
}

body.dark-mode {
    --bg-color: #1a1a1a;
    --card-bg-color: #2c2c2c;
    --text-color: #e0e0e0;
    --text-color-light: #aaa;
    --border-color: #444;
    --border-color-light: #383838;
    --header-bg-color: #3a3a3a;
    --button-bg-color: #555;
    --button-primary-bg-color: #0d6efd;
    --button-danger-bg-color: #582121;
    --button-danger-text-color: #f5c6cb;
    --button-danger-border-color: #721c24;
    --modal-bg-color: rgba(0,0,0,0.7);
    --shadow-color: rgba(0,0,0,0.4);
}

body {
    font-family: sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    padding-bottom: 100px;
    transition: background-color 0.2s, color 0.2s;
}
body.modal-open { overflow: hidden; }

.container { max-width: 1000px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.card { background-color: var(--card-bg-color); border-radius: 8px; padding: 20px; box-shadow: 0 2px 4px var(--shadow-color); }
h1, h2, h3 { margin-top: 0; }
.hidden { display: none !important; }

.main-header { display: flex; justify-content: space-between; align-items: center; }

.form-grid { display: grid; grid-template-columns: 120px 1fr; gap: 15px; align-items: start; }
.form-grid > label { padding-top: 8px; font-weight: bold; }
.number-inputs-wrapper { display: flex; gap: 24px; align-items: center; padding-top: 8px; }
.inline-form-group { display: flex; align-items: center; gap: 8px; }
.inline-form-group label { flex-shrink: 0; }
.inline-form-group input[type="number"] { width: 75px; }

input, textarea { background-color: var(--card-bg-color); color: var(--text-color); border: 1px solid var(--border-color); }
input[type="text"], input[type="number"], textarea { width: 100%; padding: 8px; border-radius: 4px; box-sizing: border-box; }
textarea { resize: vertical; }

.header-with-button { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }

button, input[type="file"] { padding: 10px 15px; border: none; border-radius: 4px; cursor: pointer; background-color: var(--button-bg-color); font-size: 14px; color: var(--text-color); }
button.primary-btn { background-color: var(--button-primary-bg-color); color: white; }
button:disabled { background-color: #ccc; cursor: not-allowed; }

.sim-options { display: flex; gap: 20px; align-items: center; }
.sim-grid { margin-top: 15px; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.sim-input-group { display: flex; align-items: center; gap: 5px; }
.sim-input-group label { font-size: 14px; white-space: nowrap; flex-shrink: 0; }

#scene-table { width: 100%; border-collapse: collapse; }
#scene-table th, #scene-table td { border: 1px solid var(--border-color); padding: 8px; text-align: left; vertical-align: top; }
#scene-table th { background-color: var(--header-bg-color); }

.button-group { display: flex; gap: 10px; }

.fab { position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px; border-radius: 50%; background-color: var(--button-primary-bg-color); color: white; font-size: 36px; line-height: 60px; text-align: center; box-shadow: 0 4px 8px var(--shadow-color); cursor: pointer; border: none; padding: 0; z-index: 999; }

.modal { position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background-color: var(--modal-bg-color); display: flex; align-items: center; justify-content: center; }
.modal.hidden { display: none; }
.modal-content { background-color: var(--card-bg-color); border: 1px solid var(--border-color); width: 90%; max-width: 600px; border-radius: 8px; position: relative; display: flex; flex-direction: column; max-height: 90vh; box-shadow: 0 4px 10px var(--shadow-color); }
.modal-content > h3 { padding: 20px; padding-bottom: 15px; margin: 0; border-bottom: 1px solid var(--border-color); flex-shrink: 0; }
.modal-close-btn { color: var(--text-color-light); position: absolute; top: 15px; right: 20px; font-size: 28px; font-weight: bold; cursor: pointer; }
.modal-form-container { padding: 20px; overflow-y: auto; flex-grow: 1; }
.modal-footer { padding: 15px 20px; text-align: right; border-top: 1px solid var(--border-color); background-color: var(--bg-color); flex-shrink: 0; border-bottom-left-radius: 8px; border-bottom-right-radius: 8px; }

.form-group { display: grid; grid-template-columns: 100px 1fr; gap: 10px 15px; align-items: start; padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid var(--border-color-light); }
.form-group:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.form-group label { padding-top: 8px; font-weight: bold; }

.checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; padding-top: 5px; }
.checkbox-group label { display: flex; align-items: center; gap: 4px; font-weight: normal; padding-top: 0; }
.checkbox-group .char-name { font-size: 0.9em; color: var(--text-color-light); }

#modal-notes-container { display: flex; flex-direction: column; gap: 15px; }
.note-item { display: flex; flex-direction: column; gap: 8px; border-top: 1px solid var(--border-color-light); padding-top: 15px; }
.note-item:first-child { border-top: none; padding-top: 0; }
.note-item-controls { display: flex; justify-content: space-between; align-items: center; }
.note-item .remove-note-btn { padding: 5px 10px; background-color: var(--button-danger-bg-color); color: var(--button-danger-text-color); border: 1px solid var(--button-danger-border-color); }
#modal-add-note-btn { margin-top: 10px; align-self: flex-start; }