:root {
    --bg-color: #f0f2f5;
    --card-bg: #ffffff;
    --text-color: #333;
    --primary-color: #007bff;
    --border-color: #ddd;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    line-height: 1.6;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}
.language-switcher button {
    background: none; border: 1px solid var(--border-color); border-radius: 5px;
    font-size: 1.2rem; padding: 5px 10px; cursor: pointer; margin-left: 5px;
}
.language-switcher button.active {
    background-color: #e7f3ff;
    border-color: var(--primary-color);
}
.app-main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}
section {
    margin-bottom: 20px;
}
h2 {
    color: var(--text-color);
    padding-bottom: 10px;
    font-size: 1.2rem;
    margin-top: 0;
    margin-bottom: 15px;
}
.prompt-builder > section > h2 {
    border-bottom: 1px solid var(--border-color);
}
.subject-count {
    display: flex; align-items: center; gap: 10px;
    background: var(--card-bg); padding: 15px;
    border-radius: 8px; margin-bottom: 20px;
}
.subject-count label {
    font-weight: bold;
}
select, #celebs-container select {
    padding: 8px; border-radius: 5px; border: 1px solid var(--border-color);
    width: 100%; margin-bottom: 10px; font-size: 0.9rem;
}
#persons-container {
    margin-top: 20px;
}
.control-group {
    margin-bottom: 15px;
}
.control-group label {
    display: block; font-weight: bold;
    margin-bottom: 8px; font-size: 0.9rem;
}
.inline-controls {
    display: flex; align-items: center; gap: 10px;
}
input[type="color"] {
    -webkit-appearance: none; width: 40px; height: 40px; border: none;
    cursor: pointer; background-color: transparent; border-radius: 50%; overflow: hidden;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: 1px solid var(--border-color); border-radius: 50%; }
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 10px;
}
.option-card {
    background-color: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 8px; padding: 10px; text-align: center; cursor: pointer;
    transition: all 0.2s ease; font-size: 0.85rem;
}
.option-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}
.option-card.selected {
    border-color: var(--primary-color);
    background-color: #e7f3ff;
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.15);
}
textarea, input[type="search"] {
    width: 100%; padding: 10px; border-radius: 5px;
    border: 1px solid var(--border-color); font-size: 1rem; box-sizing: border-box;
}
.actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}
.btn {
    padding: 12px 20px; border: none; border-radius: 5px; cursor: pointer;
    font-size: 1rem; font-weight: bold; transition: background-color 0.2s; flex-grow: 1;
}
.btn-primary { background-color: var(--primary-color); color: white; }
.btn-primary:hover { background-color: #0056b3; }
.btn-primary:disabled { background-color: #a0a0a0; cursor: not-allowed; }
.btn-secondary { background-color: #6c757d; color: white; }
.btn-secondary:hover { background-color: #5a6268; }
.prompt-preview {
    background: var(--card-bg); padding: 20px; border-radius: 8px;
    box-shadow: var(--shadow); margin-bottom: 20px;
}
.explorer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.prompt-card {
    background: var(--card-bg); border-radius: 8px; overflow: hidden;
    box-shadow: var(--shadow); cursor: pointer; transition: transform 0.2s;
}
.prompt-card:hover { transform: scale(1.03); }
.prompt-card img { width: 100%; height: 100px; object-fit: cover; display: block; }
.prompt-card p {
    font-size: 0.8rem; padding: 8px; margin: 0; color: #555;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.accordion {
    background: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 8px; margin-bottom: 10px; box-shadow: var(--shadow);
}
.accordion summary {
    font-weight: bold; padding: 15px; cursor: pointer; outline: none;
    list-style: none; position: relative;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after {
    content: '▼'; position: absolute; right: 15px;
    font-size: 0.8em; transition: transform 0.2s;
}
.accordion[open] summary::after { transform: rotate(180deg); }
.accordion[open] summary { border-bottom: 1px solid var(--border-color); }
.accordion .options-grid, .accordion .person-controls, .accordion-content { padding: 15px; }
@media (max-width: 900px) {
    .app-main { grid-template-columns: 1fr; }
}