/* 表单样式 */
.form-container {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 24px;
    margin: 0 auto 24px;
    border: 1px solid var(--border-primary);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    width: 100%;
    max-width: 1200px;
    box-sizing: border-box;
}

.form-section {
    margin-bottom: 20px;
}

.form-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-accent);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.settings-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    align-items: stretch;
}

.settings-row .input-group {
    background: rgba(20, 22, 30, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 16px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.input-group {
    margin-bottom: 0;
}

/* 自动时长显示样式 */
.duration-display {
    background: var(--bg-gradient-primary);
    border-radius: 12px;
    padding: 16px;
    border: 2px solid var(--border-accent);
    text-align: center;
}

.auto-duration-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

#autoDurationText {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.duration-hint {
    font-size: 11px;
    color: var(--text-secondary);
    opacity: 0.8;
    font-weight: 500;
}

.label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.input, .textarea, select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-primary);
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--bg-elevated);
    color: var(--text-primary);
    font-family: inherit;
}

.input:focus, .textarea:focus, select:focus {
    outline: none;
    border-color: var(--border-accent);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    background: var(--bg-secondary);
}

.input::placeholder, .textarea::placeholder {
    color: var(--text-muted);
}

.textarea {
    height: 100px;
    resize: vertical;
    line-height: 1.6;
}

/* 画面比例组 */
.aspect-ratio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ratio-options {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* 新的画面比例切换开关样式 */
.aspect-ratio-switch-container {
    display: flex;
    gap: 10px;
    padding: 4px;
    background: rgba(15, 23, 42, 0.6);
    border-radius: 10px;
    border: 1px solid rgba(148, 163, 184, 0.1);
}

.aspect-ratio-switch {
    flex: 1;
    position: relative;
    cursor: pointer;
}

.aspect-ratio-switch input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.aspect-ratio-switch span {
    display: block;
    padding: 10px 20px;
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    color: #94a3b8;
    background: transparent;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.aspect-ratio-switch input[type="radio"]:checked + span {
    background: linear-gradient(135deg, #4f46e5, #4338ca);
    color: #fff;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.aspect-ratio-switch:hover span {
    color: #cbd5e1;
}

.aspect-ratio-switch input[type="radio"]:checked:hover + span {
    color: #fff;
}

/* 音频选项组 */
.audio-options-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.audio-options {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.checkbox-option {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.checkbox-option input[type="checkbox"], .checkbox-option input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: #667eea;
}

.radio-option {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 12px 16px;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    flex: 1;
    min-width: 200px;
}

.radio-option:hover {
    border-color: #1890ff;
    background-color: #f0f7ff;
}

.radio-option input[type="radio"]:checked {
    accent-color: #1890ff;
}

.radio-option input[type="radio"]:checked + span {
    color: var(--text-accent);
    font-weight: bold;
}

.radio-option > span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.radio-option input[type="radio"] {
    margin: 0;
}

.scene-count-input {
    width: 60px !important;
}

/* 响应式设计 - 保持横向排布 */
@media (max-width: 1024px) {
    .settings-row {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .form-container {
        padding: 20px;
    }

    .settings-row {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 16px;
    }

    .settings-row .input-group {
        padding: 14px;
    }

    .ratio-options, .audio-options {
        gap: 10px;
    }

    .label {
        font-size: 13px;
    }
}

@media (max-width: 520px) {
    .settings-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .settings-row .input-group {
        padding: 12px;
    }

    .checkbox-option span {
        font-size: 12px;
    }

    .input, .textarea {
        font-size: 13px;
        padding: 10px 12px;
    }
}

/* 单选按钮组样式 */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

.radio-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border: 2px solid var(--border-primary);
    border-radius: 12px;
    background: var(--bg-card);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.radio-label:hover {
    border-color: var(--accent-primary);
    background: rgba(var(--accent-primary-rgb), 0.05);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--accent-primary-rgb), 0.15);
}

.radio-label input[type="radio"] {
    margin: 0;
    width: 20px;
    height: 20px;
    accent-color: var(--accent-primary);
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 2px;
}

.radio-label input[type="radio"]:checked + .radio-text {
    color: var(--accent-primary);
    font-weight: 600;
}

.radio-label:has(input[type="radio"]:checked) {
    border-color: var(--accent-primary);
    background: rgba(var(--accent-primary-rgb), 0.1);
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.1);
}

.radio-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    transition: all 0.3s ease;
    flex: 1;
}

.radio-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
    line-height: 1.4;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .radio-group {
        gap: 8px;
    }
    
    .radio-label {
        padding: 12px;
    }
    
    .radio-text {
        font-size: 14px;
    }
    
    .radio-desc {
        font-size: 12px;
    }
}