/**
 * AI 点选修图 - 页面特有样式
 * 基于 common.css 的扩展
 */

/* ========== 页面头部 ========== */
.page-header {
    text-align: center;
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.page-header h1 i {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ========== 图片画布区域 ========== */
.image-canvas-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
    overflow: hidden;
}

.image-canvas {
    position: relative;
    display: inline-block;
    max-width: 100%;
    cursor: crosshair;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.image-canvas img {
    display: block;
    max-width: 100%;
    max-height: 600px;
    object-fit: contain;
}

.markers-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* ========== 标记点样式 ========== */
.marker {
    position: absolute;
    width: 36px;
    height: 36px;
    background: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translate(-50%, -50%);
    cursor: pointer;
    font-weight: 700;
    font-size: 16px;
    color: #000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    pointer-events: auto;
    transition: transform 0.15s, box-shadow 0.15s;
    z-index: 10;
}

.marker:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.marker.active {
    background: var(--warning-color);
    transform: translate(-50%, -50%) scale(1.15);
}

.marker .marker-delete {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 20px;
    height: 20px;
    background: var(--danger-color);
    border: 2px solid var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #fff;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s;
}

.marker:hover .marker-delete {
    opacity: 1;
}

/* 亮色主题 */
[data-theme="light"] .marker {
    color: #fff;
}

/* ========== 修改建议列表 ========== */
.suggestions-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.section-title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.section-title i {
    color: var(--accent-primary);
}

.suggestions-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    transition: border-color 0.2s;
}

.suggestion-item:focus-within {
    border-color: var(--accent-primary);
}

.suggestion-item.active {
    border-color: var(--warning-color);
    background: rgba(251, 188, 5, 0.1);
}

.suggestion-number {
    width: 32px;
    height: 32px;
    background: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: #000;
    flex-shrink: 0;
}

.suggestion-item.active .suggestion-number {
    background: var(--warning-color);
}

[data-theme="light"] .suggestion-number {
    color: #fff;
}

.suggestion-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
}

.suggestion-input::placeholder {
    color: var(--text-tertiary);
}

.suggestion-delete {
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.suggestion-delete:hover {
    background: var(--danger-color);
    border-color: var(--danger-color);
    color: #fff;
}

/* ========== 操作按钮 ========== */
.action-buttons {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.btn-secondary {
    flex: 1;
    padding: 12px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ========== 生成设置 ========== */
.settings-row {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
}

.settings-row .form-group {
    flex: 1;
}

.credits-estimate {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    color: var(--accent-primary);
}

/* ========== 结果展示 ========== */
.result-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.result-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.result-item {
    position: relative;
}

.result-item-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.result-item-label i {
    color: var(--accent-primary);
}

.result-image {
    width: 100%;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s;
}

.result-image:hover {
    transform: scale(1.02);
}

.result-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.result-actions .btn-action {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
    text-decoration: none;
}

.result-actions .btn-action:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ========== 加载遮罩 ========== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.loading-overlay.show {
    display: flex;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    color: #fff;
    font-size: 16px;
}

.loading-progress {
    color: var(--text-tertiary);
    font-size: 14px;
}

/* ========== 响应式调整 ========== */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 22px;
    }

    .image-canvas img {
        max-height: 400px;
    }

    .marker {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .settings-row {
        flex-direction: column;
        gap: 16px;
    }

    .action-buttons {
        flex-direction: column;
    }

    .result-comparison {
        grid-template-columns: 1fr;
    }

    .suggestion-item {
        padding: 10px 12px;
    }

    .suggestion-number {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
}