/* public/assets/css/ai/ai-face-swap.css */
.afs-tool-wrapper { 
    --p-bg: #ffffff; 
    --p-border: #e2e8f0; 
    --p-primary: #8b5cf6; 
    --p-text: #0f172a; 
    --p-panel-bg: #f8fafc;
    width: 100%; 
    max-width: 1400px; 
    margin: 0 auto; 
    background: var(--p-bg); 
    border-radius: 24px; 
    padding: 24px; 
    border: 1px solid var(--p-border); 
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05); 
    box-sizing: border-box; 
}

.afs-header-main { font-size: 1.7rem; font-weight: 800; color: var(--p-text); margin-bottom: 12px; text-align: center; letter-spacing: -0.5px; }
.afs-subtitle { color: #64748b; font-size: 0.95rem; padding-bottom: 24px; border-bottom: 1px solid var(--p-border); margin-bottom: 24px; text-align: center; max-width: 800px; margin-left: auto; margin-right: auto; line-height: 1.6; }

.afs-layout { display: flex; flex-direction: column; gap: 24px; }
.afs-workspace { display: grid; grid-template-columns: 1fr 1fr 1.3fr; gap: 20px; }
@media(max-width: 950px) { .afs-workspace { grid-template-columns: 1fr; } }

/* 面板 Bento 质感 */
.afs-panel { display: flex; flex-direction: column; background: var(--p-panel-bg); border: 1px solid var(--p-border); border-radius: 16px; overflow: hidden; box-sizing: border-box; transition: transform 0.2s, box-shadow 0.2s; }
.afs-panel:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.03); transform: translateY(-2px); }
.afs-panel-title { font-size: 1.05rem; font-weight: 700; color: var(--p-text); padding: 16px 20px; border-bottom: 1px solid var(--p-border); background: var(--p-bg); margin: 0; }
.afs-panel-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }

/* 上传区交互增强 */
.afs-upload-zone, .afs-result-zone { flex: 1; min-height: 360px; border: 2px dashed #cbd5e1; border-radius: 12px; background: var(--p-bg); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; transition: all 0.3s ease; cursor: pointer; }
.afs-result-zone { cursor: default; border-style: solid; background: var(--p-border); }
.afs-upload-zone:hover { border-color: var(--p-primary); background: #f5f3ff; }
.afs-upload-zone.has-image { border-style: solid; border-color: var(--p-border); background: #0f172a; }

.afs-upload-placeholder, .afs-result-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: #64748b; pointer-events: none; z-index: 1; transition: opacity 0.2s; }
.afs-icon { font-size: 2.8rem; margin-bottom: 4px; transition: transform 0.3s; }
.afs-upload-zone:hover .afs-icon { transform: scale(1.1); }
.afs-text { font-size: 1.05rem; font-weight: 600; color: var(--p-text); }
.afs-subtext { font-size: 0.85rem; opacity: 0.7; }

.afs-preview-img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: contain; z-index: 2; border-radius: 10px; }

.afs-btn-remove { position: absolute; top: 12px; right: 12px; width: 32px; height: 32px; border-radius: 50%; background: rgba(15, 23, 42, 0.7); color: white; border: none; font-size: 14px; cursor: pointer; z-index: 3; display: flex; align-items: center; justify-content: center; transition: all 0.2s; backdrop-filter: blur(4px); }
.afs-btn-remove:hover { background: #ef4444; transform: scale(1.15) rotate(90deg); }

/* 加载遮罩 */
.afs-loading-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(255,255,255,0.85); backdrop-filter: blur(4px); z-index: 3; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; padding: 24px; text-align: center; }
.afs-spinner { width: 44px; height: 44px; border: 4px solid #e2e8f0; border-top-color: var(--p-primary); border-radius: 50%; animation: afs-spin 1s cubic-bezier(0.4, 0, 0.2, 1) infinite; }
@keyframes afs-spin { to { transform: rotate(360deg); } }
.afs-loading-text { font-size: 0.95rem; font-weight: 600; color: #475569; }
.afs-progress-bar { width: 85%; height: 6px; background: #e2e8f0; border-radius: 3px; overflow: hidden; }
.afs-progress-inner { width: 0%; height: 100%; background: var(--p-primary); transition: width 0.3s ease-out; }

/* 底部操作区 */
.afs-controls-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 24px; background: var(--p-panel-bg); border: 1px solid var(--p-border); border-radius: 16px; }
.afs-api-notice { font-size: 0.85rem; color: #b45309; background: #fffbeb; padding: 10px 16px; border-radius: 10px; border: 1px solid #fcd34d; flex: 1; min-width: 280px; line-height: 1.5; }
.afs-actions { display: flex; gap: 16px; margin-left: auto; }

.afs-btn-primary, .afs-btn-secondary { padding: 12px 28px; border-radius: 10px; font-weight: 700; font-size: 1rem; cursor: pointer; transition: all 0.2s; display: flex; align-items: center; justify-content: center; gap: 8px; border: none; }
.afs-btn-primary { background: var(--p-primary); color: white; box-shadow: 0 4px 14px rgba(139, 92, 246, 0.3); }
.afs-btn-primary:hover:not(:disabled) { filter: brightness(1.1); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4); }
.afs-btn-primary:disabled { background: #cbd5e1; box-shadow: none; cursor: not-allowed; transform: none; }

.afs-btn-secondary { background: var(--p-bg); color: #475569; border: 1px solid #cbd5e1; }
.afs-btn-secondary:hover:not(:disabled) { background: #f1f5f9; color: #0f172a; border-color: #94a3b8; }
.afs-btn-secondary:disabled { opacity: 0.5; cursor: not-allowed; }

/* ================= Dark Mode ================= */
[data-theme="dark"] .afs-tool-wrapper { --p-bg: #1e293b; --p-panel-bg: #0f172a; --p-border: #334155; --p-text: #f8fafc; }
[data-theme="dark"] .afs-upload-zone, [data-theme="dark"] .afs-result-zone { background: #020617; }
[data-theme="dark"] .afs-upload-zone:hover { background: rgba(139, 92, 246, 0.1); border-color: var(--p-primary); }
[data-theme="dark"] .afs-upload-placeholder { color: #94a3b8; }
[data-theme="dark"] .afs-loading-overlay { background: rgba(15, 23, 42, 0.85); }
[data-theme="dark"] .afs-loading-text { color: #e2e8f0; }
[data-theme="dark"] .afs-progress-bar { background: #334155; }
[data-theme="dark"] .afs-api-notice { background: rgba(245, 158, 11, 0.1); border-color: rgba(245, 158, 11, 0.3); color: #fcd34d; }
[data-theme="dark"] .afs-btn-secondary { background: #1e293b; border-color: #475569; color: #cbd5e1; }
[data-theme="dark"] .afs-btn-secondary:hover:not(:disabled) { background: #334155; color: #f8fafc; }
[data-theme="dark"] .afs-btn-primary:disabled { background: #334155; color: #64748b; }