/* 隐藏文字图生成 - 插件样式 */
.tool-layout{display:grid;grid-template-columns:1fr;gap:24px}
.panel{background:var(--card);border-radius:16px;padding:24px;border:1px solid var(--border);height:fit-content;position:relative}
.panel-title{font-size:16px;font-weight:600;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--border)}
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:6px;font-size:13px;font-weight:500;color:var(--text-light)}
.form-group input[type="text"],.form-group select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;transition:all .3s}
.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(102,126,234,.1)}
.slider-row{margin-bottom:16px}
.slider-row label{display:flex;justify-content:space-between;font-size:13px;font-weight:500;color:var(--text-light);margin-bottom:6px}
.slider-row input[type="range"]{width:100%;height:6px;border-radius:3px;background:var(--border);outline:none;-webkit-appearance:none}
.slider-row input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));cursor:pointer;box-shadow:0 2px 6px rgba(102,126,234,.3)}
.slider-hint{font-size:11px;color:var(--text-light);margin-top:4px}
.switch-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.switch-row label{font-size:14px;font-weight:500}
.switch{position:relative;width:44px;height:24px}
.switch input{opacity:0;width:0;height:0}
.switch-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--border);border-radius:24px;transition:.3s}
.switch-slider::before{content:'';position:absolute;height:18px;width:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.3s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked+.switch-slider{background:linear-gradient(135deg,var(--primary),var(--primary-dark))}
.switch input:checked+.switch-slider::before{transform:translateX(20px)}

/* 图案选择 */
.pattern-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:8px;margin-bottom:16px}
.pattern-item{aspect-ratio:1;border:2px solid var(--border);border-radius:8px;cursor:pointer;overflow:hidden;position:relative;transition:all .3s}
.pattern-item:hover{border-color:var(--primary)}
.pattern-item.active{border-color:var(--primary);box-shadow:0 0 0 3px rgba(102,126,234,.2)}
.pattern-item canvas{width:100%;height:100%}
.pattern-item .pattern-name{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.6);color:#fff;font-size:10px;padding:2px 4px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 配色方案选择 */
.color-theme-select{margin-bottom:16px}
.color-theme-title{font-size:14px;font-weight:600;margin-bottom:10px;color:var(--text)}
.color-theme-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.color-theme-item{border:2px solid var(--border);border-radius:8px;cursor:pointer;overflow:hidden;transition:all .3s;text-align:center;padding-bottom:4px}
.color-theme-item:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.1)}
.color-theme-item.active{border-color:var(--primary);box-shadow:0 0 0 3px rgba(102,126,234,.2)}
.color-theme-preview{width:100%;height:40px;border-radius:6px 6px 0 0}
.color-theme-name{font-size:10px;color:var(--text-light);padding:2px 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

@media(max-width:900px){.color-theme-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:480px){.color-theme-grid{grid-template-columns:repeat(3,1fr)}}

/* 热门模板 */
.template-section{margin-bottom:16px}
.template-title{font-size:14px;font-weight:600;margin-bottom:10px;color:var(--text)}
.template-list{display:flex;flex-wrap:wrap;gap:8px}
.template-btn{padding:6px 14px;background:var(--bg);border:1px solid var(--border);border-radius:20px;font-size:12px;color:var(--text);cursor:pointer;transition:all .3s}
.template-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* 历史记录 */
.history-section{margin-top:20px;padding-top:20px;border-top:2px solid var(--border)}
.history-title{font-size:14px;font-weight:600;margin-bottom:10px;color:var(--text)}
.history-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:8px}
.history-item{aspect-ratio:1;border-radius:8px;overflow:hidden;cursor:pointer;border:2px solid var(--border);transition:all .3s;position:relative}
.history-item:hover{border-color:var(--primary);transform:translateY(-2px)}
.history-item img{width:100%;height:100%;object-fit:cover}
.history-item .history-info{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.6);color:#fff;font-size:9px;padding:2px 4px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.history-empty{font-size:12px;color:var(--text-light);text-align:center;padding:20px}

.btn-generate{width:100%;padding:14px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s;margin-top:8px}
.btn-generate:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(102,126,234,.3)}
.btn-generate:disabled{opacity:0.7;cursor:not-allowed;transform:none}
.result-panel{background:var(--card);border-radius:16px;padding:24px;border:1px solid var(--border);display:flex;flex-direction:column;align-items:center;min-height:500px;position:relative}
.result-panel h3{font-size:16px;font-weight:600;margin-bottom:20px;align-self:flex-start}
.result-canvas{max-width:100%;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.08);cursor:pointer;transition:transform .3s}
.result-canvas:hover{transform:scale(1.02)}
.result-actions{display:flex;gap:12px;margin-top:20px}
.btn-action{padding:10px 24px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .3s;border:none}
.btn-download{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff}
.btn-download:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(102,126,234,.3)}
.tip{margin-top:16px;padding:12px 16px;background:#fef3c7;color:#92400e;border-radius:8px;font-size:13px;text-align:center}
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.8);z-index:1000;align-items:center;justify-content:center;padding:20px}
.modal-overlay.active{display:flex}
.modal-content{position:relative;background:#fff;border-radius:16px;max-width:90vw;max-height:90vh;box-shadow:0 20px 60px rgba(0,0,0,0.3)}
.modal-content canvas{max-width:100%;max-height:80vh;border-radius:8px}
.modal-close{position:absolute;top:-40px;right:0;color:#fff;font-size:32px;cursor:pointer;line-height:1}

/* 加载遮罩 */
.loading-overlay{display:none;position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,.85);backdrop-filter:blur(2px);z-index:60;border-radius:16px;flex-direction:column;align-items:center;justify-content:center;gap:16px}
.loading-overlay.active{display:flex}
.loading-spinner{width:48px;height:48px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}
.loading-text{font-size:14px;color:var(--text-light);font-weight:500}
@keyframes spin{to{transform:rotate(360deg)}}

/* Toast提示 */
.ht-toast{position:fixed;top:20px;left:50%;transform:translateX(-50%) translateY(-20px);padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;color:#fff;z-index:9999;opacity:0;transition:all .3s;pointer-events:none;box-shadow:0 4px 12px rgba(0,0,0,.15)}
.ht-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.ht-toast-success{background:#10b981}
.ht-toast-error{background:#ef4444}
.ht-toast-warning{background:#f59e0b}
.ht-toast-info{background:#3b82f6}

/* 效果演示 */
.demo-section{background:var(--card);border-radius:16px;padding:24px;border:1px solid var(--border);margin-top:24px}
.demo-title{font-size:18px;font-weight:700;margin-bottom:4px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.demo-subtitle{font-size:13px;color:var(--text-light);margin-bottom:20px}
.demo-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.demo-item{aspect-ratio:1;border-radius:10px;overflow:hidden;cursor:pointer;border:2px solid var(--border);transition:all .3s;position:relative}
.demo-item:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:0 8px 24px rgba(102,126,234,.2)}
.demo-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.demo-item:hover img{transform:scale(1.05)}

/* 权限按钮区域 */
.auth-action-area{margin-top:16px;padding:20px;background:linear-gradient(135deg,#f8faff,#f0f4ff);border-radius:12px;border:1px solid #e2e8f0;text-align:center}
.auth-hint{font-size:14px;color:#4a5568;margin-bottom:14px;line-height:1.6}
.auth-btn-group{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-auth{display:inline-flex;align-items:center;gap:6px;padding:12px 28px;border-radius:10px;font-size:15px;font-weight:700;cursor:pointer;transition:all .3s;text-decoration:none;border:none}
.btn-auth:hover{transform:translateY(-2px)}
.btn-auth-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 15px rgba(102,126,234,.3)}
.btn-auth-primary:hover{box-shadow:0 8px 25px rgba(102,126,234,.4)}
.btn-auth-vip{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;box-shadow:0 4px 15px rgba(245,158,11,.3)}
.btn-auth-vip:hover{box-shadow:0 8px 25px rgba(245,158,11,.4)}
.btn-auth-single{background:#fff;color:var(--primary);border:2px solid var(--primary)}
.btn-auth-single:hover{background:rgba(102,126,234,.05)}

/* 生成按钮区域 */
.generate-action-area{margin-top:8px}
.usage-info{display:flex;align-items:center;gap:10px;margin-top:10px;justify-content:center}
.usage-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e;border-radius:20px;font-size:12px;font-weight:600}
.usage-badge-paid{background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#065f46}
.usage-count{font-size:13px;color:#718096}
.usage-count strong{color:var(--primary);font-size:16px}

/* 历史记录弹窗 */
.history-modal-content{padding:20px;text-align:center}
.history-modal-content canvas{max-width:100%;max-height:60vh;border-radius:8px;margin-bottom:16px}
.history-modal-actions{margin-top:12px}

@media(max-width:900px){.tool-layout{grid-template-columns:1fr}.result-panel{min-height:auto}.pattern-grid{grid-template-columns:repeat(4,1fr)}.demo-grid{grid-template-columns:repeat(3,1fr)}.color-theme-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:480px){.pattern-grid{grid-template-columns:repeat(3,1fr)}.panel,.result-panel{padding:16px}.demo-grid{grid-template-columns:repeat(2,1fr)}.color-theme-grid{grid-template-columns:repeat(3,1fr)}}