/* ========================================
   端智AI - 文生图页面样式
   继承官网深色科技感主题
   ======================================== */

/* ========================================
   基础布局
   ======================================== */
.imagine-particles {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.imagine-gradient-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.imagine-gradient-bg .gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: floatOrb 20s ease-in-out infinite;
}

.imagine-gradient-bg .orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.3) 0%, transparent 70%);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.imagine-gradient-bg .orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
    bottom: -150px;
    right: -150px;
    animation-delay: -7s;
}

.imagine-gradient-bg .orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes floatOrb {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -20px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 30px) scale(0.95);
    }
    75% {
        transform: translate(-30px, -10px) scale(1.02);
    }
}

.imagine-main {
    position: relative;
    z-index: 1;
    height: calc(100vh - 60px); /* 导航栏高度约60px */
    padding: 72px 20px 12px; /* 减少padding */
    overflow: hidden; /* 防止主区域滚动 */
}

.imagine-container {
    display: grid;
    grid-template-columns: 340px 1fr; /* 左侧栏略窄 */
    gap: 16px; /* 减少间距 */
    max-width: 1600px;
    margin: 0 auto;
    height: 100%; /* 填满可用高度 */
}

/* ========================================
   顶部导航
   ======================================== */
.imagine-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-navbar);
    padding: 12px 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.imagine-navbar .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-divider {
    display: inline-block;
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 12px;
}

.nav-page-title {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 场景切换 */
.scene-switcher {
    display: flex;
    gap: 8px;
    padding: 4px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
}

.scene-switch-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

.scene-switch-btn.active {
    background: var(--primary-gradient);
    color: white;
}

.scene-switch-btn svg {
    width: 18px;
    height: 18px;
}

/* 用户信息区 */
.nav-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-balance {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.user-balance svg {
    color: var(--accent-orange);
}

.user-balance .balance-label {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-avatar:hover {
    border-color: var(--primary-purple);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.user-avatar img.loaded {
    display: block;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.user-avatar img.loaded + .avatar-placeholder {
    display: none;
}

/* ========================================
   左侧边栏
   ======================================== */
.imagine-sidebar {
    display: flex;
    flex-direction: column;
    gap: 10px; /* 进一步减少间距 */
    height: 100%; /* 填满高度 */
    overflow-y: auto; /* 内容溢出时滚动 */
    overflow-x: hidden;
    padding-right: 4px; /* 滚动条空间 */
    position: relative;
}

/* 自定义滚动条 */
.imagine-sidebar::-webkit-scrollbar {
    width: 4px;
}

.imagine-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.imagine-sidebar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.imagine-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(124, 58, 237, 0.4);
}

.imagine-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md); /* 减小圆角 */
    padding: 12px; /* 进一步减少padding */
    transition: all var(--transition-normal);
    flex-shrink: 0; /* 防止被压缩 */
}

.imagine-section:hover {
    border-color: rgba(124, 58, 237, 0.2);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px; /* 进一步减少间距 */
}

.section-title {
    display: flex;
    align-items: center;
    gap: 8px; /* 减少间距 */
    font-size: 0.9375rem; /* 减小字号 */
    font-weight: 600;
    color: var(--text-white);
}

.section-title svg {
    color: var(--primary-cyan);
}

.prompt-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
}

/* ========================================
   提示词输入区
   ======================================== */
.prompt-section {
    display: flex;
    flex-direction: column;
    gap: 8px; /* 进一步减少间距 */
}

.prompt-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4px; /* 进一步减少间距 */
}

.prompt-label {
    display: flex;
    align-items: center;
    gap: 6px; /* 减少间距 */
    font-size: 0.8125rem; /* 减小字号 */
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.prompt-label:hover {
    color: var(--text-primary);
}

.label-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.label-dot.positive {
    background: linear-gradient(135deg, #10b981, #34d399);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.label-dot.negative {
    background: linear-gradient(135deg, #ef4444, #f87171);
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}

.toggle-arrow {
    margin-left: auto;
    transition: transform var(--transition-fast);
}

.prompt-input-wrapper.collapsed .toggle-arrow {
    transform: rotate(-90deg);
}

.prompt-input-wrapper.collapsed .collapsible {
    display: none;
}

.textarea-container {
    position: relative;
}

.prompt-textarea {
    width: 100%;
    min-height: 70px; /* 进一步减少高度 */
    max-height: 90px; /* 限制最大高度 */
    padding: 8px 10px; /* 进一步减少padding */
    padding-bottom: 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.8125rem; /* 进一步减小字号 */
    line-height: 1.4;
    resize: none; /* 禁止调整大小，保持紧凑 */
    transition: all var(--transition-fast);
    font-family: inherit;
}

.prompt-textarea-sm {
    min-height: 50px; /* 进一步减少高度 */
    max-height: 60px;
}

.prompt-textarea:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1), 0 0 20px rgba(124, 58, 237, 0.1);
}

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

.textarea-footer {
    position: absolute;
    bottom: 6px;
    right: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.char-count {
    font-size: 0.6875rem; /* 减小字号 */
    color: var(--text-muted);
}

.textarea-glow {
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: var(--primary-gradient);
    opacity: 0;
    z-index: -1;
    filter: blur(8px);
    transition: opacity var(--transition-fast);
    pointer-events: none;
}

.textarea-container:focus-within .textarea-glow {
    opacity: 0.15;
}

/* 快捷标签 */
.quick-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px; /* 减少间距 */
    margin-top: 2px;
}

.quick-tag {
    padding: 4px 10px; /* 减少padding */
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.6875rem; /* 减小字号 */
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-tag:hover {
    background: rgba(124, 58, 237, 0.1);
    border-color: rgba(124, 58, 237, 0.4);
    color: var(--primary-purple);
}

.quick-tag.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
}

/* ========================================
   参数配置区
   ======================================== */
.params-section {
    display: flex;
    flex-direction: column;
    gap: 10px; /* 进一步减少间距 */
}

.param-group {
    display: flex;
    flex-direction: column;
    gap: 6px; /* 进一步减少间距 */
}

.param-label {
    font-size: 0.8125rem; /* 减小字号 */
    font-weight: 500;
    color: var(--text-secondary);
}

/* 模型选择器 */
.model-selector {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.model-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.model-option:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.model-option.selected {
    background: rgba(124, 58, 237, 0.1);
    border-color: var(--primary-purple);
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.15);
}

.model-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
    color: var(--primary-cyan);
}

.model-option.selected .model-icon {
    background: var(--primary-gradient);
    color: white;
}

.model-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.model-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-white);
}

.model-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.model-badge {
    padding: 4px 10px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    color: #10b981;
}

.model-badge.pro {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

/* 尺寸选择器 */
.size-selector {
    display: flex;
    gap: 6px; /* 进一步减少间距 */
}

.size-option {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px; /* 进一步减少间距 */
    padding: 6px 4px; /* 进一步减少padding */
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); /* 减小圆角 */
    cursor: pointer;
    transition: all var(--transition-fast);
}

.size-option:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.size-option.selected {
    background: rgba(124, 58, 237, 0.1);
    border-color: var(--primary-purple);
}

.size-preview {
    background: var(--primary-gradient);
    border-radius: 3px;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.size-option.selected .size-preview {
    opacity: 1;
}

.size-preview.square {
    width: 14px;
    height: 14px;
}

.size-preview.landscape {
    width: 18px;
    height: 12px;
}

.size-preview.wide {
    width: 20px;
    height: 10px;
}

.size-preview.portrait {
    width: 12px;
    height: 18px;
}

.size-preview.tall {
    width: 10px;
    height: 20px;
}

.size-option span {
    font-size: 0.625rem; /* 进一步减小字号 */
    color: var(--text-muted);
}

.size-option.selected span {
    color: var(--text-primary);
}

.size-info {
    text-align: center;
    font-size: 0.6875rem; /* 进一步减小字号 */
    color: var(--text-muted);
    margin-top: 2px;
}

/* 数量选择器 */
.count-selector {
    display: flex;
    gap: 10px;
}

.count-btn {
    flex: 1;
    padding: 10px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.count-btn.selected {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
}

/* 风格选择器 */
.style-selector {
    display: grid;
    grid-template-columns: repeat(6, 1fr); /* 一行6个，更紧凑 */
    gap: 4px; /* 进一步减少间距 */
}

.style-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px; /* 进一步减少间距 */
    padding: 6px 2px; /* 进一步减少padding */
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); /* 减小圆角 */
    cursor: pointer;
    transition: all var(--transition-fast);
}

.style-option:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.style-option.selected {
    background: rgba(124, 58, 237, 0.1);
    border-color: var(--primary-purple);
}

.style-icon {
    font-size: 0.875rem; /* 进一步减小图标 */
}

.style-option span:last-child {
    font-size: 0.5625rem; /* 进一步减小字号 */
    color: var(--text-muted);
}

.style-option.selected span:last-child {
    color: var(--text-primary);
}

/* ========================================
   生成按钮区 - 固定在底部
   ======================================== */
.generate-section {
    display: flex;
    flex-direction: column;
    gap: 6px; /* 进一步减少间距 */
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    margin: 0 -4px; /* 抵消父容器的padding-right */
    z-index: 10;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.cost-estimate {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px; /* 减少padding */
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem; /* 减小字号 */
    color: var(--text-secondary);
}

.cost-estimate svg {
    color: var(--accent-orange);
    width: 14px;
    height: 14px;
}

.cost-estimate strong {
    color: var(--primary-cyan);
    font-weight: 700;
}

.btn-generate {
    position: relative;
    width: 100%;
    padding: 12px 20px; /* 减少padding */
    font-size: 0.9375rem; /* 减小字号 */
    font-weight: 600;
    overflow: hidden;
}

.btn-generate .btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all var(--transition-fast);
}

.btn-generate .btn-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn-generate.loading .btn-content {
    opacity: 0;
}

.btn-generate.loading .btn-loading {
    opacity: 1;
}

.btn-generate .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.btn-generate .btn-glow {
    position: absolute;
    inset: -2px;
    background: var(--primary-gradient);
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    filter: blur(12px);
    transition: opacity var(--transition-normal);
}

.btn-generate:hover .btn-glow {
    opacity: 0.5;
}

/* ========================================
   右侧预览区
   ======================================== */
.imagine-preview {
    display: flex;
    flex-direction: column;
    gap: 12px; /* 减少间距 */
    height: 100%; /* 填满高度 */
    min-height: 0; /* 允许收缩 */
    overflow: hidden;
}

.preview-canvas {
    flex: 1;
    min-height: 300px; /* 减少最小高度 */
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md); /* 减小圆角 */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* 空状态 */
.preview-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px; /* 减少间距 */
    padding: 24px; /* 减少padding */
    text-align: center;
}

.empty-illustration {
    position: relative;
    width: 100px; /* 减小尺寸 */
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-illustration svg {
    color: var(--text-muted);
    opacity: 0.3;
    width: 64px;
    height: 64px;
}

.empty-particles {
    position: absolute;
    inset: 0;
}

.empty-particles span {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary-gradient);
    border-radius: 50%;
    opacity: 0.6;
    animation: particleFloat 3s ease-in-out infinite;
}

.empty-particles span:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.empty-particles span:nth-child(2) {
    top: 10%;
    right: 20%;
    animation-delay: 0.5s;
}

.empty-particles span:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation-delay: 1s;
}

.empty-particles span:nth-child(4) {
    bottom: 10%;
    right: 10%;
    animation-delay: 1.5s;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-10px) scale(1.2);
        opacity: 1;
    }
}

.preview-empty h3 {
    font-size: 1rem; /* 减小字号 */
    font-weight: 600;
    color: var(--text-white);
}

.preview-empty p {
    font-size: 0.8125rem; /* 减小字号 */
    color: var(--text-muted);
}

/* 加载状态 */
.preview-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    padding: 40px;
}

.loading-animation {
    position: relative;
    width: 120px;
    height: 120px;
}

.loading-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
}

.ring-segment {
    position: absolute;
    inset: 0;
    border: 3px solid transparent;
    border-radius: 50%;
    animation: ringRotate 1.5s linear infinite;
}

.ring-segment:nth-child(1) {
    border-top-color: var(--primary-purple);
    animation-duration: 1.5s;
}

.ring-segment:nth-child(2) {
    border-right-color: var(--primary-blue);
    animation-duration: 2s;
    animation-direction: reverse;
}

.ring-segment:nth-child(3) {
    border-bottom-color: var(--primary-cyan);
    animation-duration: 2.5s;
}

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

.loading-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-cyan);
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
}

.loading-progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 300px;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-glass);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progress-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* 生成结果 */
.preview-result {
    width: 100%;
    height: 100%;
    padding: 20px;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    width: 100%;
    height: 100%;
}

.result-item {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-glass);
    cursor: pointer;
    transition: all var(--transition-normal);
    animation: resultFadeIn 0.5s ease forwards;
}

@keyframes resultFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.result-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(124, 58, 237, 0.2);
}

.result-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.result-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.8) 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 16px;
}

.result-item:hover .result-item-overlay {
    opacity: 1;
}

.result-item-actions {
    display: flex;
    gap: 8px;
}

.result-action-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.result-action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ========================================
   历史记录面板
   ======================================== */
.history-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px; /* 减少padding */
    flex-shrink: 0; /* 防止被压缩 */
    max-height: 140px; /* 限制最大高度 */
}

.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px; /* 减少间距 */
}

.history-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem; /* 减小字号 */
    font-weight: 600;
    color: var(--text-white);
}

.history-title svg {
    color: var(--primary-cyan);
    width: 14px;
    height: 14px;
}

.history-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(56px, 1fr)); /* 减小最小宽度 */
    gap: 8px; /* 减少间距 */
    max-height: 80px; /* 限制高度 */
    overflow-y: auto;
}

.history-grid::-webkit-scrollbar {
    width: 4px;
}

.history-grid::-webkit-scrollbar-track {
    background: transparent;
}

.history-grid::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.history-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-glass);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.history-item:hover {
    border-color: var(--primary-purple);
    transform: scale(1.05);
}

.history-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.history-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px; /* 减少padding */
    color: var(--text-muted);
}

.history-empty svg {
    opacity: 0.5;
    width: 24px;
    height: 24px;
}

.history-empty p {
    font-size: 0.75rem; /* 减小字号 */
}

/* ========================================
   弹窗样式
   ======================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    max-width: 90vw;
    max-height: 90vh;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.8);
    border-color: rgba(239, 68, 68, 0.6);
    color: white;
    transform: rotate(90deg);
}

/* 图片预览弹窗 */
.modal-image {
    padding: 0;
    overflow: hidden;
    background: linear-gradient(180deg,
        rgba(99, 102, 241, 0.1) 0%,
        rgba(10, 10, 26, 0.98) 50%,
        rgba(139, 92, 246, 0.08) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    box-shadow:
        0 0 60px rgba(99, 102, 241, 0.2),
        0 0 100px rgba(139, 92, 246, 0.1);
}

.image-container {
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.image-container img {
    max-width: 100%;
    max-height: 70vh;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.image-info {
    display: flex;
    justify-content: center;
    gap: 32px;
    padding: 12px 24px;
    background: rgba(99, 102, 241, 0.05);
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

.image-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.image-info-item svg {
    color: var(--primary-cyan);
}

.modal-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 20px 24px;
}

.modal-actions .btn {
    min-width: 140px;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1200px) {
    .imagine-container {
        grid-template-columns: 320px 1fr;
    }
}

@media (max-width: 991.98px) {
    .imagine-main {
        height: auto;
        min-height: 100vh;
        overflow: visible;
        padding: 60px 16px 80px; /* 底部留空给固定按钮 */
    }

    .imagine-container {
        grid-template-columns: 1fr;
        height: auto;
        gap: 12px;
    }

    /* 关键：sidebar（输入区）在上方 */
    .imagine-sidebar {
        order: 1;
        height: auto;
        overflow: visible;
        max-height: none;
        padding-right: 0;
    }

    /* 预览区在下方 */
    .imagine-preview {
        order: 2;
        height: auto;
        min-height: auto;
    }

    /* 压缩预览画布 */
    .preview-canvas {
        min-height: 180px;
        max-height: 200px;
    }

    /* 历史记录极致压缩 */
    .history-panel {
        max-height: 80px;
        padding: 8px;
    }

    .history-header {
        margin-bottom: 6px;
    }

    .history-grid {
        max-height: 50px;
        grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
        gap: 4px;
    }

    /* 生成按钮固定在底部 */
    .generate-section {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        margin: 0;
        border-radius: 0;
        padding: 10px 16px;
        padding-bottom: 10px;
        padding-bottom: calc(10px + env(safe-area-inset-bottom));
        background: rgba(10, 10, 26, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-top: 1px solid var(--border-color);
        border-left: none;
        border-right: none;
        border-bottom: none;
        z-index: 100;
    }

    .scene-switcher {
        display: none;
    }
}

@media (max-width: 767.98px) {
    .imagine-main {
        padding: 56px 12px 76px;
    }

    .imagine-navbar .nav-container {
        flex-wrap: wrap;
        gap: 8px;
    }

    .nav-divider,
    .nav-page-title {
        display: none;
    }

    .nav-user {
        gap: 6px;
    }

    .user-balance {
        padding: 4px 8px;
        font-size: 0.6875rem;
    }

    .btn-sm {
        padding: 4px 8px;
        font-size: 0.6875rem;
    }

    /* 进一步压缩各区块 */
    .imagine-section {
        padding: 10px;
    }

    .imagine-sidebar {
        gap: 8px;
    }

    .section-header {
        margin-bottom: 6px;
    }

    /* 提示词输入框压缩 */
    .prompt-textarea {
        min-height: 60px;
        max-height: 80px;
    }

    .prompt-textarea-sm {
        min-height: 40px;
        max-height: 50px;
    }

    /* 快捷标签更紧凑 */
    .quick-tags {
        gap: 4px;
        margin-top: 0;
    }

    .quick-tag {
        padding: 3px 6px;
        font-size: 0.5625rem;
    }

    /* 尺寸选择器 - 一行5个 */
    .size-selector {
        gap: 4px;
    }

    .size-option {
        padding: 4px 2px;
        flex: 0 0 calc(20% - 4px);
        min-width: 50px;
    }

    .size-option span {
        font-size: 0.5625rem;
    }

    /* 风格选择器 - 一行4个更紧凑 */
    .style-selector {
        grid-template-columns: repeat(4, 1fr);
        gap: 4px;
    }

    .style-option {
        padding: 6px 2px;
    }

    .style-icon {
        font-size: 0.875rem;
    }

    .style-option span:last-child {
        font-size: 0.5rem;
    }

    /* 预览区更小 */
    .preview-canvas {
        min-height: 150px;
        max-height: 180px;
    }

    /* 历史记录可折叠样式 */
    .history-panel {
        max-height: 60px;
        padding: 6px 8px;
    }

    .history-title {
        font-size: 0.75rem;
    }

    .history-grid {
        max-height: 40px;
        grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
    }

    /* 生成按钮区更紧凑 */
    .generate-section {
        padding: 8px 12px;
        padding-bottom: 8px;
        padding-bottom: calc(8px + env(safe-area-inset-bottom));
        gap: 4px;
    }

    .cost-estimate {
        padding: 4px 8px;
        font-size: 0.6875rem;
    }

    .btn-generate {
        padding: 10px 16px;
        font-size: 0.8125rem;
    }

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

    /* 隐藏反向提示词区域默认折叠 */
    .prompt-input-wrapper.collapsed .collapsible {
        display: none;
    }
}

@media (max-width: 575.98px) {
    .imagine-main {
        padding: 52px 10px 72px;
    }

    .section-title {
        font-size: 0.8125rem;
    }

    .section-title svg {
        width: 14px;
        height: 14px;
    }

    .param-label {
        font-size: 0.75rem;
    }

    .prompt-textarea {
        min-height: 50px;
        max-height: 70px;
        font-size: 0.75rem;
        padding: 6px 8px;
        padding-bottom: 20px;
    }

    /* 尺寸预览图标更小 */
    .size-preview.square {
        width: 12px;
        height: 12px;
    }

    .size-preview.landscape {
        width: 16px;
        height: 10px;
    }

    .size-preview.wide {
        width: 18px;
        height: 8px;
    }

    .size-preview.portrait {
        width: 10px;
        height: 16px;
    }

    .size-preview.tall {
        width: 8px;
        height: 18px;
    }

    /* 风格选择器极致压缩 */
    .style-selector {
        grid-template-columns: repeat(6, 1fr);
        gap: 3px;
    }

    .style-option {
        padding: 4px 1px;
        gap: 0;
    }

    .style-icon {
        font-size: 0.75rem;
    }

    .style-option span:last-child {
        font-size: 0.4375rem;
    }

    /* 预览区最小化 */
    .preview-canvas {
        min-height: 120px;
        max-height: 150px;
    }

    .preview-empty {
        padding: 12px;
        gap: 8px;
    }

    .empty-illustration {
        width: 60px;
        height: 60px;
    }

    .empty-illustration svg {
        width: 40px;
        height: 40px;
    }

    .preview-empty h3 {
        font-size: 0.875rem;
    }

    .preview-empty p {
        font-size: 0.6875rem;
    }

    /* 历史记录折叠到最小 */
    .history-panel {
        max-height: 50px;
        padding: 4px 6px;
    }

    .history-header {
        margin-bottom: 4px;
    }

    .history-grid {
        max-height: 32px;
        grid-template-columns: repeat(auto-fill, minmax(28px, 1fr));
        gap: 3px;
    }

    .history-empty {
        padding: 6px;
    }

    .history-empty svg {
        width: 16px;
        height: 16px;
    }

    .history-empty p {
        font-size: 0.625rem;
    }

    .model-icon {
        width: 28px;
        height: 28px;
    }

    .model-name {
        font-size: 0.8125rem;
    }
}

/* ========================================
   登录弹窗样式（复用 creator 的样式）
   ======================================== */
.login-modal {
    max-width: 420px;
    padding: 32px;
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.login-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    padding: 4px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
}

.login-tab {
    flex: 1;
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.login-tab:hover {
    color: var(--text-primary);
}

.login-tab.active {
    background: var(--primary-gradient);
    color: white;
}

.login-form {
    margin-bottom: 24px;
}

.login-form-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-field input[type="tel"],
.form-field input[type="text"],
.form-field input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.form-field input:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.form-field input::placeholder {
    color: var(--text-muted);
}

.sms-input-group {
    display: flex;
    gap: 12px;
}

.sms-input-group input {
    flex: 1;
}

.btn-send-sms {
    flex-shrink: 0;
    padding: 12px 20px;
    background: var(--bg-glass-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--primary-cyan);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-send-sms:hover:not(:disabled) {
    background: rgba(124, 58, 237, 0.1);
    border-color: var(--primary-purple);
    color: var(--primary-purple);
}

.btn-send-sms:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    color: var(--text-muted);
}

.agreement-field {
    margin-top: 4px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    position: relative;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-gradient);
    border-color: transparent;
}

.checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 3px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    opacity: 1;
}

.checkbox-label a {
    color: var(--primary-cyan);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.login-footer {
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.login-tip {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.bonus-points {
    color: var(--accent-orange);
    font-weight: 700;
}

/* Toast 提示 */
.toast {
    position: fixed;
    top: auto;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 0.9375rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-tooltip);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.toast.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.toast-success {
    border-color: rgba(16, 185, 129, 0.3);
}

.toast-success svg {
    color: #10b981;
}

.toast-error {
    border-color: rgba(239, 68, 68, 0.3);
}

.toast-error svg {
    color: #ef4444;
}

.toast-info svg {
    color: var(--primary-cyan);
}