/* ==========================================================================
   CSS Styling: Heritage Warmth Premium Web Archetype
   Inspired by: Illustrated Warm & Niche Editorial Layout
   Designed for: Chef-RAG Premium Web Dashboard
   ========================================================================== */

:root {
    /* 主色彩系统 - 精调 Heritage Warmth */
    --bg-primary: #F5F2E9;       /* 柔和暖燕麦底色 */
    --bg-secondary: rgba(236, 232, 220, 0.82); /* 侧栏半透明磨砂色 */
    --fg-primary: #2C2724;       /* 优雅炭黑 */
    --fg-secondary: #5D5651;     /* 深灰乳褐 */
    --fg-muted: #8E8780;         /* 浅沙褐 */
    --border-subtle: rgba(142, 122, 74, 0.18); /* 古铜金边界 */
    --accent-primary: #8E7A4A;   /* 高雅古铜金 */
    --accent-secondary: #5C4E2F; /* 深褐金 */
    --accent-light: #F2ECE1;     /* 极浅燕麦白 */
    --accent-glow: rgba(142, 122, 74, 0.12);
    
    --card-bg: #FFFFFF;
    --card-bg-hover: #FDFDFB;
    --card-border: 1px solid rgba(142, 122, 74, 0.15);
    
    /* 辅助色 */
    --warm-gold: #C2A265;
    --terracotta: #C97D55;       /* 琥珀陶土红 */
    --forest-green: #5F7D65;     /* 抹茶绿 */
    --accent-red: #B85A4B;       /* 警报红色 */
    
    /* 间距与圆角 */
    --round-xs: 4px;
    --round-sm: 8px;
    --round-md: 12px;
    --round-lg: 18px;
    --round-xl: 24px;
    --round-full: 9999px;
    
    /* 现代阴影系统 - Soft Cloud & Lift */
    --shadow-sm: 0 2px 8px rgba(142, 122, 74, 0.04);
    --shadow-md: 0 8px 20px -6px rgba(142, 122, 74, 0.08), 0 2px 4px rgba(0, 0, 0, 0.01);
    --shadow-lg: 0 16px 36px -12px rgba(142, 122, 74, 0.15), 0 3px 8px -2px rgba(142, 122, 74, 0.05);
    --shadow-wood: 0 4px 12px rgba(44, 39, 36, 0.08);
    --shadow-inset: inset 0 2px 4px rgba(44, 39, 36, 0.03);
    
    /* 字体定义 */
    --font-heading: 'Playfair Display', 'Noto Serif SC', Georgia, serif;
    --font-body: 'Outfit', 'Inter', -apple-system, system-ui, sans-serif;
    
    /* 动效曲线 */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.18s ease;
}

/* 基础重置 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 10% 10%, rgba(253, 251, 246, 0.7) 0%, transparent 45%),
        radial-gradient(circle at 80% 20%, rgba(238, 230, 212, 0.5) 0%, transparent 55%),
        radial-gradient(circle at 90% 80%, rgba(226, 218, 198, 0.4) 0%, transparent 60%);
    color: var(--fg-primary);
    height: 100vh;
    overflow: hidden;
    display: flex;
}

/* 全局主包装层 */
.main-wrapper {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

/* 典雅顶栏 */
.app-header {
    height: 68px;
    background-color: rgba(245, 242, 233, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    box-shadow: 0 2px 10px rgba(142, 122, 74, 0.04);
    z-index: 100;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-logo-svg {
    width: 42px;
    height: 42px;
    filter: drop-shadow(0 2px 4px rgba(142, 122, 74, 0.15));
    transition: var(--transition-smooth);
}

.logo-area:hover .header-logo-svg {
    transform: rotate(-8deg) scale(1.05);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 21px;
    font-weight: 800;
    color: var(--accent-secondary);
    letter-spacing: 0.05em;
    line-height: 1.1;
}

.brand-subtitle {
    font-size: 11px;
    font-weight: 500;
    color: var(--fg-secondary);
    letter-spacing: 0.1em;
    margin-top: 1px;
}

.header-right-decor {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--fg-muted);
}

.decor-stamp {
    border: 1px solid var(--border-subtle);
    padding: 3px 8px;
    border-radius: var(--round-xs);
    background-color: rgba(255, 255, 255, 0.4);
}

.decor-dot {
    width: 4px;
    height: 4px;
    background-color: var(--accent-primary);
    border-radius: 50%;
}

.decor-tagline {
    color: var(--accent-primary);
}

/* 主布局容器 */
.app-container {
    display: flex;
    flex: 1;
    height: calc(100vh - 68px);
    padding: 16px;
    gap: 16px;
    overflow: hidden;
}

/* 侧边栏：磨砂毛玻璃 */
.sidebar {
    width: 320px;
    height: 100%;
    background-color: var(--bg-secondary);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--round-lg);
    display: flex;
    flex-direction: column;
    padding: 24px 20px;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.sidebar-right {
    width: 340px;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(142, 122, 74, 0.25);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* 头像个人卡 */
.profile-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: linear-gradient(135deg, #FFFFFF 0%, #FAF9F6 100%);
    padding: 16px;
    border-radius: var(--round-md);
    box-shadow: var(--shadow-sm);
    border: var(--card-border);
    transition: var(--transition-smooth);
}

.profile-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(142, 122, 74, 0.35);
}

.avatar-container {
    width: 46px;
    height: 46px;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--border-subtle);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

.avatar-svg {
    width: 26px;
    height: 26px;
}

.user-info h3 {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--fg-primary);
}

.city-badge-container {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11.5px;
    color: var(--accent-primary);
    margin-top: 3px;
    background-color: rgba(142, 122, 74, 0.08);
    padding: 2px 10px;
    border-radius: var(--round-full);
    width: fit-content;
    font-weight: 600;
}

.small-icon {
    width: 12px;
    height: 12px;
}

.sidebar-divider {
    height: 1px;
    background: linear-gradient(to right, rgba(142, 122, 74, 0.2), transparent);
    margin: 20px 0;
    width: 100%;
}

/* 表单分组 */
.setting-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.section-label {
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.label-icon {
    width: 14px;
    height: 14px;
    stroke-width: 2.5;
}

/* ==========================================================================
   输入框与按钮“一体化”整合美化设计
   ========================================================================== */
.city-input-group, .add-tag-group {
    display: flex;
    align-items: center;
    border: var(--card-border);
    background-color: var(--card-bg);
    border-radius: var(--round-sm);
    padding: 3px 3px 3px 6px;
    box-shadow: var(--shadow-inset);
    transition: var(--transition-smooth);
    width: 100%;
    overflow: hidden;
}

.city-input-group:focus-within, .add-tag-group:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background-color: #FFFFFF;
}

input[type="text"], input[type="number"] {
    flex: 1;
    min-width: 0;
    width: 100%;
    padding: 10px 14px;
    font-size: 13px;
    border: var(--card-border);
    background-color: var(--card-bg);
    border-radius: var(--round-sm);
    color: var(--fg-primary);
    outline: none;
    font-family: inherit;
    box-shadow: var(--shadow-inset);
    transition: var(--transition-smooth);
}

.city-input-group input, .add-tag-group input {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
    padding: 8px 6px;
    margin: 0;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    transition: var(--transition-smooth);
}

.city-input-group button, .add-tag-group button {
    height: 32px;
    width: 32px;
    border-radius: calc(var(--round-sm) - 3px);
    box-shadow: none;
    flex-shrink: 0;
    background-color: var(--accent-primary);
    color: #FFFFFF;
    display: flex;
    justify-content: center;
    align-items: center;
}

.city-input-group button:hover {
    background-color: var(--accent-secondary);
}

/* 忌口食材按钮的特殊底色覆盖 */
.add-tag-group .btn-secondary {
    background-color: rgba(142, 122, 74, 0.08);
    color: var(--accent-primary);
}

.add-tag-group .btn-secondary:hover {
    background-color: var(--accent-primary);
    color: #FFFFFF;
}

/* 饮食偏好列表 */
.preference-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pref-card {
    background-color: var(--card-bg);
    border: var(--card-border);
    border-radius: var(--round-md);
    padding: 12px 14px;
    cursor: pointer;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.pref-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(142, 122, 74, 0.35);
}

.pref-card.active {
    border-color: var(--accent-primary);
    border-width: 1.5px;
    background: linear-gradient(135deg, #FFFFFF 0%, #FAF7EE 100%);
    box-shadow: 0 4px 14px var(--accent-glow);
}

.pref-card-deco {
    width: 32px;
    height: 32px;
    background-color: var(--accent-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    color: var(--accent-primary);
    transition: var(--transition-smooth);
}

.pref-card.active .pref-card-deco {
    background-color: var(--accent-primary);
    color: #FFFFFF;
}

.pref-svg {
    width: 18px;
    height: 18px;
}

.pref-text {
    flex: 1;
}

.pref-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    font-weight: 700;
    color: var(--fg-primary);
}

.pref-desc {
    font-size: 11px;
    color: var(--fg-secondary);
    margin-top: 4px;
    line-height: 1.4;
}

.check-icon {
    width: 14px;
    height: 14px;
    color: var(--accent-primary);
    transition: var(--transition-fast);
}

.check-icon.hide {
    opacity: 0;
    transform: scale(0.6);
}

/* 忌口标签云 */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 4px;
    min-height: 24px;
}

.avoid-tag {
    background-color: var(--card-bg);
    border: 1px solid rgba(184, 90, 75, 0.2);
    background: linear-gradient(to bottom, #FFFFFF, #FFFBFB);
    border-radius: var(--round-full);
    padding: 4px 12px;
    font-size: 11.5px;
    display: flex;
    align-items: center;
    gap: 6px;
    color: #A64435;
    box-shadow: var(--shadow-sm);
    font-weight: 500;
    animation: scale-up 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275) ease;
}

@keyframes scale-up {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.remove-tag-btn {
    cursor: pointer;
    color: #D38B7F;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.remove-tag-btn:hover {
    color: #FFFFFF;
    background-color: var(--accent-red);
}

/* 自适应 Toggle 行 */
.toggle-row {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg);
    border: var(--card-border);
    padding: 14px;
    border-radius: var(--round-md);
    box-shadow: var(--shadow-sm);
}

.toggle-text {
    flex: 1;
    padding-right: 12px;
}

.toggle-row .section-label {
    margin-bottom: 0;
}

.switch-toggle {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 24px;
    flex-shrink: 0;
}

.switch-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider-round {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--accent-light);
    transition: var(--transition-fast);
    border-radius: 24px;
    border: 1px solid var(--border-subtle);
}

.slider-round:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: var(--accent-primary);
    transition: var(--transition-fast);
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

input:checked + .slider-round {
    background-color: var(--accent-primary);
}

input:checked + .slider-round:before {
    transform: translateX(18px);
    background-color: #FFFFFF;
}

/* 底部重置按钮 */
.sidebar-footer {
    margin-top: auto;
    padding-top: 20px;
}

.btn-danger {
    background: linear-gradient(135deg, #FFF5F4, #FFEBEA);
    color: var(--accent-red);
    border: 1px dashed rgba(184, 90, 75, 0.4);
    padding: 12px;
    border-radius: var(--round-md);
    font-size: 12.5px;
    font-weight: 700;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--accent-red) 0%, #9F3E30 100%);
    color: white;
    border-style: solid;
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(184, 90, 75, 0.2);
}

/* ==========================================================================
   中间对话区
   ========================================================================== */
.chat-area {
    flex: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--card-bg);
    border: var(--card-border);
    border-radius: var(--round-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.chat-area:hover {
    box-shadow: var(--shadow-lg);
}

/* 养生古纸轴提示栏 */
.context-bar.scroll-theme {
    height: 58px;
    background: linear-gradient(to right, #F6F3EB 0%, #FCFAF6 50%, #F6F3EB 100%);
    border-bottom: 2px solid var(--accent-primary);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 10;
    position: relative;
    box-shadow: var(--shadow-wood);
}

.scroll-wood-left {
    position: absolute;
    left: -3px;
    top: -2px;
    width: 6px;
    height: calc(100% + 4px);
    background: linear-gradient(to bottom, var(--accent-secondary), var(--accent-primary), var(--accent-secondary));
    border-radius: 3px;
    box-shadow: 2px 0 4px rgba(44,39,36,0.25);
}

.scroll-wood-right {
    position: absolute;
    right: -3px;
    top: -2px;
    width: 6px;
    height: calc(100% + 4px);
    background: linear-gradient(to bottom, var(--accent-secondary), var(--accent-primary), var(--accent-secondary));
    border-radius: 3px;
    box-shadow: -2px 0 4px rgba(44,39,36,0.25);
}

.context-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    overflow: hidden;
}

.weather-icon-badge {
    width: 32px;
    height: 32px;
    background-color: rgba(226, 162, 101, 0.15);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.weather-icon {
    width: 18px;
    height: 18px;
    color: var(--terracotta);
}

.weather-message {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--fg-primary);
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    color: var(--forest-green);
    background-color: #EBF3ED;
    padding: 4px 10px;
    border-radius: var(--round-full);
    border: 1px solid rgba(95, 125, 101, 0.2);
    flex-shrink: 0;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--forest-green);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--forest-green);
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(0.9); opacity: 0.4; }
    50% { transform: scale(1.25); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.4; }
}

/* 聊天对话视窗 */
.dialogue-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background-color: #FAF8F4;
    background-image: 
        radial-gradient(var(--border-subtle) 0.5px, transparent 0.5px),
        radial-gradient(var(--border-subtle) 0.5px, #FAF8F4 0.5px);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
}

/* 气泡组合与头像 */
.message-bubble {
    display: flex;
    gap: 12px;
    max-width: 85%;
}

.message-ai {
    align-self: flex-start;
}

.message-user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.avatar-bubble {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
    border: 1.5px solid var(--accent-primary);
}

.message-user .avatar-bubble {
    background-color: var(--accent-primary);
}

.avatar-mini-svg {
    width: 100%;
    height: 100%;
}

.bubble-content {
    padding: 12px 16px;
    font-size: 13.5px;
    line-height: 1.6;
    word-wrap: break-word;
    border-radius: var(--round-md);
}

.message-ai .bubble-content {
    background-color: var(--card-bg);
    color: var(--fg-primary);
    box-shadow: var(--shadow-sm);
    border: var(--card-border);
    border-left: 3px solid var(--accent-primary);
}

.message-user .bubble-content {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 10px rgba(142, 122, 74, 0.15);
}

/* ==========================================================================
   复古餐单大卡片 (法式高雅餐单风格)
   ========================================================================== */
.recipe-card-wrapper {
    width: 100%;
    max-width: 480px;
    align-self: flex-start;
    padding-left: 48px; /* 对齐 AI 头像后的文本列 */
    animation: slide-in-up 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slide-in-up {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.recipe-card {
    background-color: #FAF7F0;
    border: 2px solid var(--accent-primary);
    outline: 1px solid rgba(142, 122, 74, 0.25);
    outline-offset: -5px;
    border-radius: var(--round-md);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.recipe-card::before {
    content: "♦   M E N U   ♦";
    font-family: var(--font-heading);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-align: center;
    color: var(--accent-primary);
    opacity: 0.6;
    display: block;
}

.recipe-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed var(--border-subtle);
    padding-bottom: 12px;
}

.recipe-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-secondary);
}

.match-badge {
    background-color: rgba(95, 125, 101, 0.15);
    color: var(--forest-green);
    border: 1px solid rgba(95, 125, 101, 0.25);
    padding: 2px 8px;
    border-radius: var(--round-xs);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.recipe-tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.recipe-tag {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--round-xs);
    background-color: var(--accent-light);
    color: var(--fg-secondary);
    border: 1px solid rgba(142, 122, 74, 0.1);
}

.recipe-tag.avoided {
    background-color: #FFF2F0;
    color: var(--accent-red);
    border-color: rgba(184, 90, 75, 0.15);
}

.recipe-summary-text {
    font-size: 12.5px;
    color: var(--fg-secondary);
    line-height: 1.6;
    background-color: rgba(255, 255, 255, 0.6);
    padding: 14px;
    border-radius: var(--round-sm);
    border: 1px solid var(--border-subtle);
}

.recipe-summary-text strong {
    color: var(--accent-secondary);
}

.btn-cook {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: #FFFFFF;
    padding: 11px;
    border-radius: var(--round-xs);
    font-size: 13px;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 4px 8px rgba(142, 122, 74, 0.15);
    letter-spacing: 0.05em;
    border: 1px solid rgba(142, 122, 74, 0.2);
}

.btn-cook:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(142, 122, 74, 0.25);
    background: linear-gradient(135deg, var(--accent-secondary) 0%, #463B22 100%);
}

/* 底部输入框 */
.chat-input-bar {
    height: 72px;
    background-color: rgba(245, 242, 233, 0.85);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-subtle);
    padding: 14px 20px;
    display: flex;
    gap: 12px;
    align-items: center;
}

.input-container {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.input-container input {
    width: 100%;
    padding: 11px 48px 11px 18px;
    font-size: 13.5px;
    border: 1.5px solid var(--border-subtle);
    border-radius: var(--round-full);
    background-color: #FFFFFF;
    outline: none;
    color: var(--fg-primary);
    box-shadow: var(--shadow-inset);
    transition: var(--transition-smooth);
}

.input-container input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.icon-button {
    position: absolute;
    right: 14px;
    background: transparent;
    color: var(--fg-muted);
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-button:hover {
    color: var(--accent-primary);
    transform: scale(1.05);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 3px 8px rgba(142, 122, 74, 0.2);
    flex-shrink: 0;
}

.btn-primary:hover {
    transform: translateY(-1.5px);
    box-shadow: 0 5px 12px rgba(142, 122, 74, 0.3);
}

/* ==========================================================================
   右侧智能冰箱
   ========================================================================== */
.fridge-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.fridge-header h3 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-secondary);
}

.sidebar-svg-icon {
    width: 18px;
    height: 18px;
    color: var(--accent-primary);
}

.item-count-badge {
    background-color: var(--accent-primary);
    color: #FFFFFF;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--round-xs);
}

/* 冰箱快速添加卡：小纸签手写板 */
.fridge-add-card {
    background-color: #FFFFFF;
    border: var(--card-border);
    border-radius: var(--round-md);
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border-left: 3px solid var(--accent-primary);
    position: relative;
    width: 100%;
}

.add-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.add-row {
    display: flex;
    gap: 8px;
    width: 100%;
}

.add-row input {
    min-width: 0;
    width: 100%;
    flex: 1;
}

.margin-top-xs {
    margin-top: 8px;
}

.input-small {
    padding: 8px 10px;
    font-size: 12px;
    border-radius: var(--round-xs);
    min-width: 0;
    width: 100%;
}

.btn-primary-small {
    background-color: var(--accent-primary);
    color: white;
    border-radius: var(--round-xs);
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 2px 4px rgba(142, 122, 74, 0.15);
    flex-shrink: 0;
}

.btn-primary-small:hover {
    background-color: var(--accent-secondary);
    transform: translateY(-1px);
}

/* 冰箱货架式列表 */
.fridge-shelf-container {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 16px;
    padding-right: 4px;
}

.fridge-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* 冰箱抽屉卡片 */
.fridge-item-card {
    background-color: #FFFFFF;
    border: var(--card-border);
    border-radius: var(--round-md);
    padding: 12px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    cursor: pointer;
    position: relative;
}

.fridge-item-card:hover {
    border-color: var(--accent-primary);
    transform: translateX(-3px);
    box-shadow: var(--shadow-md);
}

.fridge-item-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.expiry-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.expiry-dot.expired-warn {
    background-color: var(--accent-red);
    box-shadow: 0 0 8px rgba(184, 90, 75, 0.8);
    animation: blink-red 1.4s infinite ease-in-out;
}

.expiry-dot.expired-normal {
    background-color: var(--forest-green);
}

@keyframes blink-red {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.3; transform: scale(0.9); }
}

.fridge-item-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.fridge-item-name {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--fg-primary);
}

.fridge-item-details {
    font-size: 11px;
    color: var(--fg-secondary);
}

.fridge-item-details.danger {
    color: var(--accent-red);
    font-weight: 600;
}

.fridge-item-actions {
    display: flex;
    align-items: center;
    opacity: 0.4;
    transition: var(--transition-fast);
}

.fridge-item-card:hover .fridge-item-actions {
    opacity: 1;
}

.action-icon {
    width: 15px;
    height: 15px;
    color: var(--fg-muted);
    transition: var(--transition-fast);
}

.action-icon:hover {
    color: var(--accent-primary);
}

.action-icon.trash:hover {
    color: var(--accent-red);
    transform: scale(1.1);
}

/* 冰箱空状态插画 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 0;
    color: var(--fg-muted);
    font-size: 12px;
}

.empty-fridge-svg {
    width: 68px;
    height: 80px;
    opacity: 0.6;
}

/* 冰箱脚部提示 */
.fridge-footer-tip {
    background: linear-gradient(135deg, #FFFFFF 0%, #FAF8F3 100%);
    border: 1px dashed var(--border-subtle);
    border-radius: var(--round-md);
    padding: 12px 14px;
    box-shadow: var(--shadow-sm);
}

.fridge-footer-tip h4 {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 6px;
}

.fridge-footer-tip p {
    font-size: 11px;
    color: var(--fg-secondary);
    line-height: 1.4;
}

/* ==========================================================================
   打字骨架与辅助
   ========================================================================== */
.typing-loader {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 8px;
}

.typing-loader span {
    width: 6px;
    height: 6px;
    background-color: var(--accent-primary);
    border-radius: 50%;
    animation: typing-bounce 1.2s infinite ease-in-out;
}

.typing-loader span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-loader span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

/* 过渡退出效果 (JS中使用) */
.fridge-item-card.removing {
    transform: translateX(100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

/* 流式打字游标样式与闪烁效果 */
.typing-cursor {
    color: var(--accent-primary);
    margin-left: 2px;
    font-size: 13px;
    animation: cursor-blink 0.8s infinite steps(2, start);
    display: inline-block;
    vertical-align: middle;
}

@keyframes cursor-blink {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

/* ==========================================================================
   Responsive & Mobile Drawer Styles (max-width: 1024px)
   ========================================================================== */

/* 1. PC 端默认隐藏移动端专属控制按钮和侧栏关闭按钮 */
.header-mobile-actions,
.sidebar-left .mobile-close-btn,
.sidebar-right .mobile-close-btn {
    display: none;
}

/* 侧滑抽屉背景遮罩层 */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(44, 39, 36, 0.4);
    backdrop-filter: blur(4px);
    z-index: 190;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.38s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 1024px) {
    /* 2. 隐藏 PC 端右侧装饰，显示移动端操作按钮 */
    .header-right-decor {
        display: none !important;
    }
    
    .header-mobile-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    
    .btn-mobile-action {
        width: 36px;
        height: 36px;
        border-radius: var(--round-sm);
        background-color: var(--accent-light);
        color: var(--accent-secondary);
        display: flex;
        justify-content: center;
        align-items: center;
        border: 1px solid var(--border-subtle);
        box-shadow: var(--shadow-sm);
        transition: var(--transition-fast);
    }
    
    .btn-mobile-action:hover {
        background-color: var(--accent-primary);
        color: #FFFFFF;
        transform: translateY(-1px);
    }
    
    .btn-mobile-action i {
        width: 18px;
        height: 18px;
    }
    
    /* 3. 主页面容器与布局微调 */
    .app-container {
        padding: 8px;
        gap: 0;
        position: relative;
    }
    
    .chat-area {
        width: 100% !important;
        height: 100%;
        border-radius: var(--round-md);
    }
    
    /* 4. 侧边栏转换为固定绝对定位的滑出抽屉 */
    .sidebar {
        position: fixed;
        top: 0;
        height: 100vh;
        z-index: 200;
        border-radius: 0; /* 手机端贴边去掉圆角 */
        box-shadow: var(--shadow-lg);
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        width: 320px;
        max-width: 85%;
    }
    
    /* 左侧偏好侧栏 */
    .sidebar-left {
        left: 0;
        transform: translateX(-100%);
        border-right: 1px solid var(--border-subtle);
    }
    
    .sidebar-left.open {
        transform: translateX(0);
    }
    
    /* 右侧冰箱侧栏 - 对齐 ui_design.pen 的 Fridge Drawer Panel 样式 */
    .sidebar-right {
        right: 0;
        transform: translateX(100%);
        border-left: 1px solid var(--border-subtle);
        background-color: rgba(232, 228, 216, 0.95) !important; /* 磨砂底色 #E8E4D8F2 */
        backdrop-filter: blur(12px) !important;
    }
    
    .sidebar-right.open {
        transform: translateX(0);
    }
    
    /* 5. 侧边栏内部的移动端专属关闭按钮 */
    .sidebar-left .mobile-close-btn,
    .sidebar-right .mobile-close-btn {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 30px;
        height: 30px;
        border-radius: var(--round-sm);
        background-color: rgba(142, 122, 74, 0.08);
        color: var(--accent-primary);
        border: none;
        cursor: pointer;
        transition: var(--transition-fast);
    }
    
    .sidebar-left .mobile-close-btn:hover,
    .sidebar-right .mobile-close-btn:hover {
        background-color: var(--accent-primary);
        color: #FFFFFF;
    }
    
    /* 偏好设置侧栏的关闭按钮定位 */
    .sidebar-left .profile-card {
        position: relative;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding-top: 48px; /* 留出顶部返回按钮空间 */
    }
    
    .sidebar-left .profile-card .mobile-close-btn {
        position: absolute;
        left: 12px;
        top: 12px;
        display: flex;
    }
    
    /* 智能冰箱侧栏的关闭按钮定位 */
    .sidebar-right .fridge-header {
        position: relative;
        padding-top: 42px; /* 留出顶部关闭按钮空间 */
    }
    
    .sidebar-right .fridge-header .mobile-close-btn {
        position: absolute;
        right: 0;
        top: 4px;
        display: flex;
    }
    
    /* 6. 天气提示卷轴及聊天内边距移动端微调，防超宽溢出 */
    .context-bar.scroll-theme {
        padding: 0 12px;
        height: 54px;
    }
    
    .weather-message {
        font-size: 11.5px;
    }
    
    .weather-icon-badge {
        width: 26px;
        height: 26px;
    }
    
    .status-indicator {
        padding: 3px 8px;
        font-size: 10px;
    }
    
    .message-bubble {
        max-width: 92%;
    }
    
    .dialogue-container {
        padding: 16px 12px;
    }
    
    .chat-input-bar {
        padding: 12px;
    }
}