/* ==============================
   小谷 XiaoGu - 农事AI助手
   农业主题样式
   ============================== */

/* CSS Variables */
:root {
    --green: #2D8B4E;
    --green-light: #3DA95F;
    --green-dark: #1E6B35;
    --green-bg: #E8F5E9;
    --cream: #F5F0E1;
    --warm-white: #FFFDF7;
    --gold: #E8B44F;
    --gold-light: #F5D78A;
    --earth: #8B6914;
    --text: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --border: #E0D8C8;
    --white: #FFFFFF;
    --danger: #E74C3C;
    --danger-light: #FDEDEC;
    --blue: #3498DB;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --sidebar-w: 260px;
    --input-h: 60px;
    --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "SimHei", "Helvetica Neue", sans-serif;
    --transition: 0.2s ease;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
    font-family: var(--font);
    font-size: 15px;
    color: var(--text);
    background: var(--cream);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-light); }
img { max-width: 100%; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #aaa; }

/* ==================== Layout ==================== */

.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ==================== Sidebar ==================== */

.sidebar {
    width: var(--sidebar-w);
    background: var(--white);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 10;
}

.sidebar-header {
    padding: 20px 16px 12px;
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--green), var(--green-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    flex-shrink: 0;
}

.logo-text h1 {
    font-size: 20px;
    color: var(--green-dark);
    line-height: 1.2;
}

.logo-text span {
    font-size: 11px;
    color: var(--text-muted);
}

.btn-new-chat {
    width: 100%;
    padding: 10px 16px;
    background: var(--green);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background var(--transition);
}

.btn-new-chat:hover {
    background: var(--green-dark);
}

.sidebar-nav {
    padding: 8px;
    border-bottom: 1px solid var(--border);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    color: var(--text);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 14px;
    margin-bottom: 2px;
}

.nav-item:hover { background: var(--green-bg); color: var(--green-dark); }
.nav-item.active { background: var(--green-bg); color: var(--green); font-weight: 600; }

.nav-icon { font-size: 18px; width: 24px; text-align: center; }
.nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 11px;
    padding: 2px 7px;
    border-radius: 10px;
    display: none;
}

.conversation-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.conv-item {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    margin-bottom: 2px;
    font-size: 13px;
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.conv-item:hover { background: var(--cream); }
.conv-item.active { background: var(--green-bg); color: var(--green); }

.conv-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conv-delete {
    opacity: 0;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
    transition: all var(--transition);
    background: none;
    border: none;
}

.conv-item:hover .conv-delete { opacity: 1; }
.conv-delete:hover { color: var(--danger); background: var(--danger-light); }

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

.sidebar-footer span {
    display: block;
}

.privacy-data-button {
    width: 100%;
    margin-bottom: 6px;
    border: 0;
    background: transparent;
    color: var(--green);
    font-family: var(--font);
    font-size: 12px;
    cursor: pointer;
}

/* ==================== Main Content ==================== */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--warm-white);
}

/* ==================== Chat View ==================== */

.chat-view, .calendar-view, .price-view {
    display: none;
    flex-direction: column;
    height: 100%;
}

.chat-view.active, .calendar-view.active, .price-view.active {
    display: flex;
}

.chat-header {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--white);
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 50px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Message Bubbles */
.message {
    display: flex;
    gap: 10px;
    max-width: 80%;
    animation: msgIn 0.3s ease;
}

@keyframes msgIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

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

.msg-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    font-weight: bold;
}

.message.assistant .msg-avatar {
    background: linear-gradient(135deg, var(--green), var(--green-light));
    color: white;
}

.message.user .msg-avatar {
    background: var(--gold);
    color: white;
}

.msg-bubble {
    padding: 12px 16px;
    border-radius: var(--radius);
    line-height: 1.7;
    word-break: break-word;
}

.message.user .msg-bubble {
    background: var(--green-bg);
    border-bottom-right-radius: 4px;
}

.message.assistant .msg-bubble {
    background: var(--white);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
}

.msg-bubble p { margin: 4px 0; }
.msg-bubble p:first-child { margin-top: 0; }
.msg-bubble p:last-child { margin-bottom: 0; }
.msg-bubble ul, .msg-bubble ol { margin: 8px 0; padding-left: 20px; }
.msg-bubble li { margin: 4px 0; }
.msg-bubble table {
    border-collapse: collapse;
    margin: 8px 0;
    width: 100%;
    font-size: 13px;
}
.msg-bubble th, .msg-bubble td {
    border: 1px solid var(--border);
    padding: 6px 10px;
    text-align: left;
}
.msg-bubble th {
    background: var(--green-bg);
    font-weight: 600;
}
.msg-bubble strong { color: var(--green-dark); }
.msg-bubble h1, .msg-bubble h2, .msg-bubble h3 {
    color: var(--green-dark);
    margin: 10px 0 6px;
    font-size: 16px;
}
.msg-bubble code {
    background: var(--cream);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}
.msg-bubble pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 12px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    font-size: 13px;
    margin: 8px 0;
}
.msg-bubble pre code { background: none; padding: 0; color: inherit; }
.msg-bubble blockquote {
    border-left: 3px solid var(--green);
    padding-left: 12px;
    margin: 8px 0;
    color: var(--text-light);
}

.msg-image {
    max-width: 200px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

/* Streaming cursor */
.streaming-cursor::after {
    content: '▋';
    animation: blink 1s infinite;
    color: var(--green);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-8px); opacity: 1; }
}

/* Welcome message */
.welcome-msg {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.welcome-msg .welcome-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.welcome-msg h2 {
    font-size: 24px;
    color: var(--text);
    margin-bottom: 8px;
}

.welcome-msg p {
    font-size: 14px;
    max-width: 400px;
    margin: 0 auto 24px;
}

.welcome-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    max-width: 480px;
    margin: 0 auto;
}

.suggestion-chip {
    padding: 8px 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    transition: all var(--transition);
    color: var(--text);
}

.suggestion-chip:hover {
    border-color: var(--green);
    color: var(--green);
    background: var(--green-bg);
}

/* ==================== Chat Input ==================== */

.chat-input-area {
    padding: 12px 20px 16px;
    background: var(--white);
    border-top: 1px solid var(--border);
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    background: var(--cream);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 12px;
    transition: border-color var(--transition);
}

.input-wrapper:focus-within {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(45,139,78,0.1);
}

.input-actions {
    display: flex;
    gap: 4px;
    align-items: center;
}

.btn-icon {
    width: 36px;
    height: 36px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 50%;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: all var(--transition);
    flex-shrink: 0;
}

.btn-icon:hover {
    background: var(--green-bg);
    color: var(--green);
}

#chatInput {
    flex: 1;
    border: none;
    background: none;
    resize: none;
    font-size: 14px;
    font-family: var(--font);
    line-height: 1.5;
    max-height: 120px;
    outline: none;
    padding: 6px 4px;
    color: var(--text);
}

#chatInput::placeholder { color: var(--text-muted); }

.btn-send {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--green);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
}

.btn-send:hover { background: var(--green-dark); transform: scale(1.05); }
.btn-send:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.image-preview {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    margin-bottom: 8px;
    background: var(--green-bg);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.image-preview img {
    height: 40px;
    border-radius: 4px;
}

.image-preview .remove-image {
    cursor: pointer;
    color: var(--danger);
    font-weight: bold;
    margin-left: auto;
    background: none;
    border: none;
    font-size: 16px;
}

/* ==================== Calendar View ==================== */

.calendar-view {
    padding: 20px;
}

.calendar-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.calendar-toolbar h3 { font-size: 18px; color: var(--text); }

.calendar-nav { display: flex; align-items: center; gap: 12px; }

.calendar-nav button {
    padding: 6px 12px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: 14px;
}

.calendar-nav button:hover { background: var(--green-bg); border-color: var(--green); }

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.calendar-day-header {
    padding: 10px;
    background: var(--green);
    color: white;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
}

.calendar-day {
    background: var(--white);
    min-height: 80px;
    padding: 6px 8px;
    cursor: pointer;
    transition: background var(--transition);
}

.calendar-day:hover { background: var(--cream); }
.calendar-day.today { background: var(--green-bg); }
.calendar-day.other-month { color: var(--text-muted); }

.calendar-day .day-num {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
}

.calendar-day .day-event {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
}

.day-event.planting { background: #E8F5E9; color: #2D8B4E; }
.day-event.fertilizing { background: #FFF3E0; color: #E67E22; }
.day-event.harvest { background: #FFF9C4; color: #F9A825; }
.day-event.pest_control { background: #FFEBEE; color: #C62828; }
.day-event.irrigation { background: #E3F2FD; color: #1565C0; }
.day-event.general { background: #F3E5F5; color: #6A1B9A; }

/* Event list panel */
.event-panel {
    margin-top: 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}

.event-panel h4 {
    font-size: 15px;
    margin-bottom: 12px;
    color: var(--text);
}

.event-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.event-item:last-child { border-bottom: none; }

.event-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.event-info { flex: 1; }
.event-info .event-title { font-size: 14px; font-weight: 600; }
.event-info .event-meta { font-size: 12px; color: var(--text-muted); }

.btn-add-event, .btn-generate-plan {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
    border: none;
    margin-right: 8px;
}

.btn-add-event {
    background: var(--green);
    color: white;
}

.btn-generate-plan {
    background: var(--gold);
    color: var(--text);
}

.btn-add-event:hover { background: var(--green-dark); }
.btn-generate-plan:hover { background: var(--gold-light); }

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    width: 440px;
    max-width: 90vw;
    box-shadow: var(--shadow-lg);
}

.modal h3 { margin-bottom: 16px; color: var(--text); }

.modal .form-group {
    margin-bottom: 12px;
}

.modal label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-light);
}

.modal input, .modal select, .modal textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: 14px;
    font-family: var(--font);
}

.modal textarea { min-height: 60px; resize: vertical; }

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 16px;
}

.modal-actions button {
    padding: 8px 20px;
    border-radius: var(--radius-xs);
    font-size: 14px;
    cursor: pointer;
    border: none;
}

.btn-primary { background: var(--green); color: white; }
.btn-primary:hover { background: var(--green-dark); }
.btn-cancel { background: var(--cream); color: var(--text); }
.btn-cancel:hover { background: var(--border); }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #c0392b; }

/* Generate plan modal */
.plan-result {
    max-height: 300px;
    overflow-y: auto;
    background: var(--cream);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-top: 12px;
    font-size: 13px;
}

/* ==================== Price View ==================== */

.price-view {
    padding: 20px;
}

.price-search {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.price-search input {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: var(--font);
    outline: none;
}

.price-search input:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(45,139,78,0.1);
}

.price-search button {
    padding: 10px 24px;
    background: var(--green);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    cursor: pointer;
}

.price-search button:hover { background: var(--green-dark); }

.price-result {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    line-height: 1.7;
}

.price-result:empty { display: none; }

.price-history {
    margin-top: 20px;
}

.price-history h4 {
    font-size: 15px;
    margin-bottom: 10px;
}

.price-history-item {
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    cursor: pointer;
    font-size: 13px;
    transition: all var(--transition);
}

.price-history-item:hover {
    border-color: var(--green);
    background: var(--green-bg);
}

/* ==================== Empty State ==================== */

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.empty-state p { font-size: 14px; }

/* ==================== Error / Toast ==================== */

.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--danger);
    color: white;
    padding: 10px 24px;
    border-radius: 20px;
    font-size: 14px;
    z-index: 200;
    animation: toastIn 0.3s ease;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ==================== Responsive ==================== */

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        transition: left var(--transition);
        box-shadow: var(--shadow-lg);
        z-index: 60;
    }

    .sidebar.open { left: 0; }

    .mobile-menu-btn {
        display: block !important;
    }

    .mobile-bottom-nav {
        display: flex !important;
    }

    .main-content {
        padding-bottom: 60px;  /* 给底部导航留空间 */
    }

    .message { max-width: 95%; }

    .calendar-grid { font-size: 12px; }
    .calendar-day { min-height: 50px; }
    .calendar-day .day-event { display: none; }

    .modal { width: 95vw; }

    .pest-diagnosis-section {
        padding: 0 8px 10px;
        max-height: 45vh;
    }

    .pest-card {
        padding: 10px 12px;
        margin-top: 8px;
    }

    .pest-card-header {
        font-size: 14px;
    }

    .pest-card-desc {
        font-size: 11px;
        margin-bottom: 8px;
    }

    .pest-mode-tab {
        padding: 6px 8px;
        font-size: 12px;
    }

    .pest-upload-zone {
        padding: 16px 12px;
    }

    .pest-upload-icon {
        font-size: 28px;
    }

    .pest-upload-text {
        font-size: 13px;
    }

    .pest-text-input {
        min-height: 60px;
        font-size: 13px;
    }

    .pest-diagnose-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .pest-result-body {
        max-height: 200px;
        font-size: 12px;
        padding: 10px;
    }

    .pest-result-header {
        font-size: 13px;
        padding: 8px 12px;
    }

    .chat-input-area {
        padding: 6px 10px 10px;
    }

    .chat-header {
        padding: 8px 12px;
        font-size: 13px;
        min-height: auto;
    }

    .chat-messages {
        padding: 10px 12px;
        gap: 10px;
    }

    .welcome-msg {
        padding: 24px 12px;
    }

    .welcome-msg .welcome-icon {
        font-size: 40px;
        margin-bottom: 8px;
    }

    .welcome-msg h2 {
        font-size: 18px;
        margin-bottom: 4px;
    }

    .welcome-msg p {
        font-size: 13px;
        margin-bottom: 16px;
    }

    .welcome-suggestions {
        gap: 6px;
    }

    .suggestion-chip {
        padding: 6px 12px;
        font-size: 12px;
    }

    .input-wrapper {
        padding: 6px 8px;
        gap: 6px;
    }

    #chatInput {
        font-size: 14px;
    }

    .btn-send {
        width: 34px;
        height: 34px;
        font-size: 16px;
    }

    .btn-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .qr-modal {
        width: 95vw;
    }
}

.mobile-menu-btn {
    display: none;
    padding: 8px 14px;
    background: var(--green);
    color: white;
    border: none;
    font-size: 15px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    margin: 8px 12px;
    font-family: var(--font);
}

/* ==================== Mobile Bottom Nav ==================== */

.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--white);
    border-top: 1px solid var(--border);
    z-index: 50;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.mobile-bottom-nav .mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    cursor: pointer;
    color: var(--text-muted);
    transition: color var(--transition);
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.mobile-bottom-nav .mobile-nav-item:active {
    background: var(--green-bg);
}

.mobile-bottom-nav .mobile-nav-item.active {
    color: var(--green);
}

.mobile-nav-icon {
    font-size: 20px;
    line-height: 1;
}

.mobile-nav-label {
    font-size: 10px;
    font-weight: 500;
}

/* ==================== Pest Diagnosis Section ==================== */

.pest-diagnosis-section {
    padding: 0 20px 20px;
    background: var(--warm-white);
    border-top: 1px solid var(--border);
    max-height: 45vh;
    overflow-y: auto;
}

.pest-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-top: 12px;
}

.pest-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--green-dark);
    margin-bottom: 4px;
}

.pest-badge {
    display: inline-block;
    background: linear-gradient(135deg, #FF6B6B, #FF4757);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

.pest-card-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 14px;
}

/* Mode Tabs */
.pest-mode-tabs {
    display: flex;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    overflow: hidden;
    margin-bottom: 12px;
}

.pest-mode-tab {
    flex: 1;
    padding: 8px 12px;
    border: none;
    background: var(--white);
    cursor: pointer;
    font-size: 13px;
    font-family: var(--font);
    color: var(--text-light);
    transition: all var(--transition);
}

.pest-mode-tab + .pest-mode-tab {
    border-left: 1px solid var(--border);
}

.pest-mode-tab:hover {
    background: var(--green-bg);
    color: var(--green);
}

.pest-mode-tab.active {
    background: var(--green);
    color: white;
    font-weight: 600;
}

/* Mode Panel */
.pest-mode-panel {
    display: none;
}

.pest-mode-panel.active {
    display: block;
}

/* Upload Zone */
.pest-upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 24px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--warm-white);
}

.pest-upload-zone:hover,
.pest-upload-zone.drag-over {
    border-color: var(--green);
    background: var(--green-bg);
}

.pest-upload-icon {
    font-size: 36px;
    margin-bottom: 8px;
}

.pest-upload-text {
    font-size: 14px;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 4px;
}

.pest-upload-hint {
    font-size: 11px;
    color: var(--text-muted);
}

/* Image Preview in pest card */
.pest-image-preview {
    margin-top: 10px;
    text-align: center;
}

.pest-image-preview img {
    max-width: 100%;
    max-height: 180px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.pest-image-preview .remove-image {
    display: inline-block;
    margin-top: 6px;
    cursor: pointer;
    color: var(--danger);
    font-size: 13px;
    background: none;
    border: none;
}

.pest-image-info {
    margin-top: 6px;
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
}

/* Text Input */
.pest-text-input {
    width: 100%;
    min-height: 80px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: var(--font);
    resize: vertical;
    outline: none;
    color: var(--text);
    background: var(--warm-white);
}

.pest-text-input:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(45,139,78,0.1);
}

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

/* Diagnose Button */
.pest-diagnose-btn {
    display: block;
    width: 100%;
    margin-top: 10px;
    padding: 10px 20px;
    background: var(--green);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: all var(--transition);
}

.pest-diagnose-btn:hover {
    background: var(--green-dark);
}

.pest-diagnose-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* Result Card */
.pest-result-card {
    margin-top: 12px;
    background: var(--white);
    border: 2px solid var(--green);
    border-radius: var(--radius);
    overflow: hidden;
    animation: msgIn 0.3s ease;
}

.pest-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--green-bg);
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    font-size: 15px;
    color: var(--green-dark);
    flex-wrap: wrap;
    gap: 8px;
}

.pest-result-actions {
    display: flex;
    gap: 6px;
}

.pest-result-btn {
    padding: 5px 12px;
    border: 1px solid var(--green);
    background: var(--white);
    color: var(--green);
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: 12px;
    font-family: var(--font);
    transition: all var(--transition);
}

.pest-result-btn:hover {
    background: var(--green);
    color: white;
}

.pest-result-body {
    padding: 16px;
    font-size: 13px;
    line-height: 1.7;
    max-height: 350px;
    overflow-y: auto;
}

.pest-result-body h3,
.pest-result-body h4 {
    color: var(--green-dark);
    margin: 10px 0 6px;
    font-size: 14px;
}

.pest-result-body ul,
.pest-result-body ol {
    margin: 6px 0;
    padding-left: 20px;
}

.pest-result-body li {
    margin: 3px 0;
}

.pest-result-body strong {
    color: var(--green-dark);
}

.pest-result-body .streaming-cursor::after {
    content: '▋';
    animation: blink 1s infinite;
    color: var(--green);
}

/* QR Code Modal */
.qr-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.qr-modal {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    width: 340px;
    max-width: 90vw;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.qr-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
}

.qr-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-muted);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.qr-modal-close:hover {
    background: var(--cream);
    color: var(--text);
}

.qr-code-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.qr-code-container canvas {
    width: 200px;
    height: 200px;
}

.qr-modal-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.qr-modal-url {
    font-size: 11px;
    color: var(--green);
    word-break: break-all;
}

.hidden { display: none !important; }

/* Icon placeholder styles */
[class^="icon-"] {
    display: inline-block;
    line-height: 1;
}

/* ==================== Weather, Sharing & Human Support ==================== */

.chat-header {
    justify-content: space-between;
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-header-actions button {
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--text-light);
    border-radius: 999px;
    padding: 5px 12px;
    font-family: var(--font);
    font-size: 12px;
    cursor: pointer;
}

.chat-header-actions .customer-service-btn {
    border-color: var(--green);
    background: var(--green);
    color: var(--white);
}

.weather-panel {
    background: linear-gradient(135deg, #f2faf3 0%, #fff9e9 100%);
    border-bottom: 1px solid var(--border);
    padding: 10px 20px;
}

.weather-current {
    display: grid;
    grid-template-columns: minmax(130px, 1fr) auto minmax(180px, auto);
    align-items: center;
    gap: 16px;
}

.weather-location {
    color: var(--green-dark);
    font-size: 12px;
    font-weight: 600;
}

.weather-condition {
    color: var(--text);
    font-size: 14px;
}

.weather-temperature {
    color: var(--green-dark);
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
}

.weather-details {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    color: var(--text-light);
    font-size: 12px;
}

.weather-forecast {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.weather-day {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 4px 9px;
    background: rgba(255, 255, 255, 0.76);
    border-radius: 999px;
    color: var(--text-light);
    font-size: 11px;
}

.weather-day strong {
    color: var(--text);
}

.weather-attribution {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 9px;
    text-align: right;
}

.weather-empty,
.weather-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 32px;
    color: var(--text-light);
    font-size: 12px;
}

.weather-empty button {
    border: 0;
    background: transparent;
    color: var(--green);
    cursor: pointer;
}

.escalation-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 10px 20px 0;
    padding: 10px 12px;
    border: 1px solid #efca76;
    background: #fff8df;
    border-radius: var(--radius-sm);
    color: #6c5315;
    font-size: 12px;
}

.escalation-banner div {
    display: flex;
    flex-direction: column;
}

.escalation-banner button {
    flex-shrink: 0;
    border: 0;
    border-radius: 999px;
    padding: 7px 13px;
    background: var(--green);
    color: var(--white);
    cursor: pointer;
}

.ai-safety-note {
    margin-top: 7px;
    color: var(--text-muted);
    font-size: 10px;
    text-align: center;
}

.ai-status {
    color: var(--green-dark);
    font-size: 12px;
}

.message-support-action {
    display: block;
    margin-top: 8px;
    border: 0;
    border-top: 1px solid rgba(45, 139, 78, 0.16);
    background: transparent;
    color: var(--green);
    padding-top: 7px;
    font-family: var(--font);
    font-size: 11px;
    cursor: pointer;
}

.floating-customer-service {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 70;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 0;
    border-radius: 999px;
    padding: 10px 15px;
    background: var(--green);
    color: var(--white);
    box-shadow: 0 6px 18px rgba(30, 107, 53, 0.28);
    font-family: var(--font);
    cursor: pointer;
}

.support-modal {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    background: rgba(22, 34, 25, 0.55);
}

.support-dialog {
    width: min(460px, 100%);
    overflow: hidden;
    border-radius: 16px;
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.support-dialog-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px 14px;
    border-bottom: 1px solid var(--border);
}

.support-dialog-header h3 {
    color: var(--green-dark);
    font-size: 17px;
}

.support-dialog-header p {
    margin-top: 2px;
    color: var(--text-muted);
    font-size: 12px;
}

.support-close {
    width: 32px;
    height: 32px;
    border: 0;
    border-radius: 50%;
    background: var(--cream);
    color: var(--text-light);
    font-size: 22px;
    cursor: pointer;
}

.support-dialog-body {
    padding: 18px 20px;
    color: var(--text-light);
    font-size: 13px;
}

.support-privacy-note {
    margin-top: 8px;
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    background: var(--green-bg);
    color: var(--green-dark);
    font-size: 12px;
}

.support-consent {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 14px;
    color: var(--text);
    cursor: pointer;
}

.support-consent input {
    margin-top: 4px;
    accent-color: var(--green);
}

.support-hours {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 14px;
    color: var(--text-muted);
    font-size: 11px;
}

.support-dialog-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 20px 18px;
    border-top: 1px solid var(--border);
}

.support-dialog-footer button {
    border-radius: var(--radius-sm);
    padding: 9px 14px;
    font-family: var(--font);
    cursor: pointer;
}

.support-secondary {
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--text-light);
}

.support-primary {
    border: 1px solid var(--green);
    background: var(--green);
    color: var(--white);
}

.account-link-button {
    width: 100%;
    border: 1px solid var(--green);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    background: var(--white);
    color: var(--green);
    font-family: var(--font);
    cursor: pointer;
}

.account-delete-zone {
    margin-top: 18px;
    padding: 14px;
    border: 1px solid #efc8c4;
    border-radius: var(--radius-sm);
    background: #fff8f7;
}

.account-delete-zone strong {
    color: #a93d34;
}

.account-delete-zone p {
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 12px;
}

.account-delete-button {
    width: 100%;
    margin-top: 12px;
    border: 1px solid var(--danger);
    border-radius: var(--radius-sm);
    padding: 9px 12px;
    background: var(--white);
    color: var(--danger);
    font-family: var(--font);
    cursor: pointer;
}

@media (max-width: 768px) {
    .chat-header-actions button {
        padding: 4px 9px;
        font-size: 11px;
    }

    .weather-panel {
        padding: 8px 12px;
    }

    .weather-current {
        grid-template-columns: minmax(100px, 1fr) auto;
        gap: 8px;
    }

    .weather-temperature {
        font-size: 27px;
    }

    .weather-details {
        grid-column: 1 / -1;
        justify-content: flex-start;
        gap: 10px;
    }

    .weather-forecast {
        overflow-x: auto;
        padding-bottom: 2px;
    }

    .weather-day {
        flex-shrink: 0;
    }

    .escalation-banner {
        margin: 7px 10px 0;
    }

    .floating-customer-service {
        right: 12px;
        bottom: calc(66px + env(safe-area-inset-bottom, 0px));
        padding: 9px 12px;
        font-size: 12px;
    }

    .support-modal {
        align-items: flex-end;
        padding: 0;
    }

    .support-dialog {
        width: 100%;
        border-radius: 18px 18px 0 0;
        padding-bottom: env(safe-area-inset-bottom, 0);
    }

    .support-hours {
        flex-direction: column;
    }
}