/* ============================================================
   PhotonEdge AI Chatbot Styles
   Blue theme (#3b82f6) matching site design
   ============================================================ */

/* ===== Container ===== */
.pe-chatbot-container {
    position: fixed;
    bottom: 0;
    right: 0;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

/* ===== Floating Ball ===== */
.pe-chatbot-ball {
    position: fixed;
    bottom: 110px;
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
    z-index: 10000;
}

.pe-chatbot-ball:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(59, 130, 246, 0.5);
}

.pe-chatbot-ball-icon {
    font-size: 28px;
    line-height: 1;
}

.pe-chatbot-ball-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #ef4444;
    color: white;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
    animation: pe-chatbot-badge-pulse 2s ease-in-out infinite;
}

@keyframes pe-chatbot-badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* ===== Floating Message Bubble ===== */
.pe-chatbot-bubble {
    position: fixed;
    bottom: 185px;
    right: 24px;
    max-width: 280px;
    background: white;
    border-radius: 16px;
    border-bottom-right-radius: 4px;
    padding: 12px 36px 12px 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    animation: pe-chatbot-bubble-in 0.3s ease;
    z-index: 9999;
}

@keyframes pe-chatbot-bubble-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pe-chatbot-bubble-text {
    font-size: 14px;
    color: #374151;
    line-height: 1.5;
}

.pe-chatbot-bubble-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    border: none;
    background: none;
    color: #9ca3af;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    padding: 0;
}

.pe-chatbot-bubble-close:hover {
    color: #6b7280;
    background: #f3f4f6;
}

/* ===== Exit Intent Overlay ===== */
.pe-chatbot-exit {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    animation: pe-chatbot-fade-in 0.3s ease;
}

@keyframes pe-chatbot-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.pe-chatbot-exit-content {
    background: white;
    border-radius: 20px;
    padding: 40px;
    max-width: 480px;
    width: 90%;
    text-align: center;
    position: relative;
    animation: pe-chatbot-scale-in 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

@keyframes pe-chatbot-scale-in {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.pe-chatbot-exit-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: #f3f4f6;
    border-radius: 50%;
    font-size: 20px;
    color: #6b7280;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pe-chatbot-exit-close:hover {
    background: #e5e7eb;
    color: #374151;
}

.pe-chatbot-exit-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.pe-chatbot-exit-content h3 {
    font-size: 22px;
    color: #111827;
    margin: 0 0 12px;
    font-weight: 700;
}

.pe-chatbot-exit-content p {
    font-size: 15px;
    color: #6b7280;
    margin: 0 0 24px;
    line-height: 1.6;
}

.pe-chatbot-exit-btn {
    display: inline-block;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 12px;
}

.pe-chatbot-exit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
}

.pe-chatbot-exit-dismiss {
    display: block;
    background: none;
    border: none;
    color: #9ca3af;
    font-size: 14px;
    cursor: pointer;
    padding: 8px;
}

.pe-chatbot-exit-dismiss:hover {
    color: #6b7280;
}

/* ===== Chat Window ===== */
.pe-chatbot-window {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 380px;
    height: 560px;
    max-height: calc(100vh - 48px);
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: pe-chatbot-window-in 0.3s ease;
    z-index: 10000;
}

@keyframes pe-chatbot-window-in {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ===== Chat Header ===== */
.pe-chatbot-header {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.pe-chatbot-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pe-chatbot-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.pe-chatbot-name {
    font-size: 15px;
    font-weight: 600;
}

.pe-chatbot-status {
    font-size: 12px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 4px;
}

.pe-chatbot-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    display: inline-block;
}

.pe-chatbot-close {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.pe-chatbot-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ===== Messages Area ===== */
.pe-chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: #f8fafc;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pe-chatbot-messages::-webkit-scrollbar {
    width: 4px;
}

.pe-chatbot-messages::-webkit-scrollbar-track {
    background: transparent;
}

.pe-chatbot-messages::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}

.pe-chatbot-msg {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
    animation: pe-chatbot-msg-in 0.2s ease;
}

@keyframes pe-chatbot-msg-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.pe-chatbot-msg-bot {
    align-self: flex-start;
    background: white;
    color: #374151;
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.pe-chatbot-msg-user {
    align-self: flex-end;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-bottom-right-radius: 4px;
}

/* ===== Typing Indicator ===== */
.pe-chatbot-typing {
    display: flex;
    gap: 4px;
    padding: 12px 16px !important;
    align-items: center;
}

.pe-chatbot-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #9ca3af;
    animation: pe-chatbot-dot-bounce 1.4s ease-in-out infinite;
}

.pe-chatbot-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.pe-chatbot-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes pe-chatbot-dot-bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-6px); }
}

/* ===== Quick Replies ===== */
.pe-chatbot-quick-replies {
    padding: 8px 16px 4px;
    background: #f8fafc;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex-shrink: 0;
    max-height: 120px;
    overflow-y: auto;
}

.pe-chatbot-quick-replies:empty {
    display: none;
    padding: 0;
}

.pe-chatbot-quick-reply {
    background: white;
    border: 1.5px solid #3b82f6;
    color: #3b82f6;
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.pe-chatbot-quick-reply:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-1px);
}

/* ===== Input Area ===== */
.pe-chatbot-input-area {
    padding: 12px 16px;
    background: white;
    border-top: 1px solid #e5e7eb;
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.pe-chatbot-input {
    flex: 1;
    border: 1.5px solid #e5e7eb;
    border-radius: 24px;
    padding: 10px 16px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.pe-chatbot-input:focus {
    border-color: #3b82f6;
}

.pe-chatbot-send {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border: none;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
    flex-shrink: 0;
}

.pe-chatbot-send:hover {
    transform: scale(1.05);
}

/* ===== Product Recommendation Cards ===== */
.pe-chatbot-products {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
}

.pe-chatbot-product-card {
    background: #f0f7ff;
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    padding: 12px;
    transition: all 0.2s;
}

.pe-chatbot-product-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
}

.pe-chatbot-product-name {
    font-size: 14px;
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 4px;
}

.pe-chatbot-product-category {
    font-size: 12px;
    color: #6b7280;
    margin-bottom: 8px;
}

.pe-chatbot-product-link {
    font-size: 13px;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
}

.pe-chatbot-product-link:hover {
    text-decoration: underline;
}

/* ===== Lead Form ===== */
.pe-chatbot-lead-form {
    background: #f0f7ff;
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    padding: 16px;
    margin-top: 8px;
}

.pe-chatbot-lead-form-title {
    font-size: 15px;
    font-weight: 700;
    color: #1e40af;
    margin-bottom: 4px;
}

.pe-chatbot-lead-form-subtitle {
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 12px;
}

.pe-chatbot-form-group {
    margin-bottom: 10px;
}

.pe-chatbot-form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 4px;
}

.pe-chatbot-form-input {
    width: 100%;
    border: 1.5px solid #d1d5db;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
    font-family: inherit;
    resize: vertical;
}

.pe-chatbot-form-input:focus {
    border-color: #3b82f6;
}

.pe-chatbot-form-submit {
    width: 100%;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 4px;
}

.pe-chatbot-form-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* ===== Responsive ===== */
@media (max-width: 480px) {
    .pe-chatbot-window {
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .pe-chatbot-ball {
        bottom: 16px;
        right: 16px;
        width: 52px;
        height: 52px;
    }
    
    .pe-chatbot-ball-icon {
        font-size: 24px;
    }
    
    .pe-chatbot-bubble {
        bottom: 165px;
        right: 16px;
        left: 16px;
        max-width: none;
    }
    
    .pe-chatbot-exit-content {
        padding: 24px;
        margin: 16px;
    }
}

/* ===== AI Selector Section (from V52) ===== */
.ai-selector-section {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    padding: 60px 0;
}

.ai-selector-header {
    text-align: center;
    margin-bottom: 32px;
}

.ai-selector-badge {
    display: inline-block;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.ai-selector-header h2 {
    font-size: 28px;
    color: #1e293b;
    margin: 8px 0;
    font-weight: 700;
}

.ai-selector-header p {
    font-size: 16px;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

.ai-selector-box {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    max-width: 800px;
    margin: 0 auto;
}

.ai-selector-step {
    display: none;
}

.ai-selector-step.active {
    display: block;
}

.ai-selector-step h3 {
    font-size: 18px;
    color: #1e293b;
    margin-bottom: 20px;
    font-weight: 600;
}

.ai-selector-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.ai-selector-option {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ai-selector-option:hover {
    border-color: #3b82f6;
    background: #eff6ff;
    transform: translateY(-2px);
}

.ai-selector-option.selected {
    border-color: #3b82f6;
    background: #eff6ff;
}

.ai-selector-option-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.ai-selector-option-label {
    font-size: 14px;
    color: #374151;
    font-weight: 500;
}

.ai-selector-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 24px;
    gap: 12px;
}

.ai-selector-nav-btn {
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.ai-selector-nav-btn.primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.ai-selector-nav-btn.primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.ai-selector-nav-btn.secondary {
    background: #f1f5f9;
    color: #475569;
}

.ai-selector-nav-btn.secondary:hover {
    background: #e2e8f0;
}

.ai-selector-result {
    text-align: center;
    padding: 20px;
}

.ai-selector-result h3 {
    font-size: 20px;
    color: #1e293b;
    margin-bottom: 16px;
}

.ai-selector-result-products {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin: 20px 0;
}

.ai-selector-result-product {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px;
    text-align: left;
}

.ai-selector-result-product h4 {
    font-size: 14px;
    color: #1e40af;
    margin-bottom: 4px;
}

.ai-selector-result-product p {
    font-size: 13px;
    color: #64748b;
}

.ai-selector-result-cta {
    margin-top: 24px;
}

.ai-selector-result-cta a {
    display: inline-block;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    padding: 12px 28px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
}

.ai-selector-result-cta a:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* ===== AI Selector Option Cards (Fix for non-clickable options) ===== */
.ai-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
    margin: 24px 0;
    padding: 0;
}

.ai-wavelength-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

.ai-component-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

.ai-option-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 12px;
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
    min-height: 100px;
    -webkit-user-select: none;
    user-select: none;
}

.ai-option-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

.ai-option-card.selected {
    border-color: #3b82f6;
    background: #eff6ff;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.2);
}

.ai-option-icon {
    font-size: 28px;
    margin-bottom: 8px;
    line-height: 1;
}

.ai-option-label {
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    line-height: 1.3;
}

.ai-step-title {
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 8px 0;
}

.ai-step-desc {
    font-size: 14px;
    color: #64748b;
    margin: 0 0 16px 0;
    line-height: 1.5;
}

.ai-nav {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid #e2e8f0;
}

.ai-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.ai-btn:disabled,
.ai-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.ai-btn-back {
    background: #f1f5f9;
    color: #475569;
}

.ai-btn-back:hover {
    background: #e2e8f0;
}

.ai-btn-next {
    background: #3b82f6;
    color: #ffffff;
}

.ai-btn-next:hover:not(:disabled) {
    background: #2563eb;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.ai-btn-recommend {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: #ffffff;
    padding: 12px 32px;
    font-size: 15px;
}

.ai-btn-recommend:hover {
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
    transform: translateY(-1px);
}

.ai-btn-primary {
    background: #3b82f6;
    color: #ffffff;
}

.ai-btn-primary:hover {
    background: #2563eb;
}

.ai-btn-outline {
    background: transparent;
    color: #3b82f6;
    border: 1.5px solid #3b82f6;
}

.ai-btn-outline:hover {
    background: #eff6ff;
}

/* ===== Enterprise Vision Section ===== */
.vision-content {
    max-width: 800px;
    margin: 0 auto 40px;
    padding: 0 20px;
}

.vision-text {
    font-size: 16px;
    line-height: 1.8;
    color: #475569;
    text-align: center;
    font-style: italic;
    padding: 24px 32px;
    background: linear-gradient(135deg, #f0f7ff, #faf5ff);
    border-radius: 12px;
    border-left: 4px solid #3b82f6;
}

/* ===== AI Result Cards ===== */
.ai-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.ai-result-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.ai-result-card:hover {
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.12);
    border-color: #3b82f6;
    transform: translateY(-2px);
}

.ai-result-rank {
    position: absolute;
    top: 12px;
    left: 16px;
    font-size: 13px;
    font-weight: 700;
    color: #64748b;
}

.ai-result-match {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 13px;
    font-weight: 600;
    color: #16a34a;
    background: #f0fdf4;
    padding: 2px 8px;
    border-radius: 12px;
}

.ai-result-img-wrap {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 8px;
    margin-top: 28px;
    margin-bottom: 16px;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-result-img-wrap img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.ai-result-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.ai-result-category {
    font-size: 12px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.ai-result-name {
    font-size: 17px;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
    line-height: 1.3;
}

.ai-result-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    margin: 4px 0;
}

.ai-result-reasons {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ai-result-reason {
    font-size: 13px;
    color: #1e293b;
    line-height: 1.5;
}

.ai-result-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid #f1f5f9;
}

.ai-result-actions .ai-btn {
    flex: 1;
    text-align: center;
    padding: 10px 16px;
    font-size: 14px;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
}

.ai-no-results {
    text-align: center;
    padding: 40px 20px;
    color: #64748b;
}

.ai-no-results p {
    font-size: 16px;
    margin-bottom: 20px;
}

.ai-results-summary {
    font-size: 14px;
    color: #64748b;
    padding: 10px 0;
    margin-bottom: 8px;
}

/* ===== AI Selector Mobile Responsive ===== */
@media (max-width: 768px) {
    .ai-selector-section {
        padding: 40px 0;
    }
    .ai-selector-header h2 {
        font-size: 22px;
    }
    .ai-selector-header p {
        font-size: 14px;
    }
    .ai-selector-box {
        padding: 20px 16px;
        border-radius: 12px;
    }
    .ai-options-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: 10px;
        margin: 16px 0;
    }
    .ai-wavelength-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    }
    .ai-component-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    .ai-option-card {
        padding: 14px 8px;
        min-height: 80px;
        border-radius: 10px;
    }
    .ai-option-icon {
        font-size: 24px;
        margin-bottom: 6px;
    }
    .ai-option-label {
        font-size: 12px;
    }
    .ai-step-title {
        font-size: 17px;
    }
    .ai-step-desc {
        font-size: 13px;
    }
    .ai-nav {
        flex-direction: column;
        gap: 8px;
    }
    .ai-btn {
        width: 100%;
        padding: 12px 16px;
        font-size: 14px;
    }
    .ai-result-card {
        padding: 12px;
    }
    .ai-result-header {
        flex-direction: column;
        gap: 8px;
    }
    .ai-results-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .ai-result-img-wrap {
        height: 160px;
    }
    .vision-text {
        font-size: 14px;
        padding: 16px 20px;
    }
}

@media (max-width: 480px) {
    .ai-options-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .ai-wavelength-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ai-component-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ai-option-card {
        padding: 12px 6px;
        min-height: 70px;
    }
    .ai-option-icon {
        font-size: 20px;
        margin-bottom: 4px;
    }
    .ai-option-label {
        font-size: 11px;
    }
    .ai-step-title {
        font-size: 15px;
    }
    .ai-selector-box {
        padding: 16px 12px;
    }
    .ai-selector-header h2 {
        font-size: 20px;
    }
    .ai-result-img-wrap {
        height: 140px;
    }
    .ai-result-name {
        font-size: 15px;
    }
    .ai-result-actions {
        flex-direction: column;
        gap: 8px;
    }
}