@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@400;500;600&family=Inter:wght@400;500;600&display=swap");
:root{--qe-primary:#004aad;--qe-primary-light:#1d4ed8;--qe-accent:#003882;--qe-surface-solid:#ffffff;--qe-bg-soft:#f8fafc;--qe-text:#0f172a;--qe-text-soft:#475569;--qe-border:#e2e8f0;--qe-shadow-sm:0 1px 2px 0 rgba(0, 0, 0, 0.05);--qe-shadow-md:0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.07);--qe-shadow-lg:0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 12px -4px rgba(0, 0, 0, 0.08);--qe-radius:16px;}
.chat-widget, .chat-widget *{box-sizing:border-box;font-family:'IBM Plex Sans Thai', 'Inter', system-ui, -apple-system, sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}
.chat-widget button i{margin:0 !important;padding:0 !important;line-height:1 !important;display:inline-flex !important;align-items:center !important;justify-content:center !important;}
.chat-widget .clear-button i, .chat-widget .close-button i{margin:0 !important;padding:0 !important;display:block !important;width:28px !important;height:28px !important;line-height:28px !important;text-align:center !important;}
.chat-widget{position:fixed;right:16px;bottom:16px;z-index:999;opacity:0;visibility:hidden;transform:translateY(20px);pointer-events:none;transition:opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.5s;}
.chat-widget.qe-visible{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;}
.chat-tooltip{position:absolute;right:68px;bottom:8px;background:var(--qe-surface-solid);color:var(--qe-text);padding:8px 16px;border-radius:8px;font-size:0.85rem;font-weight:500;box-shadow:var(--qe-shadow-md);white-space:nowrap;opacity:0;transform:translateX(8px);transition:all 0.25s ease-out;pointer-events:none;border:1px solid var(--qe-border);letter-spacing:-0.01em;}
.chat-tooltip::after{content:'';position:absolute;right:-5px;top:50%;transform:translateY(-50%);border-width:5px 0 5px 5px;border-style:solid;border-color:transparent transparent transparent var(--qe-surface-solid);}
.chat-tooltip.show{opacity:1;transform:translateX(0);}
.chat-bubble{width:54px;height:54px;border-radius:50%;border:none;background:var(--qe-primary);color:white;cursor:pointer;box-shadow:0 4px 14px rgba(0, 74, 173, 0.3);display:flex;align-items:center;justify-content:center;padding:0;position:relative;transition:all 0.25s ease-out;}
.chat-bubble:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0, 74, 173, 0.4);}
.chat-bubble .chat-online-dot{position:absolute;top:1px;right:1px;width:13px;height:13px;background-color:#10b981;border:2px solid var(--qe-surface-solid);border-radius:50%;box-shadow:0 0 0 2px rgba(16, 185, 129, 0.4);animation:qe-pulse-green 2s infinite;}
@keyframes qe-pulse-green {
0%{transform:scale(0.9);box-shadow:0 0 0 0 rgba(16, 185, 129, 0.5);}
70%{transform:scale(1);box-shadow:0 0 0 5px rgba(16, 185, 129, 0);}
100%{transform:scale(0.9);box-shadow:0 0 0 0 rgba(16, 185, 129, 0);}
}
.chat-bubble.hidden{transform:scale(0);opacity:0;pointer-events:none;}
.chat-panel{position:absolute;bottom:0;right:0;width:380px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100vh - 100px);background:var(--qe-surface-solid);border-radius:var(--qe-radius);box-shadow:var(--qe-shadow-lg);overflow:hidden;display:flex;flex-direction:column;visibility:hidden;opacity:0;transform:translateY(20px);transform-origin:bottom right;transition:all 0.25s ease-out;border:1px solid var(--qe-border);}
.chat-panel.open{visibility:visible;opacity:1;transform:translateY(0);}
.chat-header{padding:18px 20px;background:var(--qe-primary);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-shrink:0;position:relative;overflow:hidden;border-bottom:1px solid rgba(0, 0, 0, 0.05);}
.chat-header-info{display:flex;align-items:center;gap:10px;position:relative;z-index:1;}
.chat-header-avatar{width:38px;height:38px;border-radius:8px;background:rgba(255, 255, 255, 0.15);display:flex;align-items:center;justify-content:center;font-size:1.15rem;flex-shrink:0;border:1px solid rgba(255, 255, 255, 0.1);}
.chat-header-text strong{color:#ffffff;font-size:0.95rem;font-weight:600;display:block;letter-spacing:-0.01em;}
.chat-subtitle{margin-top:2px;color:rgba(255, 255, 255, 0.8);font-size:0.72rem;font-weight:400;display:flex;align-items:center;gap:5px;}
.chat-status-dot{width:6px;height:6px;background:#10B981;border-radius:50%;display:inline-block;}
.close-button{border:none;background:rgba(255, 255, 255, 0.1);color:rgba(255, 255, 255, 0.9);width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:0.8rem;transition:all 0.15s ease;flex-shrink:0;position:relative;z-index:1;padding:0 !important;}
.close-button:hover{background:rgba(255, 255, 255, 0.2);}
.chat-messages{padding:16px;display:flex;flex-direction:column;gap:12px;overflow-y:auto;flex:1;background:var(--qe-bg-soft);}
.chat-messages::-webkit-scrollbar{width:5px;}
.chat-messages::-webkit-scrollbar-track{background:transparent;}
.chat-messages::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:5px;}
.chat-messages::-webkit-scrollbar-thumb:hover{background:#94a3b8;}
.chat-messages{scrollbar-width:thin;scrollbar-color:#cbd5e1 transparent;}
.chat-message{max-width:85%;padding:10px 14px;border-radius:12px;line-height:1.65;white-space:normal;font-size:0.88rem;width:fit-content;word-break:normal;overflow-wrap:break-word;position:relative;animation:qe-msg-in 0.2s ease-out both;}
@keyframes qe-msg-in {
from{opacity:0;transform:translateY(8px);}
to{opacity:1;transform:translateY(0);}
}
.chat-message.user{margin-left:auto;background:var(--qe-primary);color:#ffffff;border-top-right-radius:4px;}
.chat-message.user a{color:#ffffff !important;text-decoration:underline !important;}
.chat-message.bot{background:var(--qe-surface-solid);color:var(--qe-text);border-top-left-radius:4px;border:1px solid var(--qe-border);}
.chat-message.bot a{color:var(--qe-primary) !important;font-weight:500;background:rgba(0, 74, 173, 0.04);padding:4px 10px;border-radius:6px;text-decoration:none !important;display:inline-flex;align-items:center;gap:4px;border:1px solid rgba(0, 74, 173, 0.08);transition:all 0.15s ease;margin:3px 0;}
.chat-message.bot a:hover{background:var(--qe-primary);color:white !important;border-color:var(--qe-primary);}
.chat-message.bot ul{margin:6px 0;padding-left:0;list-style:none;}
.chat-message.bot li{position:relative;padding-left:14px;margin-bottom:5px;}
.chat-message.bot li::before{content:"•";color:var(--qe-primary);font-weight:bold;position:absolute;left:2px;top:0;}
.typing-indicator{display:flex;align-items:center;height:calc(0.875rem * 1.5);gap:4px;padding:0 2px;}
.typing-indicator span{width:6px;height:6px;background:var(--qe-primary);border-radius:50%;animation:qe-typing 1.4s infinite ease-in-out both;}
.typing-indicator span:nth-child(1){animation-delay:-0.32s;}
.typing-indicator span:nth-child(2){animation-delay:-0.16s;}
@keyframes qe-typing {
0%, 80%, 100%{transform:scale(0.4);opacity:0.2;}
40%{transform:scale(1);opacity:0.7;}
} .chat-form{padding:12px 16px;display:flex;align-items:center;gap:8px;border-top:1px solid var(--qe-border);background:var(--qe-surface-solid);flex-shrink:0;}
.chat-form input{flex:1;min-width:0;border:1px solid #cbd5e1;border-radius:8px;padding:10px 14px;font-size:0.88rem;outline:none;background:var(--qe-surface-solid);color:var(--qe-text);transition:all 0.15s ease;}
.chat-form input::placeholder{color:#94a3b8;}
.chat-form input:focus{border-color:var(--qe-primary);box-shadow:0 0 0 2px rgba(0, 74, 173, 0.15);}
.chat-form button{border:none;background:var(--qe-primary);color:white;cursor:pointer;width:38px;height:38px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 !important;flex-shrink:0;transition:all 0.15s ease;}
.chat-widget .chat-form button i{margin:0 !important;padding:0 !important;display:block !important;width:38px !important;height:38px !important;line-height:38px !important;text-align:center !important;}
.chat-form button:hover:not(:disabled){background:var(--qe-accent);}
.chat-form button:active:not(:disabled){transform:scale(0.96);}
.chat-form button:disabled{background:#cbd5e1;color:#f1f5f9;cursor:not-allowed;}
@media(max-width:640px){
.chat-widget{right:10px;bottom:10px;}
.chat-panel{width:calc(100vw - 20px);max-width:calc(100vw - 20px);height:calc(70vh - 28px);max-height:calc(70vh - 28px);border-radius:20px;}
.chat-bubble{width:52px;height:52px;}
.chat-tooltip{display:none;}
} .chat-header-actions{display:flex;align-items:center;gap:6px;position:relative;z-index:1;}
.clear-button{border:none;background:rgba(255, 255, 255, 0.1);color:rgba(255, 255, 255, 0.85);width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:0.8rem;transition:all 0.15s ease;flex-shrink:0;padding:0 !important;}
.clear-button:hover{background:rgba(255, 255, 255, 0.2);color:rgba(255, 255, 255, 1);}
.chat-quick-replies{display:flex;align-items:center;gap:8px;padding:8px 16px;background:transparent;border:none;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;width:100%;max-width:100%;flex-shrink:0;cursor:grab;scrollbar-width:thin;scrollbar-color:rgba(0, 74, 173, 0.1) transparent;}
.chat-quick-replies.active{cursor:grabbing;}
.chat-quick-replies::-webkit-scrollbar{height:4px;}
.chat-quick-replies::-webkit-scrollbar-track{background:transparent;}
.chat-quick-replies::-webkit-scrollbar-thumb{background:rgba(0, 74, 173, 0.1);border-radius:4px;}
.chat-quick-replies::-webkit-scrollbar-thumb:hover{background:rgba(0, 74, 173, 0.25);}
.chat-quick-replies.hidden{display:none;}
.quick-reply-btn{border:1px solid #cbd5e1;background:var(--qe-surface-solid);color:var(--qe-text-soft);padding:6px 12px;border-radius:16px;font-size:0.8rem;font-weight:500;cursor:pointer;transition:all 0.15s ease;display:inline-flex;align-items:center;gap:4px;flex-shrink:0;}
.quick-reply-btn:hover{border-color:var(--qe-primary);color:var(--qe-primary);background:rgba(0, 74, 173, 0.04);}
.scroll-btn-visible{bottom:82px !important;right:19px !important;transition:bottom 0.25s ease-out, opacity 0.25s ease-out, transform 0.25s ease-out !important;}
@media(max-width:640px){
.scroll-btn-visible{bottom:76px !important;right:14px !important;}
} .msg-feedback{display:flex;align-items:center;gap:8px;margin-top:8px;padding-top:6px;border-top:1px dashed rgba(0, 74, 173, 0.1);font-size:0.72rem;color:var(--qe-text-soft);}
.msg-feedback .feedback-text{margin-right:auto;}
.msg-feedback .feedback-btn{background:transparent;border:1px solid var(--qe-border);color:var(--qe-text-soft);padding:2px 8px;border-radius:4px;cursor:pointer;font-size:0.72rem;transition:all 0.15s ease;}
.msg-feedback .feedback-btn:hover{background:var(--qe-primary);color:white;border-color:var(--qe-primary);}
.msg-feedback .feedback-btn.no-btn:hover{background:#ef4444;color:white;border-color:#ef4444;}
.msg-feedback .contact-admin-btn{background:var(--qe-primary);color:white !important;border:1px solid var(--qe-primary);padding:4px 10px;border-radius:4px;text-decoration:none !important;display:inline-flex;align-items:center;gap:4px;font-weight:500;font-size:0.72rem;transition:all 0.15s ease;}
.msg-feedback .contact-admin-btn:hover{background:var(--qe-accent);border-color:var(--qe-accent);}
.msg-feedback.thanks-text {
color: var(--qe-primary);
font-weight: 500;
border-top: 1px dashed rgba(0, 74, 173, 0.1);
margin-top: 8px;
padding-top: 6px;
font-size: 0.72rem;
}