.support-bot-floating-btn{position:fixed;bottom:28px;right:28px;width:64px;height:64px;border-radius:50%;border:none;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;cursor:pointer;z-index:1502;box-shadow:0 10px 30px rgba(79,70,229,.45);display:flex;align-items:center;justify-content:center;transition:transform .28s cubic-bezier(.22,1,.36,1),box-shadow .28s ease}.support-bot-floating-btn:hover{transform:scale(1.05)}.support-bot-floating-btn:active{transform:scale(.94)}.support-bot-floating-btn.is-panel-open{box-shadow:0 8px 22px rgba(79,70,229,.4)}.support-bot-floating-btn.is-panel-open .pulse-ring{display:none}.support-bot-floating-btn.is-paused{background:linear-gradient(135deg,#64748b,#475569);box-shadow:0 10px 30px rgba(71,85,105,.35)}.support-bot-floating-btn.is-paused .pulse-ring{display:none}.support-bot-floating-btn .pulse-ring{position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(124,58,237,.45);animation:supportPulse 2s infinite}@keyframes supportPulse{0%{transform:scale(1);opacity:.8}to{transform:scale(1.25);opacity:0}}.support-bot-widget{position:fixed;bottom:108px;right:28px;width:400px;max-width:calc(100vw - 24px);height:560px;max-height:calc(100vh - 148px);background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(15,23,42,.25);display:flex;flex-direction:column;overflow:hidden;z-index:1500;transform-origin:calc(100% - 32px) calc(100% + 40px);opacity:0;transform:translateY(18px) scale(.18);pointer-events:none;transition:opacity .28s ease,transform .32s cubic-bezier(.22,1,.36,1)}.support-bot-widget.is-open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.support-bot-header{flex-shrink:0;min-height:58px;padding:8px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff}.support-bot-header h3{margin:0;font-size:15px;font-weight:600}.support-bot-header .status-chip{font-size:11px;opacity:.9}.support-bot-header .header-actions{display:flex;gap:8px;align-items:center}.support-bot-header .header-actions button{background:transparent;border:none;color:#fff;cursor:pointer;font-size:13px;padding:4px 8px;border-radius:6px}.support-bot-header .header-actions button:hover{background:hsla(0,0%,100%,.15)}.support-bot-header .header-actions .support-talk-btn.is-highlight{background:hsla(0,0%,100%,.22);box-shadow:0 0 0 2px hsla(0,0%,100%,.55);font-weight:700;animation:support-talk-pulse 1.6s ease-in-out infinite}.support-bot-header .header-actions .support-talk-btn.is-urgent{background:#fef3c7;color:#92400e;box-shadow:0 0 0 2px #fbbf24}.support-bot-header .header-actions .support-talk-btn.is-urgent:hover{background:#fde68a}@keyframes support-talk-pulse{0%,to{box-shadow:0 0 0 2px hsla(0,0%,100%,.45)}50%{box-shadow:0 0 0 4px hsla(0,0%,100%,.75)}}.support-bot-messages{flex:1 1;overflow-y:auto;padding:14px;background:#f8fafc;display:flex;flex-direction:column;gap:10px}.support-msg{max-width:85%;padding:10px 12px;border-radius:12px;font-size:13px;line-height:1.45;white-space:pre-wrap;word-break:break-word}.support-msg.student{align-self:flex-end;background:#4f46e5;color:#fff;border-bottom-right-radius:4px}.support-msg.agent,.support-msg.assistant,.support-msg.system{align-self:flex-start;background:#fff;color:#0f172a;border:1px solid #e2e8f0;border-bottom-left-radius:4px}.support-msg.system{background:#eef2ff;color:#3730a3;font-size:12px}.support-msg.agent{border-color:#a7f3d0;background:#ecfdf5}.support-msg .msg-sender{margin-bottom:4px;font-size:11px;font-weight:700;color:#047857}.support-msg .msg-meta{margin-top:6px;font-size:11px;opacity:.7}.support-suggestions{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 8px}.support-suggestions button{border:1px solid #c7d2fe!important;background:#eef2ff!important;color:#3730a3!important;border-radius:999px;padding:6px 10px;font-size:11px;cursor:pointer}.support-suggestions button:hover{background:#e0e7ff!important;color:#3730a3!important}.support-bot-input{flex-shrink:0;border-top:1px solid #e2e8f0;padding:10px;display:flex;gap:8px;background:#fff}.support-bot-input textarea{flex:1 1;resize:none;border:1px solid #e2e8f0;border-radius:10px;padding:10px;font-size:13px;min-height:42px;max-height:90px;font-family:inherit}.support-bot-input button{border:none;background:#4f46e5;color:#fff;border-radius:10px;padding:0 14px;cursor:pointer;font-weight:600}.support-bot-input button:disabled{opacity:.5;cursor:not-allowed}.support-typing{align-self:flex-start;display:flex;flex-direction:column;align-items:flex-start;gap:6px;font-size:12px;color:#64748b;padding:4px 2px}.support-typing.is-thinking{gap:8px}.support-typing-bubble{display:inline-flex;align-items:center;justify-content:center;min-width:52px;padding:10px 14px;border-radius:12px;border-bottom-left-radius:4px;background:#fff;border:1px solid #e2e8f0;box-shadow:0 1px 2px rgba(15,23,42,.04)}.support-typing-dots{display:inline-flex;align-items:center;gap:5px;height:12px}.support-typing-dots i{display:block;width:7px;height:7px;border-radius:50%;background:#4f46e5;opacity:.35;animation:support-dot-bounce 1.05s ease-in-out infinite}.support-typing-dots i:nth-child(2){animation-delay:.15s}.support-typing-dots i:nth-child(3){animation-delay:.3s}@keyframes support-dot-bounce{0%,70%,to{transform:translateY(0);opacity:.3}35%{transform:translateY(-5px);opacity:1}}.support-unavailable{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:32px 24px;gap:8px;background:#f8fafc}.support-unavailable strong{font-size:15px;color:#0f172a}.support-unavailable p{margin:0;font-size:13px;line-height:1.5;color:#475569;max-width:280px}.support-feedback{display:flex;gap:6px;margin-top:6px;align-items:center}.support-feedback .msg-meta{color:#475569;opacity:1}.support-feedback button{border:1px solid #cbd5e1!important;background:#fff!important;color:#0f172a!important;border-radius:6px;font-size:11px;padding:2px 8px;cursor:pointer;font-weight:600}.support-feedback button:hover{background:#f1f5f9!important;color:#0f172a!important}.support-feedback .support-feedback-result{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;line-height:1.2;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.support-feedback .support-feedback-result svg{flex-shrink:0}.support-feedback .support-feedback-result.yes{color:#15803d}.support-feedback .support-feedback-result.yes svg{color:#16a34a}.support-feedback .support-feedback-result.no{color:#b91c1c}.support-feedback .support-feedback-result.no svg{color:#dc2626}.support-error{color:#b91c1c;font-size:12px;padding:0 14px 8px}.support-escalation-banner{background:#fff7ed;color:#9a3412;font-size:12px;padding:8px 14px;border-bottom:1px solid #fed7aa;display:flex;flex-wrap:wrap;align-items:center;gap:8px}.support-escalation-banner button{background:#fff!important;color:#9a3412!important;border:1px solid #fdba74!important;border-radius:6px;padding:4px 8px;font-size:12px;font-weight:600;cursor:pointer}.support-hours-note{display:block;margin-bottom:6px;color:#64748b}.support-human-hint{font-size:12px;color:#475569;padding:0 14px 8px}.support-human-hint button{background:transparent!important;color:#4f46e5!important;border:none!important;padding:0;font-size:12px;font-weight:700;cursor:pointer;text-decoration:underline}.support-human-hint.is-suggested{background:#eef2ff;margin:0 10px 8px;padding:8px 10px;border-radius:10px;border:1px solid #c7d2fe;color:#312e81}@media(max-width:480px){.support-bot-widget{right:12px;bottom:92px;width:calc(100vw - 24px);height:calc(100vh - 120px);transform-origin:calc(100% - 26px) calc(100% + 38px)}.support-bot-floating-btn{right:16px;bottom:16px}}@media(prefers-reduced-motion:reduce){.support-bot-floating-btn,.support-bot-widget{transition:none}}