:root{--kdr-chat-width:360px;--kdr-chat-height:520px}.kdr-chat-button{position:fixed;bottom:24px;right:24px;z-index:9999;width:56px;height:56px;min-width:56px;min-height:56px;max-width:56px;max-height:56px;border-radius:50%;border:none;background:var(--kdr-primary);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:0;box-shadow:0 4px 20px rgba(0,102,255,0.35);transition:transform 0.2s ease,box-shadow 0.2s ease}.kdr-chat-button svg{width:24px;height:24px;flex-shrink:0;display:block}.kdr-chat-button:hover{transform:scale(1.08);box-shadow:0 6px 28px rgba(0,102,255,0.45)}.kdr-chat-button__icon{width:24px;height:24px}.kdr-chat-widget{position:fixed;bottom:92px;right:24px;z-index:9998;width:var(--kdr-chat-width);height:var(--kdr-chat-height);background:var(--kdr-card,#1a1a2e);border:1px solid var(--kdr-card-border,#2a2a3e);border-radius:16px;box-shadow:0 8px 40px rgba(0,0,0,0.4);display:none;flex-direction:column;overflow:hidden}.kdr-chat-widget.is-open{display:flex}.kdr-chat-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--kdr-card-border,#2a2a3e);background:var(--kdr-bg-alt,#12121e)}.kdr-chat-header__title{font-family:var(--kdr-font-display,'Space Grotesk',sans-serif);font-size:0.9rem;font-weight:600;color:var(--kdr-text,#e0e0e0)}.kdr-chat-header__close{display:none}.kdr-chat-messages{flex:1;overflow-y:auto;padding:12px 16px;display:flex;flex-direction:column;gap:10px;scroll-behavior:smooth}.kdr-chat-msg{max-width:85%;padding:10px 14px;border-radius:12px;font-size:0.88rem;line-height:1.5;word-wrap:break-word}.kdr-chat-msg--bot{align-self:flex-start;background:var(--kdr-bg-alt,#12121e);border:1px solid var(--kdr-card-border,#2a2a3e);color:var(--kdr-text,#e0e0e0);border-bottom-left-radius:4px}.kdr-chat-msg--user{align-self:flex-end;background:var(--kdr-primary,#0066ff);color:#fff;border-bottom-right-radius:4px}.kdr-chat-msg--typing{align-self:flex-start;background:var(--kdr-bg-alt,#12121e);border:1px solid var(--kdr-card-border,#2a2a3e);color:var(--kdr-dim,#888);border-bottom-left-radius:4px;display:flex;gap:4px;padding:12px 16px}.kdr-chat-link{color:var(--kdr-primary,#0066ff);text-decoration:none;font-weight:500;word-break:break-all}.kdr-chat-link:hover{text-decoration:underline;color:var(--kdr-primary-hover,#0052cc)}.kdr-chat-msg--typing span{width:7px;height:7px;border-radius:50%;background:var(--kdr-dim,#888);animation:kdr-chat-bounce 1.3s ease-in-out infinite}.kdr-chat-msg--typing span:nth-child(2){animation-delay:0.15s}.kdr-chat-msg--typing span:nth-child(3){animation-delay:0.3s}@keyframes kdr-chat-bounce{0%,80%,100%{transform:scale(0.6);opacity:0.4}40%{transform:scale(1);opacity:1}}.kdr-chat-input-wrap{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--kdr-card-border,#2a2a3e);background:var(--kdr-bg-alt,#12121e)}.kdr-chat-input{flex:1;padding:10px 14px;border:1px solid var(--kdr-card-border,#2a2a3e);border-radius:10px;background:var(--kdr-bg,#0d0d1a);color:var(--kdr-text,#e0e0e0);font-size:0.88rem;outline:none;font-family:inherit}.kdr-chat-input:focus{border-color:var(--kdr-primary,#0066ff)}.kdr-chat-send{width:40px;height:40px;border-radius:50%;border:none;background:var(--kdr-primary,#0066ff);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background 0.2s ease}.kdr-chat-send:hover{background:var(--kdr-primary-hover,#0052cc)}.kdr-chat-send:disabled{opacity:0.4;cursor:not-allowed}.kdr-chat-send svg{width:18px;height:18px}@media (max-width:480px){:root{--kdr-chat-width:calc(100vw - 32px);--kdr-chat-height:calc(100vh - 160px)}.kdr-chat-button{bottom:calc(max(16px,env(safe-area-inset-bottom,16px)) + 68px);right:max(16px,env(safe-area-inset-right,16px))}.kdr-chat-widget{bottom:calc(max(16px,env(safe-area-inset-bottom,16px)) + 136px);right:max(16px,env(safe-area-inset-right,16px))}}