:root {
  --drm-accent: #7c3aed;
  --drm-accent-dark: #5b21b6;
  --drm-bg: #ffffff;
  --drm-user: #f3f4f6;
  --drm-bot: #f5f3ff;
  --drm-text: #1f2937;
  --drm-size: 62px;
  --drm-offx: 22px;
  --drm-offy: 22px;
}

/* فونت پیش‌فرض سایت همه‌جا ارث‌بری می‌شود */
#drm-chat-root, #drm-chat-root * { box-sizing: border-box; font-family: inherit; }

.drm-bubble {
  position: fixed;
  bottom: var(--drm-offy);
  width: var(--drm-size);
  height: var(--drm-size);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--drm-accent), var(--drm-accent-dark));
  box-shadow: 0 10px 30px rgba(124,58,237,0.42);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99998;
  transition: transform .2s ease, box-shadow .2s ease;
  animation: drm-pop .4s ease;
}
.drm-pos-right { inset-inline-end: var(--drm-offx); }
.drm-pos-left  { inset-inline-start: var(--drm-offx); }
.drm-bubble:hover { transform: scale(1.08); box-shadow: 0 14px 38px rgba(124,58,237,0.55); }
.drm-bubble svg { width: 48%; height: 48%; fill: #fff; }
.drm-bubble .drm-badge {
  position: absolute; top: -3px; inset-inline-start: -3px;
  width: 16px; height: 16px; background: #ef4444; border-radius: 50%;
  border: 2px solid #fff;
}

@keyframes drm-pop { from { transform: scale(0); } to { transform: scale(1); } }

.drm-bubble-label {
  position: fixed;
  bottom: calc(var(--drm-offy) + (var(--drm-size) - 38px) / 2);
  height: 38px;
  display: flex;
  align-items: center;
  background: #fff;
  color: #1f2937;
  padding: 0 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  cursor: pointer;
  z-index: 99997;
  white-space: nowrap;
  animation: drm-pop .4s ease;
}
.drm-bubble-label.drm-pos-right { inset-inline-end: calc(var(--drm-offx) + var(--drm-size) + 10px); }
.drm-bubble-label.drm-pos-left  { inset-inline-start: calc(var(--drm-offx) + var(--drm-size) + 10px); }
.drm-bubble-label.drm-hide { display: none; }

.drm-window {
  position: fixed;
  bottom: calc(var(--drm-offy) + var(--drm-size) + 14px);
  width: 374px;
  max-width: calc(100vw - 32px);
  height: 568px;
  max-height: calc(100vh - 140px);
  background: var(--drm-bg);
  border-radius: 20px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.24);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 99999;
  direction: rtl;
  animation: drm-slide .28s cubic-bezier(.2,.8,.2,1);
}
.drm-window.drm-pos-right { inset-inline-end: var(--drm-offx); }
.drm-window.drm-pos-left  { inset-inline-start: var(--drm-offx); }
.drm-window.drm-open { display: flex; }

@keyframes drm-slide { from { opacity: 0; transform: translateY(24px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }

.drm-header {
  background: linear-gradient(135deg, var(--drm-accent), var(--drm-accent-dark));
  color: #fff;
  padding: 15px 18px;
  display: flex;
  align-items: center;
  gap: 11px;
}
.drm-header .drm-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.18);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.drm-header .drm-avatar svg { width: 22px; height: 22px; fill: #fff; }
.drm-header .drm-titles { flex: 1; min-width: 0; }
.drm-header h4 { margin: 0; font-size: 15px; font-weight: 700; }
.drm-header .drm-status { font-size: 11px; opacity: .92; display: flex; align-items: center; gap: 5px; margin-top: 2px; }
.drm-header .drm-status::before { content:''; width:7px; height:7px; background:#4ade80; border-radius:50%; box-shadow:0 0 0 3px rgba(74,222,128,.3); }
.drm-header .drm-close { cursor: pointer; font-size: 24px; line-height: 1; opacity: .85; padding: 0 4px; }
.drm-header .drm-close:hover { opacity: 1; }

.drm-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #fafafa;
}
.drm-msg { max-width: 84%; padding: 10px 13px; border-radius: 15px; font-size: 14px; line-height: 1.75; color: var(--drm-text); white-space: pre-wrap; word-wrap: break-word; }
.drm-msg.user { align-self: flex-start; background: var(--drm-user); border-bottom-right-radius: 4px; }
.drm-msg.bot  { align-self: flex-end; background: var(--drm-bot); border-bottom-left-radius: 4px; }
.drm-msg img { max-width: 100%; border-radius: 10px; margin-top: 4px; }
.drm-msg a.drm-file { color: var(--drm-accent); text-decoration: underline; }

.drm-typing { align-self: flex-end; display: flex; gap: 4px; padding: 12px 14px; }
.drm-typing span { width: 7px; height: 7px; background: var(--drm-accent); border-radius: 50%; opacity: .5; animation: drm-blink 1.2s infinite; }
.drm-typing span:nth-child(2){ animation-delay:.2s; } .drm-typing span:nth-child(3){ animation-delay:.4s; }
@keyframes drm-blink { 0%,60%,100%{opacity:.3;} 30%{opacity:1;} }

.drm-input {
  padding: 10px 12px;
  border-top: 1px solid #eee;
  display: flex;
  gap: 8px;
  align-items: flex-end;
  background: #fff;
}
.drm-input textarea {
  flex: 1; resize: none; border: 1px solid #e5e7eb; border-radius: 12px;
  padding: 10px 12px; font-size: 14px; max-height: 90px; outline: none; line-height: 1.6;
  background: #fff; color: #1f2937; box-shadow: none;
}
.drm-input textarea:focus { border-color: var(--drm-accent); }
#drm-chat-root .drm-btn-icon {
  width: 42px !important; height: 42px !important; min-width: 42px !important;
  border: none !important; border-radius: 12px !important;
  cursor: pointer; display: flex !important; align-items: center !important; justify-content: center !important;
  flex-shrink: 0; padding: 0 !important; margin: 0 !important;
  background: #f3f4f6; box-shadow: none !important;
}
#drm-chat-root .drm-btn-icon svg { width: 20px !important; height: 20px !important; display: block !important; fill: #6b7280; }
#drm-chat-root .drm-btn-icon:hover svg { fill: var(--drm-accent); }
#drm-chat-root .drm-send { background: var(--drm-accent) !important; }
#drm-chat-root .drm-send svg { fill: #fff !important; transform: scaleX(-1); }
#drm-chat-root .drm-send:disabled { opacity: .5; cursor: default; }
#drm-chat-root .drm-bubble svg,
#drm-chat-root .drm-header .drm-avatar svg { display: block !important; }

.drm-consent { font-size: 11px; color: #9ca3af; padding: 5px 14px 9px; text-align: center; background:#fff; line-height:1.6; }
.drm-consent a { color: var(--drm-accent); }

.drm-form { padding: 18px; display: flex; flex-direction: column; gap: 11px; background:#fafafa; }
.drm-form input { padding: 11px 13px; border:1px solid #e5e7eb; border-radius:11px; font-size:14px; }
.drm-form input:focus { border-color: var(--drm-accent); outline:none; }
.drm-form button { padding: 12px; border:none; border-radius:11px; background:var(--drm-accent); color:#fff; cursor:pointer; font-size:14px; font-weight:600; }
.drm-form label { font-size: 12px; color:#6b7280; display:flex; gap:6px; align-items:flex-start; line-height:1.6; }

.drm-upload-preview { font-size:12px; color:#6b7280; padding:4px 14px; background:#fff; display:none; align-items:center; gap:8px; }
.drm-upload-preview.show { display:flex; }

.drm-powered { font-size:10px; text-align:center; color:#cbd0d6; padding:5px; background:#fff; }