/* ============================================================
   PC Messenger & Notification Panel
   ProfeConnect – Direct Messages + Notification Dropdown
   ============================================================ */

/* ── Variables ───────────────────────────────────────────── */
:root {
  --ms-accent:  #00c800; /* ChannelKids Green */
  --ms-accent2: #00a000;
  --ms-bg:      #ffffff;
  --ms-bg2:     #fffbeb; /* Soft Yellow/Cream */
  --ms-border:  #000000; /* Thick Comics Border */
  --ms-text:    #000000;
  --ms-muted:   #475569;
  --ms-radius:  24px;
  --ms-shadow:  0 12px 40px rgba(0,0,0,0.12);
  --ms-sent-bg: #4f46e5; 
  --ms-recv-bg: #f8fafc;
}

/* ── SaaS Theme (Teacher Area) ───────────────────────────── */
.theme-saas {
  --ms-accent:  #4f46e5; /* Indigo */
  --ms-accent2: #4338ca;
  --ms-bg:      #ffffff;
  --ms-bg2:     #f8fafc;
  --ms-border:  #e2e8f0; /* Thin gray border */
  --ms-text:    #0f172a;
  --ms-muted:   #64748b;
  --ms-radius:  12px;
  --ms-shadow:  0 10px 25px rgba(0,0,0,0.1);
}

/* Override borders for SaaS */
.theme-saas#pc-messenger, 
.theme-saas#pc-notif-panel,
.theme-saas .ms-header,
.theme-saas .ms-panel-head {
  border-width: 1px !important;
  border-color: #e2e8f0 !important;
  box-shadow: 0 10px 50px rgba(0,0,0,0.1) !important;
}

.theme-saas .ms-header {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%) !important;
    color: #fff !important;
    border-radius: 12px 12px 0 0;
}

.theme-saas .ms-header h2 {
    color: #fff !important;
    text-shadow: none !important;
    text-transform: none !important;
    font-weight: 700 !important;
}

.theme-saas .ms-header-actions button {
    background: rgba(255,255,255,0.2) !important;
    border: none !important;
    box-shadow: none !important;
    color: #fff !important;
    backdrop-filter: blur(4px);
}
.theme-saas .ms-header-actions button:hover {
    background: rgba(255,255,255,0.3) !important;
}

/* Teacher messenger: a quiet SaaS surface that matches the ChannelKids header. */
#pc-messenger.theme-saas {
  --ms-accent: #2563eb;
  --ms-accent2: #1d4ed8;
  --ms-bg2: #f8fbff;
  --ms-border: #dbe5f1;
  --ms-text: #172033;
  --ms-muted: #66758c;
  width: min(820px, calc(100vw - 48px));
  height: min(640px, calc(100vh - 96px));
  bottom: 24px;
  right: 24px;
  border: 1px solid #dbe5f1;
  border-radius: 22px;
  box-shadow: 0 24px 60px rgba(30, 64, 175, .18), 0 2px 8px rgba(15, 23, 42, .08);
}
#pc-messenger.theme-saas .ms-header { min-height: 72px; padding: 0 22px; background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 62%, #1e40af 100%); border: 0 !important; }
#pc-messenger.theme-saas .ms-header-left { display: flex; align-items: center; gap: 12px; }
#pc-messenger.theme-saas .ms-header-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: rgba(255,255,255,.15); }
#pc-messenger.theme-saas .ms-header h2 { font-size: 20px; letter-spacing: -.02em; }
#pc-messenger.theme-saas .ms-header-actions button { width: 38px; height: 38px; border-radius: 12px; margin-left: 6px; font-size: 18px; }
#pc-messenger.theme-saas .ms-sidebar { width: 284px; background: #fbfdff; border-right-color: #e5edf7; }
.ms-sidebar-title { display: flex; align-items: center; justify-content: space-between; padding: 20px 18px 12px; color: #172033; font-size: 14px; font-weight: 800; }
.ms-sidebar-status { padding: 4px 8px; border-radius: 999px; background: #eaf2ff; color: #2563eb; font-size: 10px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
#pc-messenger.theme-saas .ms-search-wrap { padding: 8px 14px 14px; border: 0; }
#pc-messenger.theme-saas .ms-search-wrap input { height: 40px; padding: 0 14px; border-color: #dbe5f1; background: #fff; color: #172033; box-shadow: 0 1px 2px rgba(15,23,42,.03); }
#pc-messenger.theme-saas .ms-search-wrap input:focus { border-color: #60a5fa; box-shadow: 0 0 0 3px rgba(59,130,246,.14); }
#pc-messenger.theme-saas .ms-conv-list { padding: 4px 8px; }
#pc-messenger.theme-saas .ms-conv-item { padding: 10px; margin: 2px 0; border: 1px solid transparent; border-radius: 14px; }
#pc-messenger.theme-saas .ms-conv-item:hover { background: #f1f6ff; border-color: #dbeafe; }
#pc-messenger.theme-saas .ms-conv-item.active { background: #eaf2ff; border-color: #bfdbfe; }
#pc-messenger.theme-saas .ms-conv-avatar { width: 42px; height: 42px; background: linear-gradient(135deg, #60a5fa, #2563eb); box-shadow: 0 3px 8px rgba(37,99,235,.18); }
#pc-messenger.theme-saas .ms-conv-name { font-size: 13px; font-weight: 750; }
#pc-messenger.theme-saas .ms-conv-preview { margin-top: 2px; font-size: 12px; }
#pc-messenger.theme-saas .ms-new-chat-btn { min-height: 44px; margin: 14px; border: 0; border-radius: 12px; background: #2563eb; box-shadow: 0 6px 14px rgba(37,99,235,.2); font-size: 13px; font-weight: 800; }
#pc-messenger.theme-saas .ms-new-chat-btn:hover { background: #1d4ed8; box-shadow: 0 8px 18px rgba(37,99,235,.28); }
#pc-messenger.theme-saas .ms-chat { background: radial-gradient(circle at 80% 12%, #eff6ff 0, transparent 28%), #fff; }
#pc-messenger.theme-saas .ms-chat-placeholder { gap: 10px; color: #718198; text-align: center; }
#pc-messenger.theme-saas .ms-chat-placeholder svg { width: 58px; height: 58px; padding: 16px; border-radius: 20px; color: #2563eb; background: #eff6ff; opacity: 1; box-sizing: content-box; }
#pc-messenger.theme-saas .ms-chat-placeholder span { max-width: 280px; font-size: 13px; line-height: 1.5; }
#pc-messenger.theme-saas .ms-input-bar { padding: 14px 16px; border-top-color: #e5edf7; background: #fff; }
#pc-messenger.theme-saas .ms-input-bar input { height: 42px; border-color: #dbe5f1; background: #f8fbff; }
#pc-messenger.theme-saas .ms-send-btn { width: 42px; height: 42px; background: #2563eb; box-shadow: 0 4px 10px rgba(37,99,235,.24); }
@media (max-width: 760px) { #pc-messenger.theme-saas { width: 100%; height: 100dvh; max-width: 100%; right: 0; bottom: 0; border-radius: 0; } #pc-messenger.theme-saas .ms-header { min-height: 64px; } #pc-messenger.theme-saas .ms-sidebar { width: 220px; } }

/* Student portal: friendly sky/indigo treatment, without the legacy green comic UI. */
#pc-messenger:not(.theme-saas) {
  --ms-accent: #6366f1;
  --ms-accent2: #4f46e5;
  --ms-bg: #ffffff;
  --ms-bg2: #f5f7ff;
  --ms-border: #dbe4ff;
  --ms-text: #27324a;
  --ms-muted: #70809c;
  width: min(760px, calc(100vw - 32px));
  height: min(590px, calc(100vh - 72px));
  bottom: 20px;
  right: 20px;
  border: 1px solid #dbe4ff;
  border-radius: 24px;
  box-shadow: 0 22px 56px rgba(79,70,229,.2), 0 4px 12px rgba(30,41,59,.08);
}
#pc-messenger:not(.theme-saas) .ms-header {
  min-height: 68px;
  padding: 0 20px;
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 58%, #7c3aed 100%);
  border: 0;
}
#pc-messenger:not(.theme-saas) .ms-header-left { display: flex; align-items: center; gap: 10px; }
#pc-messenger:not(.theme-saas) .ms-header-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 14px; background: rgba(255,255,255,.16); }
#pc-messenger:not(.theme-saas) .ms-header h2 { font-size: 18px; letter-spacing: -.01em; text-shadow: none; }
#pc-messenger:not(.theme-saas) .ms-header-actions button { width: 38px; height: 38px; margin-left: 6px; border: 0; border-radius: 12px; background: rgba(255,255,255,.16); color: #fff; box-shadow: none; }
#pc-messenger:not(.theme-saas) .ms-header-actions button:hover { background: rgba(255,255,255,.28); transform: translateY(-1px); box-shadow: none; }
#pc-messenger:not(.theme-saas) .ms-sidebar { width: 254px; background: #fbfcff; border-right-color: #e5eaff; }
#pc-messenger:not(.theme-saas) .ms-sidebar-title { padding: 18px 16px 10px; color: #38435e; }
#pc-messenger:not(.theme-saas) .ms-sidebar-status { background: #ede9fe; color: #6d28d9; }
#pc-messenger:not(.theme-saas) .ms-search-wrap { padding: 8px 12px 12px; border: 0; }
#pc-messenger:not(.theme-saas) .ms-search-wrap input { height: 40px; border-color: #dbe4ff; background: #fff; color: #27324a; }
#pc-messenger:not(.theme-saas) .ms-search-wrap input:focus { border-color: #a5b4fc; box-shadow: 0 0 0 3px rgba(99,102,241,.14); }
#pc-messenger:not(.theme-saas) .ms-conv-list { padding: 4px 8px; }
#pc-messenger:not(.theme-saas) .ms-conv-item { padding: 10px; margin: 3px 0; border: 1px solid transparent; border-radius: 14px; }
#pc-messenger:not(.theme-saas) .ms-conv-item:hover, #pc-messenger:not(.theme-saas) .ms-conv-item.active { background: #f0f1ff; border-color: #dbe4ff; }
#pc-messenger:not(.theme-saas) .ms-conv-avatar { width: 42px; height: 42px; background: linear-gradient(135deg, #818cf8, #6366f1); box-shadow: 0 4px 9px rgba(99,102,241,.18); }
#pc-messenger:not(.theme-saas) .ms-new-chat-btn { min-height: 44px; margin: 14px; border: 0; border-radius: 14px; background: linear-gradient(135deg, #6366f1, #7c3aed); box-shadow: 0 6px 14px rgba(99,102,241,.24); font-size: 13px; }
#pc-messenger:not(.theme-saas) .ms-chat { background: radial-gradient(circle at 80% 12%, #eef2ff 0, transparent 30%), #fff; }
#pc-messenger:not(.theme-saas) .ms-chat-placeholder { color: #70809c; text-align: center; }
#pc-messenger:not(.theme-saas) .ms-chat-placeholder svg { width: 54px; height: 54px; padding: 16px; border-radius: 20px; color: #6366f1; background: #eef2ff; opacity: 1; box-sizing: content-box; }
#pc-messenger:not(.theme-saas) .ms-msg.mine .ms-msg-bubble { background: linear-gradient(135deg, #6366f1, #4f46e5); border: 0; box-shadow: 0 4px 10px rgba(79,70,229,.16); }
#pc-messenger:not(.theme-saas) .ms-msg.theirs .ms-msg-bubble { background: #f5f7ff; color: #334155; border: 1px solid #e1e7ff; box-shadow: none; }
#pc-messenger:not(.theme-saas) .ms-input-bar { padding: 12px 14px; border-top-color: #e5eaff; background: #fff; }
#pc-messenger:not(.theme-saas) .ms-input-bar input { height: 42px; border-color: #dbe4ff; background: #f8f9ff; }
#pc-messenger:not(.theme-saas) .ms-attach-btn { border: 1px solid #dbe4ff; color: #6366f1; }
#pc-messenger:not(.theme-saas) .ms-send-btn { width: 42px; height: 42px; background: #6366f1; box-shadow: 0 4px 10px rgba(99,102,241,.24); }
@media (max-width: 500px) { #pc-messenger:not(.theme-saas) { width: 100%; max-width: 100%; height: 100dvh; right: 0; bottom: 0; border-radius: 0; } #pc-messenger:not(.theme-saas) .ms-header { min-height: 62px; } }

/* ── Notification dropdown (bell) ────────────────────────── */
#pc-notif-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  width: 380px;
  max-width: calc(100vw - 40px);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(15px) saturate(180%);
  -webkit-backdrop-filter: blur(15px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--ms-radius);
  box-shadow: 
    0 10px 40px -10px rgba(0,0,0,0.1),
    0 0 0 1px rgba(0,0,0,0.02);
  z-index: 100000 !important;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease;
  transform-origin: top right;
  animation: ms-pop .4s cubic-bezier(0.34, 1.56, 0.64, 1);
  font-family: 'Fredoka', 'Quicksand', 'Inter', sans-serif;
}

#pc-notif-panel .ms-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 24px 12px;
  background: transparent;
}

#pc-notif-panel .ms-panel-head h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  color: #1e293b !important;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

#pc-notif-panel .ms-mark-all-read {
  cursor: pointer;
  background: #f1f5f9;
  color: #6366f1;
  border: 1px solid #e2e8f0;
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#pc-notif-panel .ms-mark-all-read:hover { 
  background: #6366f1;
  color: #fff;
  border-color: #6366f1;
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.ms-notif-list { 
  max-height: 480px; 
  overflow-y: auto;
  padding: 4px 12px 12px;
}

.ms-notif-list::-webkit-scrollbar { width: 10px; }
.ms-notif-list::-webkit-scrollbar-track { background: #E3F2FD; border-radius: 6px; }
.ms-notif-list::-webkit-scrollbar-thumb { background: #64B5F6; border-radius: 6px; }
.ms-notif-list::-webkit-scrollbar-thumb:hover { background: #42A5F5; }

.ms-notif-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  margin-bottom: 6px;
  border-radius: 18px;
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none !important;
  position: relative;
}

.ms-notif-item:hover { 
  background: rgba(255, 255, 255, 0.6);
  border-color: rgba(99, 102, 241, 0.15);
  transform: translateX(4px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}

.ms-notif-item.unread { 
  background: rgba(99, 102, 241, 0.03);
  border-color: rgba(99, 102, 241, 0.08);
}

.ms-notif-item.unread::before {
  content: '';
  position: absolute;
  left: 6px; top: 25%; bottom: 25%;
  width: 3px;
  background: #6366f1;
  border-radius: 10px;
}

.ms-badge-new {
  font-size: 0.62rem;
  font-weight: 800;
  color: #fff;
  background: #6366f1;
  padding: 1px 7px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  box-shadow: 0 2px 5px rgba(99, 102, 241, 0.3);
}

.ms-notif-icon {
  width: 44px; height: 44px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0,0,0,0.03);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.ms-notif-item:hover .ms-notif-icon {
  transform: scale(1.1) rotate(-8deg);
  background: #ffffff;
  box-shadow: 0 8px 15px rgba(0,0,0,0.06);
}

.ms-notif-item.unread .ms-notif-icon {
  border-color: #c7d2fe;
  background: #ffffff;
}

.ms-notif-body { flex: 1; min-width: 0; }
.ms-notif-body p { 
  margin: 0; 
  font-size: 0.88rem; 
  color: #1e293b !important; 
  line-height: 1.5; 
  font-weight: 500;
}
.ms-notif-item.unread .ms-notif-body p {
  color: #0f172a !important;
  font-weight: 700;
}

.ms-notif-body span { 
  font-size: 0.75rem; 
  color: #94a3b8 !important; 
  font-weight: 600;
  margin-top: 4px;
  display: block;
}

.ms-notif-dot {
  width: 10px; height: 10px;
  background: #6366f1;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px #e0e7ff;
}

.ms-empty {
  padding: 60px 24px;
  text-align: center;
  color: #94a3b8;
  font-size: 0.95rem;
  font-weight: 600;
}

.ms-see-all {
  display: block;
  text-align: center;
  padding: 16px;
  font-size: 0.95rem;
  font-weight: 800;
  color: #1e293b !important;
  background: #fff;
  border-top: 1px solid #e2e8f0;
  text-decoration: none !important;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ms-see-all:hover { 
  background: #f8fafc;
  color: #2563eb !important;
}

/* Notification panel must also be above footer */
#pc-notif-panel { z-index: 100000 !important; }

/* unread badge on the bell/chat button */
.pc-nav-btn { position: relative; }
#pc-notif-unread, #pc-msg-unread {
  position: absolute;
  top: 2px; right: 2px;
  min-width: 16px; height: 16px;
  background: #ef4444;
  color: #fff;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  padding: 0 3px;
  pointer-events: none;
}

/* ── Messenger Panel (full) ───────────────────────────────── */
#pc-messenger {
  position: fixed;
  bottom: 36px; right: 20px;
  width: 760px;
  max-width: calc(100vw - 32px);
  height: 580px;
  background: var(--ms-bg);
  border: 4px solid #000;
  border-radius: 32px;
  box-shadow: 12px 12px 0 rgba(0,0,0,0.2);
  z-index: 10001;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: 'Fredoka', 'Quicksand', 'Inter', sans-serif;
  transform: translateY(calc(100% + 36px));
  transition: transform .3s cubic-bezier(.34, 1.56, .64, 1);
}
#pc-messenger.ms-open { transform: translateY(0); }
#pc-messenger.ms-minimized { transform: translateY(calc(100% + 60px)); }

.ms-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: linear-gradient(to bottom, #00c800, #00a000);
  border-bottom: 4px solid #000;
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
}
.ms-header h2 { 
  margin: 0; 
  font-size: 1.3rem; 
  font-weight: 900; 
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-shadow: 3px 3px 0 #006400;
}

.ms-header-actions button {
  background: #ffff00;
  border: 3px solid #000;
  color: #000;
  font-weight: 900;
  border-radius: 14px;
  box-shadow: 4px 4px 0 #000;
  width: 42px;
  height: 42px;
  font-size: 1.3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 8px;
  cursor: pointer;
  transition: all .15s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.ms-header-actions button:hover { 
  background: #fffb00; 
  transform: scale(1.15) rotate(3deg);
  box-shadow: 6px 6px 0 #000;
}
.ms-header-actions button:active {
  transform: scale(0.9) rotate(0deg);
  box-shadow: 2px 2px 0 #000;
}


/* body = left sidebar + right chat */
.ms-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Left: Conversations sidebar ─────────────────────────── */
.ms-sidebar {
  width: 240px;
  flex-shrink: 0;
  border-right: 1px solid var(--ms-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.ms-search-wrap {
  padding: 8px;
  border-bottom: 1px solid var(--ms-border);
}
.ms-search-wrap input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--ms-border);
  border-radius: 20px;
  font-size: .83rem;
  background: var(--ms-bg2);
  outline: none;
  box-sizing: border-box;
}
.ms-search-wrap input:focus { border-color: var(--ms-accent); background: #fff; }
.ms-conv-list { flex: 1; overflow-y: auto; }
.ms-conv-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 10px;
  cursor: pointer;
  border-radius: 8px;
  margin: 2px 4px;
  transition: background .12s;
}
.ms-conv-item:hover { background: var(--ms-bg2); }
.ms-conv-item.active { background: #eef2ff; }
.ms-conv-item.has-unread .ms-conv-name { font-weight: 700; }
.ms-conv-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--ms-accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .95rem;
  flex-shrink: 0;
  overflow: hidden;
}
.ms-conv-avatar img { width: 100%; height: 100%; object-fit: cover; }
.ms-conv-info { flex: 1; min-width: 0; }
.ms-conv-name { font-size: .83rem; font-weight: 600; color: var(--ms-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ms-conv-preview { font-size: .75rem; color: var(--ms-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ms-conv-badge {
  width: 18px; height: 18px;
  background: var(--ms-accent);
  color: #fff;
  border-radius: 50%;
  font-size: .68rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ms-new-chat-btn {
  margin: 10px 14px;
  padding: 10px;
  background: #4f46e5;
  color: #fff;
  border: 3px solid #000;
  border-radius: 16px;
  cursor: pointer;
  font-size: .85rem;
  font-weight: 900;
  width: calc(100% - 28px);
  display: flex; align-items: center; justify-content: center; gap: 6px;
  box-shadow: 3px 3px 0 rgba(0,0,0,0.1);
}
.ms-new-chat-btn:hover { transform: translateY(-2px); box-shadow: 5px 5px 0 rgba(0,0,0,0.1); }


/* Search results dropdown */
.ms-user-results {
  position: absolute;
  background: #fff;
  border: 1px solid var(--ms-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.1);
  z-index: 10;
  max-height: 200px;
  overflow-y: auto;
  left: 8px; right: 8px;
  margin-top: 2px;
}
.ms-user-result-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  cursor: pointer;
  font-size: .85rem;
}
.ms-user-result-item:hover { background: var(--ms-bg2); }
.ms-user-result-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--ms-accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700;
  flex-shrink: 0;
  overflow: hidden;
}
.ms-user-result-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ── Right: Chat area ─────────────────────────────────────── */
.ms-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}
.ms-chat-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--ms-border);
  flex-shrink: 0;
}
.ms-chat-partner-name { font-weight: 700; font-size: .9rem; }
.ms-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ms-msg {
  display: flex;
  align-items: flex-end;
  gap: 6px;
}
.ms-msg.mine { flex-direction: row-reverse; }
.ms-msg-bubble {
  max-width: 70%;
  padding: 8px 12px;
  border-radius: 18px;
  font-size: .85rem;
  line-height: 1.4;
  word-break: break-word;
}
.ms-msg.mine  .ms-msg-bubble { 
  background: #4f46e5; 
  color: #fff; 
  border: 3px solid #000;
  border-bottom-right-radius: 4px; 
  box-shadow: 3px 3px 0 rgba(0,0,0,0.1);
}
.ms-msg.theirs .ms-msg-bubble { 
  background: #fff; 
  color: #000; 
  border: 3px solid #000;
  border-bottom-left-radius: 4px;
  box-shadow: 3px 3px 0 rgba(0,0,0,0.1);
}
.ms-msg-time { font-size: .68rem; color: var(--ms-muted); font-weight: 700; }

.ms-chat-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  color: var(--ms-muted);
  font-size: .9rem;
}
.ms-chat-empty .ms-chat-empty-icon { font-size: 2.5rem; }
.ms-chat-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ms-muted);
  font-size: .9rem;
  flex-direction: column;
  gap: 10px;
}
.ms-chat-placeholder svg { width: 48px; height: 48px; opacity: .3; }
.ms-input-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-top: 1px solid var(--ms-border);
  flex-shrink: 0;
}
.ms-input-bar input {
  flex: 1;
  padding: 8px 14px;
  border: 1px solid var(--ms-border);
  border-radius: 20px;
  font-size: .85rem;
  background: var(--ms-bg2);
  outline: none;
}
.ms-input-bar input:focus { border-color: var(--ms-accent); background: #fff; }
.ms-send-btn {
  width: 36px; height: 36px;
  background: var(--ms-accent);
  border: none; color: #fff;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background .15s, transform .1s;
}
.ms-send-btn:hover { background: var(--ms-accent2); transform: scale(1.08); }
.ms-send-btn:active { transform: scale(.95); }

/* typing indicator */
.ms-typing {
  display: flex; align-items: center; gap: 4px;
  padding: 4px 0 0 4px;
}
.ms-typing span {
  width: 6px; height: 6px;
  background: var(--ms-muted);
  border-radius: 50%;
  animation: ms-bounce .8s infinite;
}
.ms-typing span:nth-child(2) { animation-delay: .15s; }
.ms-typing span:nth-child(3) { animation-delay: .3s; }

/* responsive: on small screens make messenger full-width */
@media (max-width: 760px) {
  #pc-messenger { width: 100%; right: 0; left: 0; border-radius: 14px 14px 0 0; bottom: 36px; }
  .ms-sidebar { width: 180px; }
  #pc-notif-panel { width: 300px; right: -20px; }
}
@media (max-width: 500px) {
  #pc-messenger { height: 80vh; }
  .ms-sidebar { display: none; }
  #pc-messenger.show-sidebar .ms-sidebar { display: flex; width: 100%; }
  #pc-messenger.show-sidebar .ms-chat { display: none; }
}

/* ── Animations ───────────────────────────────────────────── */
@keyframes ms-pop {
  from { opacity: 0; transform: scale(.92) translateY(-6px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}
@keyframes ms-bounce {
  0%, 80%, 100% { transform: translateY(0); }
  40%           { transform: translateY(-5px); }
}

/* ── Attachment button ────────────────────────────────────── */
.ms-attach-btn {
  width: 36px; height: 36px;
  background: none;
  border: 2px solid var(--ms-border);
  color: var(--ms-muted);
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: border-color .15s, color .15s, transform .1s;
}
.ms-attach-btn:hover { border-color: var(--ms-accent); color: var(--ms-accent); transform: scale(1.08); }
.ms-attach-btn:active { transform: scale(.95); }

/* ── Attachment preview strip above input ──────────────────── */
.ms-attach-preview {
  display: flex;
  padding: 6px 10px;
  border-top: 1px solid var(--ms-border);
  background: var(--ms-bg2);
}
.ms-attach-thumb {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
}
.ms-attach-thumb img {
  max-height: 60px;
  max-width: 120px;
  border-radius: 6px;
  object-fit: cover;
  border: 1px solid var(--ms-border);
}
.ms-attach-file-icon {
  font-size: 1.5rem;
}
.ms-attach-name {
  font-size: .75rem;
  color: var(--ms-muted);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ms-attach-remove {
  position: absolute;
  top: -6px; right: -6px;
  width: 20px; height: 20px;
  background: #e74c3c;
  border: none;
  color: #fff;
  border-radius: 50%;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}

/* ── Message attachment rendering ──────────────────────────── */
.ms-msg-attachment {
  display: block;
  margin-bottom: 4px;
  text-decoration: none;
}
.ms-msg-img img {
  max-width: 200px;
  max-height: 180px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid rgba(0,0,0,.1);
  cursor: pointer;
}
.ms-msg-doc {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,0,0,.06);
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--ms-text);
  font-size: .8rem;
  transition: background .15s;
}
.ms-msg-doc:hover { background: rgba(0,0,0,.1); }
.ms-msg-doc-icon { font-size: 1.2rem; }
.ms-msg-doc-name {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
  white-space: nowrap;
}