* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #eae6df;
  --panel-bg: #ffffff;
  --panel-header: #f0f2f5;
  --surface: #f0f2f5;
  --surface2: #e9edef;
  --border: #e2e2e2;
  --text: #111b21;
  --text-dim: #667781;
  --teal: #008069;
  --teal-dark: #006a56;
  --teal-light: #00a884;
  --outgoing: #d9fdd3;
  --incoming: #ffffff;
  --blue: #027eb5;
  --orange: #e68a00;
  --red: #ea0038;
  --wa-green: #25d366;
  --email-blue: #027eb5;
  --chat-bg: #efeae2;
  --search-bg: #f0f2f5;
  --hover: #f5f6f6;
  --selected: #f0f2f5;
  --unread: #25d366;
  --bubble-shadow: rgba(0,0,0,0.06);
}

body {
  font-family: 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

.screen { display: none; height: 100vh; }
.screen.active { display: flex; flex-direction: column; }

/* Login */
#login-screen {
  justify-content: center;
  align-items: center;
  background: linear-gradient(180deg, var(--teal) 0%, var(--teal) 220px, var(--bg) 220px);
}
.login-box {
  background: var(--panel-bg);
  padding: 2.5rem 2rem;
  border-radius: 8px;
  width: 340px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.login-box h1 {
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text);
}
.login-box form { display: flex; flex-direction: column; gap: 0.75rem; }
.login-box select,
.login-box input {
  padding: 0.65rem 0.75rem;
  background: var(--panel-bg);
  border: none;
  border-bottom: 2px solid var(--border);
  border-radius: 0;
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}
.login-box select:focus,
.login-box input:focus { border-bottom-color: var(--teal); }
.login-box select option { background: var(--panel-bg); }
.login-box button {
  padding: 0.7rem;
  background: var(--teal);
  color: white;
  border: none;
  border-radius: 24px;
  cursor: pointer;
  font-size: 0.95rem;
  margin-top: 0.5rem;
  transition: background 0.15s;
}
.login-box button:hover { background: var(--teal-dark); }
.error { color: var(--red); font-size: 0.85rem; text-align: center; }

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1rem;
  background: var(--panel-header);
  min-height: 50px;
  border-bottom: 1px solid var(--border);
}
.header-left { display: flex; align-items: center; gap: 0.75rem; }
.header-left h1 { font-size: 1rem; font-weight: 500; color: var(--text-dim); }
#user-display { color: var(--text-dim); font-size: 0.8rem; }
.header-right { display: flex; gap: 0.5rem; align-items: center; }
.btn-small {
  padding: 0.4rem 0.9rem;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.78rem;
  background: var(--teal);
  color: white;
  transition: background 0.15s;
}
.btn-small:hover { background: var(--teal-dark); }
.btn-muted {
  background: transparent;
  color: var(--text-dim);
  border: none;
}
.btn-muted:hover { color: var(--text); background: var(--hover); }

/* Dashboard */
.dashboard {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Left Panel */
.panel-left {
  width: 400px;
  min-width: 340px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: var(--panel-bg);
}

.filters {
  padding: 0.5rem 0.75rem;
  background: var(--panel-bg);
}
.filter-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 0.5rem;
}
.tab {
  flex: 1;
  padding: 0.4rem 0.25rem;
  border: none;
  background: var(--surface);
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 20px;
  font-size: 0.78rem;
  transition: all 0.15s;
}
.tab.active {
  background: rgba(0,128,105,0.12);
  color: var(--teal);
  font-weight: 500;
}
.tab:hover:not(.active) { background: var(--hover); }
#search-input {
  width: 100%;
  padding: 0.45rem 0.75rem;
  background: var(--surface);
  border: none;
  border-radius: 8px;
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
}
#search-input::placeholder { color: var(--text-dim); }

.enquiry-list {
  flex: 1;
  overflow-y: auto;
}

/* Chat Cards */
.enquiry-card {
  padding: 0.65rem 0.9rem;
  cursor: pointer;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  border-bottom: none;
  transition: background 0.1s;
}
.enquiry-card:hover { background: var(--hover); }
.enquiry-card.selected { background: var(--selected); }

.card-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #dfe5e7;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #ffffff;
  font-weight: 500;
  text-transform: uppercase;
  background-color: #6a7175;
}

.unread-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--unread);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: white;
  font-weight: 600;
}
.unread-dot.hidden { display: none; }

.card-body { flex: 1; min-width: 0; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2px; }
.card-name { font-weight: 400; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text); }
.card-time { color: var(--text-dim); font-size: 0.7rem; white-space: nowrap; }
.card-time.unread { color: var(--unread); }

.card-bottom { display: flex; justify-content: space-between; align-items: center; }

.card-meta { display: flex; gap: 0.35rem; align-items: center; }
.badge {
  font-size: 0.6rem;
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-wa { background: #e7ffdb; color: #1d6e3a; }
.badge-email { background: #e3f2fd; color: #1565c0; }
.badge-web { background: #fff3e0; color: #e65100; }
.badge-manual { background: var(--surface); color: var(--text-dim); }
.badge-status { font-size: 0.65rem; color: var(--text-dim); }
.badge-assigned { font-size: 0.65rem; color: var(--teal); }

.card-preview {
  color: var(--text-dim);
  font-size: 0.82rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

/* Right Panel */
.panel-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--chat-bg);
}
.empty-state {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  color: var(--text-dim);
  font-size: 0.9rem;
  flex-direction: column;
  gap: 0.5rem;
}
.empty-state::before {
  content: '';
  display: block;
  width: 260px;
  height: 260px;
  background: #d4dbe0;
  border-radius: 50%;
  opacity: 0.3;
}

/* Conversation Header */
.convo-header {
  padding: 0.6rem 1rem;
  background: var(--panel-header);
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 50px;
  border-bottom: 1px solid var(--border);
}
.convo-client { display: flex; flex-direction: column; gap: 1px; }
.convo-client-name { font-weight: 400; font-size: 0.95rem; color: var(--text); }
.convo-client-info { font-size: 0.75rem; color: var(--text-dim); }
.convo-actions { display: flex; gap: 0.5rem; align-items: center; }
.convo-actions select {
  padding: 0.3rem 0.5rem;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.78rem;
  outline: none;
  cursor: pointer;
}

/* Chat Bubbles */
.messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background-color: var(--chat-bg);
  background-image: url("data:image/svg+xml,%3Csvg width='412' height='412' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cpattern id='p' width='20.6' height='20.6' patternUnits='userSpaceOnUse'%3E%3Ccircle cx='3' cy='3' r='0.8' fill='%23c9c4bc' fill-opacity='0.3'/%3E%3Ccircle cx='13' cy='10' r='0.6' fill='%23c9c4bc' fill-opacity='0.2'/%3E%3C/pattern%3E%3C/defs%3E%3Crect width='412' height='412' fill='url(%23p)'/%3E%3C/svg%3E");
}

.msg {
  max-width: 65%;
  padding: 0.4rem 0.5rem;
  border-radius: 8px;
  font-size: 0.87rem;
  line-height: 1.35;
  position: relative;
  margin-bottom: 1px;
  box-shadow: 0 1px 0.5px var(--bubble-shadow);
}
.msg-client {
  align-self: flex-start;
  background: var(--incoming);
  border-top-left-radius: 0;
}
.msg-agent {
  align-self: flex-end;
  background: var(--outgoing);
  color: var(--text);
  border-top-right-radius: 0;
}

/* Bubble tails */
.msg-client::before {
  content: '';
  position: absolute;
  top: 0;
  left: -8px;
  width: 0;
  height: 0;
  border-top: 0 solid transparent;
  border-bottom: 10px solid transparent;
  border-right: 8px solid var(--incoming);
}
.msg-agent::after {
  content: '';
  position: absolute;
  top: 0;
  right: -8px;
  width: 0;
  height: 0;
  border-top: 0 solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 8px solid var(--outgoing);
}

/* Hide tails on consecutive same-side messages */
.msg-client + .msg-client::before,
.msg-agent + .msg-agent::after { display: none; }
.msg-client + .msg-client { border-top-left-radius: 8px; }
.msg-agent + .msg-agent { border-top-right-radius: 8px; }

.msg-meta {
  font-size: 0.65rem;
  color: var(--text-dim);
  margin-top: 2px;
  display: flex;
  gap: 0.4rem;
  justify-content: flex-end;
}
.msg-channel-icon { font-size: 0.65rem; }
.msg-subject { font-weight: 500; margin-bottom: 3px; font-size: 0.8rem; color: var(--teal); }

.msg-date-sep {
  align-self: center;
  background: var(--panel-bg);
  color: var(--text-dim);
  font-size: 0.72rem;
  padding: 4px 12px;
  border-radius: 8px;
  margin: 8px 0;
  box-shadow: 0 1px 0.5px var(--bubble-shadow);
}

/* Reply Area */
.reply-area {
  padding: 0.5rem 0.75rem;
  background: var(--panel-header);
  border-top: 1px solid var(--border);
}
.reply-controls {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  align-items: center;
}
.reply-controls select,
.reply-controls input {
  padding: 0.35rem 0.6rem;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.82rem;
  outline: none;
}
.reply-controls input { flex: 1; }
.reply-controls input::placeholder { color: var(--text-dim); }
.reply-row {
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
}
.reply-row textarea {
  flex: 1;
  padding: 0.55rem 0.75rem;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  resize: none;
  min-height: 42px;
  max-height: 120px;
  font-family: inherit;
  outline: none;
  line-height: 1.35;
}
.reply-row textarea::placeholder { color: var(--text-dim); }
.reply-row button {
  width: 42px;
  height: 42px;
  background: var(--teal);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s;
}
.reply-row button:hover { background: var(--teal-dark); }
.reply-row button:disabled { opacity: 0.4; cursor: not-allowed; }

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.35);
  z-index: 100;
  justify-content: center;
  align-items: center;
}
.modal.active { display: flex; }
.modal-content {
  background: var(--panel-bg);
  padding: 1.5rem;
  border-radius: 8px;
  width: 420px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.modal-content h2 { margin-bottom: 1rem; font-size: 1.05rem; font-weight: 500; }
.modal-content form { display: flex; flex-direction: column; gap: 0.6rem; }
.modal-content input,
.modal-content textarea {
  padding: 0.55rem 0.75rem;
  background: var(--panel-bg);
  border: none;
  border-bottom: 2px solid var(--border);
  border-radius: 0;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.modal-content input:focus,
.modal-content textarea:focus { border-bottom-color: var(--teal); }
.modal-content textarea { min-height: 80px; resize: vertical; border-radius: 8px; border: 1px solid var(--border); }
.modal-actions { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 0.75rem; }
.modal-actions button {
  padding: 0.5rem 1.2rem;
  border: none;
  border-radius: 24px;
  cursor: pointer;
  font-size: 0.85rem;
  background: var(--teal);
  color: white;
  transition: background 0.15s;
}
.modal-actions button:hover { background: var(--teal-dark); }
.modal-actions .btn-muted { background: transparent; color: var(--text-dim); }
.modal-actions .btn-muted:hover { background: var(--hover); color: var(--text); }

/* Urgency Badges */
.urgency-badge {
  font-size: 0.6rem;
  padding: 1px 5px;
  border-radius: 8px;
  font-weight: 600;
  margin-left: 4px;
  vertical-align: middle;
  letter-spacing: 0.2px;
}
.urgency-green { background: #dcf8c6; color: #1d6e3a; }
.urgency-yellow { background: #fff3cd; color: #856404; }
.urgency-orange { background: #ffe0b2; color: #e65100; }
.urgency-red { background: #ffcdd2; color: #c62828; animation: pulse-urgency 2s ease-in-out infinite; }

@keyframes pulse-urgency {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Photo Lightbox */
#photo-lightbox {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 200;
  justify-content: center;
  align-items: center;
}
#photo-lightbox.active { display: flex; }
.lb-backdrop {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  opacity: 0;
  transition: opacity 0.2s ease;
}
#photo-lightbox.visible .lb-backdrop { opacity: 1; }
.lb-content {
  position: relative;
  z-index: 1;
  transform: scale(0.8);
  opacity: 0;
  transition: all 0.2s ease;
}
#photo-lightbox.visible .lb-content {
  transform: scale(1);
  opacity: 1;
}
.lb-content img {
  max-width: 80vw;
  max-height: 80vh;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.lb-close {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--panel-bg);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: background 0.15s;
}
.lb-close:hover { background: var(--hover); }

.card-avatar.has-photo { cursor: pointer; }
.card-avatar.has-photo:hover { opacity: 0.85; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.25); }