:root {

  --bg: #f4f7fb;

  --panel: rgba(255,255,255,.78);

  --panel-solid: #ffffff;

  --panel-2: #eef2f7;

  --text: #111827;

  --text-soft: #6b7280;

  --border: rgba(15,23,42,.08);

  --primary: #6366f1;

  --primary-hover: #5558e8;

  --danger: #ef4444;

  --success: #10b981;

  --warning: #f59e0b;

  --radius: 22px;

  --radius-sm: 16px;

  --topbar-height: 82px;

  --shadow:
    0 10px 30px rgba(15,23,42,.08);

  --shadow-heavy:
    0 20px 60px rgba(15,23,42,.12);

  --blur: blur(18px);
}

body.dark {

  --bg: #0b1118;

  --panel: rgba(22,27,34,.72);

  --panel-solid: #161b22;

  --panel-2: #1f2630;

  --text: #f3f4f6;

  --text-soft: #9ca3af;

  --border: rgba(255,255,255,.08);

  --primary: #7c82ff;

  --primary-hover: #969bff;

  --shadow:
    0 10px 40px rgba(0,0,0,.4);

  --shadow-heavy:
    0 25px 70px rgba(0,0,0,.5);
}

* {

  box-sizing: border-box;
}

html,
body {

  width: 100%;
  height: 100%;
}

body {

  margin: 0;

  background:
    radial-gradient(
      circle at top left,
      rgba(99,102,241,.12),
      transparent 30%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(59,130,246,.10),
      transparent 35%
    ),
    var(--bg);

  color: var(--text);

  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;

  overflow: hidden;

  -webkit-font-smoothing: antialiased;

  text-rendering: optimizeLegibility;
}

body.dark {

  background:
    radial-gradient(
      circle at top left,
      rgba(124,130,255,.12),
      transparent 28%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(59,130,246,.08),
      transparent 35%
    ),
    var(--bg);
}

button,
input,
textarea,
select {

  font: inherit;
}

button {

  border: 1px solid var(--border);

  background: var(--panel-solid);

  color: var(--text);

  border-radius: 16px;

  padding: 12px 18px;

  font-weight: 600;

  cursor: pointer;

  transition:
    transform .18s ease,
    background .2s ease,
    border-color .2s ease,
    color .2s ease,
    opacity .2s ease,
    box-shadow .2s ease;

  box-shadow:
    0 4px 12px rgba(0,0,0,.04);
}

button:hover {

  transform: translateY(-1px);

  border-color:
    rgba(99,102,241,.35);
}

button:active {

  transform: translateY(0);
}

button:disabled {

  opacity: .55;

  cursor: not-allowed;

  transform: none;
}

button[type=submit],
#assignButton,
.settings-tabs button.active {

  background:
    linear-gradient(
      135deg,
      var(--primary),
      #4f46e5
    );

  border-color: transparent;

  color: white;

  box-shadow:
    0 10px 25px rgba(99,102,241,.25);
}

button[type=submit]:hover,
#assignButton:hover,
.settings-tabs button.active:hover {

  background:
    linear-gradient(
      135deg,
      var(--primary-hover),
      #4f46e5
    );
}

input,
textarea,
select {

  width: 100%;

  border:
    1px solid transparent;

  border-radius: 16px;

  padding: 13px 15px;

  background: var(--panel-2);

  color: var(--text);

  transition:
    border-color .2s ease,
    box-shadow .2s ease,
    background .2s ease;

  min-height: 48px;
}
/* FIX CHECKBOXES */

input[type=checkbox] {

  width: 18px;

  height: 18px;

  min-height: 18px;

  padding: 0;

  margin: 0;

  flex-shrink: 0;

  accent-color: var(--primary);
}
input::placeholder,
textarea::placeholder {

  color: var(--text-soft);
}

input:focus,
textarea:focus,
select:focus {

  outline: none;

  border-color: var(--primary);

  box-shadow:
    0 0 0 4px rgba(99,102,241,.14);
}

textarea {

  resize: vertical;

  min-height: 120px;
}

a {

  color: var(--primary);

  text-decoration: none;
}

a:hover {

  text-decoration: underline;
}

h1,
h2,
h3,
h4 {

  margin: 0;
}

h2 {

  font-size: 16px;

  font-weight: 700;
}

.small {

  font-size: 12px;

  color: var(--text-soft);

  overflow-wrap: anywhere;
}

.error {

  color: #ef4444;

  min-height: 20px;
}

.success {

  color: #10b981;

  min-height: 20px;
}

/* LOGIN */

.login-view {

  min-height: 100vh;

  display: grid;

  place-items: center;

  padding: 24px;
}

.login-card,
.auth-card {

  width: min(430px,100%);

  background: var(--panel);

  backdrop-filter: var(--blur);

  border:
    1px solid var(--border);

  border-radius: 30px;

  padding: 30px;

  box-shadow: var(--shadow-heavy);
}

.login-card h1 {

  margin-bottom: 18px;

  font-size: 30px;

  font-weight: 800;
}

.login-card label,
.auth-panel label {

  display: block;

  margin-bottom: 14px;

  font-weight: 600;
}

.login-card input,
.auth-panel input {

  margin-top: 8px;
}

.login-card button {

  width: 100%;

  margin-top: 10px;
}

.auth-links {

  display: flex;

  gap: 12px;

  justify-content: center;

  margin-top: 18px;
}

.auth-tabs {

  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 10px;

  margin-bottom: 18px;
}

/* APP */

.app {

  height: 100vh;

  display: grid;

  grid-template-columns:
    340px
    minmax(0,1fr)
    370px;

  grid-template-rows:
    var(--topbar-height)
    minmax(0,1fr);

  grid-template-areas:
    "top top top"
    "left main right";

  gap: 18px;

  padding: 18px;
  overflow-y:scroll;
}

/* TOPBAR */

.topbar {

  grid-area: top;

  display: flex;

  align-items: center;

  justify-content: space-between;

  padding: 0 24px;

  background: var(--panel);

  backdrop-filter: var(--blur);

  border:
    1px solid var(--border);

  border-radius: 28px;

  box-shadow: var(--shadow);
}

.topbar strong {

  font-size: 18px;

  font-weight: 800;

  letter-spacing: -.02em;
}

.top-actions {

  display: flex;

  gap: 10px;

  align-items: center;

  flex-wrap: wrap;
}
.mobile-toggle {

  display: none;
}
/* PANELS */

.conversation-pane,
.chat-pane,
.settings-pane {

  background: var(--panel);

  backdrop-filter: var(--blur);

  border:
    1px solid var(--border);

  border-radius: 28px;

  box-shadow: var(--shadow);

  overflow: hidden;

  min-height: 700px;
}

/* CONVERSATION SIDEBAR */

.conversation-pane {

  grid-area: left;

  min-width: 0;

  display: flex;

  flex-direction: column;
}

.pane-head {

  display: flex;

  align-items: center;

  justify-content: space-between;

  padding: 18px 18px 16px;

  border-bottom:
    1px solid var(--border);
}

.conversation-list {

  flex: 1;

  min-height: 0;

  overflow-y: auto;

  overflow-x: hidden;

  padding: 14px;
}
#dismissedPanel {

  flex-shrink: 0;

  background: var(--panel);

  border-top:
    1px solid var(--border);
}
.conversation-item {

  width: 100%;

  text-align: left;

  border:
    1px solid transparent;

  background: transparent;

  border-radius: 22px;

  padding: 14px;

  margin-bottom: 10px;

  transition:
    transform .18s ease,
    background .2s ease,
    border-color .2s ease,
    box-shadow .2s ease;
}

.conversation-item:hover {

  background: var(--panel-2);

  transform: translateY(-2px);
}

.conversation-item.active {

  background:
    linear-gradient(
      135deg,
      rgba(99,102,241,.16),
      rgba(59,130,246,.10)
    );

  border-color:
    rgba(99,102,241,.22);

  box-shadow:
    0 8px 24px rgba(99,102,241,.12);
}

.conversation-title {

  display: flex;

  justify-content: space-between;

  align-items: flex-start;

  gap: 10px;

  font-weight: 700;
}

.conversation-statuses {

  display: flex;

  flex-wrap: wrap;

  justify-content: flex-end;

  gap: 6px;

  flex-shrink: 0;
}

.conversation-meta {

  margin-top: 6px;

  color: var(--text-soft);

  font-size: 12px;

  overflow: hidden;

  text-overflow: ellipsis;

  white-space: nowrap;
}

/* STATUS */

.status {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  min-height: 24px;

  padding: 0 10px;

  border-radius: 999px;

  font-size: 11px;

  font-weight: 700;

  text-transform: uppercase;

  letter-spacing: .04em;

  background: var(--panel-2);
}

.status.handoff_requested {

  background: rgba(245,158,11,.18);

  color: #b45309;
}

.status.closed {

  background: rgba(239,68,68,.16);

  color: #dc2626;
}

.status.visitor-presence {

  background: rgba(100,116,139,.14);

  color: var(--text-soft);
}

.status.visitor-presence.chat_opened {

  background: rgba(16,185,129,.16);

  color: #059669;
}

.status.visitor-presence.connected_chat_closed {

  background: rgba(59,130,246,.14);

  color: #2563eb;
}

.status.visitor-presence.typing {

  background: rgba(245,158,11,.18);

  color: #b45309;
}

.status.visitor-presence.offline {

  background: rgba(100,116,139,.14);

  color: var(--text-soft);
}

/* CHAT */

.chat-pane {

  grid-area: main;

  min-width: 0;

  display: flex;

  flex-direction: column;

  position: relative;
}

.chat-header {

  min-height: 74px;

  display: flex;

  align-items: center;

  padding: 18px 22px;

  border-bottom:
    1px solid var(--border);

  font-size: 16px;

  font-weight: 700;
}

.chat-customer {

  padding:
    14px 22px;

  border-bottom:
    1px solid var(--border);

  background:
    rgba(255,255,255,.22);
}

body.dark .chat-customer {

  background:
    rgba(255,255,255,.02);
}

.chat-customer-name {

  font-size: 15px;

  font-weight: 700;
}

.chat-customer-email {

  margin-top: 4px;

  font-size: 13px;

  color: var(--text-soft);

  user-select: all;

  cursor: text;
}

.chat-customer-meta {

  margin-top: 5px;

  font-size: 12px;

  color: var(--text-soft);
}

.message-list {

  flex: 1;

  min-height: 0;

  overflow-y: auto;

  overflow-x: hidden;

  padding: 20px;
}

.message {

  max-width: 78%;

  margin-bottom: 16px;

  padding: 14px 16px;

  border-radius: 22px;

  overflow-wrap: anywhere;

  white-space: pre-wrap;

  line-height: 1.55;

  border:
    1px solid transparent;

  box-shadow:
    0 6px 18px rgba(0,0,0,.05);
}

.message-meta {

  display: block;

  margin-bottom: 6px;

  font-size: 11px;

  font-weight: 700;

  text-transform: uppercase;

  letter-spacing: .04em;

  opacity: .7;
}

.message.visitor {

  margin-left: auto;

  background:
    linear-gradient(
      135deg,
      var(--primary),
      #4f46e5
    );

  color: white;
}

.message.agent {

  background: var(--panel-2);
}

.message.ai {

  background:
    rgba(99,102,241,.08);

  border-color:
    rgba(99,102,241,.18);
}

.message.system {

  max-width: 100%;

  margin-inline: auto;

  text-align: center;

  background: transparent;

  color: var(--text-soft);

  box-shadow: none;
}

/* MESSAGE INPUTS */

.reply-row,
.file-row {

  display: flex;

  gap: 10px;

  padding: 16px 18px;

  background:
    rgba(255,255,255,.45);

  backdrop-filter: blur(12px);

  border-top:
    1px solid var(--border);
}

body.dark .reply-row,
body.dark .file-row {

  background:
    rgba(22,27,34,.5);
}

.reply-row input,
.file-row input {

  flex: 1;
}

/* SETTINGS */

.settings-pane {

  grid-area: right;

  overflow-y: auto;

  overflow-x: hidden;

  padding: 16px;

  display: flex;

  flex-direction: column;

  align-items: stretch;
}
.settings-pane > section {

  width: 100%;

  display: block;

  clear: both;
}

.settings-tabs {

  display: grid;

  grid-template-columns:
    repeat(2, minmax(0,1fr));

  gap: 10px;

  position: sticky;

  top: 0;

  z-index: 5;

  width: 100%;

  flex-shrink: 0;

  background: var(--panel);

  padding-bottom: 14px;

  margin-bottom: 18px;
}

.settings-pane section {

  padding-bottom: 18px;

  margin-bottom: 18px;

  border-bottom:
    1px solid var(--border);
}

.settings-pane section:last-child {

  border-bottom: 0;

  margin-bottom: 0;
}
/* CONTROL SPACING */

.settings-pane section button,
.settings-pane section select {

  margin-top: 10px;
}
#assignButton,
#transferUser,
#transferButton,
#transcriptButton,
#closeButton {

  width: 100%;
}
.settings-form,
.knowledge-form {

  display: grid;

  gap: 10px;

  margin-top: 12px;
}

.settings-form label {

  display: flex;

  align-items: center;

  gap: 10px;

  color: var(--text);

  font-size: 14px;

  line-height: 1.4;
}
/* STACK NORMAL INPUT LABELS */

.settings-form label:has(input:not([type=checkbox])),
.settings-form label:has(select),
.settings-form label:has(textarea) {

  display: flex;

  flex-direction: column;

  align-items: stretch;
}
.settings-form label input[type=checkbox] {

  width: auto;

  margin-right: 8px;
}

.website-list,
.knowledge-list {

  display: grid;

  gap: 10px;

  margin-top: 14px;
}

.website,
.knowledge {

  border:
    1px solid var(--border);

  border-radius: 18px;

  padding: 12px;

  background: var(--panel-2);
}

.snippet {

  margin-top: 8px;

  border:
    1px solid var(--border);

  border-radius: 14px;

  background: var(--panel-solid);

  padding: 10px;

  font:
    12px
    ui-monospace,
    SFMono-Regular,
    Consolas,
    monospace;

  white-space: pre-wrap;

  overflow-wrap: anywhere;
}

/* THEME BUTTON */

#themeToggle {

  min-width: 110px;
}

/* SCROLLBARS */

::-webkit-scrollbar {

  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-thumb {

  background:
    rgba(100,116,139,.35);

  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {

  background:
    rgba(100,116,139,.55);
}

/* GLOBAL TRANSITIONS */

* {

  transition:
    background .2s ease,
    border-color .2s ease,
    color .2s ease;
}
/* SMALL LAPTOPS */
@media (max-width: 1400px) {

  .app {

    grid-template-columns:
      280px
      minmax(0,1fr);

    grid-template-areas:
      "top top"
      "left main";
  }
    .top-actions button {

    padding: 10px 14px;

    font-size: 13px;
  }
  .settings-pane {

    position: fixed;

    top: 18px;

    right: 18px;

    bottom: 18px;

    width: 340px;

    z-index: 130;

    transform: translateX(110%);

    transition: transform .25s ease;

    display: block;
  }

  .settings-pane.open {

    transform: translateX(0);
  }

  .mobile-toggle {

    display: inline-flex;

    align-items: center;

    justify-content: center;
  }

  .chat-pane {

    min-width: 0;
  }

  .conversation-pane {

    min-width: 260px;
  }
}
/* TABLET */
@media (max-width: 1100px) {

  .app {

    grid-template-columns:
      300px
      minmax(0,1fr);

    grid-template-areas:
      "top top"
      "left main";
  }

  .settings-pane {

    position: fixed;

    top: 18px;

    right: 18px;

    bottom: 18px;

    width: 340px;

    z-index: 130;

    transform: translateX(110%);

    transition: transform .25s ease;

    display: block;
  }

  .settings-pane.open {

    transform: translateX(0);
  }

  .mobile-toggle {

    display: inline-flex;

    align-items: center;

    justify-content: center;
  }
}

/* MOBILE */

@media (max-width: 900px) {

  body {

    overflow: hidden;
  }

  .app {

    height: 100vh;

    grid-template-columns: 1fr;

    grid-template-rows:
      auto
      minmax(0,1fr);

    grid-template-areas:
      "top"
      "main";

    gap: 10px;

    padding: 10px;
  }

  .topbar {

    flex-wrap: wrap;

    height: auto;

    padding: 14px;

    gap: 10px;
  }

  .top-actions {

    width: 100%;

    flex-wrap: wrap;

    gap: 8px;
  }

  .top-actions button {

    flex: 1;

    min-height: 42px;
  }

  .conversation-pane {

    position: fixed;

    top: 10px;

    left: 10px;

    bottom: 10px;

    width: 320px;

    z-index: 120;

    transform:
      translateX(-110%);

    transition:
      transform .25s ease;
  }

  .conversation-pane.open {

    transform:
      translateX(0);
  }

  .settings-pane {

    position: fixed;

    top: 10px;

    right: 10px;

    bottom: 10px;

    width: 320px;

    z-index: 130;

    transform:
      translateX(110%);

    transition:
      transform .25s ease;

    display: block;
  }

  .settings-pane.open {

    transform:
      translateX(0);
  }

  .chat-pane {

    height: 100%;

    min-height: 0;
  }

  .message {

    max-width: 95%;
  }

  .reply-row,
  .file-row {

    padding: 10px;

    gap: 8px;
  }
}

/* SMALL MOBILE */

@media (max-width: 560px) {

  .topbar {

    flex-direction: column;

    align-items: stretch;

    justify-content: center;

    gap: 10px;

    height: auto;

    padding:
      14px;
  }

  .top-actions {

    width: 100%;
  }

  .top-actions button {

    flex: 1;
  }

  .reply-row,
  .file-row {

    flex-direction: column;
  }

  .reply-row button,
  .file-row button {

    width: 100%;
  }

  .message {

    max-width: 100%;
  }

  .chat-header,
  .chat-customer {

    padding-inline: 16px;
  }

  .message-list {

    padding: 14px;
  }
}
/* SHORT HEIGHT LAPTOPS */

@media (max-height: 820px) {

  .topbar {

    padding: 0 16px;
  }

  .chat-header {

    min-height: 58px;

    padding: 12px 18px;
  }

  .chat-customer {

    padding: 10px 18px;
  }

  .chat-customer-meta {

    display: none;
  }

  .message-list {

    padding: 14px;
  }

  .reply-row,
  .file-row {

    padding: 10px 12px;
  }

  input,
  textarea,
  select {

    min-height: 42px;
  }

  button {

    padding: 10px 14px;
  }
}
/* MOBILE OVERLAY */

.mobile-overlay {

  position: fixed;

  inset: 0;

  background:
    rgba(0,0,0,.45);

  backdrop-filter:
    blur(4px);

  opacity: 0;

  pointer-events: none;

  transition:
    .25s ease;

  z-index: 110;
}

.mobile-overlay.show {

  opacity: 1;

  pointer-events: auto;
}

/* DESKTOP RESET */

@media (min-width: 1401px) {

  .conversation-pane,
  .settings-pane {

    position: relative !important;

    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;

    width: auto !important;
    height: auto !important;

    transform: none !important;

    display: flex !important;

    visibility: visible !important;

    z-index: auto !important;
  }

  .conversation-pane {

    grid-area: left !important;
  }

  .settings-pane {

    grid-area: right !important;
  }

  .mobile-overlay {

    opacity: 0 !important;

    pointer-events: none !important;

    display: none !important;
  }

  .mobile-toggle {

    display: none !important;
  }
}