:root {
  --app-bg: #08111f;
  --sidebar-bg: #080e19;
  --panel-bg: #101b2b;
  --panel-raised: #142337;
  --workspace-text: #edf5ff;
  --workspace-muted: #9aabc1;
  --workspace-border: rgba(148, 185, 222, .16);
  --workspace-hover: rgba(148, 185, 222, .11);
  --workspace-accent: #6ae6ff;
  --workspace-blue: #438dff;
  --workspace-shadow: 0 18px 55px rgba(0, 0, 0, .28);
  color-scheme: dark;
}

* { box-sizing: border-box; }
*[hidden] { display: none !important; }
html { min-width: 320px; min-height: 100%; }
body { min-width: 320px; min-height: 100vh; margin: 0; }
button, input, textarea, select { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--workspace-accent);
  outline-offset: 2px;
}

/* Login remains the entry gate; the private conversation UI is revealed after auth. */
body:not(.workspace-mode) {
  min-height: 100vh;
  background: #0b1220;
  color: var(--workspace-text);
}
body:not(.workspace-mode) .page {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(238px, 270px) minmax(0, 1fr);
  grid-template-rows: minmax(100vh, auto) auto auto;
  align-items: stretch;
  gap: 0;
  background: var(--app-bg);
}
body:not(.workspace-mode) .intro {
  grid-column: 1;
  grid-row: 1 / span 3;
  min-height: 100vh;
  position: sticky;
  top: 0;
  align-self: start;
  padding: 25px 20px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: left;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--workspace-border);
}
body:not(.workspace-mode) .intro .brand { gap: 11px; letter-spacing: .05em; font-size: .95rem; }
body:not(.workspace-mode) .orb { flex: 0 0 auto; width: 32px; height: 32px; }
body:not(.workspace-mode) .intro h1 {
  margin: auto 0 10px;
  max-width: 220px;
  font-size: clamp(1.9rem, 2.3vw, 2.45rem);
  line-height: 1.08;
  letter-spacing: -.055em;
}
body:not(.workspace-mode) .intro p { max-width: 228px; margin: 0 0 18px; font-size: .88rem; }
body:not(.workspace-mode) .download-app { margin-top: 0; font-size: .83rem; }
body:not(.workspace-mode) .trust { grid-template-columns: 1fr; gap: 8px; margin: auto 0 0; }
body:not(.workspace-mode) .trust div { padding: 11px; }
body:not(.workspace-mode) .card {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  justify-self: center;
  width: min(500px, calc(100% - 48px));
  margin: 40px 24px;
  padding: 30px;
  border: 1px solid var(--workspace-border);
  border-radius: 20px;
  background: var(--panel-bg);
  box-shadow: var(--workspace-shadow);
}
body:not(.workspace-mode) .card:before { display: none; }
body:not(.workspace-mode) .card > * { position: relative; }
body:not(.workspace-mode) #plans { grid-column: 2; grid-row: 2; width: min(1000px, calc(100% - 48px)); justify-self: center; }
body:not(.workspace-mode) .site-footer { grid-column: 2; grid-row: 3; width: min(1000px, calc(100% - 48px)); justify-self: center; margin-top: 12px; }
body:not(.workspace-mode) .cookie-banner { z-index: 40; }

.workspace[hidden], .workspace-overlay[hidden] { display: none !important; }
.workspace {
  position: fixed;
  inset: 0;
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  overflow: hidden;
  background: var(--app-bg);
  color: var(--workspace-text);
  font: 15px/1.5 Inter, "Segoe UI", system-ui, sans-serif;
}
.workspace-sidebar {
  z-index: 5;
  min-width: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 14px 12px 12px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--workspace-border);
}
.side-brand { min-height: 46px; display: flex; align-items: center; gap: 10px; padding: 0 9px 8px; }
.side-brand strong { font-size: .95rem; letter-spacing: .08em; }
.side-brand .orb { width: 27px; height: 27px; box-shadow: 0 0 25px rgba(92,224,255,.4); }
.side-action, .side-link, .profile-button, .chat-item, .chat-menu, .quiet-button, .icon-button {
  border: 0;
  color: inherit;
  cursor: pointer;
}
.side-action {
  width: 100%; min-height: 42px; display: flex; align-items: center; gap: 11px;
  margin: 7px 0 9px; padding: 9px 12px; border: 1px solid var(--workspace-border); border-radius: 11px;
  background: transparent; text-align: left; font-weight: 600;
}
.side-action span { color: var(--workspace-accent); font-size: 1.25rem; line-height: 1; }
.side-action:hover, .side-link:hover, .profile-button:hover { background: var(--workspace-hover); }
.search-box { min-height: 40px; display: flex; align-items: center; gap: 9px; margin: 0 0 15px; padding: 0 11px; border: 1px solid transparent; border-radius: 10px; background: rgba(255,255,255,.035); color: var(--workspace-muted); }
.search-box:focus-within { border-color: var(--workspace-accent); }
.search-box > span { font-size: 1.1rem; }
.search-box input { width: 100%; min-width: 0; border: 0; outline: 0; padding: 8px 0; background: transparent; color: var(--workspace-text); font-size: .83rem; }
.search-box input:focus-visible { outline: 0; box-shadow: none; }
.search-box input::placeholder { color: var(--workspace-muted); }
.side-section { min-height: 30px; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 3px 8px; color: var(--workspace-muted); font-size: .74rem; font-weight: 650; }
.quiet-button { border-radius: 7px; padding: 4px 7px; background: transparent; color: var(--workspace-muted); font-size: .72rem; }
.quiet-button:hover { background: var(--workspace-hover); color: var(--workspace-text); }
.chat-list { flex: 1; min-height: 0; overflow: auto; scrollbar-width: thin; scrollbar-color: rgba(150,180,215,.22) transparent; }
.chat-group-title { padding: 11px 8px 5px; color: var(--workspace-muted); font-size: .72rem; font-weight: 650; }
.chat-row { position: relative; display: flex; align-items: center; margin: 1px 0; border-radius: 9px; }
.chat-row:hover, .chat-row:focus-within { background: var(--workspace-hover); }
.chat-item { flex: 1; min-width: 0; overflow: hidden; padding: 9px 9px; background: transparent; text-align: left; text-overflow: ellipsis; white-space: nowrap; font-size: .81rem; }
.chat-item.active { background: rgba(106,230,255,.09); color: #fff; }
.chat-menu { width: 31px; height: 32px; margin-right: 4px; border-radius: 7px; opacity: 0; background: transparent; font-size: 1.1rem; }
.chat-row:hover .chat-menu, .chat-menu:focus-visible { opacity: 1; }
.chat-menu:hover { background: var(--workspace-hover); }
.chat-actions { position: absolute; z-index: 10; top: 30px; right: 2px; min-width: 172px; display: grid; padding: 5px; border: 1px solid var(--workspace-border); border-radius: 11px; background: #132033; box-shadow: var(--workspace-shadow); }
.chat-actions button { width: 100%; border: 0; border-radius: 7px; padding: 9px 10px; background: transparent; color: var(--workspace-text); text-align: left; font-size: .8rem; cursor: pointer; }
.chat-actions button:hover { background: var(--workspace-hover); }
.side-spacer { flex: 0 0 10px; }
.side-link { width: 100%; display: flex; align-items: center; min-height: 38px; padding: 8px 10px; border-radius: 9px; background: transparent; text-align: left; font-size: .81rem; }
.profile-button { width: 100%; min-height: 48px; display: flex; align-items: center; gap: 10px; margin-top: 7px; padding: 7px 8px; border-top: 1px solid var(--workspace-border); border-radius: 0 0 9px 9px; background: transparent; text-align: left; }
.profile-button #profile-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .8rem; }
.avatar { width: 30px; height: 30px; flex: 0 0 30px; border: 1px solid rgba(106,230,255,.35); border-radius: 50%; background: linear-gradient(140deg,#246cad,#0b315c); color: white; font-weight: 700; cursor: pointer; }

.workspace-main { position: relative; min-width: 0; min-height: 0; display: flex; flex-direction: column; background: var(--app-bg); }
.workspace-header { z-index: 2; min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 20px; border-bottom: 1px solid rgba(148,185,222,.08); background: rgba(8,17,31,.82); }
.header-title { min-width: 0; display: flex; flex-direction: column; }
.header-title h1 { overflow: hidden; max-width: min(62vw,720px); margin: 0; font-size: .93rem; font-weight: 620; text-overflow: ellipsis; white-space: nowrap; }
#connection-status { display: inline-flex; align-items: center; gap: 6px; min-height: 18px; color: var(--workspace-muted); font-size: .69rem; }
#connection-status i { width: 7px; height: 7px; border-radius: 50%; background: #d69b46; }
#connection-status i.online { background: #4bd69e; box-shadow: 0 0 10px rgba(75,214,158,.35); }
.server-version { margin-left: auto; padding: 4px 8px; color: var(--workspace-muted); font-size: .68rem; white-space: nowrap; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-button { width: 36px; height: 36px; display: inline-grid; place-items: center; border-radius: 9px; background: transparent; color: var(--workspace-text); font-size: 1rem; }
.icon-button:hover { background: var(--workspace-hover); }
.mobile-only { display: none; }
.welcome { width: min(760px, calc(100% - 36px)); margin: auto; padding: 35px 0 24px; text-align: center; }
.welcome-orb { width: 46px; height: 46px; margin: 0 auto 19px; border-radius: 50%; background: radial-gradient(circle at 35% 28%,#e0fbff,#62dfff 30%,#1d69c4 57%,#071332 78%); box-shadow: 0 0 48px rgba(92,224,255,.32); }
.welcome h2 { margin: 0; font-size: clamp(1.55rem,3vw,2.05rem); letter-spacing: -.04em; }
.welcome p { margin: 8px 0 22px; color: var(--workspace-muted); font-size: .91rem; }
.prompt-cards { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; }
.prompt-cards button { min-height: 58px; border: 1px solid var(--workspace-border); border-radius: 13px; padding: 10px; background: rgba(17,31,50,.65); color: var(--workspace-text); text-align: left; font-size: .77rem; cursor: pointer; }
.prompt-cards button:hover { border-color: rgba(106,230,255,.45); background: var(--panel-bg); }
.messages { flex: 1; min-height: 0; width: 100%; overflow-y: auto; overscroll-behavior: contain; padding: 28px max(20px, calc((100% - 800px) / 2)) 22px; scrollbar-width: thin; scrollbar-color: rgba(150,180,215,.22) transparent; }
.message { display: flex; width: 100%; margin: 0 0 26px; }
.message.user { justify-content: flex-end; }
.bubble { max-width: min(100%,740px); min-width: 0; color: var(--workspace-text); }
.message.user .bubble { max-width: min(84%,680px); border: 1px solid rgba(106,230,255,.14); border-radius: 20px 20px 5px 20px; padding: 12px 16px; background: #152a42; }
.message-label { margin-bottom: 5px; color: var(--workspace-muted); font-size: .72rem; }
.message-body { overflow-wrap: anywhere; font-size: .94rem; line-height: 1.72; }
.message-body p { margin: 0 0 12px; }
.message-body p:last-child { margin-bottom: 0; }
.message-body h1,.message-body h2,.message-body h3 { margin: 18px 0 8px; line-height: 1.3; }
.message-body ul { margin: 8px 0 12px; padding-left: 23px; }
.table-scroll { width: 100%; overflow-x: auto; margin: 12px 0; border: 1px solid var(--workspace-border); border-radius: 10px; }
.message-body table { width: 100%; border-collapse: collapse; font-size: .84rem; }
.message-body th, .message-body td { min-width: 100px; border-bottom: 1px solid var(--workspace-border); padding: 8px 10px; text-align: left; vertical-align: top; }
.message-body th { background: rgba(106,230,255,.08); font-weight: 650; }
.message-body tr:last-child td { border-bottom: 0; }
.message-body code { border-radius: 5px; padding: 2px 5px; background: rgba(255,255,255,.09); font: .88em ui-monospace,Consolas,monospace; }
.message-body pre { position: relative; overflow: auto; margin: 12px 0; border: 1px solid var(--workspace-border); border-radius: 12px; padding: 36px 14px 14px; background: #040a12; }
.message-body pre code { display: block; padding: 0; background: none; white-space: pre; }
.message-body pre button { position: absolute; top: 6px; right: 7px; border: 1px solid var(--workspace-border); border-radius: 7px; padding: 4px 8px; background: #122136; color: var(--workspace-text); font-size: .69rem; cursor: pointer; }
.message-tools { display: flex; gap: 7px; margin-top: 9px; }
.message-tools button { border: 0; border-radius: 7px; padding: 5px 8px; background: transparent; color: var(--workspace-muted); font-size: .72rem; cursor: pointer; }
.message-tools button:hover { background: var(--workspace-hover); color: var(--workspace-text); }
.workspace-error { z-index: 2; width: min(800px, calc(100% - 32px)); margin: 0 auto 9px; border: 1px solid rgba(235,125,130,.38); border-radius: 11px; padding: 10px 12px; background: rgba(97,38,49,.35); color: #ffc3c5; font-size: .81rem; }
.composer { z-index: 2; width: min(800px, calc(100% - 32px)); margin: 8px auto 0; border: 1px solid rgba(148,185,222,.24); border-radius: 24px; padding: 12px 13px 9px; background: #111d2c; box-shadow: 0 8px 36px rgba(0,0,0,.2); }
.composer:focus-within { border-color: rgba(106,230,255,.44); }
.composer textarea { display: block; width: 100%; min-height: 39px; max-height: 190px; resize: none; overflow-y: auto; border: 0; outline: 0; padding: 6px 7px; background: transparent; color: var(--workspace-text); font-size: .93rem; line-height: 1.55; }
.composer textarea:focus-visible { outline: 0; box-shadow: none; }
.composer textarea::placeholder { color: #9aabc1; }
.composer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 3px 1px 0 7px; color: var(--workspace-muted); font-size: .68rem; }
.composer-bottom button { width: 34px; height: 34px; flex: 0 0 34px; border: 0; border-radius: 50%; background: linear-gradient(140deg,var(--workspace-accent),#65b9ff); color: #071323; font-size: 1.22rem; font-weight: 700; cursor: pointer; }
.composer-bottom button:disabled { opacity: .6; cursor: default; }
.workspace-disclaimer { min-height: 34px; display: flex; justify-content: center; align-items: center; gap: 5px; padding: 5px 12px 8px; color: var(--workspace-muted); text-align: center; font-size: .66rem; }
.workspace-disclaimer button { border: 0; padding: 2px 3px; background: transparent; color: var(--workspace-muted); text-decoration: underline; cursor: pointer; }
.workspace-overlay { position: fixed; z-index: 20; inset: 0; display: grid; place-items: center; padding: 18px; background: rgba(0,0,0,.62); }
.workspace-dialog { width: min(740px,100%); max-height: min(84vh,820px); overflow: auto; border: 1px solid var(--workspace-border); border-radius: 18px; padding: 19px; background: var(--panel-bg); box-shadow: var(--workspace-shadow); }
.workspace-dialog > header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.workspace-dialog > header h2 { margin: 0; font-size: 1.08rem; }
.workspace-dialog .plans { width: 100%; padding: 0; }
.workspace-dialog .plan-list { grid-template-columns: repeat(3,minmax(0,1fr)); }
.workspace-dialog .plan { padding: 16px; }
.workspace-dialog .plan ul { min-height: 150px; }
.workspace-dialog .legal-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.workspace-dialog .site-footer { width: 100%; padding: 0; border: 0; }
.workspace-light {
  --app-bg: #f5f7fa;
  --sidebar-bg: #edf1f6;
  --panel-bg: #fff;
  --panel-raised: #f2f6fa;
  --workspace-text: #19283a;
  --workspace-muted: #596b7f;
  --workspace-border: rgba(36,63,91,.16);
  --workspace-hover: rgba(38,76,115,.08);
  --workspace-shadow: 0 18px 55px rgba(31,57,82,.16);
  color-scheme: light;
}
.workspace-light .workspace-main, .workspace-light.workspace { background: var(--app-bg); }
.workspace-light .workspace-header { background: rgba(245,247,250,.9); }
.workspace-light .message.user .bubble { background: #e5eff7; }
.workspace-light .composer { background: #fff; box-shadow: 0 7px 28px rgba(31,57,82,.1); }
.workspace-light .message-body pre { background: #101722; color: #f1f6ff; }
.workspace-light .chat-actions { background: #fff; }
.workspace-light .chat-actions button { color: var(--workspace-text); }
.workspace-light .plan ul { color: #30445b; }
.workspace-light .plan { background: #fff; }
.workspace-light .plans-status { color: #634611; }

@media (max-width: 850px) {
  body:not(.workspace-mode) .page { grid-template-columns: 210px minmax(0,1fr); }
  body:not(.workspace-mode) .intro { padding: 22px 16px; }
  body:not(.workspace-mode) .card { width: min(480px, calc(100% - 32px)); margin-inline: 16px; }
  body:not(.workspace-mode) #plans, body:not(.workspace-mode) .site-footer { width: calc(100% - 32px); }
  .workspace { grid-template-columns: 238px minmax(0,1fr); }
  .workspace-dialog .plan-list { grid-template-columns: 1fr; }
  .workspace-dialog .plan ul { min-height: 0; }
}
@media (max-width: 640px) {
  body:not(.workspace-mode) .page { display: flex; flex-direction: column; min-height: 100svh; }
  body:not(.workspace-mode) .intro { position: static; min-height: 0; width: 100%; padding: 14px 18px; border-right: 0; border-bottom: 1px solid var(--workspace-border); }
  body:not(.workspace-mode) .intro h1, body:not(.workspace-mode) .intro p, body:not(.workspace-mode) .trust { display: none; }
  body:not(.workspace-mode) .download-app { position: absolute; top: 12px; right: 14px; margin: 0; padding: 8px 10px; font-size: .7rem; }
  body:not(.workspace-mode) .card { width: min(480px,calc(100% - 24px)); margin: auto; padding: 22px 19px; }
  body:not(.workspace-mode) #plans, body:not(.workspace-mode) .site-footer { width: calc(100% - 28px); margin: 10px auto 0; }
  .workspace { display: block; }
  .workspace-sidebar { position: fixed; inset: 0 auto 0 0; width: min(300px,86vw); transform: translateX(-105%); transition: transform .2s ease; box-shadow: var(--workspace-shadow); }
  .workspace.sidebar-open .workspace-sidebar { transform: translateX(0); }
  .workspace-main { width: 100%; height: 100%; min-height: 100svh; }
  .workspace.sidebar-open:after { content: ""; position: fixed; z-index: 4; inset: 0; background: rgba(0,0,0,.52); }
  .mobile-only { display: inline-grid; }
  .workspace-header { min-height: 54px; padding: 6px 10px; }
  .header-title h1 { max-width: 58vw; font-size: .85rem; }
  .server-version { display: none; }
  .chat-menu { opacity: 1; }
  .header-actions { gap: 3px; }
  .welcome { width: calc(100% - 26px); padding: 25px 0 18px; }
  .welcome-orb { width: 38px; height: 38px; margin-bottom: 13px; }
  .welcome p { font-size: .82rem; }
  .prompt-cards { grid-template-columns: 1fr; gap: 7px; }
  .prompt-cards button { min-height: 43px; text-align: center; }
  .messages { padding: 20px 13px 14px; }
  .message { margin-bottom: 19px; }
  .message.user .bubble { max-width: 91%; padding: 10px 13px; }
  .message-body { font-size: .9rem; }
  .composer { width: calc(100% - 16px); margin-top: 4px; border-radius: 20px; padding: 9px 10px 7px; }
  .composer textarea { font-size: 16px; }
  .composer-bottom { font-size: .61rem; }
  .workspace-disclaimer { min-height: 28px; padding: 3px 7px 6px; font-size: .59rem; }
  .workspace-dialog { padding: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}