:root {
  color-scheme: dark;
  --bg: #06101c;
  --panel: rgba(11, 24, 39, 0.78);
  --panel-strong: #0d1b2c;
  --line: rgba(151, 179, 205, 0.14);
  --text: #edf6ff;
  --muted: #8295a8;
  --cyan: #45d9ff;
  --blue: #478bff;
  --green: #55e6a5;
  --danger: #ff758f;
  font-family:
    Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 0%, rgba(31, 102, 160, 0.17), transparent 34rem),
    linear-gradient(145deg, #050b14, var(--bg) 48%, #071525);
  color: var(--text);
}

button, textarea { font: inherit; }
button { color: inherit; }

.ambient {
  position: fixed;
  width: 28rem;
  height: 28rem;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.12;
  pointer-events: none;
}
.ambient-one { top: -10rem; right: -8rem; background: var(--cyan); }
.ambient-two { bottom: -14rem; left: 20%; background: var(--blue); }

.shell {
  position: relative;
  width: min(1440px, 100%);
  min-height: 100vh;
  margin: auto;
  padding: 0 28px 28px;
}

.topbar {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark, .avatar {
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--cyan), var(--blue));
  color: #03101c;
  font-weight: 900;
  box-shadow: 0 0 28px rgba(69, 217, 255, 0.24);
}
.brand-mark { width: 42px; height: 42px; border-radius: 13px; font-size: 1.3rem; }
.brand h1 { margin: 0; letter-spacing: 0.18em; font-size: 1.05rem; }
.brand p { margin: 4px 0 0; color: var(--muted); font-size: 0.72rem; }

.connection {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.82rem;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #6d7781;
}
.status-dot.online { background: var(--green); box-shadow: 0 0 12px var(--green); }
.status-dot.warning { background: #ffc766; box-shadow: 0 0 12px #ffc766; }
.logout-button {
  margin-left: 7px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-size: 0.7rem;
  cursor: pointer;
}
.account-menu { position: relative; margin-left: 7px; }
.account-menu summary {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: #d8e7f4;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.account-menu summary::-webkit-details-marker { display: none; }
.account-avatar { color: var(--cyan); font-size: 0.62rem; }
.account-chevron { color: var(--muted); transition: transform 0.18s ease; }
.account-menu[open] .account-chevron { transform: rotate(180deg); }
.account-submenu {
  position: absolute;
  z-index: 20;
  top: calc(100% + 9px);
  right: 0;
  width: 190px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(8, 20, 34, 0.98);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.38);
}
.account-identity {
  display: grid;
  gap: 3px;
  padding: 9px 10px 11px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 5px;
}
.account-identity small { color: var(--muted); font-size: 0.66rem; }
.account-identity strong { color: var(--text); font-size: 0.82rem; }
.account-submenu button {
  width: 100%;
  padding: 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: #c8d7e4;
  text-align: left;
  cursor: pointer;
}
.account-submenu button:hover { background: rgba(69, 217, 255, 0.08); color: white; }

.workspace {
  height: calc(100vh - 116px);
  min-height: 0;
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 18px;
  padding-top: 20px;
  overflow: hidden;
}

.control-panel, .chat-panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.22);
}

.control-panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 24px 18px;
}
.section-heading, .chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.section-heading { padding: 0 6px 20px; }
.eyebrow {
  color: var(--cyan);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}
h2 { margin: 5px 0 0; font-size: 1.24rem; }
.icon-button, .text-button {
  border: 0;
  background: transparent;
  cursor: pointer;
}
.panel-actions { display: flex; gap: 7px; }
.icon-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--cyan);
  font-size: 1.2rem;
}
.text-button { color: var(--muted); font-size: 0.75rem; }

.device-list {
  min-height: 0;
  display: grid;
  align-content: start;
  gap: 10px;
  overflow-y: auto;
  padding-right: 3px;
  scrollbar-color: #20364d transparent;
}
.device-group-heading {
  margin: 12px 4px 1px;
  color: #8da2b5;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.device-group-heading:first-child { margin-top: 0; }
.device {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
}
.device-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: rgba(69, 217, 255, 0.09);
  color: var(--cyan);
}
.device h3 { margin: 0; font-size: 0.88rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.device p { margin: 4px 0 0; color: var(--muted); font-size: 0.7rem; }
.toggle {
  width: 42px;
  height: 24px;
  padding: 3px;
  border: 0;
  border-radius: 20px;
  background: #243346;
  cursor: pointer;
  transition: 180ms ease;
}
.toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #a9b7c5;
  transition: 180ms ease;
}
.toggle.on { background: linear-gradient(90deg, var(--blue), var(--cyan)); }
.toggle.on::after { transform: translateX(18px); background: white; }
.toggle:disabled { opacity: 0.45; cursor: wait; }

.notice {
  margin-bottom: 12px;
  padding: 13px;
  border: 1px solid rgba(255, 199, 102, 0.24);
  border-radius: 13px;
  color: #ffd994;
  background: rgba(255, 199, 102, 0.07);
  font-size: 0.76rem;
  line-height: 1.5;
}
.hidden { display: none; }
.skeleton {
  height: 70px;
  border-radius: 16px;
  background: linear-gradient(90deg, #101f31, #152a40, #101f31);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

.chat-panel {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(300px, 1fr) auto auto auto;
  padding: 26px 28px 18px;
}
.chat-header { padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.messages {
  min-height: 0;
  overflow-y: auto;
  padding: 24px 6px;
  scrollbar-color: #20364d transparent;
}
.message {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin-bottom: 18px;
}
.message.user { justify-content: flex-end; }
.avatar { flex: 0 0 30px; width: 30px; height: 30px; border-radius: 10px; font-size: 0.75rem; }
.bubble {
  max-width: min(680px, 82%);
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 17px 17px 17px 5px;
  background: var(--panel-strong);
  line-height: 1.55;
  font-size: 0.9rem;
}
.bubble > p { margin: 0; }
.assistant .bubble > p:first-child { color: #f1f8ff; font-weight: 700; }
.bubble > p + p, .bubble > p + .message-list, .bubble > .message-list + p {
  margin-top: 10px;
}
.status-bubble { padding: 12px 13px; }
.status-summary {
  display: grid;
  gap: 4px;
  padding: 1px 2px 8px;
}
.status-summary > span {
  color: var(--cyan);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.11em;
}
.status-summary > p {
  margin: 0;
  color: #e8f3fc;
  font-size: 0.82rem;
  font-weight: 650;
  line-height: 1.5;
  white-space: pre-line;
}
.message-list {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}
.message-list li {
  position: relative;
  padding: 9px 11px 9px 34px;
  border: 1px solid rgba(151, 179, 205, 0.12);
  border-radius: 10px;
  background: rgba(69, 217, 255, 0.035);
  color: #d9e8f5;
}
ul.message-list li::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 14px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 9px rgba(69, 217, 255, 0.55);
  transform: translateY(-50%);
}
ol.message-list { counter-reset: result-item; }
ol.message-list li { counter-increment: result-item; }
ol.message-list li::before {
  content: counter(result-item);
  position: absolute;
  top: 50%;
  left: 11px;
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border-radius: 5px;
  background: rgba(69, 217, 255, 0.14);
  color: var(--cyan);
  font-size: 0.62rem;
  font-weight: 900;
  transform: translateY(-50%);
}
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 6px;
  margin-top: 8px;
}
.result-card {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  border: 1px solid rgba(151, 179, 205, 0.13);
  border-radius: 11px;
  background: rgba(69, 217, 255, 0.035);
}
.result-card.metric {
  min-height: 58px;
  gap: 7px;
  padding: 7px 8px;
  background: linear-gradient(145deg, rgba(20, 39, 57, 0.94), rgba(10, 25, 40, 0.96));
}
.result-card.metric .result-card-icon {
  flex-basis: 24px;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  font-size: 0.82rem;
  border: 1px solid currentColor;
  background: rgba(255, 255, 255, 0.03);
}
.result-card.metric-on { border-color: rgba(76, 225, 161, 0.32); }
.result-card.metric-on .result-card-icon { color: var(--green); }
.result-card.metric-off .result-card-icon { color: #8394a4; }
.result-card.metric-unavailable { border-color: rgba(255, 199, 102, 0.34); }
.result-card.metric-unavailable .result-card-icon { color: #ffc766; }
.result-card.metric-temperature { border-color: rgba(255, 135, 104, 0.32); }
.result-card.metric-temperature .result-card-icon { color: #ff987c; }
.result-card.metric-humidity { border-color: rgba(69, 217, 255, 0.32); }
.result-card.metric-humidity .result-card-icon { color: var(--cyan); }
.result-card.insight {
  min-height: 58px;
  padding: 7px 8px;
  border-color: rgba(255, 199, 102, 0.24);
  background: linear-gradient(145deg, rgba(45, 38, 24, 0.72), rgba(17, 29, 39, 0.94));
}
.result-card.insight .result-card-icon {
  flex-basis: 24px;
  width: 24px;
  height: 24px;
  color: #ffc766;
}
.result-card.insight .result-card-copy strong { color: #fff0c9; font-size: 0.72rem; }
.result-card.insight .result-card-copy small {
  font-family: inherit;
  font-size: 0.58rem;
  line-height: 1.3;
  white-space: normal;
}
.result-card-icon {
  flex: 0 0 28px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: rgba(69, 217, 255, 0.1);
  color: var(--cyan);
  font-size: 0.74rem;
}
.result-card-copy { min-width: 0; display: grid; }
.result-card-copy strong {
  overflow: hidden;
  color: #e5f2fc;
  font-size: 0.75rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.result-card-copy small {
  margin-top: 2px;
  overflow: hidden;
  color: #647b90;
  font-family: ui-monospace, monospace;
  font-size: 0.55rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.result-card.metric .result-card-copy strong { font-size: 0.72rem; }
.result-card.metric .result-card-copy small {
  display: -webkit-box;
  margin-top: 1px;
  overflow: hidden;
  font-family: inherit;
  font-size: 0.58rem;
  line-height: 1.3;
  white-space: normal;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.user .bubble {
  border: 0;
  border-radius: 17px 17px 5px 17px;
  background: linear-gradient(135deg, #19669a, #265cc0);
}
.bubble.error { color: #ffb4c1; border-color: rgba(255, 117, 143, 0.28); }
.progress-message .bubble { color: #b6c9da; }
.progress-message .bubble::after {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-left: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 9px var(--cyan);
  animation: pulse 900ms ease-in-out infinite alternate;
}
@keyframes pulse {
  from { opacity: 0.25; transform: scale(0.75); }
  to { opacity: 1; transform: scale(1.2); }
}
.task-meta {
  width: fit-content;
  margin-top: 10px;
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #7890a5;
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.63rem;
}
.confirm-button {
  margin-top: 10px;
  padding: 7px 12px;
  border: 1px solid rgba(69, 217, 255, 0.35);
  border-radius: 9px;
  background: rgba(69, 217, 255, 0.08);
  color: var(--cyan);
  cursor: pointer;
}

.suggestions { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 14px; }
.suggestion-label {
  flex: 0 0 auto;
  align-self: center;
  color: var(--muted);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
}
.suggestions button {
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: #a4b4c4;
  font-size: 0.73rem;
  cursor: pointer;
}
.suggestions button:hover { border-color: rgba(69, 217, 255, 0.35); color: var(--cyan); }

.composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  align-items: end;
  gap: 10px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(4, 12, 21, 0.66);
}
textarea {
  max-height: 130px;
  resize: none;
  padding: 10px 11px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  line-height: 1.4;
}
textarea::placeholder { color: #607385; }
#send-button {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 13px;
  background: linear-gradient(145deg, var(--cyan), var(--blue));
  color: #06111d;
  font-size: 1.3rem;
  font-weight: 800;
  cursor: pointer;
}
#send-button:disabled { opacity: 0.45; cursor: wait; }
.disclaimer { margin: 9px 0 0; text-align: center; color: #56697b; font-size: 0.65rem; }

.login-body { display: grid; place-items: center; }
.login-shell {
  position: relative;
  width: min(100%, 460px);
  padding: 24px;
}
.login-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--panel);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.34);
}
.login-brand { display: flex; align-items: center; gap: 14px; }
.login-brand h1 { margin: 4px 0 0; font-size: 1.12rem; letter-spacing: 0.17em; }
.login-copy { margin: 42px 0 25px; }
.login-copy h2 { font-size: 1.4rem; }
.login-copy p { margin: 8px 0 0; color: var(--muted); font-size: 0.82rem; }
.login-form { display: grid; gap: 17px; }
.login-form label { display: grid; gap: 8px; color: #a8b8c8; font-size: 0.75rem; }
.login-form input {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
  background: rgba(4, 12, 21, 0.72);
  color: var(--text);
  font: inherit;
}
.login-form input:focus {
  border-color: rgba(69, 217, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(69, 217, 255, 0.08);
}
#login-button {
  margin-top: 5px;
  padding: 13px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--cyan), var(--blue));
  color: #06111d;
  font-weight: 800;
  cursor: pointer;
}
#login-button:disabled { opacity: 0.5; cursor: wait; }
.login-error { margin: -4px 0 0; color: #ff9caf; font-size: 0.75rem; }
.login-footnote { margin: 28px 0 0; text-align: center; color: #516476; font-size: 0.65rem; }

.password-dialog {
  width: min(440px, calc(100% - 28px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: #0b1929;
  color: var(--text);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.55);
}
.password-dialog::backdrop {
  background: rgba(2, 8, 15, 0.86);
}
.password-form { display: grid; gap: 17px; padding: 28px; }
.dialog-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 8px;
}
.dialog-close {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  font-size: 1.25rem;
  cursor: pointer;
}
.password-form label { display: grid; gap: 8px; color: #a8b8c8; font-size: 0.75rem; }
.password-form input {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
  background: rgba(4, 12, 21, 0.72);
  color: var(--text);
  font: inherit;
}
.password-form input:focus {
  border-color: rgba(69, 217, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(69, 217, 255, 0.08);
}
.password-form small { color: var(--muted); font-size: 0.68rem; }
#password-submit {
  padding: 13px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--cyan), var(--blue));
  color: #06111d;
  font-weight: 800;
  cursor: pointer;
}
#password-submit:disabled { opacity: 0.5; cursor: wait; }

.settings-dialog {
  width: min(760px, calc(100% - 28px));
  max-height: min(88vh, 860px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 23px;
  background: #0b1929;
  color: var(--text);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.55);
}
.settings-dialog::backdrop {
  background: rgba(2, 8, 15, 0.86);
}
.settings-content { padding: 28px; }
.settings-section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.settings-section-title h3 { margin: 0; font-size: 0.95rem; }
.settings-section-title span { color: var(--muted); font-size: 0.7rem; }
.group-manager {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.group-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px;
  gap: 8px;
}
.group-form input, .group-row input, .device-search, .settings-device select {
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: 0;
  background: rgba(4, 12, 21, 0.72);
  color: var(--text);
}
.group-form button, .group-row button {
  border: 1px solid rgba(69, 217, 255, 0.28);
  border-radius: 10px;
  background: rgba(69, 217, 255, 0.07);
  color: var(--cyan);
  cursor: pointer;
}
.group-list { display: grid; gap: 7px; margin-top: 10px; }
.group-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 58px 58px;
  gap: 7px;
}
.group-row .danger-button {
  border-color: rgba(255, 117, 143, 0.22);
  background: rgba(255, 117, 143, 0.06);
  color: #ff9caf;
}
.device-manager { padding-top: 22px; }
.device-search { width: 100%; margin-bottom: 10px; }
.settings-device-list {
  display: grid;
  gap: 7px;
  max-height: 340px;
  overflow-y: auto;
  padding-right: 3px;
}
.settings-device {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) 140px;
  align-items: center;
  gap: 10px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
}
.settings-device > input {
  width: 17px;
  height: 17px;
  accent-color: var(--cyan);
}
.settings-device h4 { margin: 0; font-size: 0.8rem; }
.settings-device p {
  margin: 4px 0 0;
  color: var(--muted);
  font-family: ui-monospace, monospace;
  font-size: 0.62rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.settings-device select { width: 100%; font-size: 0.72rem; }
.settings-device[hidden] { display: none; }
.settings-empty { margin: 8px 0; color: var(--muted); font-size: 0.75rem; }
.feedback-button {
  margin-top: 8px;
  padding: 4px 8px;
  border: 1px solid rgba(145, 167, 190, 0.2);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 0.65rem;
  cursor: pointer;
}
.feedback-button:disabled { cursor: default; opacity: 0.7; }
.improvement-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.improvement-toolbar label { display: grid; gap: 5px; color: var(--muted); font-size: 0.7rem; }
.improvement-toolbar select, .improvement-toolbar button, .improvement-card select {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(4, 12, 21, 0.72);
  color: var(--text);
}
.improvements-list { display: grid; gap: 10px; max-height: 62vh; overflow-y: auto; }
.improvement-card {
  display: grid;
  gap: 9px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.025);
}
.improvement-card-header { display: flex; align-items: center; gap: 8px; }
.improvement-card-header small { color: var(--muted); font-size: 0.62rem; }
.improvement-card > strong { font-size: 0.82rem; }
.improvement-card p { margin: 0; color: #9eb0c1; font-size: 0.72rem; line-height: 1.55; }
.improvement-card .improvement-reason { color: #c5d2df; }
.improvement-card select { justify-self: end; font-size: 0.68rem; }
.improvement-status {
  flex: none;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(69, 217, 255, 0.1);
  color: var(--cyan);
  font-size: 0.62rem;
}
.improvement-status.status-resolved { color: #8ee8ba; background: rgba(83, 210, 145, 0.1); }
.improvement-status.status-dismissed { color: var(--muted); background: rgba(145, 167, 190, 0.08); }

@media (max-width: 820px) {
  .shell { padding: 0 12px 12px; }
  .topbar { height: 72px; }
  .brand p { display: none; }
  .workspace {
    height: auto;
    min-height: auto;
    grid-template-columns: 1fr;
    overflow: visible;
  }
  .control-panel { order: 2; min-height: 320px; }
  .device-list { overflow-y: visible; }
  .chat-panel {
    height: auto;
    min-height: 0;
    max-height: none;
    grid-template-rows: auto auto auto auto auto;
    overflow: visible;
    padding: 20px 15px 14px;
  }
  .messages {
    overflow-y: visible;
    padding-inline: 0;
  }
  .composer {
    position: sticky;
    z-index: 12;
    bottom: 8px;
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.38);
    backdrop-filter: blur(16px);
  }
  .bubble { max-width: 88%; }
  .connection { gap: 6px; }
  #connection-label { display: none; }
  .account-menu { margin-left: 2px; }
  .account-menu summary { padding: 7px 8px; }
  #account-name { max-width: 82px; overflow: hidden; text-overflow: ellipsis; }
  .login-shell { padding: 14px; }
  .login-card { padding: 28px 22px; }
  .password-form { padding: 24px 20px; }
  .settings-dialog {
    width: calc(100% - 16px);
    max-height: 92vh;
    border-radius: 19px;
  }
  .settings-content { padding: 22px 16px; }
  .settings-section-title { display: block; }
  .settings-section-title span { display: block; margin-top: 5px; }
  .settings-device {
    grid-template-columns: 20px minmax(0, 1fr);
  }
  .settings-device select { grid-column: 2; }
  .settings-device-list { max-height: 42vh; }
  .improvements-list { max-height: 68vh; }
  .improvement-card-header { align-items: flex-start; flex-direction: column; }
}