:root {
  --bg-1: #f4f8ff;
  --bg-2: #ffe9d5;
  --ink: #1b1a26;
  --ink-soft: #4f4d62;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: rgba(255, 255, 255, 0.95);
  --line: rgba(27, 26, 38, 0.12);
  --accent: #ff5a5f;
  --accent-2: #127a8a;
  --user: #143e56;
  --buddy: #fff4d6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
  background: radial-gradient(circle at 20% 20%, var(--bg-2), transparent 45%), radial-gradient(circle at 80% 0%, #d8f9ff, transparent 40%), var(--bg-1);
  color: var(--ink);
  overflow-x: hidden;
}

.bg-shape {
  position: fixed;
  border-radius: 999px;
  filter: blur(40px);
  opacity: 0.5;
  pointer-events: none;
}

.bg-shape-a {
  width: 420px;
  height: 420px;
  background: #ffc6cf;
  top: -180px;
  left: -80px;
}

.bg-shape-b {
  width: 300px;
  height: 300px;
  background: #a7f0ff;
  right: -120px;
  bottom: -100px;
}

.app {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
  height: calc(100vh - 48px);
  display: grid;
  gap: 16px;
  grid-template-columns: 340px 1fr;
}

.app.view-workspace {
  grid-template-columns: 1fr;
}

.app.view-workspace .roster-panel {
  grid-column: 1 / -1;
}

.app.view-workspace .chat-panel {
  display: none;
}

.app.view-chat {
  grid-template-columns: 340px 1fr;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(16, 22, 40, 0.08);
}

.roster-panel {
  padding: 20px;
  display: grid;
  gap: 18px;
  align-content: start;
  min-height: 0;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}

.roster-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.roster-tab {
  background: rgba(27, 26, 38, 0.08);
  color: var(--ink-soft);
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 0.82rem;
}

.roster-tab.active {
  color: white;
  background: linear-gradient(120deg, #274c77, #1f6f8b);
}

.roster-section {
  display: grid;
  gap: 10px;
}

.workspace-page {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.6);
  padding: 12px;
}

.roster-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.roster-section-header h2 {
  margin: 0;
}

.roster-section-toggle {
  padding: 7px 10px;
  font-size: 0.78rem;
}

.roster-section-body {
  display: grid;
  gap: 10px;
}

.workspace-grid {
  display: grid;
  gap: 12px;
}

.workspace-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.workspace-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-strong);
  padding: 12px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.workspace-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.workspace-card-header .section-subtitle {
  margin: 0;
}

.roster-section.collapsed .roster-section-body {
  display: none;
}

.section-subtitle {
  margin: 0 0 8px;
  font-size: 0.92rem;
}

h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.05;
}

.title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.title-actions {
  display: inline-flex;
  gap: 8px;
}

.auth-link-btn {
  padding: 8px 12px;
}

.auth-inline-text {
  margin-top: -8px;
  font-size: 0.82rem;
}

.app-view-tabs {
  display: inline-flex;
  gap: 8px;
  background: rgba(27, 26, 38, 0.06);
  border-radius: 12px;
  padding: 4px;
}

.app-view-tab {
  background: transparent;
  color: var(--ink-soft);
  padding: 8px 12px;
  border-radius: 10px;
}

.app-view-tab.active {
  color: white;
  background: linear-gradient(120deg, #274c77, #1f6f8b);
}

.app-view-hint {
  font-size: 0.82rem;
}

h2 {
  margin: 0 0 8px 0;
  font-size: 1.1rem;
}

.subtitle {
  margin: 0;
  color: var(--ink-soft);
}

.getting-started-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-strong);
  padding: 12px;
  display: grid;
  gap: 6px;
}

.getting-started-card h2 {
  margin: 0;
  font-size: 1rem;
}

.getting-started-card ol {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 0.85rem;
  display: grid;
  gap: 4px;
}

.buddy-form {
  display: grid;
  gap: 10px;
}

.auth-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  background: var(--panel-strong);
  display: grid;
  gap: 8px;
}

.auth-modal-card {
  width: min(460px, 96vw);
}

.auth-modal-card .auth-panel {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.auth-actions {
  display: flex;
  gap: 8px;
}

.auth-hint {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.auth-toggle-btn {
  justify-self: start;
}

.auth-user-text {
  margin: 0;
  color: var(--ink-soft);
}

.admin-user-details {
  margin: 2px 0 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.admin-signup-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-strong);
  padding: 10px 12px;
  display: grid;
  gap: 8px;
}

.admin-signup-card h3 {
  margin: 0;
  font-size: 0.92rem;
}

.admin-signup-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.admin-signup-actions {
  display: flex;
  gap: 8px;
}

.admin-signup-note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.admin-invite-form {
  display: grid;
  gap: 8px;
}

.admin-invite-list {
  display: grid;
  gap: 6px;
}

.admin-invite-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.7);
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.admin-invite-main {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.admin-invite-meta {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.admin-billing-form {
  margin-top: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.66);
  padding: 10px;
  display: grid;
  gap: 8px;
}

.admin-billing-field {
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.admin-billing-field input {
  margin-top: 2px;
}

.admin-billing-save-btn {
  justify-self: start;
  padding: 8px 12px;
}

.usage-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.usage-metric {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-strong);
  padding: 8px 10px;
}

.usage-metric-label {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.usage-metric-value {
  margin: 3px 0 0;
  font-size: 1rem;
  font-weight: 700;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  padding: 10px 12px;
  background: var(--panel-strong);
}

input[type="range"] {
  accent-color: var(--accent-2);
}

input[type="checkbox"],
input[type="radio"] {
  width: auto;
  padding: 0;
  border: 0;
  background: transparent;
}

textarea {
  resize: vertical;
}

button {
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  background: linear-gradient(120deg, var(--accent), #ff8c5f);
  color: white;
  font-weight: 700;
}

button:hover {
  transform: translateY(-1px);
}

.buddy-list {
  display: grid;
  gap: 10px;
}

#buddy-list {
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
}

#group-list {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.buddy-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  background: var(--panel-strong);
  display: grid;
  gap: 8px;
  animation: rise 220ms ease;
}

.buddy-card.active {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 2px rgba(18, 122, 138, 0.16);
}

.buddy-card-rich {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 252, 255, 0.88));
  padding: 12px;
  gap: 10px;
}

.buddy-head {
  display: grid;
  gap: 4px;
}

.buddy-title-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.buddy-avatar {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid rgba(27, 26, 38, 0.12);
  background: rgba(255, 255, 255, 0.92);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  line-height: 1;
}

.buddy-visibility {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(18, 122, 138, 0.28);
  color: #0f6170;
  background: rgba(18, 122, 138, 0.1);
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: 700;
}

.buddy-personality {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.buddy-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.buddy-skill-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(27, 26, 38, 0.12);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 0.75rem;
  padding: 4px 8px;
}

.buddy-skill-chip-empty {
  color: var(--ink-soft);
  background: rgba(27, 26, 38, 0.06);
}

.buddy-memory {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  border-top: 1px dashed var(--line);
  padding-top: 8px;
  min-height: 2.2em;
}

.buddy-card-rich .buddy-actions {
  margin-top: auto;
}

.buddy-name {
  margin: 0;
  font-size: 1rem;
  min-width: 0;
  overflow-wrap: anywhere;
}

.buddy-details {
  margin: 2px 0 0 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.buddy-actions {
  display: flex;
  gap: 8px;
}

.icon-action-btn {
  width: 34px;
  min-width: 0;
  height: 34px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
}

.icon-action-btn:hover {
  background: transparent;
  color: var(--ink);
  transform: none;
}

.icon-action-btn:focus-visible {
  outline: 2px solid rgba(18, 122, 138, 0.35);
  outline-offset: 2px;
  border-radius: 8px;
}

.action-icon {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-action-btn.danger {
  background: transparent;
  color: #a7365d;
}

.select-buddy-btn {
  background: var(--accent-2);
}

.manage-buddy-btn {
  background: #3b4f7a;
}

.danger {
  background: #b12a56;
}

.ghost-btn {
  background: rgba(27, 26, 38, 0.08);
  color: var(--ink);
}

.select-buddy-btn.icon-action-btn,
.manage-buddy-btn.icon-action-btn,
.load-group-btn.icon-action-btn,
.share-group-btn.icon-action-btn,
.delete-group-btn.icon-action-btn,
.danger.icon-action-btn {
  background: transparent;
}

.delete-group-btn.icon-action-btn,
.danger.icon-action-btn {
  color: #a7365d;
}

.chat-panel {
  min-height: 0;
  max-height: calc(100vh - 48px);
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 14px;
  overflow: hidden;
}

.chat-controls-top {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--panel);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(27, 26, 38, 0.08);
}

.chat-controls-bottom {
  position: sticky;
  bottom: 0;
  z-index: 3;
  background: linear-gradient(0deg, var(--panel), rgba(255, 255, 255, 0.72));
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(27, 26, 38, 0.08);
  padding-top: 10px;
}

.chat-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 6px 4px 10px;
}

.chat-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.chat-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 4px 2px 10px;
}

.tone-control {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.tone-control input[type="range"] {
  width: min(180px, 48vw);
  max-width: 100%;
}

.tone-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink);
}

.coach-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  justify-self: end;
  white-space: normal;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  font-size: 0.7rem;
  font-weight: 700;
  cursor: help;
}

.tabs {
  display: inline-flex;
  background: rgba(27, 26, 38, 0.06);
  border-radius: 12px;
  padding: 4px;
}

.tab {
  background: transparent;
  color: var(--ink-soft);
  padding: 8px 12px;
}

.tab.active {
  color: white;
  background: linear-gradient(120deg, #274c77, #1f6f8b);
}

.chat-context {
  color: var(--ink-soft);
  font-size: 0.95rem;
  min-width: 0;
}

.group-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px 2px 10px;
}

.group-pill {
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: white;
  cursor: pointer;
  user-select: none;
}

.group-pill.selected {
  border-color: var(--accent-2);
  background: #dbf6f8;
  color: #054953;
}

.chat-log {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-strong);
  padding: 14px;
  min-height: 0;
  overflow-y: auto;
  display: grid;
  gap: 10px;
}

.msg {
  max-width: 88%;
  border-radius: 14px;
  padding: 10px 12px;
  line-height: 1.35;
  animation: rise 180ms ease;
}

.msg .speaker {
  font-size: 0.75rem;
  opacity: 0.75;
}

.msg-heading {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.msg-avatar {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 1px solid rgba(27, 26, 38, 0.15);
  background: rgba(255, 255, 255, 0.82);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  line-height: 1;
}

.msg.user {
  justify-self: end;
  background: var(--user);
  color: white;
}

.msg.user .msg-avatar {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.18);
}

.msg.assistant {
  justify-self: start;
  background: var(--buddy);
}

.msg.typing {
  background: #f4e7c3;
}

.typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 12px;
}

.typing-indicator span {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: rgba(27, 26, 38, 0.5);
  animation: typing-pulse 0.95s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.12s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.24s;
}

.chat-form {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 10px;
  padding-top: 12px;
}

.chat-form input {
  min-height: 44px;
}

.snapshot-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 8px;
}

.snapshot-link {
  font-size: 0.84rem;
  color: var(--ink-soft);
}

.group-builder {
  display: grid;
  gap: 10px;
}

.group-modal-card {
  width: min(680px, 96vw);
}

.group-member-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.group-member-title {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
}

.group-member-actions {
  display: inline-flex;
  gap: 8px;
}

.group-member-picker {
  max-height: min(42vh, 320px);
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  padding: 8px;
  display: grid;
  gap: 8px;
}

.group-member-option {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.9);
  padding: 8px 10px;
}

.group-member-option.selected {
  border-color: rgba(18, 122, 138, 0.4);
  background: rgba(217, 246, 249, 0.72);
}

.group-member-text {
  min-width: 0;
  overflow-wrap: anywhere;
}

.preset-list {
  display: grid;
  gap: 8px;
}

.preset-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-strong);
  padding: 10px 12px;
  display: grid;
  gap: 8px;
}

.preset-card h4 {
  margin: 0;
  font-size: 0.95rem;
}

.preset-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.preset-meta {
  display: grid;
  gap: 4px;
}

.preset-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.preset-actions button {
  padding: 8px 12px;
}

.usage-grid {
  display: grid;
  gap: 10px;
}

.usage-card {
  padding: 10px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
}

.usage-card h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

.usage-list {
  display: grid;
  gap: 6px;
}

.usage-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 7px 9px;
  background: rgba(255, 255, 255, 0.6);
}

.usage-row-main {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 700;
}

.usage-row-sub {
  margin: 2px 0 0;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.usage-row-metrics {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.75rem;
  text-align: right;
}

.public-group-chat {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}

.public-group-chat .chat-log {
  max-height: min(48vh, 420px);
}

.public-chat-form {
  grid-template-columns: 1fr auto;
}

.shared-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.hidden {
  display: none;
}

.manager-overlay {
  position: fixed;
  inset: 0;
  background: rgba(9, 12, 24, 0.42);
  display: grid;
  place-items: center;
  padding: 16px;
  z-index: 20;
}

.manager-overlay.hidden {
  display: none;
}

.manager-card {
  width: min(540px, 96vw);
  padding: 18px;
}

.confirm-modal-card {
  width: min(460px, 96vw);
}

.confirm-modal-message {
  margin: 0 0 14px;
  white-space: pre-wrap;
}

.confirm-modal-actions {
  justify-content: flex-end;
}

.help-modal-card {
  width: min(640px, 96vw);
}

.help-content {
  display: grid;
  gap: 14px;
}

.help-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.help-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-strong);
  padding: 10px 12px;
}

.help-card h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
}

.help-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.manager-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.manager-header h2 {
  margin: 0;
}

.manager-actions {
  display: flex;
  gap: 8px;
}

.share-url {
  margin: 10px 0 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
  word-break: break-all;
}

.empty-state {
  color: var(--ink-soft);
  text-align: center;
  padding: 24px 12px;
}

.toast-stack {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 40;
  width: min(360px, calc(100vw - 24px));
  display: grid;
  gap: 8px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-strong);
  box-shadow: 0 10px 24px rgba(16, 22, 40, 0.18);
  padding: 10px 12px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: start;
  animation: rise 160ms ease;
}

.toast-body {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: center;
  min-width: 0;
}

.toast-icon {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  line-height: 1;
  font-weight: 800;
  border: 1px solid var(--line);
}

.toast-message {
  margin: 0;
  font-size: 0.86rem;
  white-space: pre-wrap;
  color: var(--ink);
}

.toast-close-btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 0.78rem;
  line-height: 1;
  background: rgba(255, 255, 255, 0.65);
}

.toast.toast-info {
  border-color: rgba(43, 88, 133, 0.28);
  background: linear-gradient(0deg, rgba(238, 247, 255, 0.92), rgba(255, 255, 255, 0.96));
}

.toast-icon-info {
  background: rgba(39, 76, 119, 0.16);
  color: #1f4a71;
}

.toast.toast-success {
  border-color: rgba(18, 122, 138, 0.38);
  background: linear-gradient(0deg, rgba(230, 250, 248, 0.95), rgba(255, 255, 255, 0.96));
}

.toast-icon-success {
  background: rgba(18, 122, 138, 0.18);
  color: #0f6a77;
}

.toast.toast-error {
  border-color: rgba(177, 42, 86, 0.44);
  background: linear-gradient(0deg, rgba(255, 237, 244, 0.96), rgba(255, 255, 255, 0.96));
}

.toast-icon-error {
  background: rgba(177, 42, 86, 0.18);
  color: #93234a;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes typing-pulse {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.35;
  }
  40% {
    transform: translateY(-2px);
    opacity: 0.95;
  }
}

@media (max-width: 980px) {
  .app {
    grid-template-columns: 1fr;
    padding: 12px;
    height: auto;
  }

  .app.view-chat {
    grid-template-columns: 1fr;
  }

  .roster-panel,
  .chat-panel {
    max-height: none;
    min-height: auto;
  }

  .chat-form {
    grid-template-columns: 1fr;
  }

  .chat-tools {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .coach-toggle {
    justify-self: start;
  }

  .roster-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace-grid-2 {
    grid-template-columns: 1fr;
  }

  .usage-summary {
    grid-template-columns: 1fr;
  }

  .help-grid {
    grid-template-columns: 1fr;
  }
}