:root {
  --bg: #262624;
  --bg-sidebar: #1f1e1c;
  --bg-elevated: #30302e;
  --border: #3a3937;
  --text: #f4f3ee;
  --text-dim: #a8a69f;
  --text-faint: #75736c;
  --accent: #da7756;
  --accent-hover: #e58a6b;
  --bubble-user: #3a3835;
  --code-bg: #1b1a18;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ---------- Sidebar ---------- */

.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
}

.sidebar-resizer {
  flex-shrink: 0;
  width: 5px;
  cursor: col-resize;
  background: var(--border);
  transition: background 0.15s ease;
}

.sidebar-resizer:hover,
.sidebar-resizer.dragging {
  background: var(--accent);
}

body.resizing-sidebar {
  cursor: col-resize;
  user-select: none;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 8px 20px 8px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.2px;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.auth-logo {
  display: block;
  width: 84px;
  height: 84px;
  object-fit: cover;
  border-radius: 14px;
  margin: 0 auto 14px auto;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
}

.auth-brand {
  justify-content: center;
  text-align: center;
}

.new-chat-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  transition: background 0.15s ease;
}

.new-chat-btn:hover {
  background: #383735;
}

.sidebar-section {
  margin-top: 24px;
  flex: 1;
  overflow-y: auto;
}

.sidebar-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  padding: 0 8px;
  margin-bottom: 8px;
}

.session-item {
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text-dim);
  cursor: default;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-item.active {
  background: var(--bg-elevated);
  color: var(--text);
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 12px 8px 4px 8px;
  font-size: 12.5px;
  color: var(--text-dim);
}

.sidebar-footer-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6fcf97;
}

.sidebar-footer-model {
  margin-top: 4px;
  font-size: 11.5px;
  color: var(--text-faint);
}

/* ---------- Main / Chat ---------- */

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  padding: 10px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-logo {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  object-fit: cover;
  flex-shrink: 0;
}

.topbar-title {
  font-weight: 700;
  font-size: 16px;
}

.topbar-subtitle {
  font-size: 12.5px;
  color: var(--text-faint);
}

.chat {
  flex: 1;
  overflow-y: auto;
  padding: 24px 0 8px 0;
  display: flex;
  flex-direction: column;
}

.empty-state {
  margin: auto;
  text-align: center;
  color: var(--text-dim);
}

.empty-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}

.empty-subtitle {
  font-size: 15px;
  color: var(--text-faint);
}

.msg-row {
  width: 100%;
  display: flex;
  padding: 6px 0;
}

.msg-row.user {
  justify-content: flex-end;
}

.msg-row.assistant {
  justify-content: flex-start;
}

.bubble {
  max-width: 720px;
  width: fit-content;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0 24px;
}

.msg-row.user .bubble {
  background: var(--bubble-user);
  color: var(--text);
  border-bottom-right-radius: 4px;
}

.msg-row.assistant .bubble {
  background: transparent;
  color: var(--text);
  padding-left: 4px;
  padding-right: 4px;
  max-width: 760px;
}

.bubble pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  overflow-x: auto;
  margin: 10px 0;
  font-size: 13px;
}

.bubble code {
  font-family: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

.bubble p code, .bubble :not(pre) > code {
  background: var(--code-bg);
  padding: 2px 5px;
  border-radius: 4px;
  font-size: 0.9em;
}

.thinking {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-faint);
  font-size: 14px;
  margin: 0 24px;
  padding: 8px 4px;
}

.thinking-dots {
  display: inline-flex;
  gap: 3px;
}

.thinking-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 1.4s infinite both;
}

.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
  0%, 80%, 100% { opacity: 0.25; }
  40% { opacity: 1; }
}

/* ---------- Composer ---------- */

.model-picker {
  position: relative;
  flex-shrink: 0;
}

.model-picker-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--bg);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 6px 10px 6px 12px;
  font-size: 12.5px;
  font-family: inherit;
  white-space: nowrap;
  cursor: pointer;
}

.model-picker-btn:hover {
  color: var(--text);
  border-color: var(--text-faint);
}

.model-picker-chevron {
  font-size: 10px;
  color: var(--text-faint);
}

.model-popup {
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  min-width: 240px;
  max-width: 300px;
  max-height: 320px;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  padding: 6px;
  z-index: 50;
}

.model-popup-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.model-popup-item:hover {
  background: var(--border);
}

.model-popup-item:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: transparent;
}

.model-popup-check {
  width: 14px;
  flex-shrink: 0;
  color: var(--accent);
  font-size: 13px;
  margin-top: 1px;
}

.model-popup-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.model-popup-title {
  color: var(--text);
  font-size: 13px;
}

.model-popup-tagline {
  color: var(--text-faint);
  font-size: 11.5px;
}

.composer {
  padding: 10px 24px 20px 24px;
}

.composer-box {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 10px 10px 10px 16px;
  max-width: 800px;
  margin: 0 auto;
}

.composer-input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  line-height: 1.4;
  max-height: 200px;
  overflow-y: auto;
  padding: 6px 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.composer-input:empty::before {
  content: attr(data-placeholder);
  color: var(--text-faint);
}

.send-btn {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #1b1a18;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s ease, opacity 0.15s ease;
}

.send-btn:hover {
  background: var(--accent-hover);
}

.send-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.composer-hint {
  text-align: center;
  font-size: 11.5px;
  color: var(--text-faint);
  margin-top: 8px;
}

/* Scrollbars */
.chat::-webkit-scrollbar, .sidebar-section::-webkit-scrollbar {
  width: 8px;
}

.chat::-webkit-scrollbar-thumb, .sidebar-section::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 8px;
}

/* ================= Utilitário ================= */

.hidden {
  display: none !important;
}

/* Evita o "flash" da tela de login: enquanto o token salvo ainda está sendo
   validado no servidor (ver script inline no <head> do index.html e
   tentarSessaoExistente em app.js), a tela de autenticação fica oculta. */
html.sessao-pendente .auth-screen {
  display: none;
}

/* ================= Toast ================= */

.toast {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13.5px;
  z-index: 1000;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.toast.success {
  border-color: #6fcf97;
  color: #d6f5e4;
}

.toast.error {
  border-color: #e17b6b;
  color: #ffe1da;
}

/* ================= Tela de autenticação ================= */

.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 22px;
}

.auth-tabs {
  display: flex;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  margin-bottom: 18px;
}

.auth-tab {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-dim);
  padding: 8px 0;
  border-radius: 8px;
  font-size: 13.5px;
  cursor: pointer;
}

.auth-tab.active {
  background: var(--accent);
  color: #1b1a18;
  font-weight: 600;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.auth-form input,
.password-field input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 12px;
  border-radius: 9px;
  font-size: 14px;
  outline: none;
  font-family: inherit;
  width: 100%;
}

.auth-form input:focus,
.password-field input:focus {
  border-color: var(--accent);
}

.password-field {
  position: relative;
  display: flex;
}

.password-field input {
  padding-right: 40px;
}

.toggle-password {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-faint);
  font-size: 15px;
  cursor: pointer;
  padding: 6px 8px;
  line-height: 1;
}

.toggle-password:hover {
  color: var(--text);
}

.toggle-password.active {
  color: var(--accent);
}

.auth-submit {
  margin-top: 4px;
  background: var(--accent);
  color: #1b1a18;
  border: none;
  padding: 11px 0;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.auth-submit:hover {
  background: var(--accent-hover);
}

.auth-error {
  color: #e17b6b;
  font-size: 12.5px;
  min-height: 16px;
}

.auth-hint {
  margin-top: 16px;
  text-align: center;
  font-size: 12px;
  color: var(--text-faint);
}

/* ================= Sidebar: créditos & admin ================= */

.sidebar-credits {
  margin-top: 16px;
  padding: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.credits-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  text-align: right;
}

.credits-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  margin: 4px 0 10px 0;
  text-align: right;
}

.recharge-btn {
  width: 100%;
  padding: 8px 0;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 8px;
  font-size: 12.5px;
  cursor: pointer;
}

.recharge-btn:hover {
  background: var(--accent);
  color: #1b1a18;
}

.recharge-btn-secondary {
  margin-top: 6px;
  border-color: var(--border);
  color: var(--text-dim);
}

.recharge-btn-secondary:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.admin-link {
  display: block;
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  border: 1px solid var(--border);
  text-align: center;
}

.admin-link:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.sidebar-footer-row {
  justify-content: center;
  text-align: center;
}

#user-email {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 190px;
}

.logout-btn {
  margin-top: 8px;
  width: 100%;
  padding: 7px 0;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
}

.logout-btn:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

.sidebar-credit {
  margin-top: 10px;
  text-align: center;
  font-size: 10.5px;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}

/* ================= Modal: recarregar créditos ================= */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
}

.modal {
  width: 100%;
  max-width: 420px;
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px 22px 20px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 16px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-loading {
  color: var(--text-faint);
  font-size: 13.5px;
  text-align: center;
  padding: 12px 0;
}

.package-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}

.package-info-name {
  font-weight: 600;
  font-size: 14px;
}

.package-info-credits {
  font-size: 12.5px;
  color: var(--text-faint);
  margin-top: 2px;
}

.package-buy-btn {
  background: var(--accent);
  color: #1b1a18;
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.package-buy-btn:hover {
  background: var(--accent-hover);
}

.package-buy-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ================= Modal: histórico de compras ================= */

.history-status {
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.status-completed {
  background: rgba(80, 200, 120, 0.15);
  color: #50c878;
}

.status-pending {
  background: rgba(230, 180, 60, 0.15);
  color: #e6b43c;
}

.status-expired {
  background: rgba(200, 80, 80, 0.15);
  color: #c85050;
}

/* ================= Modal: configurações ================= */

.settings-label {
  display: block;
  font-size: 12.5px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.settings-select {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  cursor: pointer;
}

.settings-select:focus {
  border-color: var(--accent);
}

.settings-hint {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-faint);
  line-height: 1.5;
}

.modal-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 18px 0 14px 0;
}

.modal-body .password-field {
  margin-bottom: 10px;
}

.modal-body .auth-submit {
  margin-top: 2px;
}

.auth-success {
  color: #6fcf97;
  font-size: 12.5px;
  min-height: 16px;
}

/* ================= Modal: confirmação (excluir conversa) ================= */

.confirm-modal-message {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 20px;
}

.confirm-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.confirm-cancel-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
}

.confirm-cancel-btn:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.confirm-danger-btn {
  background: #c85050;
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.confirm-danger-btn:hover {
  background: #d86a6a;
}

/* ================= Painel Administrativo ================= */

.admin-page {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.admin-back {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13.5px;
}

.admin-back:hover {
  color: var(--text);
}

.admin-main {
  padding: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.admin-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.metric-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.metric-label {
  font-size: 12px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  margin-top: 6px;
}

.admin-appearance-section,
.admin-users-section {
  margin-bottom: 28px;
}

.admin-appearance-section h2,
.admin-users-section h2 {
  font-size: 16px;
  margin-bottom: 12px;
}

.logo-upload-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.logo-preview {
  width: 84px;
  height: 84px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--bg-sidebar);
}

.logo-upload-controls {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.logo-upload-hint {
  font-size: 12.5px;
  color: var(--text-faint);
  line-height: 1.5;
}

.logo-file-input {
  font-size: 13px;
  color: var(--text-dim);
}

.logo-upload-controls .package-buy-btn {
  align-self: flex-start;
}

.admin-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.admin-table th, .admin-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.admin-table th {
  background: var(--bg-elevated);
  color: var(--text-faint);
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

.admin-table-loading {
  text-align: center;
  color: var(--text-faint);
  padding: 20px !important;
}

.role-badge {
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}

.role-badge.ADMIN {
  background: rgba(218, 119, 86, 0.2);
  color: var(--accent);
}

.role-badge.USER {
  background: rgba(168, 166, 159, 0.15);
  color: var(--text-dim);
}

.credit-adjust {
  display: flex;
  gap: 6px;
}

.credit-adjust input {
  width: 90px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 12.5px;
}

.credit-adjust button {
  background: var(--accent);
  color: #1b1a18;
  border: none;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.credit-adjust button:hover {
  background: var(--accent-hover);
}

@media (max-width: 720px) {
  .admin-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Conversas salvas na barra lateral. */
.session-row {
  display: flex;
  align-items: center;
  gap: 2px;
}

button.session-item {
  display: block;
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  text-align: left;
  font-family: inherit;
  cursor: pointer;
}
button.session-item.active,
button.session-item:hover { background: var(--bg-elevated); }
button.session-item:focus-visible { outline: 2px solid var(--text-dim); }
button.session-item:disabled { cursor: wait; opacity: 0.65; }

.session-delete-btn {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-faint);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.session-row:hover .session-delete-btn,
.session-delete-btn:focus-visible {
  opacity: 1;
}
.session-delete-btn:hover {
  background: rgba(200, 80, 80, 0.15);
  color: #c85050;
}
.session-delete-btn:disabled {
  cursor: wait;
  opacity: 0 !important;
}

.model-settings { line-height: 1.55; }
.model-settings-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
#model-status { margin: 0 0 14px; font-size: 13px; color: var(--text-dim); }
.model-settings-card label { display: block; margin: 0 0 8px; font-size: 12.5px; color: var(--text-dim); }
.model-settings-card .settings-select { max-width: 480px; }
.model-details { margin: 16px 0; padding: 16px; background: var(--bg-sidebar); border: 1px solid var(--border); border-radius: 10px; }
.model-details p { margin: 0 0 10px; }
.model-details a { color: var(--text); text-decoration: underline; }
.model-actions { display: flex; gap: 12px; flex-wrap: wrap; }