/* Bubble Studio — one monochrome interface for web and installed desktop. */

html,
body.app-page {
  width: 100%;
  max-width: 100%;
  height: 100%;
  overflow: hidden;
}

body.app-page {
  color-scheme: light;
  --app-canvas: #ffffff;
  --app-sidebar: #101010;
  --app-panel: #ffffff;
  --app-subtle: #f4f4f2;
  --app-hover: #ededeb;
  --app-pressed: #e4e4e1;
  --app-text: #111110;
  --app-muted: #62625f;
  --app-faint: #666662;
  --app-border: #e5e5e1;
  --app-border-strong: #cecec8;
  --app-brand: #111110;
  --app-brand-strong: #111110;
  --app-brand-soft: #efefec;
  --app-cyan: #454542;
  --app-cyan-soft: #f1f1ee;
  --app-lilac: #696965;
  --app-lilac-soft: #f5f5f2;
  --app-council: #333330;
  --app-council-soft: #f0f0ed;
  --app-success: #167252;
  --app-success-soft: #eaf5f0;
  --app-warning: #875d12;
  --app-warning-soft: #faf2df;
  --app-danger: #b32635;
  --app-danger-soft: #fbedef;
  --app-accent-contrast: #ffffff;
  --app-overlay: rgba(10, 10, 9, 0.58);
  --app-code: #151514;
  --app-code-text: #f6f6f2;
  --app-shadow-sm: 0 1px 2px rgba(17, 17, 16, 0.05), 0 5px 16px rgba(17, 17, 16, 0.04);
  --app-shadow-md: 0 18px 46px rgba(17, 17, 16, 0.11);
  --app-shadow-lg: 0 30px 90px rgba(17, 17, 16, 0.18);
  --app-content: 828px;
  --app-sidebar-width: 286px;
  --canvas: var(--app-canvas);
  --canvas-strong: var(--app-subtle);
  --panel: var(--app-panel);
  --panel-soft: var(--app-subtle);
  --panel-strong: var(--app-hover);
  --text: var(--app-text);
  --text-dim: var(--app-muted);
  --text-muted: var(--app-muted);
  --text-faint: var(--app-faint);
  --border: var(--app-border);
  --border-strong: var(--app-border-strong);
  --brand: var(--app-brand);
  --brand-strong: var(--app-brand-strong);
  --brand-soft: var(--app-brand-soft);
  --action: var(--app-text);
  --action-hover: #2b2b29;
  --council: var(--app-council);
  --council-strong: var(--app-council);
  --council-soft: var(--app-council-soft);
  --success: var(--app-success);
  --success-soft: var(--app-success-soft);
  --warning: var(--app-warning);
  --warning-soft: var(--app-warning-soft);
  --danger: var(--app-danger);
  --danger-soft: var(--app-danger-soft);
  --focus: var(--app-text);
  --mark-filter: none;
  margin: 0;
  background: var(--app-canvas);
  color: var(--app-text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  letter-spacing: -0.008em;
}

@media (prefers-color-scheme: dark) {
  body.app-page {
    color-scheme: dark;
    --app-canvas: #151514;
    --app-sidebar: #090909;
    --app-panel: #1d1d1c;
    --app-subtle: #242422;
    --app-hover: #2c2c29;
    --app-pressed: #343431;
    --app-text: #f7f7f3;
    --app-muted: #c3c3bd;
    --app-faint: #989892;
    --app-border: #30302e;
    --app-border-strong: #454541;
    --app-brand: #f7f7f3;
    --app-brand-strong: #ffffff;
    --app-brand-soft: #2a2a28;
    --app-cyan: #c7c7c1;
    --app-cyan-soft: #252523;
    --app-lilac: #a5a59f;
    --app-lilac-soft: #292927;
    --app-council: #e0e0da;
    --app-council-soft: #292927;
    --app-success: #74d4aa;
    --app-success-soft: #17372b;
    --app-warning: #e6bd70;
    --app-warning-soft: #3a301f;
    --app-danger: #ff909c;
    --app-danger-soft: #45262b;
    --app-accent-contrast: #111110;
    --app-overlay: rgba(0, 0, 0, 0.76);
    --app-code: #0c0c0b;
    --app-code-text: #f7f7f3;
    --mark-filter: invert(1);
  }
}

.icon {
  width: 1.15em;
  height: 1.15em;
  display: block;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.linkbtn-icon { gap: 7px; }

/* The conversation shell is intentionally restrained: ink navigation, paper work. */
.chrome {
  width: 100%;
  max-width: 100%;
  background: var(--app-canvas);
}

.sidebar {
  --app-panel: #171716;
  --app-subtle: #1d1d1c;
  --app-hover: #242423;
  --app-pressed: #2e2e2c;
  --app-text: #f7f7f3;
  --app-muted: #b7b7b0;
  --app-faint: #85857f;
  --app-border: #292928;
  --app-border-strong: #3a3a37;
  --app-brand: #f7f7f3;
  --app-brand-strong: #ffffff;
  --app-brand-soft: #242423;
  position: relative;
  border-right: 1px solid #292928;
  background: #101010;
  color: var(--app-text);
}

.side-head {
  min-height: 72px;
  padding: 14px 13px 12px 18px;
  border-bottom: 1px solid transparent;
}

.side-head img {
  width: 29px;
  height: 29px;
  filter: invert(1);
}

.side-head .name {
  font-size: 18px;
  font-weight: 760;
  letter-spacing: -0.055em;
}

.sidebar .icon-btn {
  color: #aaa9a3;
}

.sidebar .icon-btn:hover {
  border-color: #343431;
  background: #222220;
  color: #ffffff;
}

.new-chat {
  min-height: 46px;
  margin: 2px 11px 21px;
  padding: 8px 11px;
  border-color: #ecece8;
  border-radius: 13px;
  background: #f7f7f3;
  color: #111110;
  box-shadow: none;
}

.new-chat:hover {
  border-color: #ffffff;
  background: #ffffff;
}

.new-chat-icon {
  width: 26px;
  height: 26px;
  border: 1px solid #d8d8d3;
  border-radius: 8px;
  background: #ffffff;
  color: #111110;
  font-size: 15px;
}

.history-label,
.section-label,
.plus-menu-title,
.summary-label,
.health-label,
.admin-message-role {
  letter-spacing: 0.105em;
}

.projects,
.chats {
  padding-inline: 8px;
}

.project-row,
.project-item,
.chat-item {
  border-radius: 10px;
}

.project-row:hover,
.project-row.active,
.project-item.active,
.chat-item:hover {
  background: #1d1d1c;
}

.project-item.active,
.chat-item.active {
  background: #252523;
}

.chat-item.active::before {
  top: 11px;
  bottom: 11px;
  width: 2px;
  border-radius: 2px;
  background: #f7f7f3;
}

.chat-item.active .t {
  color: #ffffff;
}

.project-dot.all {
  border-color: #393936;
  background: #1b1b1a;
  color: #f7f7f3;
}

.project-edit,
.side-add {
  color: #999993;
}

.project-edit .icon,
.side-add .icon {
  width: 16px;
  height: 16px;
}

.quota {
  border-color: #2e2e2c;
  background: #171716;
}

.account-avatar {
  background: #f7f7f3;
  color: #111110;
  box-shadow: none;
}

.chat-pane {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  background: var(--app-canvas);
}

.chat-pane::before,
.empty-thread::before,
.composer-inner::before {
  display: none;
}

.topbar {
  min-height: 62px;
  padding: 8px 26px;
  border-bottom: 1px solid var(--app-border);
  background: color-mix(in srgb, var(--app-canvas) 94%, transparent);
}

.topbar .name {
  font-size: 14px;
  font-weight: 690;
  letter-spacing: -0.018em;
}

.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  font-size: 17px;
}

.icon-btn .icon { width: 18px; height: 18px; }

.transcript {
  width: 100%;
  max-width: 100%;
  padding: 38px 40px 20px;
}

.thread {
  width: min(100%, var(--app-content));
}

.msg { margin-bottom: 34px; }

.msg.user .body {
  max-width: min(74%, 610px);
  padding: 11px 16px;
  border: 1px solid var(--app-border);
  border-radius: 18px 18px 5px 18px;
  background: var(--app-subtle);
  box-shadow: none;
}

.msg.bot { padding-right: 42px; }

.assistant-label {
  gap: 9px;
  margin-bottom: 13px;
  font-size: 12px;
  letter-spacing: 0.01em;
}

.assistant-label img {
  width: 28px;
  height: 28px;
  padding: 5px;
  border: 1px solid var(--app-border);
  border-radius: 9px;
  background: var(--app-panel);
  box-shadow: none;
}

.msg.bot .body {
  font-size: 15.25px;
  line-height: 1.75;
}

.thinking {
  padding-left: 21px;
  color: var(--app-muted) !important;
  font-weight: 570;
}

.thinking::before {
  width: 7px;
  height: 7px;
  background: var(--app-text);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--app-text) 9%, transparent);
}

.council-result {
  padding: 7px 10px;
  border-color: var(--app-border);
  background: var(--app-subtle);
  color: var(--app-muted);
}

.empty-thread {
  max-width: 540px;
  margin-top: clamp(72px, 15vh, 154px);
}

.empty-thread img {
  width: 58px;
  height: 58px;
  padding: 12px;
  border: 1px solid var(--app-border);
  border-radius: 18px;
  background: var(--app-panel);
  box-shadow: var(--app-shadow-sm);
}

.empty-thread h2 {
  margin-top: 23px;
  font-size: 29px;
  font-weight: 690;
  letter-spacing: -0.05em;
}

.empty-thread p {
  color: var(--app-muted);
  font-size: 14px;
  line-height: 1.6;
}

.composer {
  width: 100%;
  padding: 12px 34px max(25px, env(safe-area-inset-bottom));
  background: var(--app-canvas);
}

.composer-context,
.composer-inner,
.composer > .error {
  width: min(100%, var(--app-content));
}

.composer-inner {
  min-height: 62px;
  padding: 8px;
  border: 1px solid var(--app-border-strong);
  border-radius: 23px;
  background: var(--app-panel);
  box-shadow: 0 7px 24px rgba(17, 17, 16, 0.07);
}

.composer-inner:focus-within {
  border-color: var(--app-text);
  box-shadow: 0 0 0 1px var(--app-text), 0 9px 26px rgba(17, 17, 16, 0.08);
}

.composer textarea {
  min-height: 44px;
  padding: 11px 9px;
  border: 0;
  background: transparent;
  box-shadow: none;
  line-height: 1.45;
}

.composer textarea:focus { box-shadow: none; }

.plus,
.send {
  width: 44px;
  height: 44px;
  border-radius: 15px;
}

.plus {
  border: 0;
  background: transparent;
  color: var(--app-muted);
}

.plus:hover:not(:disabled),
.plus.open {
  background: var(--app-subtle);
  color: var(--app-text);
}

.send {
  background: var(--app-text);
  color: var(--app-accent-contrast);
  box-shadow: none;
}

.send:hover:not(:disabled) {
  background: color-mix(in srgb, var(--app-text) 84%, var(--app-canvas));
  transform: none;
}

.send.stopping { background: var(--app-danger); color: #ffffff; }

.plus .icon,
.send .icon { width: 19px; height: 19px; }

.plus-menu {
  width: min(350px, calc(100vw - 24px));
  padding: 9px;
  border: 1px solid var(--app-border);
  border-radius: 17px;
  background: var(--app-panel);
  box-shadow: var(--app-shadow-md);
}

.plus-icon {
  border-color: var(--app-border);
  border-radius: 10px;
  background: var(--app-subtle);
  color: var(--app-text);
}

.plus-icon .icon { width: 17px; height: 17px; }

.plus-switch.on { background: var(--app-text); }

.machine-control-chip {
  border-color: var(--app-border);
  background: var(--app-subtle);
}

.machine-control-chip-icon {
  border-radius: 9px;
  background: var(--app-text);
  color: var(--app-accent-contrast);
}

.machine-control-chip-icon .icon { width: 14px; height: 14px; }
.machine-control-chip-close .icon { width: 13px; height: 13px; }

@media (min-width: 821px) {
  html:not(.desktop-app) body.app-page {
    --app-sidebar-width: 300px;
    --app-content: 872px;
  }
}

@media (max-width: 820px) {
  body.app-page,
  #app,
  .chrome,
  .chat-pane,
  .transcript,
  .composer {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .sidebar,
  .desktop-app .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 20;
    width: min(88vw, 304px);
    border-radius: 0;
  }

  .topbar {
    min-height: 58px;
    padding-inline: 9px;
  }

  .transcript { padding: 26px 18px 12px; }
  .composer { padding: 9px 12px max(13px, env(safe-area-inset-bottom)); }
  .composer-context, .composer-inner, .composer > .error { max-width: 100%; }
}

@media (max-width: 620px) {
  .msg.user { padding-left: 7%; }
  .msg.user .body { max-width: 92%; }
  .msg.bot { padding-right: 4px; }
  .msg.bot .body { font-size: 14.75px; }
  .empty-thread { margin-top: clamp(42px, 10vh, 90px); }
  .empty-thread img { width: 54px; height: 54px; }
  .empty-thread h2 { font-size: 24px; }
  .composer-inner { min-height: 58px; padding: 6px; border-radius: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}

/* Authentication, account gates, and service states. */
.auth {
  isolation: isolate;
  padding: max(48px, env(safe-area-inset-top)) 24px max(48px, env(safe-area-inset-bottom));
  background: var(--app-canvas);
}

.auth::before {
  z-index: 2;
  height: 1px;
  background: var(--app-text);
}

.auth::after { display: none; }

.auth-box,
.desktop-app .auth-box {
  width: min(100%, 430px);
  padding: 38px 36px;
  border: 1px solid var(--app-border);
  border-radius: 22px;
  background: var(--app-panel);
  box-shadow: var(--app-shadow-md);
  backdrop-filter: none;
}

.auth-loading .auth-box,
.desktop-app .auth-loading .auth-box {
  width: auto;
  padding: 24px;
}

.auth-mark-wrap {
  width: 62px;
  height: 62px;
  border-color: var(--app-border);
  border-radius: 18px;
  background: var(--app-panel);
  box-shadow: var(--app-shadow-sm);
}

.auth-mark-wrap::after { display: none; }
.auth-box img.mark { width: 36px; height: 36px; }

.auth-box h1 {
  margin-top: 24px;
  font-size: 38px;
  font-weight: 740;
  letter-spacing: -0.065em;
}

.auth-box .auth-title {
  max-width: 16ch;
  font-size: 30px;
  font-weight: 690;
  letter-spacing: -0.05em;
}

.auth-box .sub {
  margin-top: 13px;
  color: var(--app-muted);
  line-height: 1.62;
}

.auth .btn:not(.secondary):not(.danger):not(.google-desktop):not(.social-apple) {
  border-color: var(--app-text);
  background: var(--app-text);
  color: var(--app-accent-contrast);
  box-shadow: none;
}

.auth .btn:not(.secondary):not(.danger):not(.google-desktop):not(.social-apple):hover:not(:disabled) {
  background: color-mix(in srgb, var(--app-text) 84%, var(--app-canvas));
  box-shadow: none;
}

.or span { background: var(--app-panel); }

.engine-inline.online {
  border-color: color-mix(in srgb, var(--app-success) 25%, var(--app-border));
  background: var(--app-success-soft);
}

.engine-inline.checking {
  border-color: var(--app-border);
  background: var(--app-subtle);
}

.engine-inline.offline {
  border-color: color-mix(in srgb, var(--app-danger) 28%, var(--app-border));
  background: var(--app-danger-soft);
}

label { font-size: 12.5px; font-weight: 660; }

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
  border-color: var(--app-border-strong);
  border-radius: 12px;
  background: var(--app-panel);
}

input:hover,
textarea:hover { border-color: color-mix(in srgb, var(--app-text) 35%, var(--app-border)); }

input:focus,
textarea:focus {
  border-color: var(--app-text);
  box-shadow: 0 0 0 1px var(--app-text);
}

.btn {
  border-radius: 12px;
  background: var(--app-text);
  color: var(--app-accent-contrast);
  box-shadow: none;
}

.btn:hover:not(:disabled) {
  background: color-mix(in srgb, var(--app-text) 85%, var(--app-canvas));
  box-shadow: none;
}

.btn.secondary {
  border-color: var(--app-border-strong);
  background: var(--app-panel);
  color: var(--app-text);
}

/* Desktop framing keeps the native window intentional without imitating a browser tab. */
.desktop-app body.app-page {
  --app-canvas: #ffffff;
  --app-sidebar: #101010;
  background: #090909;
}

.desktop-app .chrome {
  gap: 7px;
  padding: 7px;
  background: #090909;
}

.desktop-app .sidebar {
  width: 256px;
  border: 1px solid #20201f;
  border-radius: 14px;
  background: #101010;
}

.desktop-app .chat-pane {
  border: 1px solid var(--app-border);
  border-radius: 14px;
  background: var(--app-canvas);
  box-shadow: none;
}

.desktop-app .auth { background: #101010; }
.desktop-app .auth::before { background: #f7f7f3; }

@media (prefers-color-scheme: dark) {
  .desktop-app body.app-page {
    --app-canvas: #151514;
    --app-sidebar: #090909;
    background: #050505;
  }

  .desktop-app .chrome,
  .desktop-app .auth { background: #050505; }
}

/* Work, permissions, and council progress all use the same quiet card language. */
.machine-action-card,
.machine-confirmation,
.usage-summary,
.security-card,
.mfa-enrollment,
.recovery-card,
.device-card,
.desktop-access-status,
.permission-item {
  border-color: var(--app-border);
  background: var(--app-subtle);
}

.machine-action-card {
  position: relative;
  padding: 12px;
  border-radius: 14px;
}

.machine-action-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--app-border-strong);
}

.machine-action-card.running::before,
.machine-action-card.waiting_confirmation::before { background: var(--app-text); }
.machine-action-card.complete::before { background: var(--app-success); }
.machine-action-card.failed::before { background: var(--app-danger); }

.machine-action-icon,
.machine-confirm-title > span,
.desktop-access-icon,
.usage-mark,
.security-icon,
.device-icon,
.vm-hero-icon,
.desktop-update-icon {
  border: 1px solid var(--app-border);
  border-radius: 10px;
  background: var(--app-panel);
  color: var(--app-text);
  box-shadow: none;
}

.machine-action-icon .icon,
.machine-confirm-title .icon,
.desktop-access-icon .icon,
.usage-mark .icon,
.security-icon .icon,
.device-icon .icon,
.vm-hero-icon .icon,
.desktop-update-icon .icon {
  width: 17px;
  height: 17px;
}

.machine-confirmation {
  border-color: color-mix(in srgb, var(--app-warning) 34%, var(--app-border));
  background: var(--app-warning-soft);
}

.machine-approve {
  background: var(--app-text);
  color: var(--app-accent-contrast);
}

/* Dialogs and settings. */
.modal-bg {
  background: var(--app-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal {
  border-color: var(--app-border);
  border-radius: 21px;
  background: var(--app-panel);
  box-shadow: var(--app-shadow-lg);
}

.modal-header {
  min-height: 78px;
  padding: 22px 24px 18px;
  background: var(--app-panel);
}

.modal h2 {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.modal-body { padding: 22px 24px 24px; }

.modal-close {
  width: 44px;
  height: 44px;
  border: 1px solid var(--app-border);
  border-radius: 11px;
  background: var(--app-subtle);
}

.modal-close .icon { width: 18px; height: 18px; }

.settings-layout {
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 26px;
}

.settings-tabs { gap: 3px; padding-right: 20px; }

.settings-tab {
  min-height: 44px;
  border-radius: 10px;
  font-weight: 630;
}

.settings-tab.active {
  background: var(--app-text);
  color: var(--app-accent-contrast);
}

.settings-summary,
.usage-balance,
.security-card {
  background: var(--app-subtle);
}

.settings-links { border-radius: 13px; }

.settings-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.settings-link::after { display: none; }
.settings-link .icon { width: 16px; height: 16px; margin-left: auto; color: var(--app-faint); }

.usage-summary,
.security-card,
.mfa-enrollment,
.recovery-card,
.device-card { border-radius: 15px; }

.usage-balance { padding: 18px; }

.security-card {
  padding: 16px;
  background: var(--app-subtle);
}

.device-icon { font: inherit; }

.desktop-access-status { border-radius: 15px; }

.project-item.active,
.settings-tab.active,
.usage-balance,
.security-card,
.device-icon { background-image: none; }

.vm-hero-icon {
  width: 45px;
  height: 45px;
  background: var(--app-text);
  color: var(--app-accent-contrast);
}

.vm-meter > span,
.progress-bar,
.runtime-progress > span,
.desktop-update-progress > span {
  background: var(--app-text);
}

.loading-row::before {
  background: var(--app-text);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--app-text) 8%, transparent);
}

.project-colors label > span:not(.sr-only) {
  border-radius: 50%;
}

/* Keep every standalone action comfortable to tap, on every pointer type. */
body.app-page .linkbtn,
body.app-page .update-badge,
body.app-page .msg .actions button,
body.app-page .machine-confirm-actions button,
body.app-page .modepill,
body.app-page .machine-control-chip,
body.app-page .update-check-button,
body.app-page .compact-button,
body.app-page .admin-report .btn,
body.app-page .model-actions .linkbtn,
body.app-page .acct,
body.app-page .history-button,
body.app-page .project-item {
  min-height: 44px;
}

body.app-page .side-section-head {
  min-height: 44px;
}

body.app-page .side-add,
body.app-page .project-edit {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
}

body.app-page .project-row {
  grid-template-columns: minmax(0, 1fr) 44px;
}

body.app-page .project-colors label {
  min-width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
}

.project-colors input:checked + span {
  box-shadow: 0 0 0 2px var(--app-panel), 0 0 0 4px var(--app-text);
}

@media (max-width: 820px) {
  .desktop-app .chrome { gap: 0; padding: 0; background: var(--app-canvas); }
  .desktop-app .chat-pane { border: 0; border-radius: 0; }
  .settings-layout { display: block; min-height: 0; }
  .settings-tabs {
    flex-direction: row;
    gap: 6px;
    margin: 0 0 20px;
    padding: 0 0 11px;
    overflow-x: auto;
    border: 0;
    border-bottom: 1px solid var(--app-border);
  }
  .settings-tab { flex: 0 0 auto; padding-inline: 13px; }
}

@media (max-width: 620px) {
  .auth { align-items: start; padding-inline: 20px; }
  .auth-box,
  .desktop-app .auth-box {
    width: 100%;
    padding: 16px 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }
  .auth-box h1 { font-size: 33px; }
  .auth-box .auth-title { font-size: 26px; }
  .modal { border-radius: 22px 22px 0 0; }
  .modal-header { padding: 18px 17px 15px; }
  .modal-body { padding: 18px 17px max(24px, env(safe-area-inset-bottom)); }
}