/* Browser — modern flat design */
.browser-app {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  background: var(--space-bg-window, var(--surface-solid));
}

.browser-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  background: var(--space-bg-toolbar, rgba(248,248,249,0.96));
}

[data-theme="dark"] .browser-toolbar {
  background: rgba(36, 36, 40, 0.96);
}

.browser-nav {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: var(--space-radius-md, 8px);
  background: var(--space-bg-hover, rgba(0,0,0,0.04));
  font-size: 16px;
  line-height: 1;
  cursor: default;
  color: var(--space-text-primary, #111827);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.1s ease;
}

.browser-nav:hover { background: var(--space-bg-active, rgba(0,0,0,0.08)); }
.browser-nav:disabled { opacity: 0.4; cursor: default; }

.browser-url {
  flex: 1;
  min-width: 0;
  height: 28px;
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
  border-radius: var(--space-radius-md, 8px);
  padding: 0 12px;
  font: 400 13px / 1.4 -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--space-bg-input, #fff);
  color: var(--space-text-primary, #111827);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

[data-theme="dark"] .browser-url {
  background: var(--space-bg-input, #1c1c1e);
  border-color: var(--space-border-default, rgba(255,255,255,0.1));
}

.browser-url:focus {
  border-color: var(--space-accent, #0066ff);
  box-shadow: 0 0 0 3px var(--space-accent-soft, rgba(0,102,255,0.1));
  outline: none;
}

.browser-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  overflow-x: auto;
}

.browser-tab {
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
  border-radius: var(--space-radius-md, 8px);
  background: var(--space-bg-card, #fff);
  color: var(--space-text-primary, #111827);
  padding: 5px 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 210px;
  cursor: default;
  font-size: 12px;
  transition: background 0.1s ease;
}

[data-theme="dark"] .browser-tab {
  background: rgba(50, 50, 54, 0.8);
}

.browser-tab span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.browser-tab .close {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: default;
  color: var(--space-text-secondary, #6b7280);
  font-size: 12px;
  transition: background 0.1s ease;
}

.browser-tab .close:hover {
  background: var(--space-bg-hover, rgba(0,0,0,0.06));
  color: var(--space-text-primary, #111827);
}

.browser-tab.active {
  border-color: var(--space-accent, #0066ff);
  box-shadow: 0 0 0 2px var(--space-accent-soft, rgba(0,102,255,0.1));
  background: var(--space-accent-soft, rgba(0,102,255,0.06);
}

.browser-quicklinks {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  overflow-x: auto;
}

.browser-quick {
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
  border-radius: var(--space-radius-full, 9999px);
  background: var(--space-bg-card, #fff);
  color: var(--space-text-primary, #111827);
  padding: 5px 12px;
  font-size: 12px;
  cursor: default;
  white-space: nowrap;
  font-weight: 500;
  transition: background 0.1s ease;
}

[data-theme="dark"] .browser-quick {
  background: rgba(50, 50, 54, 0.8);
}

.browser-quick.add {
  font-weight: 600;
  color: var(--space-accent, #0066ff);
}

.browser-quick:hover {
  background: var(--space-accent-soft, rgba(0,102,255,0.08));
}

.browser-content {
  display: flex;
  min-height: 0;
  flex: 1;
}

.browser-frame-wrap {
  flex: 1;
  min-width: 0;
  position: relative;
  display: flex;
}

.browser-frame-blocked {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
  background: var(--space-bg-window, rgba(248,248,252,0.98));
  color: var(--space-text-primary, #111827);
}

.browser-frame-blocked.hidden {
  display: none;
}

.browser-frame-blocked-detail {
  max-width: 420px;
  font-size: 13px;
  color: var(--space-text-secondary, #6b7280);
  line-height: 1.5;
}

.browser-frame-blocked-url {
  font-size: 11px;
  color: var(--space-text-tertiary, #9ca3af);
  word-break: break-all;
  max-width: 90%;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
}

.browser-frame-blocked-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

[data-theme="dark"] .browser-frame-blocked {
  background: rgba(24, 24, 28, 0.98);
}

.browser-frame {
  flex: 1;
  width: 100%;
  border: none;
  background: var(--space-bg-window, #fff);
}

.browser-ai {
  width: min(360px, 45%);
  border-left: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  background: var(--space-bg-sidebar, rgba(250,250,252,0.97));
  display: flex;
  flex-direction: column;
  min-width: 280px;
}

[data-theme="dark"] .browser-ai {
  background: rgba(32, 32, 36, 0.97);
}

.browser-ai.hidden {
  display: none;
}

.browser-ai-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
}

.browser-ai-close {
  border: none;
  border-radius: var(--space-radius-md, 8px);
  background: var(--space-bg-hover, rgba(0,0,0,0.04));
  color: var(--space-text-primary, #111827);
  width: 26px;
  height: 26px;
  cursor: default;
  transition: background 0.1s ease;
}

.browser-ai-close:hover {
  background: var(--space-bg-active, rgba(0,0,0,0.08));
}

.browser-ai-config {
  border-bottom: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  padding: 10px 12px;
}

.browser-ai-config summary {
  cursor: default;
  font-size: 12px;
  font-weight: 600;
  color: var(--space-text-primary, #111827);
}

.browser-ai-config label {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  color: var(--space-text-secondary, #6b7280);
  font-weight: 500;
}

.browser-ai-config input,
.browser-ai-config textarea {
  width: 100%;
  margin-top: 4px;
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
  border-radius: var(--space-radius-sm, 6px);
  background: var(--space-bg-card, #fff);
  color: var(--space-text-primary, #111827);
  padding: 7px 10px;
  font: 400 12px / 1.4 -apple-system, BlinkMacSystemFont, sans-serif;
  transition: border-color 0.15s ease;
}

[data-theme="dark"] .browser-ai-config input,
[data-theme="dark"] .browser-ai-config textarea {
  background: var(--space-bg-input, #1c1c1e);
  border-color: var(--space-border-default, rgba(255,255,255,0.1));
}

.browser-ai-config input:focus,
.browser-ai-config textarea:focus {
  border-color: var(--space-accent, #0066ff);
  outline: none;
}

.browser-ai-warning {
  margin: 8px 0;
  font-size: 11px;
  color: var(--space-text-secondary, #6b7280);
  line-height: 1.4;
  padding: 8px 10px;
  border-radius: var(--space-radius-sm, 6px);
  background: var(--space-warning-soft, rgba(245,158,11,0.08));
  border: 1px solid var(--space-warning-soft, rgba(245,158,11,0.15));
}

.browser-ai-log {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.browser-ai-empty {
  color: var(--space-text-tertiary, #9ca3af);
  font-size: 13px;
  text-align: center;
  padding: 30px 20px;
}

.browser-ai-msg {
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
  border-radius: var(--space-radius-md, 8px);
  padding: 10px;
  background: var(--space-bg-card, #fff);
  font-size: 13px;
}

[data-theme="dark"] .browser-ai-msg {
  background: rgba(50, 50, 54, 0.6);
  border-color: var(--space-border-default, rgba(255,255,255,0.1));
}

.browser-ai-msg.user {
  border-color: var(--space-accent, #0066ff);
  background: var(--space-accent-soft, rgba(0,102,255,0.08));
}

.browser-ai-msg .who {
  font-size: 11px;
  font-weight: 600;
  color: var(--space-text-secondary, #6b7280);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.browser-ai-msg p {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.5;
}

.browser-ai-form {
  border-top: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.browser-ai-form textarea {
  width: 100%;
  border: 1px solid var(--space-border-default, rgba(0,0,0,0.1));
  border-radius: var(--space-radius-md, 8px);
  background: var(--space-bg-card, #fff);
  color: var(--space-text-primary, #111827);
  padding: 10px;
  font: 400 13px / 1.4 -apple-system, BlinkMacSystemFont, sans-serif;
  resize: vertical;
  min-height: 60px;
  transition: border-color 0.15s ease;
}

[data-theme="dark"] .browser-ai-form textarea {
  background: var(--space-bg-input, #1c1c1e);
}

.browser-ai-form textarea:focus {
  border-color: var(--space-accent, #0066ff);
  outline: none;
  box-shadow: 0 0 0 3px var(--space-accent-soft, rgba(0,102,255,0.1));
}

.browser-status {
  border-top: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  padding: 6px 12px;
  font-size: 11px;
  color: var(--space-text-tertiary, #9ca3af);
  background: var(--space-bg-toolbar, rgba(248,248,249,0.92));
  font-weight: 500;
}

[data-theme="dark"] .browser-status {
  background: rgba(36, 36, 40, 0.92);
}

.browser-history {
  border-bottom: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  background: var(--space-bg-window, #fff);
  max-height: 180px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.browser-history.hidden {
  display: none;
}

.browser-history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  border-bottom: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  color: var(--space-text-secondary, #6b7280);
}

.browser-history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
}

.browser-history-empty {
  padding: 12px;
  font-size: 13px;
  color: var(--space-text-tertiary, #9ca3af);
  text-align: center;
}

.browser-history-item {
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  padding: 8px 12px;
  cursor: default;
  color: var(--space-text-primary, #111827);
  border-bottom: 1px solid var(--space-border-subtle, rgba(0,0,0,0.04));
  transition: background 0.1s ease;
}

.browser-history-item:hover {
  background: var(--space-bg-hover, rgba(0,0,0,0.04));
}

.browser-history-title {
  display: block;
  font-size: 13px;
  font-weight: 500;
}

.browser-history-url {
  display: block;
  font-size: 11px;
  color: var(--space-text-tertiary, #9ca3af);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 2px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
}