/* ═══════════════════════════════════════════════
   Stream UI — 스트림 패널, 토스트, 연결 배너, 스피너, 체크포인트 Diff
   jobs.css에서 분리됨
   ═══════════════════════════════════════════════ */

/* ── Stream Panel ── */
.stream-panel {
  background: var(--bg);
  border-top: 1px solid var(--border);
  animation: streamSlideDown 0.25s ease;
}

@keyframes streamSlideDown {
  from { opacity: 0; max-height: 0; }
  to { opacity: 1; max-height: 600px; }
}

.stream-pulse {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  color: var(--blue);
  font-weight: 500;
}

.stream-content {
  max-height: 400px;
  overflow-y: auto;
  padding: 14px 18px;
  background: var(--stream-bg, #080a0e);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.7;
  scroll-behavior: smooth;
}

.stream-content::-webkit-scrollbar-thumb { background: var(--border-light); }

.stream-event {
  padding: 3px 0;
  word-break: break-word;
}

.stream-event + .stream-event {
  margin-top: 2px;
}

.stream-event-text {
  color: var(--text);
  white-space: pre-wrap;
}

.stream-event-tool {
  color: var(--yellow);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 4px 0;
}

.stream-tool-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--yellow-dim);
  color: var(--yellow);
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.stream-tool-badge::before {
  content: '>';
  opacity: 0.5;
}

.stream-tool-input {
  color: var(--text-secondary);
  white-space: pre-wrap;
  flex: 1;
  min-width: 0;
}

.stream-event-result {
  color: var(--green);
  padding: 6px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.stream-result-icon {
  color: var(--green);
  flex-shrink: 0;
  font-weight: 700;
}

.stream-result-text {
  white-space: pre-wrap;
  flex: 1;
  min-width: 0;
}

.stream-event-error {
  color: var(--red);
  padding: 4px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.stream-error-icon {
  color: var(--red);
  flex-shrink: 0;
  font-weight: 700;
}

.stream-error-text {
  white-space: pre-wrap;
  flex: 1;
  min-width: 0;
}

.stream-empty {
  color: var(--text-muted);
  text-align: center;
  padding: 24px;
  font-size: 0.8rem;
}

.stream-no-output {
  color: var(--text-muted);
  text-align: center;
  padding: 24px;
  font-size: 0.8rem;
  font-style: italic;
  opacity: 0.7;
}

.stream-error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.stream-error-state svg { opacity: 0.5; }
.stream-error-state .btn { margin-top: 4px; }

.stream-poll-warning {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--yellow-dim, rgba(234, 179, 8, 0.1));
  color: var(--yellow, #eab308);
  font-size: 0.75rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(234, 179, 8, 0.15);
  animation: pollWarnIn 0.3s ease;
}
.stream-poll-warning svg { flex-shrink: 0; opacity: 0.7; }
@keyframes pollWarnIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

.stream-done-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--green-dim);
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 600;
  border-top: 1px solid rgba(52, 211, 153, 0.2);
}

.stream-done-banner.failed {
  background: var(--red-dim);
  color: var(--red);
  border-top-color: rgba(248, 113, 113, 0.2);
}

/* ── User Error Card ── */
.user-error-card {
  margin: 0;
  padding: 12px 18px;
  background: var(--red-dim);
  border-top: 1px solid rgba(248, 113, 113, 0.15);
  font-size: 0.78rem;
  line-height: 1.5;
}
.user-error-summary {
  font-weight: 700;
  color: var(--red);
  margin-bottom: 4px;
}
.user-error-cause {
  color: var(--text-secondary, var(--text-muted));
  margin-bottom: 6px;
}
.user-error-steps {
  margin: 0 0 6px 0;
  padding-left: 18px;
  color: var(--text);
}
.user-error-steps li {
  margin-bottom: 2px;
}
.user-error-details {
  margin-top: 6px;
}
.user-error-details summary {
  cursor: pointer;
  font-size: 0.7rem;
  color: var(--text-muted);
  user-select: none;
}
.user-error-details summary:hover {
  color: var(--text);
}
.user-error-raw {
  margin-top: 6px;
  padding: 8px 10px;
  background: var(--bg-secondary, rgba(0,0,0,0.15));
  border-radius: var(--radius);
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 200px;
  overflow-y: auto;
}

.stream-event-result-error .stream-result-icon {
  color: var(--red);
}
.stream-event-result-error .stream-result-text {
  color: var(--red);
}

/* ── Stream Action Buttons ── */
.stream-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.stream-actions .btn svg { flex-shrink: 0; }

/* ── Follow-up Input in Stream Panel ── */
.stream-followup {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.stream-followup-label {
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.followup-input-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}

.followup-input {
  flex: 1;
  padding: 6px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color var(--transition);
}

.followup-input:focus {
  border-color: var(--accent);
}

.followup-input::placeholder {
  color: var(--text-muted);
  font-size: 0.72rem;
}

.followup-previews {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0 18px;
}

.followup-previews:empty { display: none; }

.followup-file-chip {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  background: var(--green-dim);
  color: var(--green);
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* ── Connection Lost Banner ── */
.conn-lost-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--red-dim);
  border-bottom: 1px solid var(--red);
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 500;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}

.conn-lost-banner.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.conn-lost-banner svg { flex-shrink: 0; }

/* ── Toast ── */
.toast-container {
  position: fixed;
  top: 70px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  --toast-duration: 3000ms;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 500;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: var(--shadow);
  animation: toastIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.toast .toast-msg { flex: 1; }
.toast .toast-close {
  font-size: 1.1rem;
  opacity: 0.4;
  margin-left: 4px;
  line-height: 1;
}
.toast:hover .toast-close { opacity: 0.8; }

.toast.success { border-color: var(--green); color: var(--green); }
.toast.error { border-color: var(--red); color: var(--red); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(20px); }
}

/* ── Spinner ── */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Checkpoint Diff Viewer ── */
.ckpt-panel {
  border-top: 1px solid var(--border, #2a2a2a);
  padding: 12px 0 0;
  margin-top: 10px;
}
.ckpt-loading, .ckpt-empty {
  color: var(--text-muted, #888);
  font-size: 0.8rem;
  text-align: center;
  padding: 16px 0;
}
.ckpt-hint {
  color: var(--text-muted, #888);
  font-size: 0.72rem;
  margin: 4px 0 8px;
}
.ckpt-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.ckpt-select-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ckpt-select-group label {
  font-size: 0.68rem;
  color: var(--text-muted, #888);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.ckpt-select-group select {
  background: var(--bg-secondary, #1a1a1a);
  color: var(--text, #e0e0e0);
  border: 1px solid var(--border, #2a2a2a);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 0.78rem;
  font-family: inherit;
  min-width: 180px;
}
.ckpt-arrow {
  color: var(--text-muted, #888);
  font-size: 1.1rem;
  margin-top: 14px;
}
.diff-summary {
  display: flex;
  gap: 12px;
  font-size: 0.78rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border, #2a2a2a);
  margin-bottom: 8px;
}
.diff-stat-files { color: var(--text, #e0e0e0); }
.diff-stat-add { color: #4ade80; }
.diff-stat-del { color: #f87171; }
.diff-file {
  margin-bottom: 6px;
  border: 1px solid var(--border, #2a2a2a);
  border-radius: 6px;
  overflow: hidden;
}
.diff-file.collapsed .diff-file-body { display: none; }
.diff-file-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: var(--bg-secondary, #1a1a1a);
  cursor: pointer;
  font-size: 0.78rem;
  user-select: none;
}
.diff-file-header:hover { background: var(--bg-hover, #222); }
.diff-file-name {
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--text, #e0e0e0);
  font-weight: 500;
}
.diff-file-stats {
  display: flex;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 600;
}
.diff-file-body { overflow-x: auto; }
.diff-code {
  margin: 0;
  padding: 0;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.74rem;
  line-height: 1.45;
  tab-size: 4;
}
.diff-line {
  padding: 0 10px;
  white-space: pre;
  min-height: 1.45em;
}
.diff-add {
  background: rgba(74, 222, 128, 0.1);
  color: #4ade80;
}
.diff-del {
  background: rgba(248, 113, 113, 0.1);
  color: #f87171;
}
.diff-hunk {
  background: rgba(96, 165, 250, 0.08);
  color: #60a5fa;
  font-style: italic;
  padding-top: 4px;
  padding-bottom: 4px;
  margin-top: 2px;
}
.diff-meta {
  color: var(--text-muted, #888);
  font-style: italic;
}
.diff-result {
  max-height: 500px;
  overflow-y: auto;
}
@media (max-width: 600px) {
  .ckpt-selector { flex-direction: column; align-items: stretch; }
  .ckpt-arrow { display: none; }
  .diff-result { max-height: 350px; }
  .stream-content { max-height: 300px; }
}