/* ============================================================
   Opus AI — Component Styles
   ============================================================ */

/* ─── Buttons ──────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  outline: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--opus-gradient-primary);
  color: #fff;
  border-color: rgba(124, 58, 237, 0.5);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 32px var(--opus-violet-glow);
}

.btn-secondary {
  background: var(--opus-bg-glass);
  color: var(--opus-text-primary);
  border-color: var(--opus-border);
  backdrop-filter: blur(12px);
}
.btn-secondary:hover {
  border-color: var(--opus-border-hover);
  background: var(--opus-bg-glass-hover);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  color: var(--opus-rose);
  border-color: rgba(244, 63, 94, 0.3);
}
.btn-danger:hover {
  background: rgba(244, 63, 94, 0.25);
  border-color: rgba(244, 63, 94, 0.5);
}

.btn-success {
  background: rgba(52, 211, 153, 0.15);
  color: var(--opus-emerald);
  border-color: rgba(52, 211, 153, 0.3);
}
.btn-success:hover {
  background: rgba(52, 211, 153, 0.25);
  border-color: rgba(52, 211, 153, 0.5);
}

.btn-icon {
  padding: 8px;
  aspect-ratio: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

/* ─── Glass Card ──────────────────── */
.glass-card {
  background: var(--opus-bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--opus-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-inset), var(--shadow-md);
  transition: all var(--transition-base);
}

.glass-card:hover {
  border-color: var(--opus-border-hover);
  box-shadow: var(--shadow-inset), var(--shadow-lg);
}

.glass-card-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--opus-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.glass-card-body {
  padding: var(--space-lg);
}

/* ─── Forms ──────────────────── */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--opus-text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 10px 14px;
  background: rgba(10, 10, 25, 0.6);
  border: 1px solid var(--opus-border);
  border-radius: var(--radius-md);
  color: var(--opus-text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--opus-violet);
  box-shadow: 0 0 0 3px var(--opus-violet-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-sans);
  line-height: 1.6;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239b95b0' viewBox='0 0 16 16'%3E%3Cpath d='M1.5 5.5l6.5 6.5 6.5-6.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ─── Status Badges ──────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-queued {
  background: rgba(251, 191, 36, 0.15);
  color: var(--opus-amber);
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge-running {
  background: rgba(56, 189, 248, 0.15);
  color: var(--opus-sky);
  border: 1px solid rgba(56, 189, 248, 0.3);
  animation: pulse-badge 2s infinite;
}

.badge-completed {
  background: var(--opus-emerald-glow);
  color: var(--opus-emerald);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.badge-failed {
  background: var(--opus-rose-glow);
  color: var(--opus-rose);
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-pending_review {
  background: rgba(124, 58, 237, 0.15);
  color: var(--opus-violet-light);
  border: 1px solid rgba(124, 58, 237, 0.3);
  animation: pulse-badge 2s infinite;
}

.badge-cancelled {
  background: rgba(100, 100, 120, 0.15);
  color: var(--opus-text-muted);
  border: 1px solid rgba(100, 100, 120, 0.3);
}

.badge-active {
  background: var(--opus-emerald-glow);
  color: var(--opus-emerald);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

/* ─── Terminal ──────────────────── */
.terminal {
  background: #0a0a14;
  border: 1px solid var(--opus-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px var(--space-md);
  background: rgba(18, 18, 42, 0.8);
  border-bottom: 1px solid var(--opus-border);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot-red { background: #f43f5e; }
.terminal-dot-yellow { background: #fbbf24; }
.terminal-dot-green { background: #34d399; }

.terminal-title {
  font-size: 0.8125rem;
  color: var(--opus-text-muted);
  font-family: var(--font-mono);
  margin-left: var(--space-sm);
}

.terminal-body {
  padding: var(--space-md);
  max-height: 500px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: #c4c4d0;
  white-space: pre-wrap;
  word-break: break-word;
}

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--opus-violet-light);
  animation: blink-cursor 1s step-end infinite;
  vertical-align: text-bottom;
}

/* ─── Event Feed (Claude streaming) ──────────────────── */
.terminal-body:has(.event-feed) {
  padding: 0;
  white-space: normal;
}

.event-feed {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-md);
}

.event {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border-left: 2px solid transparent;
  font-size: 0.8125rem;
  line-height: 1.55;
  animation: fade-in 180ms ease-out;
}

.event-icon {
  font-size: 1rem;
  line-height: 1.2;
  text-align: center;
  user-select: none;
}

.event-body {
  min-width: 0;
  word-break: break-word;
}

.event-title {
  font-weight: 600;
  color: #e4e4f0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.event-meta {
  font-size: 0.75rem;
  color: var(--opus-text-muted);
  font-family: var(--font-mono);
  margin-top: 2px;
}

.event-meta code {
  background: rgba(124, 58, 237, 0.12);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.7rem;
}

.event-text { font-family: inherit; }
.event-prose {
  white-space: pre-wrap;
  font-family: var(--font-sans, inherit);
  font-size: 0.875rem;
  line-height: 1.6;
  color: #d4d4e0;
}

.event-detail {
  margin-top: 4px;
}
.event-detail summary {
  cursor: pointer;
  color: var(--opus-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  list-style: none;
  padding: 2px 0;
  outline: none;
}
.event-detail summary::-webkit-details-marker { display: none; }
.event-detail summary::before {
  content: '▸ ';
  display: inline-block;
  transition: transform 120ms;
}
.event-detail[open] summary::before { content: '▾ '; }
.event-detail pre {
  margin: 6px 0 0;
  padding: 8px 10px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 4px;
  font-size: 0.7rem;
  max-height: 280px;
  overflow: auto;
  color: #aab;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Type variants */
.event-init       { border-left-color: var(--opus-violet-light); background: rgba(124, 58, 237, 0.06); }
.event-tool       { border-left-color: var(--opus-sky, #38bdf8); background: rgba(56, 189, 248, 0.05); }
.event-tool-name  { color: var(--opus-sky, #38bdf8); }
.event-result     { border-left-color: rgba(52, 211, 153, 0.6); background: rgba(52, 211, 153, 0.04); }
.event-result.event-error { border-left-color: var(--opus-rose, #f43f5e); background: rgba(244, 63, 94, 0.06); }
.event-text       { border-left-color: rgba(255, 255, 255, 0.15); }
.event-thinking   { border-left-color: rgba(180, 180, 220, 0.25); background: rgba(180, 180, 220, 0.03); }
.event-thinking .event-prose { color: #9999b0; font-style: italic; }
.event-log        { border-left-color: rgba(251, 191, 36, 0.6); background: rgba(251, 191, 36, 0.04); }
.event-final.event-success { border-left-color: var(--opus-emerald, #34d399); background: rgba(52, 211, 153, 0.08); }
.event-final.event-failure { border-left-color: var(--opus-rose, #f43f5e); background: rgba(244, 63, 94, 0.08); }
.event-raw        { border-left-color: rgba(255, 255, 255, 0.1); font-family: var(--font-mono); }
.event-user-msg   { border-left-color: var(--opus-violet-light); background: rgba(124, 58, 237, 0.1); }
.event-user-msg .event-prose { color: #f0f0ff; font-weight: 500; }

/* ─── Input Box (reply / live chat) ──────────────────── */
.input-box {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: rgba(124, 58, 237, 0.04);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.input-box-live {
  background: rgba(52, 211, 153, 0.04);
  border-color: rgba(52, 211, 153, 0.3);
  position: relative;
}
.input-box-live::before {
  content: '';
  position: absolute;
  top: 10px; right: 12px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--opus-emerald, #34d399);
  box-shadow: 0 0 8px var(--opus-emerald, #34d399);
  animation: blink-cursor 1.2s ease-in-out infinite;
}
.input-box-label {
  font-size: 0.8125rem;
  color: var(--opus-text-muted);
  font-weight: 500;
}
.input-box .form-textarea {
  min-height: 64px;
  font-family: var(--font-sans, inherit);
}
.input-box .btn { align-self: flex-end; }

.task-parent-link {
  display: inline-block;
  margin-top: 6px;
  padding: 4px 10px;
  background: rgba(124, 58, 237, 0.12);
  border-radius: 12px;
  font-size: 0.75rem;
  color: var(--opus-violet-light);
  cursor: pointer;
  transition: background 120ms;
}
.task-parent-link:hover { background: rgba(124, 58, 237, 0.22); }

/* ─── Creator Badge ──────────────────── */
.creator-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 3px 8px 3px 3px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  font-size: 0.75rem;
  color: var(--opus-text-muted);
  max-width: fit-content;
}
.creator-badge-mine {
  background: rgba(124, 58, 237, 0.15);
  border-color: rgba(124, 58, 237, 0.35);
  color: var(--opus-violet-light);
}
.creator-badge-avatar {
  width: 18px; height: 18px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.08);
  font-size: 0.7rem;
  object-fit: cover;
}

/* ─── Folder Picker ──────────────────── */
.folder-picker {
  display: flex; gap: 8px; align-items: center;
}
.folder-picker-current {
  flex: 1;
  padding: 8px 12px;
  background: rgba(124, 58, 237, 0.08);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--opus-text);
  word-break: break-all;
}
.folder-picker-toolbar {
  margin-bottom: var(--space-sm);
}
.folder-picker-path {
  display: block;
  padding: 8px 12px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--opus-emerald, #34d399);
  word-break: break-all;
}
.folder-picker-list {
  max-height: 320px;
  overflow-y: auto;
  border: 1px solid var(--opus-border);
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.2);
}
.folder-picker-row {
  padding: 10px 12px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 100ms;
}
.folder-picker-row:hover { background: rgba(124,58,237,0.12); }
.folder-picker-row:last-child { border-bottom: none; }
.folder-picker-create {
  display: flex; gap: 8px; margin-top: var(--space-sm);
}
.folder-picker-create .form-input { flex: 1; }

/* ─── Image Uploader ──────────────────── */
.uploader-toolbar {
  display: flex; align-items: center; gap: 10px;
  margin-top: 8px;
}
.uploader-hint {
  font-size: 0.75rem;
  color: var(--opus-text-muted);
}
.uploader-target.drag-over {
  outline: 2px dashed var(--opus-violet-light);
  outline-offset: -2px;
  background: rgba(124, 58, 237, 0.08);
}
.image-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.image-attachment {
  position: relative;
  width: 80px; height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--opus-border);
  background: rgba(0,0,0,0.4);
}
.image-attachment img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.image-attachment-remove {
  position: absolute;
  top: 4px; right: 4px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(0,0,0,0.7);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
}
.image-attachment-remove:hover { background: var(--opus-rose, #f43f5e); }

/* ─── Toast ──────────────────── */
.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  padding: 14px 20px;
  background: var(--opus-bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--opus-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 320px;
  animation: slide-in-right var(--transition-base) forwards;
  font-size: 0.875rem;
}

.toast-success { border-left: 3px solid var(--opus-emerald); }
.toast-error { border-left: 3px solid var(--opus-rose); }
.toast-info { border-left: 3px solid var(--opus-sky); }
.toast-warning { border-left: 3px solid var(--opus-amber); }

/* ─── Modal ──────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  animation: fade-in 200ms ease-out;
}

.modal {
  background: var(--opus-bg-secondary);
  border: 1px solid var(--opus-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  animation: scale-in 250ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--opus-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--opus-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* ─── Empty State ──────────────────── */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.empty-state-text {
  color: var(--opus-text-muted);
  font-size: 0.875rem;
  max-width: 360px;
  margin: 0 auto;
}

/* ─── Skeleton Loader ──────────────────── */
.skeleton {
  background: linear-gradient(90deg,
    rgba(120, 90, 255, 0.06) 25%,
    rgba(120, 90, 255, 0.12) 50%,
    rgba(120, 90, 255, 0.06) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text { height: 14px; margin-bottom: 8px; }
.skeleton-title { height: 20px; width: 60%; margin-bottom: 12px; }
.skeleton-avatar { width: 40px; height: 40px; border-radius: 50%; }

/* ─── Spinner ──────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(120, 90, 255, 0.2);
  border-top-color: var(--opus-violet);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-lg { width: 40px; height: 40px; border-width: 3px; }