/* ========================================
   ACTIONS PANEL - Slide-out Panel Styles
   WorkPilot v5.1.0
   
   Requirements:
   - Handle always visible on right edge (48px)
   - Panel GROWS to fit content (NOT full viewport height)
   - Max-height with scroll when content exceeds
   - Overlays reading pane (no shrink)
   - Rounded left corners + border shadow
   - Slide animation 250-300ms
   ======================================== */

/* ----------------------------------------
   PANEL CONTAINER
   
   Key: NO bottom property - height grows to fit content
   Uses max-height for overflow scrolling
   ---------------------------------------- */

.actions-panel {
  position: fixed;
  /* Align with Subject line:
     - header: 56px
     - icon bar: 44px  
     - tabs: ~48px
     - to field: ~44px
     Total: ~200px to align better with Subject field
  */
  top: calc(var(--header-height, 56px) + 44px + 48px + 52px);
  right: 0;
  /* NO bottom - let height grow to fit content */
  width: var(--actions-panel-width-collapsed, 48px);
  z-index: var(--z-modal, 1000);
  display: flex;
  flex-direction: row;
  align-items: stretch; /* Both handle and content same height */
  pointer-events: auto;
  transition: width var(--actions-panel-animation-duration, 280ms) var(--actions-panel-animation-easing, ease);
}

/* State: Expanded */
.actions-panel[data-state="expanded"] {
  width: calc(var(--actions-panel-width-expanded, 280px) + var(--actions-panel-width-collapsed, 48px));
}

/* State: Hidden (no content loaded) */
.actions-panel[data-visible="false"] {
  pointer-events: none;
  opacity: 0;
}

/* ----------------------------------------
   COLLAPSED HANDLE (Always visible strip)
   
   Key: min-height ~200px, grows with content
   Contains: icon, badge, vertical text, arrow
   ---------------------------------------- */

.actions-panel-handle {
  width: var(--actions-panel-width-collapsed, 48px);
  min-width: var(--actions-panel-width-collapsed, 48px);
  /* Match content height when expanded, auto when collapsed */
  align-self: stretch;
  background: var(--actions-panel-handle-bg, var(--color-surface-secondary));
  border-top-left-radius: var(--actions-panel-border-radius, 12px);
  border-bottom-left-radius: var(--actions-panel-border-radius, 12px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: var(--space-2, 8px) 0;
  gap: var(--space-1, 4px);
  cursor: pointer;
  transition: background-color var(--transition-fast, 150ms);
  position: relative;
  /* Button reset */
  border: none;
  border-left: 1px solid var(--color-border);
  font-family: inherit;
  box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
}

/* When collapsed, handle should be compact */
.actions-panel[data-state="collapsed"] .actions-panel-handle {
  align-self: flex-start;
}

.actions-panel-handle:hover {
  background: var(--color-background-alt);
}

.actions-panel-handle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

/* Glow effect when suggestions available */
.actions-panel[data-has-plans="true"] .actions-panel-handle {
  box-shadow: var(--actions-panel-glow-size, 0 0 20px) var(--actions-panel-glow-color, rgba(37, 99, 235, 0.5));
  animation: panel-glow 2s ease-in-out infinite;
}

@keyframes panel-glow {
  0%, 100% {
    box-shadow: 0 0 15px var(--actions-panel-glow-color, rgba(37, 99, 235, 0.4));
  }
  50% {
    box-shadow: 0 0 25px var(--actions-panel-glow-color, rgba(37, 99, 235, 0.6));
  }
}

/* Progress ring wrapper (visible during execution) */
.actions-panel-handle-progress {
  position: relative;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Progress ring SVG */
.actions-panel-progress-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 28px;
  height: 28px;
  transform: rotate(-90deg);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.actions-panel[data-executing="true"] .actions-panel-progress-ring {
  opacity: 1;
}

.actions-panel-progress-ring .progress-track {
  stroke: var(--color-border);
}

.actions-panel-progress-ring .progress-fill {
  stroke: var(--color-primary);
  stroke-linecap: round;
  transition: stroke-dashoffset 0.3s ease;
}

/* Handle Icon (⚡) */
.actions-panel-handle-icon {
  font-size: 1.25rem;
  z-index: 1;
}

/* Badge (step count or progress like "2/4") */
.actions-panel-handle-badge {
  background: var(--actions-panel-badge-bg, var(--color-primary));
  color: var(--actions-panel-badge-text, #ffffff);
  font-size: var(--font-size-xs, 10px);
  font-weight: var(--font-weight-semibold, 600);
  padding: 2px 6px;
  border-radius: var(--radius-full, 9999px);
  min-width: 20px;
  text-align: center;
  margin-bottom: var(--space-2, 8px);
}

.actions-panel-handle-badge:empty {
  display: none;
}

/* Vertical Label ("Actions" rotated) */
.actions-panel-handle-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  font-size: var(--font-size-xs, 11px);
  font-weight: var(--font-weight-semibold, 600);
  color: var(--color-text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  /* Label at top, not pushed to bottom */
  margin: 0;
  padding: var(--space-2, 8px) 0;
}

/* Expand/Collapse Arrow */
.actions-panel-handle-arrow {
  font-size: var(--font-size-sm, 12px);
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}

.actions-panel[data-state="expanded"] .actions-panel-handle-arrow {
  transform: rotate(180deg);
}

/* ----------------------------------------
   EXPANDED CONTENT AREA
   
   Key: Slides in from right, overlays reading pane
   Contains: header, body (suggestions + timeline), footer
   ---------------------------------------- */

.actions-panel-content {
  flex: 1;
  width: 0;
  max-height: var(--actions-panel-max-height, 60vh);
  background: var(--actions-panel-content-bg, var(--color-surface));
  border-left: 1px solid var(--color-border);
  border-top-left-radius: var(--actions-panel-border-radius, 12px);
  border-bottom-left-radius: var(--actions-panel-border-radius, 12px);
  box-shadow: var(--actions-panel-shadow, -4px 0 20px rgba(0, 0, 0, 0.15));
  overflow: hidden;
  opacity: 0;
  transition: 
    width var(--actions-panel-animation-duration, 280ms) var(--actions-panel-animation-easing),
    opacity var(--actions-panel-animation-duration, 280ms) var(--actions-panel-animation-easing);
  display: flex;
  flex-direction: column;
}

.actions-panel[data-state="expanded"] .actions-panel-content {
  width: var(--actions-panel-width-expanded, 280px);
  opacity: 1;
}

/* ----------------------------------------
   PANEL HEADER
   Contains: Title, close button, success bar
   ---------------------------------------- */

.actions-panel-header {
  padding: var(--space-3, 12px) var(--space-4, 16px);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.actions-panel-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2, 8px);
}

.actions-panel-header-row:last-child {
  margin-bottom: 0;
}

.actions-panel-title {
  font-size: var(--font-size-base, 14px);
  font-weight: var(--font-weight-semibold, 600);
  color: var(--color-text);
  margin: 0;
}

.actions-panel-close {
  background: none;
  border: none;
  padding: var(--space-1, 4px);
  cursor: pointer;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm, 4px);
  transition: background-color var(--transition-fast);
  font-size: 1rem;
  line-height: 1;
}

.actions-panel-close:hover {
  background: var(--color-background-alt);
  color: var(--color-text);
}

/* Close button hidden when locked during execution */
.actions-panel[data-locked="true"] .actions-panel-close {
  display: none;
}

/* Success Bar (in header) */
.actions-panel-success-bar {
  background: var(--color-success-light);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-sm, 4px);
  padding: var(--space-2, 8px) var(--space-3, 12px);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2, 8px);
  font-size: var(--font-size-sm, 12px);
  color: var(--color-success-dark);
}

.actions-panel-success-bar[data-visible="false"] {
  display: none;
}

.actions-panel-success-icon {
  font-size: 1rem;
  flex-shrink: 0;
  line-height: 1.3;
}

.actions-panel-success-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.actions-panel-success-text {
  font-weight: var(--font-weight-semibold, 600);
}

.actions-panel-success-goal {
  font-size: var(--font-size-xs, 11px);
  color: var(--color-text-secondary, #6b7280);
  line-height: 1.3;
}

.actions-panel-success-goal:empty {
  display: none;
}

/* Warning bar variant */
.actions-panel-success-bar[data-status="warning"] {
  background: var(--color-warning-light);
  border-color: var(--color-warning);
  color: var(--color-amber-800);
}

/* Running bar variant */
.actions-panel-success-bar[data-status="running"] {
  background: var(--color-info-light);
  border-color: var(--color-info);
  color: var(--color-blue-800);
}

/* ----------------------------------------
   PANEL BODY (Scrollable)
   Contains: Suggestions section + Timeline section
   ---------------------------------------- */

.actions-panel-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-3, 12px);
}

/* ----------------------------------------
   SUGGESTIONS SECTION
   Collapsible list of suggested actions
   ---------------------------------------- */

.actions-panel-suggestions {
  margin-bottom: var(--space-4, 16px);
}

.actions-panel-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2, 8px) 0;
  cursor: pointer;
  user-select: none;
}

.actions-panel-section-title {
  font-size: var(--font-size-sm, 12px);
  font-weight: var(--font-weight-semibold, 600);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.actions-panel-section-toggle {
  font-size: var(--font-size-xs, 10px);
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}

.actions-panel-suggestions[data-collapsed="true"] .actions-panel-section-toggle {
  transform: rotate(-90deg);
}

.actions-panel-suggestions-list {
  display: flex;
  flex-direction: column;
  gap: 0; /* No gap - use border separators */
}

.actions-panel-suggestions[data-collapsed="true"] .actions-panel-suggestions-list {
  display: none;
}

/* Individual suggestion card - match original plan-suggestion style */
.actions-panel-suggestion {
  display: flex;
  align-items: center;
  gap: var(--space-2, 8px);
  padding: var(--space-2, 8px) var(--space-2, 8px);
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  border-bottom: 1px solid var(--color-border-light, rgba(0, 0, 0, 0.08));
}

.actions-panel-suggestion:last-child {
  border-bottom: none;
}

.actions-panel-suggestion:hover {
  background: var(--color-bg, var(--color-surface-tertiary));
  border-color: var(--color-border);
}

.actions-panel-suggestion.is-recommended {
  background: var(--color-primary-lighter, rgba(37, 99, 235, 0.05));
}

/* Icon - square with background */
.actions-panel-suggestion-icon {
  font-size: 18px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg, var(--color-surface-tertiary));
  border-radius: var(--radius-md, 8px);
  flex-shrink: 0;
}

/* Content area - name + pipeline */
.actions-panel-suggestion-content {
  flex: 1;
  min-width: 0;
}

.actions-panel-suggestion-name {
  font-size: var(--font-size-sm, 13px);
  font-weight: var(--font-weight-semibold, 600);
  color: var(--color-text);
  margin: 0 0 2px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.actions-panel-suggestion-pipeline {
  font-size: var(--font-size-xs, 10px);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 3px;
  flex-wrap: wrap;
}

.actions-panel-suggestion-pipeline .pipeline-step {
  background: rgba(0,0,0,0.05);
  padding: 1px 4px;
  border-radius: 3px;
}

.actions-panel-suggestion-pipeline .pipeline-arrow {
  color: var(--color-text-muted);
  opacity: 0.5;
  font-size: 8px;
}

/* Actions area - score + run button */
.actions-panel-suggestion-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1, 4px);
  flex-shrink: 0;
}

/* Score - bold with colors like original */
.actions-panel-suggestion-score {
  font-size: var(--font-size-base, 14px);
  font-weight: var(--font-weight-bold, 700);
  min-width: 36px;
  text-align: right;
}

.actions-panel-suggestion-score.score--high {
  color: var(--color-green-500);
}

.actions-panel-suggestion-score.score--medium {
  color: var(--color-amber-500);
}

.actions-panel-suggestion-score.score--low {
  color: var(--color-text-muted);
}

/* Run button */
.actions-panel-suggestion-run {
  width: 24px;
  height: 24px;
  border: none;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm, 4px);
  cursor: pointer;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.actions-panel-suggestion:hover .actions-panel-suggestion-run {
  opacity: 1;
}

.actions-panel-suggestion-run:hover {
  background: var(--color-primary-dark, var(--color-primary-dark));
}

/* ----------------------------------------
   TIMELINE SECTION
   Shows execution progress - reuses timeline-step styles from outputPanel.css
   ---------------------------------------- */

.actions-panel-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-2, 8px);
}

.actions-panel-timeline[data-visible="false"] {
  display: none;
}

.actions-panel-timeline-title {
  font-size: var(--font-size-xs, 11px);
  font-weight: var(--font-weight-semibold, 600);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-2, 8px) 0;
}

/* Timeline steps container */
.actions-panel-timeline-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-2, 8px);
}

/* Override timeline-step for narrower panel context */
.actions-panel-timeline-steps .timeline-step {
  padding: var(--space-2, 8px);
}

.actions-panel-timeline-steps .timeline-step__icon {
  width: 28px;
  height: 28px;
  font-size: 16px;
}

.actions-panel-timeline-steps .timeline-step__label {
  font-size: var(--font-size-sm, 13px);
}

.actions-panel-timeline-steps .timeline-step__summary {
  font-size: var(--font-size-xs, 11px);
}

.actions-panel-timeline-steps .timeline-step__status {
  font-size: 14px;
  width: 20px;
}

/* ----------------------------------------
   EMPTY STATE
   Shown when no content loaded
   ---------------------------------------- */

.actions-panel-empty {
  text-align: center;
  padding: var(--space-6, 24px) var(--space-4, 16px);
  color: var(--color-text-secondary);
}

.actions-panel-empty[data-visible="false"] {
  display: none;
}

.actions-panel-empty-icon {
  font-size: 2rem;
  margin-bottom: var(--space-2, 8px);
  opacity: 0.5;
}

.actions-panel-empty-text {
  font-size: var(--font-size-sm, 12px);
  line-height: var(--line-height-base, 1.5);
  margin: 0;
}

/* Analyzing state */
.actions-panel-analyzing {
  text-align: center;
  padding: var(--space-6, 24px) var(--space-4, 16px);
  color: var(--color-text-secondary);
}

.actions-panel-analyzing[data-visible="false"] {
  display: none;
}

.actions-panel-analyzing-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--space-2, 8px);
}

.actions-panel-analyzing-text {
  font-size: var(--font-size-sm, 12px);
  margin: 0;
}

/* ----------------------------------------
   PANEL FOOTER
   Contains action buttons (Run Plan, etc.)
   ---------------------------------------- */

.actions-panel-footer {
  padding: var(--space-3, 12px) var(--space-4, 16px);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.actions-panel-footer[data-visible="false"] {
  display: none;
}

.actions-panel-run-btn {
  width: 100%;
  padding: var(--space-2, 8px) var(--space-4, 16px);
  background: var(--gradient-primary, var(--color-primary));
  color: white;
  border: none;
  border-radius: var(--radius-md, 8px);
  font-size: var(--font-size-sm, 12px);
  font-weight: var(--font-weight-semibold, 600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.actions-panel-run-btn:hover {
  background: var(--gradient-primary-hover, var(--color-primary-dark));
  box-shadow: var(--shadow-primary);
}

.actions-panel-run-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

/* ----------------------------------------
   RESPONSIVE: Mobile (<768px)
   Panel still slides from right, overlays content
   ---------------------------------------- */

@media (max-width: 768px) {
  .actions-panel {
    max-height: 60vh;
  }
  
  .actions-panel[data-state="expanded"] {
    width: calc(100vw - var(--space-4, 16px));
    max-width: 360px;
  }
  
  .actions-panel-content {
    width: calc(100vw - var(--space-4, 16px) - var(--actions-panel-width-collapsed, 48px));
    max-width: calc(360px - var(--actions-panel-width-collapsed, 48px));
  }
}

/* ----------------------------------------
   DARK MODE SUPPORT
   ---------------------------------------- */

@media (prefers-color-scheme: dark) {
  .actions-panel-success-bar {
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--color-success);
  }
  
  .actions-panel-success-bar[data-status="warning"] {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--color-warning);
  }
}