/* ============================================================
   ATM Remote — Mobile Web Client Styles
   ============================================================ */

/* ─── CSS Custom Properties ─────────────────────────────────── */
:root {
  /* Core palette */
  --bg:          #0d1117;
  --surface:     #161b22;
  --surface-2:   #1c2129;
  --border:      #30363d;
  --border-light:#484f58;
  --text:        #e6edf3;
  --text-muted:  #8b949e;
  --text-dim:    #6e7681;

  /* Accent / brand */
  --accent:      #4a9eff;
  --accent-dim:  #1a3a5c;

  /* Node kind colors */
  --kind-team:     #4a9eff;
  --kind-agent:    #f0883e;
  --kind-skill:    #3fb950;
  --kind-pipeline: #d946ef;
  --kind-context:  #f85149;
  --kind-setting:  #a371f7;

  /* Semantic */
  --success:     #3fb950;
  --warning:     #d29922;
  --error:       #f85149;

  /* Spacing */
  --spacing-xs:  4px;
  --spacing-sm:  8px;
  --spacing-md:  16px;
  --spacing-lg:  24px;
  --spacing-xl:  32px;

  /* Radii */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* iOS safe area */
  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left:   env(safe-area-inset-left, 0px);
  --safe-right:  env(safe-area-inset-right, 0px);

  /* Layout */
  --header-h:    52px;
  --bottom-nav-h:56px;
}

/* ─── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
}

#app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}

/* ─── Utility ───────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ─── Connection Status Bar ─────────────────────────────────── */
.status-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  padding-top: calc(var(--spacing-xs) + var(--safe-top));
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
  min-height: calc(var(--header-h) + var(--safe-top));
  flex-shrink: 0;
  z-index: 100;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.connected {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.status-dot.disconnected {
  background: var(--error);
  animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

.status-bar .title {
  font-weight: 600;
  color: var(--text);
  font-size: 0.875rem;
  flex: 1;
}

.status-bar .session-badge {
  font-size: 0.625rem;
  padding: 2px 6px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-family: 'SF Mono', 'Fira Code', monospace;
}

/* ─── Auth Screen ───────────────────────────────────────────── */
.auth-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--spacing-xl);
  padding-top: calc(var(--spacing-xl) + var(--safe-top));
  padding-bottom: calc(var(--spacing-xl) + var(--safe-bottom));
}

.auth-logo {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--accent), var(--kind-pipeline));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--spacing-md);
  letter-spacing: -1px;
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.pin-container {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.pin-input {
  width: 48px;
  height: 56px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  caret-color: var(--accent);
  outline: none;
  transition: border-color 0.15s ease;
  -webkit-appearance: none;
  -moz-appearance: textfield;
}

.pin-input::-webkit-outer-spin-button,
.pin-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.pin-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.pin-input.error {
  border-color: var(--error);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.auth-btn {
  width: 100%;
  max-width: 320px;
  min-height: 48px;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.1s ease;
  -webkit-tap-highlight-color: transparent;
}

.auth-btn:active {
  transform: scale(0.97);
}

.auth-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.auth-error {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid rgba(248, 81, 73, 0.3);
  border-radius: var(--radius-sm);
  color: var(--error);
  font-size: 0.875rem;
  text-align: center;
  max-width: 320px;
  width: 100%;
}

.auth-lockout {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: rgba(248, 81, 73, 0.08);
  border: 1px solid rgba(248, 81, 73, 0.2);
  border-radius: var(--radius-md);
  text-align: center;
  max-width: 320px;
  width: 100%;
}

.auth-lockout .lockout-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.auth-lockout .lockout-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--error);
  margin-bottom: var(--spacing-xs);
}

.auth-lockout .lockout-msg {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.auth-loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ─── Tree Screen ───────────────────────────────────────────── */
.tree-screen {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.tree-content {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: calc(var(--bottom-nav-h) + var(--safe-bottom) + var(--spacing-md));
}

/* ─── Search & Filter ───────────────────────────────────────── */
.search-bar {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 50;
}

.search-input-wrap {
  position: relative;
}

.search-input-wrap svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 40px;
  padding: 0 var(--spacing-md) 0 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s ease;
  -webkit-appearance: none;
}

.search-input::placeholder {
  color: var(--text-dim);
}

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

.filter-chips {
  display: flex;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md) 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.filter-chips::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  flex-shrink: 0;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.filter-chip:active {
  transform: scale(0.95);
}

.filter-chip.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.filter-chip .chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

/* ─── Pull to Refresh ───────────────────────────────────────── */
.pull-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 0;
  overflow: hidden;
  transition: height 0.2s ease;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.pull-indicator.active {
  height: 48px;
}

.pull-indicator .pull-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: var(--spacing-sm);
}

/* ─── Tree Nodes ────────────────────────────────────────────── */
.tree-list {
  padding: var(--spacing-sm);
}

.tree-node {
  margin-bottom: 2px;
}

.tree-node-row {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: var(--spacing-sm) var(--spacing-sm);
  background: var(--surface);
  border-radius: var(--radius-sm);
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: background 0.1s ease;
  -webkit-tap-highlight-color: transparent;
  gap: var(--spacing-sm);
}

.tree-node-row:active {
  background: var(--surface-2);
}

.tree-node-row.kind-team     { border-left-color: var(--kind-team); }
.tree-node-row.kind-agent    { border-left-color: var(--kind-agent); }
.tree-node-row.kind-skill    { border-left-color: var(--kind-skill); }
.tree-node-row.kind-pipeline { border-left-color: var(--kind-pipeline); }
.tree-node-row.kind-context  { border-left-color: var(--kind-context); }
.tree-node-row.kind-setting  { border-left-color: var(--kind-setting); }

.tree-indent {
  flex-shrink: 0;
}

.tree-chevron {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.2s ease;
  border-radius: var(--radius-sm);
}

.tree-chevron:active {
  background: var(--border);
}

.tree-chevron.expanded {
  transform: rotate(90deg);
}

.tree-chevron.empty {
  visibility: hidden;
}

.tree-chevron svg {
  width: 14px;
  height: 14px;
}

.tree-node-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tree-node-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-node-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.kind-badge {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  line-height: 1.4;
}

.kind-badge.team     { background: rgba(74,158,255,0.15); color: var(--kind-team); }
.kind-badge.agent    { background: rgba(240,136,62,0.15);  color: var(--kind-agent); }
.kind-badge.skill    { background: rgba(63,185,80,0.15);   color: var(--kind-skill); }
.kind-badge.pipeline { background: rgba(217,70,239,0.15);  color: var(--kind-pipeline); }
.kind-badge.context  { background: rgba(248,81,73,0.15);   color: var(--kind-context); }
.kind-badge.setting  { background: rgba(163,113,247,0.15); color: var(--kind-setting); }

.tag-chip {
  font-size: 0.625rem;
  padding: 1px 5px;
  border-radius: var(--radius-full);
  background: var(--surface-2);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.tree-children {
  padding-left: var(--spacing-md);
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.tree-children.collapsed {
  max-height: 0 !important;
}

/* ─── Skeleton Loading ──────────────────────────────────────── */
.skeleton {
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-2) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
}

.skeleton-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.skeleton-lines {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.skeleton-line {
  height: 12px;
  border-radius: var(--radius-sm);
}

.skeleton-line.w60 { width: 60%; }
.skeleton-line.w40 { width: 40%; }
.skeleton-line.w80 { width: 80%; }

/* ─── Detail Screen ─────────────────────────────────────────── */
.detail-screen {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.detail-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  padding-top: calc(var(--spacing-sm) + var(--safe-top));
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  min-height: calc(var(--header-h) + var(--safe-top));
  flex-shrink: 0;
  z-index: 100;
}

.back-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  border-radius: var(--radius-sm);
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}

.back-btn:active {
  background: var(--surface-2);
}

.back-btn svg {
  width: 20px;
  height: 20px;
}

.detail-header-info {
  flex: 1;
  min-width: 0;
}

.detail-header-name {
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.detail-content {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--spacing-md);
  padding-bottom: calc(var(--spacing-xl) + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* ─── Detail Cards ──────────────────────────────────────────── */
.detail-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.detail-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border);
  min-height: 44px;
}

.detail-card-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.detail-card-body {
  padding: var(--spacing-md);
}

/* Info rows */
.info-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--spacing-sm) 0;
  gap: var(--spacing-md);
}

.info-row + .info-row {
  border-top: 1px solid var(--border);
}

.info-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.info-value {
  font-size: 0.8125rem;
  color: var(--text);
  text-align: right;
  word-break: break-word;
}

.info-value.redacted {
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--text-dim);
}

/* Prompt body */
.prompt-body {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 200px;
  overflow: hidden;
  transition: max-height 0.3s ease;
  position: relative;
}

.prompt-body.expanded {
  max-height: none;
}

.prompt-body:not(.expanded)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 48px;
  background: linear-gradient(transparent, var(--surface));
  pointer-events: none;
}

.expand-btn {
  display: block;
  width: 100%;
  padding: var(--spacing-sm);
  background: none;
  border: none;
  border-top: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.8125rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.expand-btn:active {
  background: var(--surface-2);
}

/* Tags in detail */
.tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.detail-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

/* Skills list in detail */
.skill-list-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  min-height: 44px;
}

.skill-list-item + .skill-list-item {
  border-top: 1px solid var(--border);
}

.skill-list-item .skill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kind-skill);
  flex-shrink: 0;
}

.skill-list-item .skill-name {
  font-size: 0.875rem;
  color: var(--text);
}

/* Pipeline steps */
.pipeline-step {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  min-height: 44px;
}

.pipeline-step + .pipeline-step {
  border-top: 1px solid var(--border);
}

.step-index {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--kind-pipeline);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-info {
  flex: 1;
  min-width: 0;
}

.step-name {
  font-size: 0.875rem;
  color: var(--text);
}

.step-detail {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ─── Action Buttons ────────────────────────────────────────── */
.action-btns {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0 0;
}

.action-btn {
  flex: 1;
  min-height: 48px;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.1s ease;
  -webkit-tap-highlight-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.action-btn:active {
  transform: scale(0.97);
}

.action-btn.primary {
  background: var(--accent);
  color: #fff;
}

.action-btn.secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.action-btn.danger {
  background: rgba(248,81,73,0.15);
  color: var(--error);
  border: 1px solid rgba(248,81,73,0.3);
}

.action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ─── Edit Mode ─────────────────────────────────────────────── */
.edit-field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.edit-field + .edit-field {
  margin-top: var(--spacing-md);
}

.edit-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.edit-input {
  width: 100%;
  min-height: 44px;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s ease;
  -webkit-appearance: none;
}

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

.edit-textarea {
  min-height: 120px;
  resize: vertical;
  font-family: 'SF Mono', 'Fira Code', monospace;
  line-height: 1.6;
}

/* ─── Bottom Navigation ─────────────────────────────────────── */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: stretch;
  background: var(--surface);
  border-top: 1px solid var(--border);
  min-height: calc(var(--bottom-nav-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  z-index: 200;
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: var(--bottom-nav-h);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.625rem;
  font-weight: 500;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.15s ease;
}

.bottom-nav-item:active {
  background: var(--surface-2);
}

.bottom-nav-item.active {
  color: var(--accent);
}

.bottom-nav-item svg {
  width: 22px;
  height: 22px;
}

/* ─── Stats Bar ─────────────────────────────────────────────── */
.stats-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--surface);
  border-top: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
  flex-shrink: 0;
}

.stats-bar::-webkit-scrollbar {
  display: none;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.6875rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.stat-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.stat-count {
  font-weight: 600;
  color: var(--text);
}

/* ─── Toast Notifications ───────────────────────────────────── */
#toast-container {
  position: fixed;
  top: calc(var(--safe-top) + var(--spacing-md));
  left: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  pointer-events: auto;
  animation: toast-in 0.3s ease forwards;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.toast.success {
  background: rgba(63,185,80,0.95);
  color: #fff;
}

.toast.error {
  background: rgba(248,81,73,0.95);
  color: #fff;
}

.toast.info {
  background: rgba(74,158,255,0.95);
  color: #fff;
}

.toast.removing {
  animation: toast-out 0.3s ease forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(-12px); }
}

/* ─── Empty State ───────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
  text-align: center;
  min-height: 200px;
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text);
}

.empty-state-msg {
  font-size: 0.875rem;
}

/* ─── Transitions ───────────────────────────────────────────── */
.slide-in-right {
  animation: slide-in-right 0.25s ease forwards;
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

.slide-in-left {
  animation: slide-in-left 0.25s ease forwards;
}

@keyframes slide-in-left {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}

.fade-in {
  animation: fade-in 0.2s ease forwards;
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── Media Queries ─────────────────────────────────────────── */
@media (min-width: 600px) {
  .tree-list {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-md);
  }

  .detail-content {
    max-width: 600px;
    margin: 0 auto;
  }

  .pin-input {
    width: 56px;
    height: 64px;
    font-size: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}