/* ============================================================
   ProdKit Design System v1.0
   Calm · Focused · Professional
   ============================================================ */

/* ─── 1. TOKENS ─────────────────────────────────────────────── */
:root {
  /* Neutral scale */
  --pk-gray-0:#ffffff; --pk-gray-50:#f6f8fa; --pk-gray-100:#e6edf3;
  --pk-gray-200:#c9d1d9; --pk-gray-300:#9ba6b4; --pk-gray-400:#6e7681;
  --pk-gray-500:#4d5560; --pk-gray-600:#353c47; --pk-gray-700:#232a36;
  --pk-gray-800:#161b24; --pk-gray-850:#12161e; --pk-gray-900:#0f1218;
  --pk-gray-950:#0a0d12;

  /* Surfaces */
  --pk-bg:           var(--pk-gray-950);
  --pk-bg-surface:   var(--pk-gray-900);
  --pk-bg-elevated:  var(--pk-gray-800);
  --pk-bg-input:     #0c1017;
  --pk-bg-hover:     rgba(255,255,255,.04);
  --pk-bg-active:    rgba(255,255,255,.07);

  /* Borders */
  --pk-border-subtle: rgba(255,255,255,.05);
  --pk-border:        rgba(255,255,255,.08);
  --pk-border-strong: rgba(255,255,255,.14);
  --pk-border-focus:  rgba(79,142,255,.55);

  /* Text */
  --pk-text:           var(--pk-gray-100);
  --pk-text-secondary: var(--pk-gray-300);
  --pk-text-muted:     var(--pk-gray-400);
  --pk-text-disabled:  var(--pk-gray-500);

  /* Accent */
  --pk-accent:        #4f8eff;
  --pk-accent-hover:  #6ba1ff;
  --pk-accent-active: #3b7be0;
  --pk-accent-bg:     rgba(79,142,255,.10);
  --pk-accent-bg-strong: rgba(79,142,255,.16);
  --pk-accent-border: rgba(79,142,255,.30);
  --pk-accent-text:   #b8d2ff;

  /* Status */
  --pk-success:#3fb950; --pk-success-bg:rgba(63,185,80,.10); --pk-success-border:rgba(63,185,80,.28); --pk-success-text:#86d68f;
  --pk-warning:#d29922; --pk-warning-bg:rgba(210,153,34,.10); --pk-warning-border:rgba(210,153,34,.30); --pk-warning-text:#e6b863;
  --pk-error:#f85149;   --pk-error-bg:rgba(248,81,73,.10);    --pk-error-border:rgba(248,81,73,.30);   --pk-error-text:#f49991;
  --pk-info:#58a6ff;    --pk-info-bg:rgba(88,166,255,.10);    --pk-info-border:rgba(88,166,255,.28);   --pk-info-text:#9dc6ff;

  /* Tool accents (sidebar marker only) */
  --pk-tool-movebase:#4f8eff;
  --pk-tool-watchcost:#d29922;
  --pk-tool-mapmark:#3fb950;
  --pk-tool-setinfo:#a371f7;
  --pk-tool-overtime:#f87171;       /* coral — protanomaly-distinct from blues */
  --pk-tool-callgap:#f778ba;
  --pk-tool-callsheetcheck:#14b8a6; /* teal  — protanomaly-distinct from blues */

  /* Typography */
  --pk-font-sans:"Inter","Inter Variable",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,Roboto,"Helvetica Neue",Arial,sans-serif;
  --pk-font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --pk-text-xs:11px; --pk-text-sm:12px; --pk-text-base:13px;
  --pk-text-md:14px; --pk-text-lg:16px; --pk-text-xl:20px;
  --pk-text-2xl:26px; --pk-text-3xl:30px; --pk-text-4xl:38px;

  --pk-leading-tight:1.2; --pk-leading-normal:1.5; --pk-leading-relaxed:1.65;
  --pk-weight-regular:400; --pk-weight-medium:500; --pk-weight-semibold:600;

  /* Spacing (4px base) */
  --pk-1:4px;  --pk-2:8px;  --pk-3:12px; --pk-4:16px;
  --pk-5:20px; --pk-6:24px; --pk-7:28px; --pk-8:32px;
  --pk-10:40px; --pk-12:48px; --pk-14:56px; --pk-16:64px;

  /* Radii — flipped to 0 for square-corners experiment. Originals:
     --pk-r-xs:4px; --pk-r-sm:6px; --pk-r-md:8px; --pk-r-lg:12px;
     --pk-r-xl:16px; --pk-r-2xl:20px; */
  --pk-r-xs:0; --pk-r-sm:0; --pk-r-md:0;
  --pk-r-lg:0; --pk-r-xl:0; --pk-r-2xl:0; --pk-r-full:9999px;

  /* Shadows (sparingly) */
  --pk-shadow-xs:0 1px 2px rgba(0,0,0,.20);
  --pk-shadow-sm:0 2px 6px rgba(0,0,0,.22);
  --pk-shadow-md:0 8px 24px rgba(0,0,0,.30);
  --pk-shadow-lg:0 16px 48px rgba(0,0,0,.40);

  /* Motion */
  --pk-t-fast:120ms ease;
  --pk-t:180ms ease;
  --pk-t-slow:280ms ease;

  /* Sizing */
  --pk-control-sm:30px;
  --pk-control:36px;
  --pk-control-lg:42px;

  --pk-sidebar-w:240px;
  --pk-content-max:1320px;
}

/* ─── 2. RESET / BASE ───────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;
  background:var(--pk-bg);
  color:var(--pk-text);
  font-family:var(--pk-font-sans);
  font-size:var(--pk-text-base);
  line-height:var(--pk-leading-normal);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-feature-settings:"cv11","ss01";
  min-height:100vh;
}
::selection{background:rgba(79,142,255,.30);color:var(--pk-text)}
a{color:inherit;text-decoration:none}
input,select,textarea,button{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none;padding:0;-webkit-tap-highlight-color:transparent}
hr{border:0;height:1px;background:var(--pk-border-subtle);margin:0}
[hidden]{display:none!important}

/* Tabular numbers for data */
.pk-tabular,[data-numeric]{font-variant-numeric:tabular-nums}

/* Focus ring (keyboard only) */
:focus-visible{outline:none}
.pk-focus-ring:focus-visible,
.pk-btn:focus-visible,
.pk-input:focus-visible,
.pk-select:focus-visible,
.pk-textarea:focus-visible{
  border-color:var(--pk-border-focus);
  box-shadow:0 0 0 3px rgba(79,142,255,.20);
}

/* ─── 3. LAYOUT ─────────────────────────────────────────────── */
.pk-app{
  display:grid;
  grid-template-columns:var(--pk-sidebar-w) minmax(0,1fr);
  min-height:100vh;
}
.pk-sidebar{
  position:sticky;
  top:0;
  height:100vh;
  border-right:1px solid var(--pk-border-subtle);
  background:var(--pk-bg-surface);
  overflow-y:auto;
  overflow-x:hidden;
  z-index:10;
}
.pk-main{
  min-width:0;
  padding:var(--pk-7) var(--pk-8) var(--pk-12);
  width:100%;
  max-width:var(--pk-content-max);
  margin:0 auto;
}

.pk-page-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:var(--pk-4);
  margin-bottom:var(--pk-7);
}
.pk-page-title{
  margin:0;
  font-size:var(--pk-text-3xl);
  font-weight:var(--pk-weight-semibold);
  letter-spacing:-.02em;
  line-height:var(--pk-leading-tight);
}
.pk-page-sub{
  margin:6px 0 0;
  color:var(--pk-text-secondary);
  font-size:var(--pk-text-md);
  max-width:640px;
  line-height:1.45;
}

/* Section header within content */
.pk-section-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--pk-3);
  margin:var(--pk-6) 0 var(--pk-3);
}
.pk-section-head:first-child{margin-top:0}
.pk-section-title{
  font-size:var(--pk-text-xs);
  font-weight:var(--pk-weight-semibold);
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--pk-text-muted);
  margin:0;
}

/* ─── 4. SIDEBAR / NAV ──────────────────────────────────────── */
.pk-nav{
  display:flex;
  flex-direction:column;
  gap:var(--pk-5);
  padding:var(--pk-5) var(--pk-3);
  font-size:var(--pk-text-base);
}
.pk-nav__brand{
  display:flex;
  gap:10px;
  align-items:center;
  padding:6px 8px;
  margin:0 -2px;
  border-radius:var(--pk-r-md);
  color:var(--pk-text);
  transition:background var(--pk-t-fast);
}
.pk-nav__brand:hover{background:var(--pk-bg-hover)}
.pk-nav__brand-mark{
  width:26px;height:26px;
  border-radius:7px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--pk-accent),#7aa8ff);
  color:white;
  font-size:10px;
  font-weight:var(--pk-weight-semibold);
  flex:0 0 auto;
  letter-spacing:.02em;
}
.pk-nav__brand-text{display:grid;min-width:0;line-height:1.15}
.pk-nav__brand-text strong{
  font-size:13px;font-weight:var(--pk-weight-semibold);
}
.pk-nav__brand-text small{
  font-size:11px;color:var(--pk-text-muted);margin-top:1px;
}

.pk-nav__group{display:flex;flex-direction:column;gap:1px}
.pk-nav__group-title{
  font-size:10.5px;
  font-weight:var(--pk-weight-semibold);
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--pk-text-muted);
  padding:var(--pk-2) var(--pk-3) 6px;
}

.pk-nav__item{
  display:flex;
  align-items:center;
  gap:10px;
  padding:7px 10px;
  border-radius:var(--pk-r-sm);
  color:var(--pk-text-secondary);
  font-weight:var(--pk-weight-medium);
  font-size:13px;
  line-height:1.3;
  min-height:28px;
  transition:background var(--pk-t-fast),color var(--pk-t-fast);
  cursor:pointer;
}
.pk-nav__item:hover{
  background:var(--pk-bg-hover);
  color:var(--pk-text);
}
.pk-nav__item[aria-current="page"],
.pk-nav__item.is-active{
  background:var(--pk-bg-active);
  color:var(--pk-text);
}
.pk-nav__dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--pk-text-muted);
  flex:0 0 auto;
  transition:background var(--pk-t-fast),box-shadow var(--pk-t-fast);
}
.pk-nav__item:hover .pk-nav__dot,
.pk-nav__item[aria-current="page"] .pk-nav__dot,
.pk-nav__item.is-active .pk-nav__dot{
  background:var(--pk-tool-color,var(--pk-accent));
  box-shadow:0 0 0 3px color-mix(in srgb,var(--pk-tool-color,var(--pk-accent)) 18%,transparent);
}

.pk-nav__item[data-tool="movebase"]{--pk-tool-color:var(--pk-tool-movebase)}
.pk-nav__item[data-tool="watchcost"]{--pk-tool-color:var(--pk-tool-watchcost)}
.pk-nav__item[data-tool="mapmark"]{--pk-tool-color:var(--pk-tool-mapmark)}
.pk-nav__item[data-tool="setinfo"]{--pk-tool-color:var(--pk-tool-setinfo)}
.pk-nav__item[data-tool="overtime"]{--pk-tool-color:var(--pk-tool-overtime)}
.pk-nav__item[data-tool="callgap"]{--pk-tool-color:var(--pk-tool-callgap)}
.pk-nav__item[data-tool="callsheetcheck"]{--pk-tool-color:var(--pk-tool-callsheetcheck)}

.pk-nav__details > summary{
  list-style:none;
  cursor:pointer;
}
.pk-nav__details > summary::-webkit-details-marker{display:none}
.pk-nav__details .pk-nav__chevron{
  margin-left:auto;
  transition:transform var(--pk-t-fast);
  color:var(--pk-text-muted);
  font-size:10px;
}
.pk-nav__details[open] .pk-nav__chevron{transform:rotate(180deg)}
.pk-nav__sub{
  display:flex;
  flex-direction:column;
  gap:1px;
  padding-left:18px;
  margin-top:2px;
}
.pk-nav__sub .pk-nav__item{
  font-size:12px;
  color:var(--pk-text-muted);
  padding:5px 10px;
  min-height:24px;
}

/* ─── 5. CARD ───────────────────────────────────────────────── */
.pk-card{
  background:var(--pk-bg-surface);
  border:1px solid var(--pk-border-subtle);
  border-radius:var(--pk-r-xl);
  padding:var(--pk-5);
}
.pk-card--ghost{background:transparent;border-style:dashed;border-color:var(--pk-border)}
.pk-card--elevated{background:var(--pk-bg-elevated);box-shadow:var(--pk-shadow-md)}
.pk-card--flush{padding:0;overflow:hidden}

.pk-card__head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:var(--pk-3);
  margin-bottom:var(--pk-4);
}
.pk-card__title-wrap{display:flex;flex-direction:column;gap:2px;min-width:0}
.pk-card__title{
  display:flex;align-items:center;gap:10px;
  margin:0;
  font-size:var(--pk-text-lg);
  font-weight:var(--pk-weight-semibold);
  letter-spacing:-.005em;
  line-height:1.3;
  color:var(--pk-text);
}
.pk-card__step{
  display:inline-grid;place-items:center;
  width:22px;height:22px;
  border-radius:var(--pk-r-sm);
  background:var(--pk-accent-bg);
  color:var(--pk-accent-text);
  font-size:11px;
  font-weight:var(--pk-weight-semibold);
  flex:0 0 auto;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
}
.pk-card__sub{
  margin:0;
  color:var(--pk-text-muted);
  font-size:var(--pk-text-sm);
  line-height:1.4;
}
.pk-card__head-actions{display:flex;align-items:center;gap:var(--pk-2);flex-shrink:0}

/* ─── 6. BUTTONS ─────────────────────────────────────────────── */
.pk-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:var(--pk-2);
  height:var(--pk-control);
  padding:0 var(--pk-4);
  background:var(--pk-bg-elevated);
  border:1px solid var(--pk-border);
  border-radius:var(--pk-r-md);
  color:var(--pk-text);
  font-weight:var(--pk-weight-medium);
  font-size:var(--pk-text-base);
  white-space:nowrap;
  transition:background var(--pk-t-fast),border-color var(--pk-t-fast),color var(--pk-t-fast);
  user-select:none;
  text-decoration:none;
}
.pk-btn:hover{background:var(--pk-gray-700);border-color:var(--pk-border-strong)}
.pk-btn:active{background:var(--pk-gray-800)}
.pk-btn:disabled,.pk-btn[aria-disabled="true"]{opacity:.5;pointer-events:none}

.pk-btn--sm{height:var(--pk-control-sm);padding:0 10px;font-size:var(--pk-text-sm)}
.pk-btn--lg{height:var(--pk-control-lg);padding:0 var(--pk-5);font-size:var(--pk-text-md);font-weight:var(--pk-weight-semibold)}

.pk-btn--primary{
  background:var(--pk-accent);
  border-color:var(--pk-accent);
  color:white;
  font-weight:var(--pk-weight-semibold);
}
.pk-btn--primary:hover{background:var(--pk-accent-hover);border-color:var(--pk-accent-hover)}
.pk-btn--primary:active{background:var(--pk-accent-active)}

.pk-btn--ghost{background:transparent;border-color:transparent}
.pk-btn--ghost:hover{background:var(--pk-bg-hover);border-color:var(--pk-border)}

.pk-btn--dashed{
  background:transparent;
  border-style:dashed;
  border-color:var(--pk-border-strong);
  color:var(--pk-text-secondary);
}
.pk-btn--dashed:hover{
  background:var(--pk-accent-bg);
  border-color:var(--pk-accent-border);
  color:var(--pk-text);
  border-style:dashed;
}

.pk-btn--danger{color:var(--pk-error-text);background:var(--pk-error-bg);border-color:var(--pk-error-border)}
.pk-btn--danger:hover{background:rgba(248,81,73,.18);border-color:rgba(248,81,73,.42)}

.pk-btn--success{color:var(--pk-success-text);background:var(--pk-success-bg);border-color:var(--pk-success-border)}
.pk-btn--success:hover{background:rgba(63,185,80,.18);border-color:rgba(63,185,80,.42)}

.pk-btn--icon{width:var(--pk-control);padding:0;flex:0 0 auto}
.pk-btn--icon.pk-btn--sm{width:var(--pk-control-sm)}
.pk-btn--icon.pk-btn--lg{width:var(--pk-control-lg)}

.pk-btn--loading{opacity:.7;pointer-events:none}

/* Segmented control */
.pk-segment{
  display:inline-flex;
  background:var(--pk-bg-elevated);
  border:1px solid var(--pk-border);
  border-radius:var(--pk-r-md);
  padding:2px;
  gap:1px;
}
.pk-segment > button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:calc(var(--pk-control) - 6px);
  padding:0 var(--pk-3);
  background:transparent;
  border:0;
  border-radius:calc(var(--pk-r-md) - 2px);
  color:var(--pk-text-secondary);
  font-size:var(--pk-text-sm);
  font-weight:var(--pk-weight-medium);
  transition:background var(--pk-t-fast),color var(--pk-t-fast);
}
.pk-segment > button:hover{color:var(--pk-text)}
.pk-segment > button[aria-pressed="true"],
.pk-segment > button.is-active{
  background:var(--pk-bg-surface);
  color:var(--pk-text);
  box-shadow:var(--pk-shadow-xs);
}

/* ─── 7. INPUTS ─────────────────────────────────────────────── */
.pk-field{display:grid;gap:6px;min-width:0}
.pk-field--inline{grid-template-columns:auto 1fr;align-items:center;gap:var(--pk-3)}

.pk-label{
  font-size:var(--pk-text-sm);
  font-weight:var(--pk-weight-medium);
  color:var(--pk-text-secondary);
  line-height:1.3;
  letter-spacing:0;
}
.pk-label__hint{
  font-weight:var(--pk-weight-regular);
  color:var(--pk-text-muted);
  font-size:11px;
  margin-left:6px;
}

.pk-input,
.pk-select,
.pk-textarea{
  width:100%;
  height:var(--pk-control);
  padding:0 var(--pk-3);
  background:var(--pk-bg-input);
  border:1px solid var(--pk-border);
  border-radius:var(--pk-r-md);
  color:var(--pk-text);
  font-size:var(--pk-text-md);
  outline:none;
  transition:border-color var(--pk-t-fast),box-shadow var(--pk-t-fast),background var(--pk-t-fast);
}
.pk-input:hover,.pk-select:hover,.pk-textarea:hover{border-color:var(--pk-border-strong)}
.pk-input:focus,.pk-select:focus,.pk-textarea:focus{
  border-color:var(--pk-border-focus);
  box-shadow:0 0 0 3px rgba(79,142,255,.18);
}
.pk-input::placeholder,.pk-textarea::placeholder{color:var(--pk-text-disabled)}
.pk-input:disabled,.pk-select:disabled,.pk-textarea:disabled{opacity:.55;cursor:not-allowed}

.pk-textarea{
  height:auto;
  min-height:88px;
  padding:10px var(--pk-3);
  resize:vertical;
  line-height:1.5;
  font-family:var(--pk-font-sans);
}

.pk-input--sm,.pk-select--sm{height:var(--pk-control-sm);font-size:var(--pk-text-base)}
.pk-input--lg,.pk-select--lg{height:var(--pk-control-lg);font-size:var(--pk-text-md);padding:0 var(--pk-4)}

.pk-select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5l3 3 3-3' stroke='%239ba6b4' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 10px center;
  padding-right:30px;
  cursor:pointer;
}
.pk-select option{background:var(--pk-gray-800);color:var(--pk-text)}

.pk-input[type="date"],
.pk-input[type="time"],
.pk-input[type="datetime-local"],
.pk-input[type="number"]{font-variant-numeric:tabular-nums}
.pk-input[type="date"]::-webkit-calendar-picker-indicator,
.pk-input[type="time"]::-webkit-calendar-picker-indicator,
.pk-input[type="datetime-local"]::-webkit-calendar-picker-indicator{
  filter:invert(.6);cursor:pointer;opacity:.7;
}

/* Input-with-button group */
.pk-input-group{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--pk-2)}

/* Help / hint text */
.pk-help{font-size:var(--pk-text-xs);color:var(--pk-text-muted);line-height:1.4;margin:0}
.pk-help--success{color:var(--pk-success-text)}
.pk-help--warning{color:var(--pk-warning-text)}
.pk-help--error{color:var(--pk-error-text)}
.pk-help--info{color:var(--pk-info-text)}

/* ─── 8. BADGES ─────────────────────────────────────────────── */
.pk-badge{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:2px 8px;
  border-radius:var(--pk-r-full);
  background:var(--pk-bg-elevated);
  border:1px solid var(--pk-border);
  color:var(--pk-text-secondary);
  font-size:var(--pk-text-xs);
  font-weight:var(--pk-weight-medium);
  line-height:1.5;
  white-space:nowrap;
}
.pk-badge--accent{background:var(--pk-accent-bg);border-color:var(--pk-accent-border);color:var(--pk-accent-text)}
.pk-badge--success{background:var(--pk-success-bg);border-color:var(--pk-success-border);color:var(--pk-success-text)}
.pk-badge--warning{background:var(--pk-warning-bg);border-color:var(--pk-warning-border);color:var(--pk-warning-text)}
.pk-badge--error{background:var(--pk-error-bg);border-color:var(--pk-error-border);color:var(--pk-error-text)}
.pk-badge--info{background:var(--pk-info-bg);border-color:var(--pk-info-border);color:var(--pk-info-text)}
.pk-badge__dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto}

/* ─── 9. STATS / KPI ────────────────────────────────────────── */
.pk-stats{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:var(--pk-3);
}
.pk-stat{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:var(--pk-4);
  background:var(--pk-bg-surface);
  border:1px solid var(--pk-border-subtle);
  border-radius:var(--pk-r-lg);
  min-width:0;
}
.pk-stat__label{
  display:flex;align-items:center;gap:6px;
  font-size:var(--pk-text-xs);
  font-weight:var(--pk-weight-medium);
  color:var(--pk-text-muted);
  text-transform:uppercase;
  letter-spacing:.05em;
}
.pk-stat__value{
  font-size:var(--pk-text-2xl);
  font-weight:var(--pk-weight-semibold);
  line-height:1.1;
  letter-spacing:-.02em;
  color:var(--pk-text);
  font-variant-numeric:tabular-nums;
  margin-top:2px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.pk-stat__delta{
  font-size:var(--pk-text-xs);
  color:var(--pk-text-muted);
  margin-top:1px;
}
.pk-stat__delta--up{color:var(--pk-success-text)}
.pk-stat__delta--down{color:var(--pk-error-text)}

/* ─── 10. NOTICE / ALERT ────────────────────────────────────── */
.pk-notice{
  display:flex;
  gap:var(--pk-3);
  padding:var(--pk-3) var(--pk-4);
  border:1px solid var(--pk-border);
  border-radius:var(--pk-r-lg);
  background:var(--pk-bg-elevated);
  color:var(--pk-text-secondary);
  font-size:var(--pk-text-sm);
  line-height:1.5;
}
.pk-notice__icon{flex:0 0 auto;color:var(--pk-text-muted);margin-top:1px}
.pk-notice--info{background:var(--pk-info-bg);border-color:var(--pk-info-border);color:var(--pk-info-text)}
.pk-notice--info .pk-notice__icon{color:var(--pk-info)}
.pk-notice--success{background:var(--pk-success-bg);border-color:var(--pk-success-border);color:var(--pk-success-text)}
.pk-notice--success .pk-notice__icon{color:var(--pk-success)}
.pk-notice--warning{background:var(--pk-warning-bg);border-color:var(--pk-warning-border);color:var(--pk-warning-text)}
.pk-notice--warning .pk-notice__icon{color:var(--pk-warning)}
.pk-notice--error{background:var(--pk-error-bg);border-color:var(--pk-error-border);color:var(--pk-error-text)}
.pk-notice--error .pk-notice__icon{color:var(--pk-error)}

/* ─── 11. DETAILS / DISCLOSURE ──────────────────────────────── */
.pk-disclosure{
  border:1px solid var(--pk-border-subtle);
  border-radius:var(--pk-r-lg);
  background:var(--pk-bg-elevated);
  overflow:hidden;
  transition:border-color var(--pk-t-fast);
}
.pk-disclosure[open]{border-color:var(--pk-border)}
.pk-disclosure > summary{
  list-style:none;
  cursor:pointer;
  padding:12px var(--pk-4);
  display:flex;align-items:center;justify-content:space-between;gap:var(--pk-3);
  font-weight:var(--pk-weight-medium);
  color:var(--pk-text);
  transition:background var(--pk-t-fast);
}
.pk-disclosure > summary::-webkit-details-marker{display:none}
.pk-disclosure > summary:hover{background:var(--pk-bg-hover)}
.pk-disclosure > summary::after{
  content:"";
  width:14px;height:14px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14' fill='none'%3E%3Cpath d='M3.5 5.5l3.5 3.5 3.5-3.5' stroke='%239ba6b4' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
  transition:transform var(--pk-t-fast);
  flex:0 0 auto;
}
.pk-disclosure[open] > summary::after{transform:rotate(180deg)}
.pk-disclosure[open] > summary{border-bottom:1px solid var(--pk-border-subtle)}
.pk-disclosure__body{padding:var(--pk-4)}

/* ─── 12. TOAST ─────────────────────────────────────────────── */
.pk-toast{
  position:fixed;
  left:50%;
  bottom:var(--pk-6);
  transform:translateX(-50%) translateY(20px);
  opacity:0;
  pointer-events:none;
  background:var(--pk-bg-elevated);
  border:1px solid var(--pk-border-strong);
  box-shadow:var(--pk-shadow-md);
  padding:10px 14px;
  border-radius:var(--pk-r-full);
  color:var(--pk-text);
  font-weight:var(--pk-weight-medium);
  font-size:var(--pk-text-base);
  transition:opacity var(--pk-t),transform var(--pk-t);
  z-index:80;
}
.pk-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ─── 13. UTILITIES ─────────────────────────────────────────── */
.pk-stack{display:flex;flex-direction:column;gap:var(--pk-3)}
.pk-stack--sm{gap:var(--pk-2)}
.pk-stack--lg{gap:var(--pk-4)}
.pk-stack--xl{gap:var(--pk-6)}

.pk-row{display:flex;align-items:center;gap:var(--pk-2);flex-wrap:wrap}
.pk-row--end{justify-content:flex-end}
.pk-row--between{justify-content:space-between}

.pk-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--pk-3)}
.pk-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--pk-3)}
.pk-grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--pk-3)}

.pk-text-xs{font-size:var(--pk-text-xs)}
.pk-text-sm{font-size:var(--pk-text-sm)}
.pk-text-md{font-size:var(--pk-text-md)}
.pk-text-muted{color:var(--pk-text-muted)}
.pk-text-secondary{color:var(--pk-text-secondary)}
.pk-text-mono{font-family:var(--pk-font-mono)}

.pk-truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ─── 14. RESPONSIVE ────────────────────────────────────────── */
@media (max-width:1180px){
  .pk-app{grid-template-columns:1fr}
  .pk-sidebar{
    position:static;
    height:auto;
    border-right:0;
    border-bottom:1px solid var(--pk-border-subtle);
  }
  .pk-nav{
    flex-direction:row;
    align-items:center;
    padding:10px 12px;
    gap:var(--pk-3);
    overflow-x:auto;
  }
  .pk-nav__brand{flex:0 0 auto;margin:0}
  .pk-nav__group{flex:0 0 auto;flex-direction:row;gap:4px}
  .pk-nav__group-title{display:none}
  .pk-nav__item{white-space:nowrap;flex:0 0 auto}
  .pk-nav__details .pk-nav__sub{
    position:absolute;
    margin-top:8px;
    background:var(--pk-bg-elevated);
    border:1px solid var(--pk-border);
    border-radius:var(--pk-r-md);
    padding:4px;
    box-shadow:var(--pk-shadow-md);
    z-index:30;
  }
  .pk-main{padding:var(--pk-5) var(--pk-4) var(--pk-10)}
}

@media (max-width:720px){
  .pk-main{padding:var(--pk-4) var(--pk-3) var(--pk-10)}
  .pk-page-title{font-size:var(--pk-text-2xl)}
  .pk-grid-2,.pk-grid-3,.pk-grid-4{grid-template-columns:1fr}
  .pk-page-head{flex-direction:column}
}

/* ─── 15. SUITE SHELL (Topbar + 3-Pane) ─────────────────────── */
/* Shared across tools that use the WatchCost/MoveBase shell. */

:root{
  --pk-topbar-h:64px;
  --pk-pane-list-w:264px;
  --pk-pane-side-w:420px;
  --pk-pane-list-w-md:240px;
  --pk-pane-side-w-md:380px;
  --pk-z-topbar:30;
  --pk-z-modal:80;
  --pk-z-toast:100;
}

/* Topbar */
.pk-topbar{
  position:sticky;top:0;z-index:var(--pk-z-topbar);
  display:grid;grid-template-columns:auto 1fr auto;
  gap:var(--pk-4);align-items:center;
  height:var(--pk-topbar-h);padding:0 var(--pk-5);
  background:rgba(15,18,24,.85);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--pk-border-subtle);
}
.pk-topbar__title{display:flex;align-items:center;gap:var(--pk-3);min-width:0}
.pk-topbar__title h1{
  margin:0;
  font-size:18px;
  font-weight:var(--pk-weight-semibold);
  letter-spacing:-.005em;
  color:var(--pk-text);
  white-space:nowrap;
}
.pk-topbar__home{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:var(--pk-r-sm);
  transition:background var(--pk-t-fast),transform var(--pk-t-fast);
}
.pk-topbar__home:hover{background:var(--pk-bg-hover);transform:scale(1.04)}
/* Monochrome ProdKit-Raute als Inline-SVG (currentColor, theme-aware). */
.pk-topbar__home svg{
  width:28px;height:28px;
  color:var(--pk-text-secondary);
  transition:color var(--pk-t-fast);
}
.pk-topbar__home:hover svg{color:var(--pk-text)}
/* Einheitlicher Projekt-/Speicher-Indikator (alle Tools, Topbar oben links).
   Reiner farbiger Text-Link zur zentralen Settings-Seite, kein Rahmen/Icon/Pfeil
   (Anti-Slop-Policy). Name wird von prodkit-store.js Auto-Wiring befuellt +
   live aktualisiert (Element-Hook: [data-prodkit-project-name]). */
.pk-project-link{
  display:inline-flex;align-items:center;min-width:0;
  font-size:var(--pk-text-sm);
  color:var(--pk-text-muted);
  text-decoration:none;
  transition:color var(--pk-t-fast);
}
.pk-project-link:hover{color:var(--pk-text)}
.pk-project-link__name{
  color:var(--pk-text);font-weight:var(--pk-weight-medium);
  margin-left:6px;max-width:220px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
@media (max-width:600px){
  .pk-project-link__name{max-width:120px}
}
.pk-topbar__sync{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--pk-text-muted);font-size:var(--pk-text-xs);
}
.pk-topbar__actions{display:flex;align-items:center;gap:var(--pk-2)}

/* 3-Pane grid */
.pk-pane-grid{
  display:grid;
  grid-template-columns:var(--pk-pane-list-w) minmax(0,1fr) var(--pk-pane-side-w);
  gap:0;align-items:stretch;
  min-height:calc(100vh - var(--pk-topbar-h));
}
.pk-pane-list{
  border-right:1px solid var(--pk-border-subtle);
  padding:var(--pk-4) 0;
  overflow-y:auto;max-height:calc(100vh - var(--pk-topbar-h));
  scrollbar-gutter:stable;
  position:sticky;top:var(--pk-topbar-h);
}
.pk-pane-editor{padding:var(--pk-6);min-width:0;overflow-x:hidden}
.pk-pane-side{
  border-left:1px solid var(--pk-border-subtle);
  padding:var(--pk-4);
  overflow-y:auto;max-height:calc(100vh - var(--pk-topbar-h));
  scrollbar-gutter:stable;
  position:sticky;top:var(--pk-topbar-h);
}
@media (max-width:1400px){
  .pk-pane-grid{grid-template-columns:var(--pk-pane-list-w-md) minmax(0,1fr) var(--pk-pane-side-w-md)}
}
@media (max-width:1100px){
  .pk-pane-grid{grid-template-columns:1fr;min-height:0}
  .pk-pane-list,.pk-pane-side{
    position:static;max-height:none;border:0;
    border-bottom:1px solid var(--pk-border-subtle);
    padding:var(--pk-4);
  }
  .pk-pane-editor{padding:var(--pk-4)}
}

/* List pane internals */
.pk-list-head{
  padding:0 var(--pk-4) var(--pk-3);
  display:flex;align-items:center;justify-content:space-between;gap:var(--pk-2);
}
.pk-list-head__title{
  font-size:11px;
  font-weight:var(--pk-weight-semibold);
  text-transform:uppercase;letter-spacing:.08em;
  color:var(--pk-text-muted);margin:0;
}
.pk-list-head__count{color:var(--pk-text-muted)}
.pk-list{display:flex;flex-direction:column;gap:2px;padding:0 var(--pk-3)}
.pk-list-add{
  margin:var(--pk-3) var(--pk-3) 0;
  width:calc(100% - var(--pk-3) * 2);
  border-style:dashed;background:transparent;
  color:var(--pk-text-secondary);
}
.pk-list-add:hover{
  background:var(--pk-bg-hover);
  border-color:var(--pk-accent-border);
  color:var(--pk-text);
}
.pk-list-empty{
  padding:var(--pk-3) var(--pk-4);
  color:var(--pk-text-muted);
  font-size:var(--pk-text-xs);line-height:1.5;
}
.pk-list-summary{
  margin:var(--pk-3) var(--pk-3) 0;padding:var(--pk-3);
  background:var(--pk-bg-elevated);border:1px solid var(--pk-border-subtle);
  border-radius:var(--pk-r-md);
}
.pk-list-summary span{font-size:var(--pk-text-xs);color:var(--pk-text-muted)}
.pk-list-summary strong{
  font-size:var(--pk-text-md);font-weight:var(--pk-weight-semibold);
  color:var(--pk-text);font-variant-numeric:tabular-nums;
}

/* Editor pane internals */
.pk-editor-head{
  display:flex;align-items:flex-start;justify-content:space-between;
  gap:var(--pk-4);margin-bottom:var(--pk-6);
}
.pk-editor-title{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.pk-editor-title input{
  width:100%;background:transparent;border:1px solid transparent;
  padding:6px 8px;margin:-6px -8px;border-radius:var(--pk-r-md);
  font-size:24px;font-weight:var(--pk-weight-semibold);
  color:var(--pk-text);letter-spacing:-.015em;line-height:1.2;
  transition:background var(--pk-t-fast),border-color var(--pk-t-fast);
  height:auto;
}
.pk-editor-title input:hover{background:var(--pk-bg-hover)}
.pk-editor-title input:focus{
  outline:none;background:var(--pk-bg-input);border-color:var(--pk-border);
}
.pk-editor-title-meta{
  display:flex;align-items:center;gap:var(--pk-2);
  color:var(--pk-text-muted);font-size:var(--pk-text-sm);
}
.pk-editor-actions{display:flex;gap:var(--pk-2);flex-shrink:0}

/* Stage card */
.pk-stage{
  background:var(--pk-bg-surface);
  border:1px solid var(--pk-border-subtle);
  border-radius:var(--pk-r-xl);
  padding:var(--pk-5);
  margin-bottom:var(--pk-4);
}
.pk-stage__head{
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--pk-3);margin-bottom:var(--pk-4);
}
.pk-stage__title{
  display:flex;align-items:center;gap:10px;margin:0;
  font-size:var(--pk-text-lg);font-weight:var(--pk-weight-semibold);
  letter-spacing:-.005em;color:var(--pk-text);
}
.pk-stage__num{
  display:inline-grid;place-items:center;width:22px;height:22px;
  border-radius:var(--pk-r-sm);
  background:var(--pk-accent-bg);color:var(--pk-accent-text);
  font-size:11px;font-weight:var(--pk-weight-semibold);
  flex:0 0 auto;font-variant-numeric:tabular-nums;
}
.pk-stage__hint{color:var(--pk-text-muted);font-size:var(--pk-text-sm)}

/* Date/time grid helper */
.pk-datetime{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--pk-3);
  margin-bottom:var(--pk-4);
}
@media (max-width:600px){.pk-datetime{grid-template-columns:1fr}}

/* HUD (right pane content) */
.pk-hud{display:flex;flex-direction:column;gap:var(--pk-4)}
.pk-hud__total{
  padding:var(--pk-5) var(--pk-4);
  background:linear-gradient(180deg,var(--pk-bg-elevated) 0%,var(--pk-bg-surface) 100%);
  border:1px solid var(--pk-border);border-radius:var(--pk-r-xl);
}
.pk-hud__total-label{
  display:flex;align-items:center;justify-content:space-between;
  gap:8px;flex-wrap:wrap;
  font-size:11px;font-weight:var(--pk-weight-semibold);
  text-transform:uppercase;letter-spacing:.06em;
  color:var(--pk-text-muted);margin-bottom:10px;min-height:20px;
}
.pk-hud__total-label > span:first-child{flex:1;min-width:0}
.pk-hud__total-status{
  display:inline-flex;align-items:center;gap:5px;
  padding:2px 7px;border-radius:var(--pk-r-full);
  background:var(--pk-success-bg);border:1px solid var(--pk-success-border);
  color:var(--pk-success-text);
  font-size:10px;font-weight:var(--pk-weight-medium);
  text-transform:none;letter-spacing:0;
}
.pk-hud__total-status .pk-badge__dot{background:var(--pk-success)}
.pk-hud__total-status.is-stale{
  background:var(--pk-warning-bg);border-color:var(--pk-warning-border);
  color:var(--pk-warning-text);
}
.pk-hud__total-status.is-stale .pk-badge__dot{background:var(--pk-warning)}
.pk-hud__total-value{
  font-size:38px;font-weight:var(--pk-weight-semibold);
  letter-spacing:-.025em;line-height:1.05;
  color:var(--pk-text);font-variant-numeric:tabular-nums;
  margin-bottom:4px;
}
.pk-hud__total-meta{font-size:var(--pk-text-xs);color:var(--pk-text-muted)}
.pk-hud__primary-action{margin-top:var(--pk-4);width:100%}

.pk-hud__kpis{display:grid;grid-template-columns:1fr 1fr;gap:var(--pk-2)}
.pk-hud__kpi{
  padding:var(--pk-3);background:var(--pk-bg-surface);
  border:1px solid var(--pk-border-subtle);border-radius:var(--pk-r-md);
}
.pk-hud__kpi-label{
  display:flex;align-items:center;gap:5px;
  font-size:10px;font-weight:var(--pk-weight-semibold);
  text-transform:uppercase;letter-spacing:.05em;
  color:var(--pk-text-muted);margin-bottom:5px;
}
.pk-hud__kpi-value{
  font-size:16px;font-weight:var(--pk-weight-semibold);
  letter-spacing:-.01em;color:var(--pk-text);
  font-variant-numeric:tabular-nums;
}
.pk-hud__kpi-meta{font-size:10px;color:var(--pk-text-muted);margin-top:2px}

.pk-hud__breakdown{
  padding:var(--pk-4);background:var(--pk-bg-surface);
  border:1px solid var(--pk-border-subtle);border-radius:var(--pk-r-lg);
}
.pk-hud__breakdown-title{
  font-size:11px;font-weight:var(--pk-weight-semibold);
  text-transform:uppercase;letter-spacing:.06em;
  color:var(--pk-text-muted);margin:0 0 var(--pk-3);
}

/* ─── 16. MODAL ─────────────────────────────────────────────── */
.pk-modal{
  position:fixed;inset:0;z-index:var(--pk-z-modal);
  display:none;place-items:center;padding:var(--pk-5);
  background:rgba(2,4,8,.72);backdrop-filter:blur(8px);
}
.pk-modal.is-open{display:grid}
.pk-modal__card{
  width:min(960px,100%);
  max-height:min(88vh,720px);
  background:var(--pk-bg-elevated);border:1px solid var(--pk-border);
  border-radius:var(--pk-r-xl);box-shadow:var(--pk-shadow-lg);
  display:flex;flex-direction:column;overflow:hidden;
}
.pk-modal__head{
  flex:0 0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:var(--pk-4) var(--pk-5);
  border-bottom:1px solid var(--pk-border-subtle);
  background:var(--pk-bg-elevated);
}
.pk-modal__head h3{
  margin:0;font-size:var(--pk-text-lg);
  font-weight:var(--pk-weight-semibold);letter-spacing:-.005em;
}
.pk-modal__close{
  width:32px;height:32px;border-radius:var(--pk-r-sm);
  color:var(--pk-text-muted);background:transparent;
  transition:all var(--pk-t-fast);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;cursor:pointer;
}
.pk-modal__close:hover{background:var(--pk-bg-hover);color:var(--pk-text)}
.pk-modal__tabs{
  flex:0 0 auto;
  display:flex;gap:2px;padding:0 var(--pk-5);
  border-bottom:1px solid var(--pk-border-subtle);
  overflow-x:auto;background:var(--pk-bg-elevated);
}
.pk-modal__tabs button{
  padding:12px var(--pk-3);background:transparent;
  color:var(--pk-text-muted);
  font-size:var(--pk-text-md);font-weight:var(--pk-weight-medium);
  border-bottom:2px solid transparent;
  transition:color var(--pk-t-fast),border-color var(--pk-t-fast);
  white-space:nowrap;cursor:pointer;
}
.pk-modal__tabs button:hover{color:var(--pk-text-secondary)}
.pk-modal__tabs button.is-active{
  color:var(--pk-text);border-bottom-color:var(--pk-accent);
}
.pk-modal__body{
  flex:1 1 auto;
  padding:var(--pk-5);
  overflow-y:auto;
  min-height:0;
}
.pk-tab-panel{display:none}
.pk-tab-panel.is-active{display:block}
.pk-modal__section{margin-bottom:var(--pk-6)}
.pk-modal__section:last-child{margin-bottom:0}

/* ─── Reveal Utility ────────────────────────────────────────────────────────
   Opt-in Cascade-Fade fuer Initial-Tool-Reveal und Sub-Container-Reveals
   (z. B. Tab-Wechsel in Modals). Bewusst minimal: keine Layout-Shifts, nur
   Opacity, ein einziger Keyframe, shared CSS-Vars die pro Tool ueberschrieben
   werden koennen.

   Verwendung:
     <body class="pk-revealing"> oder <section class="pk-revealing"> als Trigger.
     Innerhalb davon: Elemente mit `.pk-reveal` plus `style="--pk-step:N"`
     bekommen einen gestaffelten Fade-In (N=0..). Trigger-Klasse abnehmen sobald
     der Fade durch ist (siehe Tool-JS), damit nested .pk-revealing Container
     spaeter sauber re-triggern koennen, ohne dass der Body-Trigger noch matcht. */
:root{
  --pk-reveal-duration: 540ms;
  --pk-reveal-stagger: 100ms;
  --pk-reveal-ease: ease-out;
}
@keyframes pk-reveal-fade{ from{opacity:0} to{opacity:1} }
.pk-revealing .pk-reveal{
  opacity: 0;
  animation: pk-reveal-fade var(--pk-reveal-duration) var(--pk-reveal-ease) forwards;
  animation-delay: calc(var(--pk-step, 0) * var(--pk-reveal-stagger));
}
@media (prefers-reduced-motion: reduce){
  .pk-revealing .pk-reveal{ opacity:1; animation:none; }
}