/* ------------------------------------------------------------
   Tokens
   ------------------------------------------------------------ */
:root{
  --paper:      #F7F5F0;
  --paper-dim:  #EFEBE0;
  --ink:        #1F2937;
  --ink-soft:   #5B6472;
  --line:       #D8D2C4;
  --teal:       #2B6E6E;
  --teal-dark:  #1E4F4F;
  --rust:       #B5552B;
  --mustard:    #C99A2E;
  --slate:      #4C6FA0;
  --plum:       #7A5C8E;
  --sage:       #5C8767;
  --focus:      #1B5FAE;
  --danger:     #A33A2E;

  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, Menlo, monospace;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius: 3px;
}

@media (prefers-color-scheme: dark){
  :root{
    --paper:     #1B1E1A;
    --paper-dim: #14160F;
    --ink:       #EDEAE0;
    --ink-soft:  #A6A090;
    --line:      #3A3A30;
  }
}

*{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.45;
}

a{ color: var(--teal-dark); }

button, input, select, textarea{
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

:focus-visible{
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.visually-hidden{
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ------------------------------------------------------------
   Layout shell
   ------------------------------------------------------------ */
.app-shell{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

header.masthead{
  padding: 28px 0 18px;
  border-bottom: 2px solid var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}

.masthead-title{
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.masthead-title h1{
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.02em;
  font-weight: 700;
}

.masthead-title .rx{
  font-family: var(--mono);
  color: var(--teal);
  font-size: 22px;
}

.masthead-sub{
  margin: 4px 0 0;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-soft);
}

.masthead-actions{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.btn{
  appearance: none;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  padding: 7px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.btn:hover{ background: var(--paper-dim); }
.btn:active{ transform: translateY(1px); }
.btn:disabled{ opacity: 0.45; cursor: default; }

.btn-primary{
  background: var(--teal);
  border-color: var(--teal-dark);
  color: #fff;
}
.btn-primary:hover{ background: var(--teal-dark); }

.btn-danger{
  border-color: var(--danger);
  color: var(--danger);
}
.btn-danger:hover{ background: #F3E3E0; }

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

.btn-small{
  padding: 4px 9px;
  font-size: 12px;
}

/* ------------------------------------------------------------
   Search & filters
   ------------------------------------------------------------ */
.controls{
  padding: 18px 0 10px;
}

.search-row{
  display: flex;
  gap: 10px;
  align-items: center;
}

.search-row input[type="search"]{
  flex: 1;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  padding: 10px 12px;
  background: #fff;
  font-family: var(--mono);
  font-size: 14px;
}
@media (prefers-color-scheme: dark){
  .search-row input[type="search"]{ background: #10120D; }
}

.filter-row{
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.tab-group{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* Signature element: chart-tab chips, styled like the plastic
   index tabs clipped onto a paper chart divider. */
.chart-tab{
  --tab-color: var(--teal);
  position: relative;
  border: 1px solid var(--tab-color);
  border-bottom-width: 3px;
  background: color-mix(in srgb, var(--tab-color) 12%, var(--paper));
  color: var(--ink);
  padding: 6px 12px 5px;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 4px 4px 0 0;
  cursor: pointer;
  clip-path: polygon(6% 0%, 94% 0%, 100% 100%, 0% 100%);
}
.chart-tab[aria-pressed="true"]{
  background: var(--tab-color);
  color: #fff;
  border-bottom-color: var(--tab-color);
}

.select-field{
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-soft);
}
.select-field select{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 5px 8px;
}
@media (prefers-color-scheme: dark){
  .select-field select{ background: #10120D; }
}

.checkbox-field{
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.result-count{
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
}

/* ------------------------------------------------------------
   Main grid: list + detail
   ------------------------------------------------------------ */
.main-grid{
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 22px;
  margin-top: 16px;
}

@media (max-width: 860px){
  .main-grid{ grid-template-columns: 1fr; }
}

.list-panel{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--paper-dim) 55%, transparent);
  max-height: 74vh;
  overflow-y: auto;
}

.template-item{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 12px 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}
.template-item:last-child{ border-bottom: 0; }
.template-item:hover{ background: var(--paper-dim); }
.template-item[aria-current="true"]{
  background: color-mix(in srgb, var(--teal) 14%, var(--paper));
  box-shadow: inset 3px 0 0 var(--teal);
}

.tab-flag{
  flex: 0 0 auto;
  width: 8px;
  align-self: stretch;
  border-radius: 2px;
  background: var(--flag-color, var(--teal));
}

.template-item-body{ flex: 1; min-width: 0; }

.template-item .shorthand{
  font-family: var(--mono);
  font-weight: 700;
  font-size: 13px;
  display: block;
}

.template-item .title-line{
  font-size: 12.5px;
  color: var(--ink-soft);
  display: block;
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.star-btn{
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  padding: 2px 4px;
  color: var(--line);
  flex: 0 0 auto;
}
.star-btn[aria-pressed="true"]{ color: var(--mustard); }

.empty-state{
  padding: 34px 20px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 13.5px;
}

/* ------------------------------------------------------------
   Detail panel
   ------------------------------------------------------------ */
.detail-panel{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 20px;
  min-height: 400px;
}
@media (prefers-color-scheme: dark){
  .detail-panel{ background: #14160F; }
}

.detail-empty{
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 360px;
  color: var(--ink-soft);
  font-size: 13.5px;
  text-align: center;
  padding: 20px;
}

.detail-header{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  flex-wrap: wrap;
}

.detail-header h2{
  font-family: var(--mono);
  font-size: 18px;
  margin: 0 0 4px;
}

.detail-meta{
  font-size: 12.5px;
  color: var(--ink-soft);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 4px;
}

.badge{
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: var(--badge-color, var(--teal));
}

.badge-outline{
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 600;
}

.detail-actions{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

hr.rule{
  border: 0;
  border-top: 1px solid var(--line);
  margin: 14px 0;
}

textarea.body-editor{
  width: 100%;
  min-height: 360px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  background: var(--paper);
  white-space: pre;
}

.editor-toolbar{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.editor-toolbar-left{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.status-msg{
  font-size: 12.5px;
  font-family: var(--mono);
  color: var(--sage);
  min-height: 16px;
}
.status-msg[data-tone="warn"]{ color: var(--rust); }

/* ------------------------------------------------------------
   Modal
   ------------------------------------------------------------ */
.modal-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 15, 0.5);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  z-index: 50;
}
.modal-backdrop[hidden]{ display: none; }

.modal{
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  max-width: 640px;
  width: 100%;
  padding: 22px;
}

.modal h2{
  margin-top: 0;
  font-size: 17px;
}

.form-row{
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-row label{
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink-soft);
}

.form-row input[type="text"],
.form-row select,
.form-row textarea{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 10px;
  background: #fff;
}
@media (prefers-color-scheme: dark){
  .form-row input[type="text"],
  .form-row select,
  .form-row textarea{ background: #10120D; }
}

.form-row textarea{
  font-family: var(--mono);
  font-size: 13px;
  min-height: 220px;
  white-space: pre;
}

.form-grid-2{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.modal-actions{
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

/* ------------------------------------------------------------
   Storage banner / footer
   ------------------------------------------------------------ */
.storage-banner{
  margin-top: 14px;
  padding: 10px 14px;
  border: 1px solid var(--rust);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--rust) 10%, var(--paper));
  font-size: 12.5px;
}
.storage-banner[hidden]{ display: none; }

footer.site-footer{
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

@media (prefers-reduced-motion: no-preference){
  .btn, .chart-tab, .template-item{ transition: background-color 120ms ease; }
}