:root{
  --bg: #ffffff;
  --bg-elev: #f7f7fb;
  --text: #1b1b1f;
  --muted: #5a5a67;
  --border: #d7d7e0;
  --accent: #2a62ff;
  --accent-contrast: #ffffff;
  --danger: #c62828;
  --success: #2e7d32;
  --shadow: 0 6px 18px rgba(0,0,0,0.10);

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

/* Default to system preference */
@media (prefers-color-scheme: dark){
  :root{
    --bg: #0f1115;
    --bg-elev: #171a21;
    --text: #e6e8ef;
    --muted: #a5a7b3;
    --border: #2a2f3a;
    --accent: #7aa2ff;
    --accent-contrast: #0f1115;
    --danger: #ff6b6b;
    --success: #6ee7a6;
    --shadow: 0 10px 28px rgba(0,0,0,0.35);
  }
}

/* Manual override: html[data-theme="light|dark"] */
html[data-theme="light"]{
  --bg: #ffffff;
  --bg-elev: #f7f7fb;
  --text: #1b1b1f;
  --muted: #5a5a67;
  --border: #d7d7e0;
  --accent: #2a62ff;
  --accent-contrast: #ffffff;
  --danger: #c62828;
  --success: #2e7d32;
  --shadow: 0 6px 18px rgba(0,0,0,0.10);
}

html[data-theme="dark"]{
  --bg: #0f1115;
  --bg-elev: #171a21;
  --text: #e6e8ef;
  --muted: #a5a7b3;
  --border: #2a2f3a;
  --accent: #7aa2ff;
  --accent-contrast: #0f1115;
  --danger: #ff6b6b;
  --success: #6ee7a6;
  --shadow: 0 10px 28px rgba(0,0,0,0.35);
}

*{ box-sizing: border-box; }

html, body{
  height: 100%;
}

body{
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
}

a{ color: inherit; text-decoration: none; }

.app-header{
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.app-header__left{
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.app-title{
  font-weight: 700;
  letter-spacing: 0.2px;
}

.app-subtitle{
  font-size: 13px;
  color: var(--muted);
}

.app-header__right{
  display: flex;
  align-items: center;
  gap: 10px;
}

.inline{ display: inline; }

.app-main{
  padding: 16px;
  max-width: 1400px;
  margin: 0 auto;
}

/* Panels */
.panel{
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.panel--narrow{
  max-width: 520px;
  margin: 16px auto;
}

.panel__title{
  margin: 0 0 6px 0;
  font-size: 18px;
}

.panel__hint{
  margin: 0 0 12px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

/* Buttons */
.btn{
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 8px;
  padding: 8px 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn:hover{
  filter: brightness(1.02);
}

.btn:active{
  transform: translateY(1px);
}

.btn-primary{
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
}

.btn-secondary{
  background: transparent;
}

.icon-btn{
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
}

.icon-btn:hover{
  background: rgba(127,127,127,0.12);
  color: var(--text);
}

/* Forms */
.form__field{
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.form__field span{
  font-size: 13px;
  color: var(--muted);
}

input, select, textarea{
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 10px;
  font-family: inherit;
}

textarea{ resize: vertical; }

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

.form__error{
  margin-top: 10px;
  padding: 10px;
  border: 1px solid var(--danger);
  border-radius: 8px;
  color: var(--danger);
  background: rgba(198, 40, 40, 0.08);
}

/* Dialogs */
dialog.dialog{
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0;
  width: min(760px, calc(100vw - 22px));
  background: var(--bg);
  color: var(--text);
  box-shadow: var(--shadow);
}

dialog.dialog--wide{
  width: min(1100px, calc(100vw - 22px));
}

dialog::backdrop{
  background: rgba(0,0,0,0.45);
}

.dialog__form{
  margin: 0;
}

.dialog__header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}

.dialog__header h3{
  margin: 0;
  font-size: 16px;
}

.dialog__body{
  padding: 12px;
}

.dialog__footer{
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
}

.dialog__note{
  margin: 10px 0 0 0;
  color: var(--muted);
  font-size: 12px;
}

.form-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid label{
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-grid label span{
  font-size: 13px;
  color: var(--muted);
}

.form-grid__wide{
  grid-column: 1 / -1;
}

/* Tabulator host */
.tabulator-host{
  width: 100%;
}

/* Tabulator theming (minimal) */
.tabulator{
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
}

.tabulator .tabulator-header{
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}

.tabulator .tabulator-header .tabulator-col{
  background: transparent;
  border-right: 1px solid var(--border);
}

.tabulator .tabulator-row{
  border-bottom: 1px solid var(--border);
}

.tabulator .tabulator-row.tabulator-selected{
  background: rgba(122, 162, 255, 0.18);
}

.tabulator .tabulator-cell{
  border-right: 1px solid var(--border);
}

.tabulator .tabulator-footer{
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
}

.badge{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--border);
}

.badge--danger{
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(198, 40, 40, 0.08);
}

.badge--muted{
  color: var(--muted);
  background: rgba(120,120,120,0.12);
}

/* Change log */
.change-log{
  max-height: 220px;
  overflow-y: auto;
  padding: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.35;
}

.change-log__item{
  padding: 6px 0;
  border-bottom: 1px dashed var(--border);
}

.change-log__item:last-child{
  border-bottom: none;
}

.change-log__ts{
  color: var(--muted);
}

/* Toasts */
.toast-host{
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(420px, calc(100vw - 28px));
}

.toast{
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.toast__msg{
  font-size: 13px;
}

.toast--success{
  border-color: rgba(46,125,50,0.55);
}

.toast--error{
  border-color: rgba(198,40,40,0.65);
}

.toast__close{
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

/* Responsive tweaks */
@media (max-width: 820px){
  .app-header{
    flex-direction: column;
    align-items: stretch;
  }

  .app-header__right{
    justify-content: flex-end;
  }

  .form-grid{
    grid-template-columns: 1fr;
  }
}

.panel__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
}

.tabs {
    display: inline-flex;
    gap: 8px;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 4px;
    background: var(--bg-elev);
}

.tab {
    border: 0;
    background: transparent;
    color: var(--text);
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
}

    .tab:hover {
        filter: brightness(1.03);
    }

    .tab.is-active {
        background: rgba(127,127,127,0.16);
    }

.tab-panel {
    margin-top: 12px;
}


/* ---------- Tabulator: hard override of built-in light defaults (dark mode) ---------- */
html[data-theme="dark"] .tabulator {
    background: var(--bg) !important;
    border-color: rgba(255,255,255,0.10) !important;
    color: var(--text) !important;
}

    html[data-theme="dark"] .tabulator .tabulator-tableholder,
    html[data-theme="dark"] .tabulator .tabulator-tableholder .tabulator-table {
        background: var(--bg) !important;
        color: rgba(255,255,255,0.88) !important;
    }

/* Row base + striping (Tabulator uses .tabulator-row and .tabulator-row-even) */
html[data-theme="dark"] .tabulator-row {
    background: rgba(255,255,255,0.02) !important;
    border-bottom: 1px solid rgba(255,255,255,0.07) !important;
}

    html[data-theme="dark"] .tabulator-row.tabulator-row-even {
        background: rgba(255,255,255,0.04) !important;
    }

    /* Hover + selected (Tabulator uses these exact selectors) */
    html[data-theme="dark"] .tabulator-row.tabulator-selectable:hover {
        background: rgba(255,255,255,0.06) !important;
    }

    html[data-theme="dark"] .tabulator-row.tabulator-selected {
        background: rgba(122,162,255,0.10) !important;
    }

        html[data-theme="dark"] .tabulator-row.tabulator-selected:hover {
            background: rgba(122,162,255,0.14) !important;
        }

    /* Cells */
    html[data-theme="dark"] .tabulator-row .tabulator-cell {
        border-right: 1px solid rgba(255,255,255,0.06) !important;
        color: rgba(255,255,255,0.88) !important;
    }

/* Header */
html[data-theme="dark"] .tabulator .tabulator-header,
html[data-theme="dark"] .tabulator .tabulator-header .tabulator-col {
    background: rgba(255,255,255,0.04) !important;
    color: rgba(255,255,255,0.85) !important;
    border-bottom-color: rgba(255,255,255,0.10) !important;
    border-right-color: rgba(255,255,255,0.08) !important;
}

    /* Header filter input */
    html[data-theme="dark"] .tabulator .tabulator-header input,
    html[data-theme="dark"] .tabulator .tabulator-header select {
        background: rgba(0,0,0,0.25) !important;
        border-color: rgba(255,255,255,0.12) !important;
        color: rgba(255,255,255,0.88) !important;
    }

/* Footer */
html[data-theme="dark"] .tabulator .tabulator-footer {
    background: rgba(255,255,255,0.03) !important;
    border-top-color: rgba(255,255,255,0.10) !important;
    color: rgba(255,255,255,0.75) !important;
}