/*
 * /trust/ledger/ledger.css
 *
 * Single sortable, filterable table. No circles, no modals, no bands.
 * Metallic grade colors inherit from styles.css unified rules
 * (.grade-segment.grade-* / [data-trust-grade=*]).
 */

/* ── Page container — full-bleed override of .process-page defaults ─── */
.ledger-page main.ledger-main {
  width: 100%;
  max-width: min(1680px, 96vw);
  margin: 0 auto;
  padding: 4.5rem 2rem 0;     /* top clears the fixed nav (~3.4rem tall) + breathing room */
}

/* Global `section { max-width: 1000px; margin: 0 auto; padding: 5rem 1.5rem }`
   in styles.css clamps every <section> to 1000px and centres it. The
   distribution strip, controls, hero, and footer ledger are <section>s,
   so they were squeezed inside a 1000px column while the table-wrap
   <div> stretched to 1680px — visible misalignment. Reset for this
   page only. */
.ledger-page main > section {
  max-width: none;
  margin: 0;
  padding: 0;
}

/* ── Hero ───────────────────────────────────────────────────── */
.lb-hero {
  width: 100%;
  max-width: none;          /* override .process-hero max-width: 1000px */
  min-height: 28vh;
  padding-top: 3rem;
  padding-bottom: 1.5rem;
  align-items: flex-start;  /* left-align everything in the hero block */
  text-align: left;
}

.lb-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.6rem);
  margin-bottom: 0.75rem;
}

.lb-hero .process-lede {
  max-width: 720px;
  margin: 0;             /* not auto — left-align with the rest of the page */
  text-align: left;
}

.lb-hero .process-lede a {
  color: var(--tier-extra);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.lb-hero .lb-rank-note {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.4rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  background: rgba(255,255,255,0.02);
  border: 1px dashed var(--border);
  border-radius: 4px;
  letter-spacing: 0.02em;
}

.lb-hero .lb-rank-note strong {
  color: var(--text);
  font-weight: 600;
}

/* ── Back row ───────────────────────────────────────────────── */
.tm-back-row {
  width: 100%;
  margin: 0;
  padding: 1.5rem 0 0;
}

.tm-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  transition: color 0.15s;
}

.tm-back:hover {
  color: var(--text);
}

/* ── Distribution strip (replaces stat cards) ───────────────── */
.lb-distribution {
  width: 100%;
  margin: 1rem 0 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.lb-dist-bar {
  display: flex;
  width: 100%;
  height: 28px;
  border-radius: 3px;
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}

.lb-dist-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  min-width: 0;
  position: relative;
  overflow: hidden;
  transition: filter 0.15s;
}

.lb-dist-seg:hover {
  filter: brightness(1.1);
}

.lb-dist-seg__count {
  white-space: nowrap;
  text-shadow: 0 1px 1px rgba(0,0,0,0.3);
}

/* All metallic fills inherit from styles.css [data-trust-grade=...] rules */

.lb-dist-keys {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  align-items: center;
}

.lb-dist-key {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--muted);
  transition: border-color 0.15s, color 0.15s;
}

.lb-dist-key:hover {
  border-color: var(--text);
  color: var(--text);
}

.lb-dist-key__pip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 3px;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0;
}

.lb-dist-key__name {
  color: var(--text);
  letter-spacing: 0.03em;
}

.lb-dist-key__count {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.lb-dist-key--total {
  margin-left: auto;
  padding: 0.4rem 0.85rem;
  border-color: var(--text);
  color: var(--text);
  cursor: default;
  pointer-events: none;
}

.lb-dist-key--total .lb-dist-key__count {
  color: var(--text);
  font-weight: 600;
}

.lb-dist-key--meta {
  display: flex;
  gap: 0.4rem;
  border: 0;
  padding: 0;
  pointer-events: none;
}

.lb-dist-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25em 0.55em;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
}

.lb-dist-meta-pill strong {
  color: var(--tier-extra);
  font-weight: 600;
}

/* ── Controls (search + tabs) ───────────────────────────────── */
.lb-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin: 2.75rem 0 1.25rem;   /* breathing room before filters */
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.lb-search {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1 1 280px;
  min-width: 0;
  padding: 0.5rem 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
  transition: border-color 0.15s;
}

.lb-search:focus-within {
  border-color: var(--tier-extra-border);
  color: var(--tier-extra);
}

.lb-search input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.lb-search input::placeholder {
  color: var(--muted);
  opacity: 0.7;
}

.lb-filters {
  display: inline-flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.lb-tab {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  font-weight: 600;
  padding: 0.5rem 0.95rem;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}

.lb-tab:last-child {
  border-right: 0;
}

.lb-tab:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.lb-tab.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.lb-tab[data-grade="S"].is-active { color: #d1e8ff; box-shadow: inset 0 -2px 0 var(--evidence-platinum); }
.lb-tab[data-grade="A"].is-active { color: #fef08a; box-shadow: inset 0 -2px 0 var(--evidence-gold); }
.lb-tab[data-grade="B"].is-active { color: #cbd5e1; box-shadow: inset 0 -2px 0 var(--evidence-silver); }
.lb-tab[data-grade="C"].is-active { color: #fed7aa; box-shadow: inset 0 -2px 0 var(--evidence-bronze); }

/* ── Single sortable table ──────────────────────────────────── */
.lb-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  margin-bottom: 2rem;
}

.lb-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  min-width: 880px;
  table-layout: auto;
}

.lb-table thead th {
  position: sticky;
  top: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0.85rem;
  text-align: left;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
  z-index: 1;
}

.lb-table thead th:hover {
  color: var(--text);
}

.lb-table thead th[data-col="rank"] {
  cursor: default;
}

.lb-table thead th[aria-sort="ascending"],
.lb-table thead th[aria-sort="descending"] {
  color: var(--text);
}

.lb-table thead th .lb-sort {
  opacity: 0.5;
  margin-left: 0.3em;
  font-size: 0.7em;
}

.lb-table thead th[aria-sort] .lb-sort {
  opacity: 1;
  color: var(--tier-extra);
}

.lb-table tbody td {
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  white-space: nowrap;
}

.lb-table tbody tr:last-child td {
  border-bottom: 0;
}

.lb-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Subtle grade tint per row — left border accent only */
.lb-table tbody tr[data-trust-grade="S"] td:first-child { box-shadow: inset 3px 0 0 var(--evidence-platinum); }
.lb-table tbody tr[data-trust-grade="A"] td:first-child { box-shadow: inset 3px 0 0 var(--evidence-gold); }
.lb-table tbody tr[data-trust-grade="B"] td:first-child { box-shadow: inset 3px 0 0 var(--evidence-silver); }
.lb-table tbody tr[data-trust-grade="C"] td:first-child { box-shadow: inset 3px 0 0 var(--evidence-bronze); }

/* Column widths/alignment */
.lb-table .col-rank {
  color: var(--muted);
  width: 3.5rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.lb-table .col-id {
  color: var(--text);
  white-space: normal;
  min-width: 16rem;
  width: auto;
  word-break: break-all;
}

.lb-table .col-id a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.lb-table .col-id a:hover {
  color: var(--tier-extra);
  border-bottom-color: currentColor;
}

.lb-table .col-tm {
  text-align: right;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: 0.84rem;
  width: 9rem;
  white-space: nowrap;
}

.lb-table .col-tm .lb-arrow {
  display: inline-block;
  width: 1em;
  margin-right: 0.4em;
  font-size: 0.78em;
  vertical-align: 0.06em;
}
.lb-arrow--up   { color: var(--tier-extra); }
.lb-arrow--down { color: #fb7185; }
.lb-arrow--flat { color: var(--muted); opacity: 0.5; }

.lb-table .col-tm .lb-tm-num {
  font-variant-numeric: tabular-nums;
}

.lb-table .col-grade,
.lb-table .col-stars,
.lb-table .col-g7 {
  text-align: center;
}

/* ── (i) Apex info icon beside June stars (5★+ only) ─────── */
.lb-apex-info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.45em;
  width: 1.1em;
  height: 1.1em;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-style: italic;
  font-weight: 600;
  cursor: help;
  transition: color 0.15s, border-color 0.15s;
  vertical-align: 1px;
}

.lb-apex-info:hover,
.lb-apex-info:focus-visible {
  color: var(--text);
  border-color: var(--text);
  outline: none;
}

.lb-apex-info--apex {
  color: var(--tier-ultimate);
  border-color: var(--tier-ultimate);
}

/* ── Per-row grade pill (no circles) ───────────────────────── */
.lb-grade-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 22px;
  border-radius: 3px;  /* rectangular, not circular */
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0;
}

/* All metallic fills inherit from styles.css */

/* ── Stars cell ─────────────────────────────────────────────── */
.lb-stars {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
}

.lb-stars--0 { color: var(--rank-0); }
.lb-stars--1 { color: var(--rank-1); }
.lb-stars--2 { color: var(--rank-2); }
.lb-stars--3 { color: var(--rank-3); }
.lb-stars--4 { color: var(--rank-4); }
.lb-stars--5 { color: var(--rank-5); }
.lb-stars--6 {
  /* 6★ Apex — rainbow cycle per DESIGN.md L249-262 (Ultimate Skill Cycle).
     Reuses the global @keyframes tree-rainbow-glow defined in styles.css. */
  animation: tree-rainbow-glow 4s linear infinite;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-shadow: 0 0 6px currentColor;
}

@media (prefers-reduced-motion: reduce) {
  .lb-stars--6 { animation: none; color: var(--rank-6); }
}

/* ── Flags ──────────────────────────────────────────────────── */
.lb-flag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.12em 0.5em;
  border-radius: 3px;
  letter-spacing: 0.02em;
}

.lb-flag--floor { color: var(--tier-basic); background: var(--tier-basic-bg); border: 1px solid var(--tier-basic-border); }
.lb-flag--up    { color: var(--tier-extra); background: var(--tier-extra-bg); border: 1px solid var(--tier-extra-border); }
.lb-flag-empty  { color: var(--border); }

/* ── Apex cell ──────────────────────────────────────────────
   (Apex column was removed in favor of an inline (i) tooltip
   beside June stars — see .lb-apex-info above.) */

/* ── Empty state ────────────────────────────────────────────── */
.lb-empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

/* ── Footer ledger ──────────────────────────────────────────── */
.lb-ledger {
  width: 100%;
  margin: 2rem 0 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.lb-ledger__row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px dashed var(--border);
}

.lb-ledger__row:last-child {
  border-bottom: 0;
}

.lb-ledger__row--meta {
  margin-top: 0.4rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border);
  border-bottom: 0;
}

.lb-ledger__key {
  color: var(--tier-extra);
  letter-spacing: 0.04em;
  font-weight: 600;
}

.lb-ledger__val {
  color: var(--muted);
  line-height: 1.6;
}

.lb-ledger__val a {
  color: var(--tier-basic);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.lb-ledger__val a:hover {
  color: var(--text);
}

.lb-ledger__val strong {
  color: var(--text);
}

/* ── Back-to-top ────────────────────────────────────────────── */
.lb-back-top {
  text-align: center;
  margin: 2rem 0 4rem;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 720px) {
  .ledger-page main.ledger-main {
    padding: 4rem 0.85rem 0;       /* edge-to-edge feel on small screens */
  }
  .lb-hero {
    min-height: auto;
    padding-top: 1.75rem;
    padding-bottom: 0.5rem;
  }
  .lb-hero h1 {
    margin-bottom: 0.5rem;
  }
  .lb-hero .lb-rank-note {
    font-size: 0.66rem;
    padding: 0.35rem 0.55rem;
    line-height: 1.4;
  }
  .lb-distribution {
    margin: 0.75rem 0 1rem;
    padding: 0.75rem 0.85rem;
  }
  .lb-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    margin: 1.75rem 0 1rem;        /* still has breathing room above */
    padding: 0.7rem 0.75rem;
  }
  .lb-search {
    flex: 1 1 auto;
    padding: 0.45rem 0.7rem;
  }
  .lb-search input {
    font-size: 0.78rem;
  }
  /* Filter pills: shrink, allow wrap so all 6 fit on 320–360px screens */
  .lb-filters {
    align-self: stretch;
    display: flex;
    flex-wrap: wrap;
    border: 0;
    border-radius: 0;
    overflow: visible;
    gap: 0.3rem;
  }
  .lb-tab {
    flex: 1 1 auto;
    padding: 0.45rem 0.6rem;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    border: 1px solid var(--border);
    border-radius: 4px;
  }
  .lb-tab:last-child {
    border-right: 1px solid var(--border);
  }
  /* Table: smaller text + tighter cell padding so it fits without horizontal scroll */
  .lb-table {
    min-width: 0;
    font-size: 0.72rem;
  }
  .lb-table thead th {
    padding: 0.55rem 0.5rem;
    font-size: 0.6rem;
    letter-spacing: 0.08em;
  }
  .lb-table tbody td {
    padding: 0.5rem 0.5rem;
  }
  .lb-table .col-rank {
    width: 2rem;
  }
  .lb-table .col-id {
    min-width: 8rem;
  }
  .lb-table .col-tm {
    width: 5rem;
    font-size: 0.78rem;
  }
  .lb-ledger {
    margin: 1.5rem 0;
    padding: 1rem 0.85rem;
    font-size: 0.72rem;
  }
  .lb-ledger__row {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
  .lb-dist-keys {
    flex-direction: column;
    align-items: stretch;
  }
  .lb-dist-key--total {
    margin-left: 0;
  }
}