/* ============================================================================
   THE PROTOCOL — mechanics section components
   Loads after syn-theme.css on protocol pages (and races.html for perks).
   ========================================================================== */

/* ------------------------------------------------------------- layout */
.proto-wrap {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 22px 70px;
    display: grid;
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
}
.proto-rail {
    position: sticky;
    top: calc(var(--head-h) + 22px);
    border-left: 1px solid var(--line-soft);
    padding-left: 16px;
    font-size: 0.85rem;
}
.proto-rail .rail-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.3em;
    color: var(--ash);
    text-transform: uppercase;
    margin-bottom: 12px;
}
.proto-rail a {
    display: block;
    padding: 5px 0;
    color: var(--ash);
    text-decoration: none;
    transition: color 0.15s ease;
}
.proto-rail a:hover { color: var(--bone); }
.proto-rail a.current { color: var(--page-accent); }
.proto-main { min-width: 0; }
.proto-main > section { margin-bottom: clamp(40px, 6vh, 64px); scroll-margin-top: calc(var(--head-h) + 24px); }

.proto-main h2 {
    font-size: clamp(1.3rem, 2.4vw, 1.7rem);
    letter-spacing: 0.07em;
    margin-bottom: 6px;
    display: flex;
    align-items: baseline;
    gap: 12px;
}
.proto-main h2 .idx {
    font-family: var(--font-mono);
    font-size: 0.66em;
    color: var(--page-accent);
    letter-spacing: 0.18em;
}
.proto-main h3 {
    font-size: 1.05rem;
    letter-spacing: 0.08em;
    margin: 28px 0 10px;
    color: var(--bone);
}
.proto-main section > p { color: var(--ash); max-width: 72ch; }
.lede { font-size: 1.04rem; color: var(--bone) !important; }

/* ------------------------------------------------------ chips & labels */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 9px;
    border: 1px solid var(--line);
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: var(--ash);
    white-space: nowrap;
    line-height: 1.5;
}
.chip.req     { border-color: color-mix(in srgb, var(--signal) 45%, var(--line)); color: var(--signal); }
.chip.cost    { border-color: color-mix(in srgb, var(--gilt) 45%, var(--line)); color: var(--gilt); }
.chip.trigger { border-color: color-mix(in srgb, var(--sin) 40%, var(--line)); color: #ff9cc6; }
.chip.pro     { border-color: rgba(79, 214, 196, 0.5); color: #7fe6d8; }
.chip.con     { border-color: rgba(215, 90, 96, 0.55); color: #f08a8f; }
.chip.grade-utility { border-color: var(--clr-utility); color: var(--clr-utility); }
.chip.grade-field   { border-color: var(--clr-field); color: var(--clr-field); }
.chip.grade-lab     { border-color: var(--clr-lab); color: var(--clr-lab); }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 4px; }

/* Pending-record placeholder (unwritten source data, styled as intentional) */
.pending {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.16em;
    color: rgba(152, 161, 186, 0.65);
    border: 1px dashed rgba(152, 161, 186, 0.35);
    padding: 5px 10px;
    border-radius: 3px;
    display: inline-block;
}

/* --------------------------------------------------------- stat cores */
.core-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(305px, 1fr));
    gap: 16px;
    margin-top: 22px;
}
.core {
    background: var(--panel-soft);
    border: 1px solid var(--line-soft);
    border-top: 2px solid var(--page-accent);
    border-radius: 8px;
    padding: 18px;
}
.core-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.core-head h3 { margin: 0; font-size: 1.08rem; }
.core-abbr {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    color: var(--page-accent);
}
.core > p { font-size: 0.86rem; color: var(--ash); margin: 6px 0 14px; }
.substat { border-top: 1px solid var(--line-soft); padding: 10px 0 2px; }
.substat summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--bone);
}
.substat summary::-webkit-details-marker { display: none; }
.substat summary .ab { font-family: var(--font-mono); font-size: 0.68rem; color: var(--ash); letter-spacing: 0.18em; }
.substat summary::after { content: "+"; color: var(--ash); font-family: var(--font-mono); margin-left: 8px; }
.substat[open] summary::after { content: "−"; color: var(--page-accent); }
.substat[open] summary { color: var(--page-accent); }
.substat .sub-body { padding: 8px 0 8px; font-size: 0.85rem; color: var(--ash); }
.substat .sub-body b { color: var(--bone); font-weight: 600; }
.substat .sub-body p { margin: 0 0 7px; max-width: none; }

/* ----------------------------------------------------------- spec cards */
.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 16px;
    margin-top: 20px;
}
.spec-grid.wide { grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); }
.spec {
    background: var(--panel-soft);
    border: 1px solid var(--line-soft);
    border-radius: 8px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.spec:hover { border-color: color-mix(in srgb, var(--page-accent) 40%, var(--line)); }
.spec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.spec-head h3, .spec-head h4 { margin: 0; font-size: 1.02rem; letter-spacing: 0.06em; }
.spec-kind {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.24em;
    color: var(--ash);
    text-transform: uppercase;
    white-space: nowrap;
}
.spec .flavor { font-size: 0.86rem; color: var(--ash); font-style: italic; margin: 0; }
.spec ul.fx { margin: 4px 0 0 0; padding-left: 18px; font-size: 0.89rem; color: var(--bone); }
.spec ul.fx li { margin-bottom: 7px; }
.spec ul.fx li::marker { color: var(--page-accent); }
.spec .fx-line { font-size: 0.89rem; color: var(--bone); margin: 2px 0 0; }
.spec .fx-line b { color: var(--page-accent); font-weight: 600; }
.spec-foot { margin-top: auto; padding-top: 10px; border-top: 1px solid var(--line-soft); }

/* Weapon stat rows */
.wstat { display: grid; grid-template-columns: 86px 1fr; gap: 4px 12px; font-size: 0.85rem; margin-top: 6px; }
.wstat dt {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.16em;
    color: var(--ash);
    text-transform: uppercase;
    padding-top: 3px;
}
.wstat dd { margin: 0; color: var(--bone); font-variant-numeric: tabular-nums; }
.wstat dd .pct { color: var(--ash); font-size: 0.86em; }

/* -------------------------------------------------------- filter toolbar */
.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin: 20px 0 4px;
    position: sticky;
    top: calc(var(--head-h) + 8px);
    z-index: 40;
    background: rgba(4, 5, 12, 0.92);
    backdrop-filter: blur(10px);
    padding: 10px 12px;
    border: 1px solid var(--line-soft);
    border-radius: 8px;
}
.toolbar .fbtn {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ash);
    background: none;
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 6px 12px;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}
.toolbar .fbtn:hover { color: var(--bone); }
.toolbar .fbtn.on { color: var(--page-accent); border-color: var(--page-accent); box-shadow: 0 0 12px color-mix(in srgb, var(--page-accent) 35%, transparent); }
.toolbar .fsearch {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line);
    border-radius: 3px;
    color: var(--bone);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 7px 12px;
    min-width: 180px;
}
.toolbar .fsearch::placeholder { color: rgba(152, 161, 186, 0.6); letter-spacing: 0.08em; }
.toolbar .fcount { font-family: var(--font-mono); font-size: 0.66rem; color: var(--ash); letter-spacing: 0.14em; }
[data-card].is-hidden { display: none; }

/* ------------------------------------------------------------ data tables */
.proto-table-wrap { overflow-x: auto; margin-top: 18px; border: 1px solid var(--line-soft); border-radius: 8px; }
table.proto-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; min-width: 560px; }
.proto-table th {
    font-family: var(--font-mono);
    font-size: 0.64rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-align: left;
    color: var(--ash);
    background: rgba(255, 255, 255, 0.04);
    padding: 11px 14px;
    border-bottom: 1px solid var(--line);
}
.proto-table td { padding: 11px 14px; border-bottom: 1px solid var(--line-soft); color: var(--bone); vertical-align: top; }
.proto-table tr:last-child td { border-bottom: 0; }
.proto-table td:first-child { font-weight: 600; white-space: nowrap; }
.proto-table .num { font-variant-numeric: tabular-nums; font-family: var(--font-mono); font-size: 0.82rem; }

/* ------------------------------------------------------ callouts & notes */
.note {
    border-left: 2px solid var(--page-accent);
    background: var(--panel-soft);
    padding: 14px 18px;
    border-radius: 0 8px 8px 0;
    font-size: 0.92rem;
    color: var(--bone);
    margin: 18px 0;
    max-width: 76ch;
}
.note .note-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--page-accent);
    display: block;
    margin-bottom: 5px;
}
.formula {
    font-family: var(--font-mono);
    font-size: 0.84rem;
    color: var(--signal);
    background: rgba(69, 214, 255, 0.06);
    border: 1px solid rgba(69, 214, 255, 0.22);
    border-radius: 4px;
    padding: 2px 8px;
    white-space: nowrap;
}

/* --------------------------------------------------------- grade bands */
.grade-band {
    position: relative;
    border: 1px solid var(--line-soft);
    border-radius: 10px;
    padding: clamp(20px, 3.4vw, 30px);
    margin-top: 24px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--band) 7%, transparent), transparent 55%), var(--panel-soft);
    border-top: 2px solid var(--band);
}
.grade-band.utility { --band: var(--clr-utility); }
.grade-band.field   { --band: var(--clr-field); }
.grade-band.lab     { --band: var(--clr-lab); }
.grade-band .clearance { color: var(--band); margin-bottom: 10px; }
.grade-band .clearance .cells i.on { background: var(--band); box-shadow: 0 0 10px color-mix(in srgb, var(--band) 70%, transparent); }
.grade-band h2 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); margin: 0 0 6px; letter-spacing: 0.08em; }
.grade-band > p.band-line { color: var(--ash); font-size: 0.95rem; max-width: 64ch; margin: 0 0 18px; }
.grade-band .tile-grid { margin-top: 0; }
.grade-band .tile { --tile-accent: var(--band); }

/* --------------------------------------------------- continue / footer nav */
.proto-continue {
    margin-top: 50px;
    display: flex;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}
.proto-continue a {
    flex: 1 1 240px;
    text-decoration: none;
    border: 1px solid var(--line-soft);
    border-radius: 8px;
    padding: 16px 18px;
    background: var(--panel-soft);
    transition: border-color 0.16s ease, transform 0.16s ease;
}
.proto-continue a:hover { border-color: var(--page-accent); transform: translateY(-3px); }
.proto-continue .dir {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.28em;
    color: var(--ash);
    text-transform: uppercase;
    display: block;
    margin-bottom: 6px;
}
.proto-continue .dest { color: var(--bone); font-family: var(--font-display); font-weight: 600; letter-spacing: 0.06em; }
.proto-continue a.next { text-align: right; }
.proto-continue a.next .dir { color: var(--page-accent); }

/* ----------------------------------------------------------- responsive */
@media (max-width: 980px) {
    .proto-wrap { grid-template-columns: 1fr; gap: 0; }
    .proto-rail { display: none; }
}
@media (max-width: 640px) {
    .toolbar { position: static; }
    .toolbar .fsearch { margin-left: 0; width: 100%; }
    .spec-grid, .spec-grid.wide { grid-template-columns: 1fr; }
    .wstat { grid-template-columns: 78px 1fr; }
}