/* ─────────────────────────────────────────────
   AMPACITIES · platform sub-pages
   Shared layout for /platform/projects /platform/invoices
   /platform/saved-calculations /platform/clients etc.
   Depends on tokens from /shared/_shared.css
   ───────────────────────────────────────────── */

main.plat { padding: 0 0 120px; }
.plat-frame { max-width: 1480px; margin: 0 auto; padding: 0 56px; }

/* ─────  Sheet header  ───── */
.plat-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: end;
  padding: 64px 0 36px;
  border-bottom: 1px solid var(--rule);
}
.plat-head .crumb {
  display: inline-flex; align-items: baseline; gap: 12px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-bottom: 16px;
}
.plat-head .crumb::before {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--accent);
  transform: translateY(-3px);
}
.plat-head .crumb a {
  color: var(--ink-mute);
  text-decoration: none;
  transition: color 0.3s;
}
.plat-head .crumb a:hover { color: var(--accent); }
.plat-head .crumb .sep { color: var(--ink-mute); opacity: 0.6; }
.plat-head h1 {
  font-family: 'Antonio', sans-serif;
  font-weight: 300;
  font-size: clamp(48px, 6.4vw, 96px);
  line-height: 0.9;
  letter-spacing: -0.018em;
  text-transform: uppercase;
}
.plat-head h1 .it {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  color: var(--accent);
  letter-spacing: 0;
}
.plat-head h1 .strong { font-weight: 600; }
.plat-head .counts {
  display: flex; flex-direction: column; gap: 6px;
  padding-bottom: 14px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
  text-align: right;
}
.plat-head .counts .v {
  color: var(--ink);
  font-family: 'Antonio', sans-serif;
  font-weight: 400;
  font-size: 24px;
  letter-spacing: 0.02em;
}

/* ─────  Toolbar (filter + actions)  ───── */
.plat-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; padding: 22px 0 26px;
  border-bottom: 1px solid var(--rule);
}
.plat-bar .filters {
  display: inline-flex; align-items: center;
  border: 1px solid var(--rule);
  background: transparent;
}
.plat-bar .filters button {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  background: transparent;
  border: none;
  color: var(--ink-mute);
  padding: 9px 14px;
  cursor: pointer;
  position: relative;
  transition: color 0.3s, background 0.3s;
  border-right: 1px solid var(--rule);
}
.plat-bar .filters button:last-child { border-right: none; }
.plat-bar .filters button:hover { color: var(--ink); }
.plat-bar .filters button.is-active {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--ink);
}
.plat-bar .filters button .ct {
  margin-left: 6px;
  color: var(--accent);
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
}
.plat-bar .actions { display: inline-flex; gap: 12px; }

/* Primary + ghost CTAs reuse the homepage's .btn primitive, but with a
   tighter size for in-page use. */
.plat-bar .btn-sm {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  padding: 12px 18px;
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 12px;
  transition: all 0.45s cubic-bezier(.7,.05,.18,1);
  position: relative; overflow: hidden;
}
.plat-bar .btn-sm::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--accent);
  transform: translateY(101%);
  transition: transform 0.45s cubic-bezier(.7,.05,.18,1);
  z-index: 0;
}
.plat-bar .btn-sm span, .plat-bar .btn-sm .arr { position: relative; z-index: 1; }
.plat-bar .btn-sm:hover::before { transform: translateY(0); }
.plat-bar .btn-sm:hover { border-color: var(--accent); color: var(--ink); }
.plat-bar .btn-sm .arr { font-family: 'Instrument Serif', serif; font-style: italic; font-size: 14px; }
.plat-bar .btn-sm.ghost { background: transparent; color: var(--ink); }

/* ─────  List / table  ───── */
.plat-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 64px;
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
}
.plat-table thead th {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-mute);
  text-align: left;
  font-weight: 400;
  padding: 22px 14px 14px;
  border-bottom: 1px solid var(--rule);
}
.plat-table thead th.r { text-align: right; }
.plat-table tbody tr {
  border-bottom: 1px solid var(--rule);
  transition: background 0.3s;
}
.plat-table tbody tr:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
.plat-table tbody td { padding: 18px 14px; vertical-align: middle; }
.plat-table tbody td.r { text-align: right; }
.plat-table td.ref {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  white-space: nowrap;
}
.plat-table td.ref em {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  color: var(--accent);
  font-size: 13px;
  margin-right: 4px;
  letter-spacing: 0;
}
.plat-table td.title {
  font-family: 'Antonio', sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 16px;
  color: var(--ink);
}
.plat-table td.title .it {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  color: var(--accent);
  text-transform: none;
  font-weight: 400;
  letter-spacing: 0;
}
.plat-table td.sub {
  color: var(--ink-soft);
  font-size: 13.5px;
}
.plat-table td.meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.plat-table td.figure {
  font-family: 'Antonio', sans-serif;
  font-weight: 400;
  font-size: 18px;
  color: var(--ink);
}
.plat-table td.figure .cur {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  color: var(--accent);
  font-size: 14px;
  margin-right: 2px;
  letter-spacing: 0;
}
.plat-table .pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  padding: 4px 9px;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.plat-table .pill::before {
  content: '';
  width: 5px; height: 5px;
  background: currentColor;
  border-radius: 50%;
}
.plat-table .pill.pass     { color: var(--voltage); }
.plat-table .pill.fail     { color: #b5523a; }
.plat-table .pill.draft    { color: var(--ink-mute); }
.plat-table .pill.issued   { color: var(--accent); }
.plat-table .pill.review   { color: var(--ink-soft); }
.plat-table .pill.superseded { color: var(--ink-mute); }
.plat-table .pill.active   { color: var(--voltage); }
.plat-table .pill.on_hold  { color: var(--ink-mute); }
.plat-table .pill.complete { color: var(--accent); }
.plat-table .pill.archived { color: var(--ink-mute); opacity: 0.6; }
.plat-table .pill.sent     { color: var(--ink); }
.plat-table .pill.overdue  { color: #b5523a; }
.plat-table .pill.settled  { color: var(--voltage); }
.plat-table .pill.void     { color: var(--ink-mute); }

/* ─────  Empty state  ───── */
.plat-empty {
  padding: 96px 0;
  text-align: center;
  border-bottom: 1px solid var(--rule);
}
.plat-empty .glyph {
  width: 64px; height: 64px;
  border: 1px solid var(--rule);
  display: inline-block;
  position: relative;
  margin-bottom: 28px;
}
.plat-empty .glyph::before, .plat-empty .glyph::after {
  content: '';
  position: absolute;
  background: var(--ink-mute);
}
.plat-empty .glyph::before { top: 50%; left: 12px; right: 12px; height: 1px; transform: translateY(-50%); }
.plat-empty .glyph::after  { left: 50%; top: 12px; bottom: 12px; width: 1px; transform: translateX(-50%); opacity: 0.5; }
.plat-empty h3 {
  font-family: 'Antonio', sans-serif;
  font-weight: 400;
  font-size: 32px;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.plat-empty h3 .it {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  text-transform: none;
  letter-spacing: 0;
}
.plat-empty p {
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 48ch;
  margin: 0 auto 28px;
}
.plat-empty .empty-actions {
  display: inline-flex; gap: 14px;
}
.plat-empty .empty-actions a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  padding: 14px 22px;
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 12px;
  transition: background 0.4s, color 0.4s, border-color 0.4s;
}
.plat-empty .empty-actions a:hover { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.plat-empty .empty-actions a.ghost { background: transparent; color: var(--ink); }
.plat-empty .empty-actions a.ghost:hover { background: var(--ink); color: var(--bg); }
.plat-empty .empty-actions a .arr {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
}

/* ─────  Modal (new-X form)  ───── */
.plat-modal[hidden] { display: none; }
.plat-modal {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--bg-deepest) 70%, transparent);
  backdrop-filter: blur(8px);
  z-index: 200;
  padding: 24px;
}
.plat-modal .card {
  width: 100%; max-width: 560px;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  padding: 36px 32px 28px;
  position: relative;
  max-height: 88vh; overflow-y: auto;
}
.plat-modal .card::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px; right: -1px;
  height: 2px;
  background: var(--accent);
}
.plat-modal .card-no {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
  text-transform: uppercase;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 24px;
}
.plat-modal .card-no em {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0;
  margin: 0 4px;
}
.plat-modal h2 {
  font-family: 'Antonio', sans-serif;
  font-weight: 300;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.plat-modal h2 .it {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  color: var(--accent);
  letter-spacing: 0;
}
.plat-modal .sub {
  font-size: 13.5px;
  color: var(--ink-mute);
  margin-bottom: 22px;
}
.plat-modal .close {
  position: absolute;
  top: 18px; right: 22px;
  background: transparent;
  border: none;
  color: var(--ink-mute);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 4px 6px;
  transition: color 0.3s;
}
.plat-modal .close:hover { color: var(--accent); }

/* Responsive */
@media (max-width: 1100px) {
  .plat-head { grid-template-columns: 1fr; gap: 24px; }
  .plat-head .counts { text-align: left; }
  .plat-bar { flex-wrap: wrap; gap: 14px; }
}
@media (max-width: 720px) {
  .plat-frame { padding: 0 24px; }
  .plat-table thead { display: none; }
  .plat-table tbody tr { display: block; padding: 14px 0; }
  .plat-table tbody td { display: block; padding: 4px 0; }
  .plat-table tbody td.r { text-align: left; }
}