.pmk-phonebook {
  --pmk-green: #63836b;
  --pmk-green-dark: #23442d;
  --pmk-green-pale: #edf4eb;
  --pmk-border: #b8cbb8;
  color: #18341f;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1rem 2.5rem;
}

.pmk-phonebook *,
.pmk-phonebook *::before,
.pmk-phonebook *::after { box-sizing: border-box; }

.pmk-phonebook .screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.pmk-phonebook__intro {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--pmk-border);
  border-left: .35rem solid var(--pmk-green);
  border-radius: .8rem;
  background: linear-gradient(135deg, #f8fbf7, var(--pmk-green-pale));
}

.pmk-phonebook__intro-icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  flex: 0 0 3rem;
  border-radius: .75rem;
  color: #fff;
  background: var(--pmk-green);
  font-size: 1.35rem;
  box-shadow: 0 .35rem .8rem rgba(35, 68, 45, .18);
}

.pmk-phonebook__intro h2,
.pmk-phonebook__intro p { margin: 0; }
.pmk-phonebook__intro h2 { font-size: clamp(1.35rem, 3vw, 1.85rem); }
.pmk-phonebook__intro p { margin-top: .25rem; }

.pmk-phonebook__tools {
  position: sticky;
  top: .5rem;
  z-index: 4;
  padding: 1rem 1.15rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--pmk-border);
  border-radius: .8rem;
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 .45rem 1.1rem rgba(35, 68, 45, .1);
}

.pmk-phonebook__tools label { display: block; margin-bottom: .4rem; font-weight: 700; }
.pmk-phonebook__search-row { display: flex; gap: .6rem; }
.pmk-phonebook__search {
  width: 100%;
  min-height: 3rem;
  padding: .65rem .85rem;
  border: 2px solid #718d76;
  border-radius: .55rem;
  background: #fff;
  color: #132b19;
  font: inherit;
}
.pmk-phonebook__search:focus,
.pmk-phonebook a:focus,
.pmk-phonebook button:focus,
.pmk-phonebook__table-wrap:focus { outline: 3px solid #1769aa; outline-offset: 2px; }
.pmk-phonebook__clear {
  min-height: 3rem;
  padding: .6rem .9rem;
  border: 2px solid var(--pmk-green-dark);
  border-radius: .55rem;
  color: #fff;
  background: var(--pmk-green-dark);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.pmk-phonebook__status { margin: .5rem 0 0; }

.pmk-phonebook__groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; align-items: start; }
.pmk-phonebook__group {
  overflow: hidden;
  border: 1px solid var(--pmk-border);
  border-radius: .8rem;
  background: #fff;
  box-shadow: 0 .35rem .9rem rgba(35, 68, 45, .08);
}
.pmk-phonebook__group--split { grid-column: 1 / -1; }
.pmk-phonebook__group-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: stretch;
}
.pmk-phonebook__group--split .pmk-phonebook__table-wrap {
  min-width: 0;
  border-right: 1px solid var(--pmk-border);
}
.pmk-phonebook__group--split .pmk-phonebook__table-wrap:last-child { border-right: 0; }
.pmk-phonebook__group h3 {
  margin: 0;
  padding: .8rem 1rem;
  color: var(--pmk-green-dark);
  background: linear-gradient(90deg, #dce9da, #eef4ec);
  border-bottom: 1px solid var(--pmk-border);
  font-size: 1.15rem;
}
.pmk-phonebook__table-wrap { overflow-x: auto; }
.pmk-phonebook table { width: 100%; margin: 0; border: 0; border-collapse: collapse; font-size: .97rem; }
.pmk-phonebook th,
.pmk-phonebook td { padding: .65rem .75rem; border: 0; border-bottom: 1px solid #dce5dc; text-align: left; vertical-align: top; }
.pmk-phonebook thead th { color: #fff; background: var(--pmk-green); font-size: .9rem; }
.pmk-phonebook tbody tr:nth-child(even) { background: #f6faf5; }
.pmk-phonebook tbody tr:hover { background: #eaf3e8; }
.pmk-phonebook tbody tr:last-child > * { border-bottom: 0; }
.pmk-phonebook tbody th { font-weight: 650; }
.pmk-phonebook td:nth-child(2) { width: 5.2rem; white-space: nowrap; }
.pmk-phonebook td:nth-child(3) { width: 8.6rem; white-space: nowrap; }
.pmk-phonebook a { color: #0d568d; font-weight: 700; text-decoration-thickness: .1em; text-underline-offset: .15em; }

.pmk-phonebook__empty,
.pmk-phonebook__source { padding: 1rem 1.15rem; margin: 1.25rem 0 0; border-radius: .7rem; }
.pmk-phonebook__empty { border: 2px solid #a83c38; background: #fff4f2; color: #74231f; font-weight: 700; }
.pmk-phonebook__source { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1rem; border-left: .35rem solid var(--pmk-green); background: var(--pmk-green-pale); }

@media (max-width: 820px) {
  .pmk-phonebook__groups { grid-template-columns: 1fr; }
  .pmk-phonebook__group-columns { grid-template-columns: 1fr; }
  .pmk-phonebook__group--split .pmk-phonebook__table-wrap {
    border-right: 0;
    border-bottom: 1px solid var(--pmk-border);
  }
  .pmk-phonebook__group--split .pmk-phonebook__table-wrap:last-child { border-bottom: 0; }
  .pmk-phonebook__tools { position: static; }
}

@media (max-width: 580px) {
  .pmk-phonebook { padding-inline: .65rem; }
  .pmk-phonebook__intro { align-items: flex-start; padding: .9rem; }
  .pmk-phonebook__search-row { flex-direction: column; }
  .pmk-phonebook__clear { width: 100%; }
  .pmk-phonebook thead { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
  .pmk-phonebook tbody,
  .pmk-phonebook tr,
  .pmk-phonebook th,
  .pmk-phonebook td { display: block; width: 100% !important; }
  .pmk-phonebook tr { padding: .65rem .75rem; border-bottom: 1px solid #cbd9cb; }
  .pmk-phonebook th,
  .pmk-phonebook td { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: .5rem; padding: .2rem 0; border: 0; white-space: normal !important; }
  .pmk-phonebook th::before,
  .pmk-phonebook td::before { content: attr(data-label); color: #355b3e; font-weight: 700; }
  .pmk-phonebook tbody th { font-size: 1.02rem; }
}

@media (prefers-reduced-motion: reduce) {
  .pmk-phonebook * { scroll-behavior: auto !important; transition: none !important; }
}

@media print {
  .pmk-phonebook__tools { display: none; }
  .pmk-phonebook__groups { display: block; }
  .pmk-phonebook__group { break-inside: avoid; margin-bottom: 1rem; box-shadow: none; }
}