#leaderboard {
  flex: 1 1 auto;
  width: 100%;
  overflow: auto;
  background: #f4f7fa;
  color: #263746;
}

.leaderboard_container {
  box-sizing: border-box;
  width: min(1040px, calc(100% - 48px));
  margin: 0 auto;
  padding: 32px 0 52px;
}

.leaderboard_header {
  margin-bottom: 24px;

  h1 {
    margin: 5px 0 6px;
    color: #263746;
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 400;
    line-height: 1.05;
  }

  p {
    margin: 0;
    color: #647181;
    font-size: 16px;
    line-height: 1.45;
  }
}

.leaderboard_eyebrow {
  color: #238cb9;
  font: 13px 'Acme';
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.leaderboard_panel {
  overflow: hidden;
  border: 1px solid #d5dee6;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 3px 12px rgba(25, 48, 68, 0.07);

  table {
    width: 100%;
    border-collapse: collapse;
  }

  th,
  td {
    box-sizing: border-box;
    padding: 14px 18px;
    border-bottom: 1px solid #e1e7ec;
    text-align: center;
  }

  th {
    background: linear-gradient(110deg, #f8fbfd 0%, #edf4f7 100%);
    color: #526171;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.045em;
    text-transform: uppercase;
  }

  td {
    color: #526171;
    font-size: 15px;
  }

  tbody tr {
    transition: background 120ms ease;

    &:hover {
      background: #f6fafc;
    }

    &:last-child td {
      border-bottom: 0;
    }
  }

  .player_heading,
  .player_cell {
    text-align: left;
  }

  .player_cell a {
    color: #263746;
    font: 18px 'Acme';
    text-decoration: none;

    &:hover,
    &:focus-visible {
      color: #176b96;
      text-decoration: underline;
      text-underline-offset: 3px;
    }
  }

  .rating_cell {
    color: #263746;
    font: 19px 'Acme';
  }

  .record_cell {
    font-variant-numeric: tabular-nums;
  }

  .record_key {
    white-space: nowrap;
  }

  .rank_badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid #c4d0d9;
    border-radius: 50%;
    background: #eef3f6;
    color: #526171;
    font: 16px/1 'Acme';
  }

  .rank_1 {
    border-color: #d0a829;
    background: linear-gradient(145deg, #fff7c7 0%, #e7b934 100%);
    color: #5d4700;
    box-shadow: 0 2px 5px rgba(166, 125, 0, 0.24);
  }

  .rank_2 {
    border-color: #7f929f;
    background: linear-gradient(145deg, #f7fafc 0%, #b9c6cf 100%);
    color: #263746;
    box-shadow: 0 2px 5px rgba(52, 71, 90, 0.2);
  }

  .rank_3 {
    border-color: #bb825b;
    background: linear-gradient(145deg, #f8ddc9 0%, #c98557 100%);
    color: #59331c;
    box-shadow: 0 2px 5px rgba(125, 70, 35, 0.22);
  }

  .pagination {
    margin: 0;
    border-top: 1px solid #e1e7ec;
    background: #f8fafb;
  }
}

@media (max-width: 700px) {
  .leaderboard_container {
    width: calc(100% - 28px);
    padding-block: 24px 38px;
  }

  .leaderboard_panel {
    padding: 10px;
    background: #edf3f6;

    .leaderboard_table_wrap,
    table,
    tbody {
      display: block;
    }

    thead {
      display: none;
    }

    tr {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0;
      margin-bottom: 10px;
      overflow: hidden;
      border: 1px solid #d5dee6;
      border-radius: 9px;
      background: #fff;
      box-shadow: 0 2px 6px rgba(25, 48, 68, 0.06);

      &:last-child {
        margin-bottom: 0;
      }
    }

    th,
    td {
      min-width: 0;
      padding: 10px 12px;
      border-bottom: 1px solid #e7ecef;
      text-align: left;
      overflow-wrap: anywhere;
    }

    td {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      font-weight: 700;

      &::before {
        content: attr(data-label);
        color: #7a8894;
        font-size: 10px;
        font-weight: 700;
        letter-spacing: 0.045em;
        text-transform: uppercase;
      }
    }

    .rank_cell,
    .player_cell {
      grid-column: span 1;
      min-height: 52px;
      background: #f8fbfd;
    }

    .player_cell {
      justify-content: flex-end;

      &::before {
        display: none;
      }
    }

    .rating_cell,
    .record_cell {
      border-right: 1px solid #e7ecef;
    }

    .pagination {
      margin: 10px -10px -10px;
    }
  }
}

h1.user_title {
  font-size: 2em;
  margin: 20px;
  color: #333;
}

.user_form {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  width: 100%;

  .form_group {
    padding: 20px;
    background: url("/assets/bkg4-349bbe9b.png");
    box-shadow: inset 0 2px 3px rgba(0,0,0,0.5);
    border-bottom: 1px solid silver;
    border-radius: 2px;
    margin-bottom: 20px;

    .notes {
      color: #444;
      font-size: 0.8em;
      display: inline-block;
      font-style: italic;
      margin-bottom: 5px;
      display: block;
    }

    .field {
      margin-bottom: 10px;
    }

    label {
      color: #333;
      font-family: 'Acme';
      font-size: 1.3em;
      margin: 10px 0 0;
      display: inline-block;
    }
  }
  .notifies {
    .title {
      margin: 10px 0 0;
      font-family: 'Acme';
      font-size: 1.3em;
    }
    label {
      font-size: 1em;
    }
  }
  .actions {
    margin-top: 10px;
  }
  .cur_psw {
    margin-top: 20px;
    .notes {
      color: #777;
      font-size: 0.8em;
      display: inline-block;
      font-style: italic;
      margin-bottom: 5px;
    }
    label {
      color: #333;
      font-family: 'Acme';
      font-size: 1.3em;
      margin: 10px 0 0;
      display: inline-block;
    }
  }
  .field_with_errors {
    margin: 0;
  }
  .avatar {
    padding: 10px;
    .remove {
      padding-left: 10px;
      color: #555;
      font-size: 0.9em;
    }
  }
  .remember_me {
    font-size: 0.8em;
    margin-top: 14px;
  }
}

.account_edit {
  box-sizing: border-box;
  padding: 28px 20px 44px;
  background: #f7f9fc;
  text-align: left;

  .account_edit_header, .account_edit_form {
    box-sizing: border-box;
    width: 100%;
    max-width: 820px;
    margin-right: auto;
    margin-left: auto;
  }

  .account_edit_header {
    margin-bottom: 20px;

    .page_title {
      margin: 0 0 4px;
      color: #263746;
    }

    p {
      margin: 0;
      color: #647181;
      line-height: 1.5;
    }
  }

  .account_edit_form {
    display: block;

    #error_explanation {
      margin: 0 0 18px;
      padding: 14px 18px;
      border: 1px solid #e2aca8;
      border-radius: 10px;
      background: #fff4f2;
      color: #713b37;
      font-size: 14px;
      line-height: 1.5;
      text-align: left;

      h2 {
        margin: 0 0 6px;
        font-size: 18px;
      }

      ul {
        margin: 0;
        padding-left: 20px;
      }
    }
  }

  .account_edit_section {
    margin-bottom: 16px;
    padding: 22px 24px;
    border: 1px solid #d8e0e8;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(25, 48, 68, 0.05);
  }

  .account_edit_section_header {
    margin-bottom: 20px;

    h2 {
      margin: 0 0 4px;
      color: #263746;
      font-size: 23px;
    }

    p {
      margin: 0;
      color: #647181;
      font-size: 14px;
      line-height: 1.45;
    }
  }

  .account_edit_fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 20px;
  }

  .account_edit_field {
    min-width: 0;

    label {
      display: block;
      margin: 0 0 7px;
      color: #34475a;
      font: 16px 'Acme';
    }

    input[type='text'], input[type='email'], input[type='password'] {
      box-sizing: border-box;
      width: 100%;
      max-width: 100%;
      padding: 10px 12px;
      border: 1px solid #bdcad5;
      border-radius: 7px;
      background: #fff;
      color: #263746;
      font-size: 16px;

      &:focus-visible {
        border-color: #1686bb;
        outline: 2px solid #b8e4fa;
        outline-offset: 1px;
      }
    }

    input[type='file'] {
      box-sizing: border-box;
      max-width: 100%;
      color: #526171;
      font-size: 14px;
    }
  }

  .account_edit_field_full {
    grid-column: 1 / -1;
  }

  .account_edit_hint {
    display: block;
    margin-top: 6px;
    color: #647181;
    font-size: 13px;
    line-height: 1.4;
  }

  .account_edit_option {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    padding: 11px 12px;
    border: 1px solid #e1e8ee;
    border-radius: 8px;
    background: #f8fafc;
    color: #34475a;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.4;

    input[type='checkbox'] {
      flex: none;
      width: 17px;
      height: 17px;
      margin: 1px 0 0;
      accent-color: #1686bb;
      cursor: pointer;
    }

    strong, small {
      display: block;
    }

    small {
      margin-top: 2px;
      color: #647181;
      font-size: 13px;
    }
  }

  .account_edit_avatar_row {
    display: flex;
    align-items: center;
    gap: 20px;
  }

  .account_edit_avatar_preview {
    flex: none;
    width: 88px;
    height: 88px;
    border-radius: 12px;
    object-fit: cover;
  }

  .account_edit_avatar_controls {
    min-width: 0;
  }

  .account_edit_remove_avatar {
    display: inline-flex;
    margin-top: 12px;
  }

  .account_edit_options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .account_edit_actions {
    display: flex;
    justify-content: flex-end;
    padding-top: 4px;

    .btn_link {
      padding: 11px 22px;
      border: 1px solid #1686bb;
      border-radius: 8px;
      background: var(--btn-primary);
      color: #08354d;

      &:hover, &:focus-visible {
        border-color: #0874aa;
        background: #18a7e8;
      }

      &:focus-visible {
        outline: 2px solid #176b96;
        outline-offset: 2px;
      }
    }
  }
}

@media (max-width: 600px) {
  .account_edit {
    padding: 20px 14px 32px;

    .account_edit_section {
      padding: 18px 16px;
    }

    .account_edit_fields, .account_edit_options {
      grid-template-columns: 1fr;
    }

    .account_edit_avatar_row {
      flex-direction: column;
      align-items: flex-start;
      gap: 14px;
    }

    .account_edit_avatar_preview {
      width: 68px;
      height: 68px;
    }

    .account_edit_actions .btn_link {
      width: 100%;
    }
  }
}

.reg_status {
  display: inline-block;
  font-size: 0.9em;
  margin: 5px 10px 10px;
  padding: 5px 10px;
  background: khaki;
  border: 1px solid goldenrod;
  box-shadow: 0 1px 2px rgba(0,0,0,0.3);
  .open, .closed {
    font-weight: 700;
  }
  .open {
    color: darkgreen;
  }
  .closed {
    color: firebrick;
  }
}

.auth_page {
  position: relative;
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 48px 20px;
  box-sizing: border-box;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 18%, rgba(41, 182, 246, 0.12), transparent 25%),
    radial-gradient(circle at 88% 82%, rgba(121, 42, 135, 0.08), transparent 24%),
    #f3f6f9;
}

.auth_card {
  position: relative;
  width: 100%;
  max-width: 470px;
  padding: 30px;
  box-sizing: border-box;
  border: 1px solid #cfd9e2;
  border-radius: 15px;
  background: #fff;
  box-shadow: 0 14px 40px rgba(25, 48, 68, 0.13);
}

.auth_card_wide {
  max-width: 680px;
}

.auth_header {
  margin-bottom: 24px;
  text-align: center;

  .auth_icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: 13px;
    border: 1px solid #9dc9df;
    border-radius: 12px;
    background: #e8f7fd;
    color: #176b96;
    font-size: 20px;

    i {
      color: inherit;
    }
  }

  .auth_eyebrow {
    display: block;
    margin-bottom: 5px;
    color: #238cb9;
    font: 12px 'Acme';
    letter-spacing: 0.09em;
    text-transform: uppercase;
  }

  h1 {
    margin: 0;
    color: #263746;
    font-size: 30px;
    font-weight: 400;
    line-height: 1.15;
  }

  p {
    max-width: 510px;
    margin: 9px auto 0;
    color: #647586;
    font-size: 14px;
    line-height: 1.5;
  }
}

.auth_form {
  margin: 0;

  .auth_field_grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .auth_field {
    min-width: 0;
    margin-bottom: 16px;

    label {
      display: block;
      margin: 0 0 7px;
      color: #34475a;
      font: 15px 'Acme';
    }

    input[type='email'],
    input[type='password'],
    input[type='text'] {
      width: 100%;
      max-width: 100%;
      min-height: 44px;
      padding: 9px 11px;
      box-sizing: border-box;
      border: 1px solid #b9c7d2;
      border-radius: 8px;
      background: #fbfcfd;
      color: #263746;
      font-size: 16px;

      &::placeholder {
        color: #94a1ac;
      }

      &:hover {
        border-color: #8fa3b2;
        background: #fff;
      }

      &:focus-visible {
        border-color: #1686bb;
        outline: 3px solid #d8f0fb;
        outline-offset: 1px;
        background: #fff;
      }
    }
  }

  .field_with_errors {
    display: block;
    margin: 0;
    padding: 0;
    background: transparent;

    input {
      border-color: #c85b52;
      background: #fff8f7;
    }
  }
}

.auth_check {
  display: flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
  margin: 2px 0 20px;
  color: #526576;
  font-size: 14px;
  cursor: pointer;

  input[type='checkbox'] {
    width: 17px;
    height: 17px;
    margin: 0;
    accent-color: #1686bb;
    cursor: pointer;
  }
}

.auth_submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 45px;
  padding: 0 16px;
  box-sizing: border-box;
  border: 1px solid #1686bb;
  border-radius: 8px;
  background: #29b6f6;
  color: #102f40;
  font: 17px 'Acme';
  cursor: pointer;

  &:hover {
    border-color: #0874aa;
    background: #56c6f7;
  }

  &:focus-visible {
    outline: 3px solid #b8e4fa;
    outline-offset: 2px;
  }
}

.auth_registration_status {
  margin: -7px 0 21px;
  padding: 8px 11px;
  border: 1px solid #d8cf8b;
  border-radius: 8px;
  background: #fffbea;
  color: #5d5728;
  font-size: 13px;
  text-align: center;

  .open,
  .closed {
    font-weight: 700;
  }

  .open {
    color: #39732e;
  }

  .closed {
    color: #a13e36;
  }
}

.auth_errors {
  margin: 0 0 18px;
  padding: 12px 14px;
  border: 1px solid #dea7a2;
  border-radius: 8px;
  background: #fff3f2;
  color: #743d38;
  font-size: 13px;
  line-height: 1.45;

  strong {
    display: block;
    margin-bottom: 4px;
    font-family: 'Acme';
  }

  ul {
    margin: 0;
    padding-left: 19px;
  }
}

.auth_links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 14px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid #e0e6eb;

  a {
    color: #526b7d;
    font-size: 13px;
    line-height: 1.4;
    text-decoration: none;

    &:hover,
    &:focus-visible {
      color: #176b96;
      text-decoration: underline;
    }

    &:focus-visible {
      outline: 2px solid #b8e4fa;
      outline-offset: 2px;
    }
  }
}

@media (max-width: 600px) {
  .auth_page {
    align-items: flex-start;
    padding: 28px 14px;
  }

  .auth_card {
    padding: 24px 18px;
    border-radius: 12px;
  }

  .auth_header {
    margin-bottom: 21px;

    h1 {
      font-size: 26px;
    }
  }

  .auth_form .auth_field_grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .auth_links {
    flex-direction: column;
    align-items: center;
  }
}