:root {
  --bg: #f4f7f9;
  --panel: #ffffff;
  --text: #13222d;
  --muted: #607080;
  --line: #d8e1e7;
  --accent: #008fbd;
  --accent-strong: #04759b;
  --danger: #b8422d;
  --shadow: 0 18px 45px rgba(31, 52, 68, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Arial, sans-serif;
}

button,
input,
select {
  font: inherit;
}

.shell {
  width: min(980px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 48px 0;
}

.top {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 30px;
}

.top img {
  width: 142px;
  height: auto;
}

h1,
p {
  margin: 0;
}

h1 {
  font-size: 36px;
  line-height: 1.1;
}

p,
small {
  color: var(--muted);
}

.logout {
  margin-left: auto;
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

.logout:hover {
  border-color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.tool {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 132px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: inherit;
  text-decoration: none;
  box-shadow: var(--shadow);
}

.tool:hover {
  border-color: var(--accent);
}

.tool strong,
.tool small {
  grid-column: 2;
}

.tool strong {
  font-size: 20px;
}

.icon {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}

.empty {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
}

.login-body {
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-shell {
  width: min(920px, 100%);
}

.login-panel {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 360px);
  gap: 42px;
  align-items: center;
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.login-logo {
  width: 155px;
  margin-bottom: 24px;
}

.login-panel h1 {
  margin: 0 0 10px;
  font-size: 38px;
}

.login-form {
  display: grid;
  gap: 14px;
}

.login-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-weight: 700;
}

.login-form input {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
}

.login-form button {
  min-height: 42px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
}

.login-form button:hover {
  background: var(--accent-strong);
}

.form-message {
  min-height: 20px;
  color: var(--danger);
}

.hidden {
  display: none !important;
}

.admin-panel {
  margin-top: 26px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-head h2,
.section-head p {
  margin: 0;
}

.primary,
.secondary,
.danger {
  min-height: 36px;
  padding: 8px 13px;
  border-radius: 6px;
  cursor: pointer;
}

.primary {
  border: 0;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}

.primary:hover {
  background: var(--accent-strong);
}

.secondary {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
}

.danger {
  border: 1px solid color-mix(in srgb, var(--danger) 42%, var(--line));
  background: var(--panel);
  color: var(--danger);
}

.user-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}

.user-form label,
.user-form fieldset {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-weight: 700;
}

.user-form input,
.user-form select {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  background: var(--panel);
  color: var(--text);
}

.user-form fieldset {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.user-form legend {
  padding: 0 6px;
}

.check {
  display: flex !important;
  align-items: center;
  gap: 8px !important;
}

.check input {
  min-height: auto;
}

.form-actions {
  display: flex;
  align-items: end;
  gap: 10px;
}

.user-list {
  display: grid;
  gap: 10px;
}

.user-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(180px, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.user-main {
  display: grid;
  gap: 4px;
}

.user-main span,
.user-access {
  color: var(--muted);
}

.row-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

@media (max-width: 620px) {
  .top {
    align-items: flex-start;
    flex-direction: column;
  }

  .logout {
    margin-left: 0;
  }

  .login-panel {
    grid-template-columns: 1fr;
    padding: 30px;
  }

  .section-head,
  .user-row {
    align-items: stretch;
    grid-template-columns: 1fr;
  }

  .user-form {
    grid-template-columns: 1fr;
  }

  .row-actions {
    justify-content: flex-start;
  }
}