.kwp-app {
  max-width: 1180px;
  margin: 28px auto;
  padding: 0 16px;
  color: #172033;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.kwp-login {
  max-width: 520px;
  margin: 48px auto;
}

.kwp-announcement {
  margin-bottom: 22px;
  padding: 16px 18px;
  border-left: 4px solid #2271b1;
  background: #f2f7fb;
  line-height: 1.5;
}

.kwp-login h1,
.kwp-head h1 {
  margin: 0 0 12px;
  font-size: 28px;
}

.kwp-login form {
  display: flex;
  gap: 10px;
}

.kwp-app input,
.kwp-app textarea,
.kwp-app select {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 1px solid #c9d3df;
  border-radius: 6px;
  font: inherit;
  background: #fff;
}

.kwp-app textarea {
  min-height: 110px;
  resize: vertical;
}

.kwp-app button {
  min-height: 38px;
  padding: 8px 14px;
  border: 0;
  border-radius: 6px;
  background: #2271b1;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.kwp-app button:disabled {
  background: #98a2b3;
  cursor: not-allowed;
}

.kwp-shell {
  background: #fff;
}

.kwp-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e2e8f0;
}

.kwp-head p {
  margin: 0;
  color: #667085;
}

.kwp-tabs {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 14px;
  overflow-x: auto;
}

.kwp-tabs button {
  background: #eef2f6;
  color: #1f2937;
}

.kwp-tabs button.active {
  background: #2271b1;
  color: #fff;
}

.kwp-tabs button.students-tab {
  background: #e7f6ec;
  color: #17663a;
}

.kwp-tabs button.students-tab.active {
  background: #18864b;
  color: #fff;
}

.kwp-tabs button.import-tab {
  background: #fff3df;
  color: #8a4b00;
}

.kwp-tabs button.import-tab.active {
  background: #d66b00;
  color: #fff;
}

.kwp-panel {
  border: 1px solid #d9e0e8;
  overflow-x: auto;
}

.kwp-panel table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.kwp-panel th,
.kwp-panel td {
  padding: 11px 12px;
  border-bottom: 1px solid #e5eaf0;
  text-align: left;
  vertical-align: top;
}

.kwp-panel th {
  background: #f7f9fb;
  font-weight: 700;
}

.kwp-panel tr.is-taken td {
  background: #f1f3f5;
  color: #687386;
}

.kwp-row-actions {
  display: flex;
  gap: 8px;
}

.kwp-row-actions button,
.kwp-add.ghost {
  background: #516070;
}

.kwp-add {
  margin: 14px 0 14px 12px;
}

.kwp-notice {
  margin: 14px 0;
  padding: 12px 14px;
  border-radius: 6px;
  background: #ecfdf3;
  border: 1px solid #abefc6;
}

.kwp-notice.error {
  background: #fff2f1;
  border-color: #fecdca;
}

.kwp-import {
  padding: 16px;
}

.kwp-import h2 {
  margin-top: 0;
}

.kwp-modal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(15, 23, 42, .45);
}

.kwp-modal > div {
  width: min(560px, 100%);
  padding: 20px;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 55px rgba(15, 23, 42, .22);
}

.kwp-modal label {
  display: block;
  margin: 12px 0;
  font-weight: 650;
}

.kwp-modal input,
.kwp-modal textarea,
.kwp-modal select {
  display: block;
  width: 100%;
  min-height: 42px;
  margin-top: 6px;
  border-radius: 6px;
}

.kwp-modal textarea {
  min-height: 120px;
}

.kwp-modal footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

@media (max-width: 680px) {
  .kwp-login form,
  .kwp-head {
    display: block;
  }

  .kwp-login button,
  .kwp-head button {
    width: 100%;
    margin-top: 10px;
  }
}