:root {
  --bg: #f7f4fa;
  --card: #ffffff;
  --text: #241a2b;
  --muted: #6f6675;
  --primary: #662483;
  --primary-dark: #4c1a61;
  --primary-soft: #f5edf9;
  --primary-border: #e2d2ec;
  --border: #e4deea;
  --error-bg: #fdecec;
  --error-text: #b42318;
  --success-bg: #e9f7ef;
  --success-text: #17663a;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: var(--primary);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.brand {
  text-align: center;
  margin: 4px 0 22px;
}

.brand img {
  height: clamp(110px, 20vw, 150px);
  width: auto;
  display: inline-block;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 1px 3px rgba(76, 26, 97, 0.06);
}

.login-card {
  max-width: 460px;
  margin: 0 auto;
}

h1 {
  font-size: 22px;
  margin: 0 0 6px;
}

h2 {
  font-size: 16px;
  margin: 26px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.muted {
  color: var(--muted);
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.stats {
  display: flex;
  gap: 24px;
  margin: 16px 0;
  color: var(--muted);
}

.toolbar {
  display: flex;
  gap: 10px;
  margin: 8px 0 4px;
  flex-wrap: wrap;
}

.form label {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 13px;
}

.form input[type="text"],
.form input[type="email"],
.form input[type="password"],
.form input[type="date"],
.form select {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}

.form input:focus,
.form select:focus {
  outline: 2px solid rgba(102, 36, 131, 0.22);
  border-color: var(--primary);
}

.form > div {
  margin-bottom: 14px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.grid > div {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: #eef1f6;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.3;
}

.btn:hover {
  filter: brightness(0.97);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: #fff;
  border-color: var(--border);
}

.btn-small {
  padding: 4px 10px;
  font-size: 12.5px;
}

.btn-block {
  width: 100%;
  margin-top: 6px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--muted);
  text-decoration: underline;
  padding: 6px 0;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 22px;
  align-items: center;
}

.logout-form {
  margin-top: 14px;
  text-align: right;
}

.alert {
  padding: 12px 14px;
  border-radius: 8px;
  margin: 14px 0;
  font-size: 14px;
}

.alert ul {
  margin: 6px 0 0;
  padding-left: 20px;
}

.alert-error {
  background: var(--error-bg);
  color: var(--error-text);
}

.alert-success {
  background: var(--success-bg);
  color: var(--success-text);
}

.readonly {
  margin-top: 26px;
  background: #f8fafc;
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 4px 16px 12px;
}

.readonly dl {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 4px 12px;
  margin: 8px 0 0;
}

.readonly dt {
  color: var(--muted);
  font-size: 13.5px;
}

.readonly dd {
  margin: 0;
  font-size: 14px;
}

.searchbar {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.searchbar input {
  flex: 1;
  min-width: 220px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
}

.searchbar select {
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}

.head-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.footer {
  text-align: center;
  padding: 24px 16px 32px;
  font-size: 13px;
}

.footer a {
  color: var(--muted);
}

.notice {
  background: var(--primary-soft);
  border: 1px solid var(--primary-border);
  color: var(--primary-dark);
  border-radius: 8px;
  padding: 10px 14px;
  margin: 14px 0;
  font-size: 14px;
}

.deadline-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  background: #f8fafc;
}

.link-card {
  border: 1px solid var(--primary-border);
  border-radius: 8px;
  padding: 14px 16px;
  background: var(--primary-soft);
}

.link-card p {
  margin: 0 0 10px;
}

.link-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.link-row code {
  flex: 1;
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--primary-border);
  border-radius: 8px;
  padding: 9px 11px;
  font-size: 13px;
  word-break: break-all;
}

.link-example {
  margin: 10px 0 0 !important;
  font-size: 13px;
}

.link-example code {
  background: #fff;
  border: 1px solid var(--primary-border);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 12.5px;
  word-break: break-all;
}

.link-notice {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.link-notice .link-label {
  font-weight: 600;
}

.link-notice code {
  flex: 1;
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--primary-border);
  border-radius: 6px;
  padding: 6px 9px;
  font-size: 12.5px;
  word-break: break-all;
}

.deadline-status {
  margin: 0 0 12px;
}

.deadline-actions {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.deadline-form {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.deadline-form label {
  font-size: 13px;
  font-weight: 600;
  margin: 0;
}

.deadline-form input[type="datetime-local"] {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-yes {
  background: var(--success-bg);
  color: var(--success-text);
}

.badge-no {
  background: var(--error-bg);
  color: var(--error-text);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

th,
td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: #f8fafc;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
}

.nowrap {
  white-space: nowrap;
}

.old {
  color: var(--muted);
  text-decoration: line-through;
}

.pagination {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--muted);
}