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

:root {
  --bg: #eef3f8;
  --surface: #ffffff;
  --surface-soft: #f7fafc;
  --surface-blue: #edf5ff;
  --text: #172033;
  --muted: #64748b;
  --line: #d9e2ec;
  --primary: #075985;
  --primary-dark: #0c4a6e;
  --primary-soft: #e0f2fe;
  --danger: #b42318;
  --danger-soft: #fee4e2;
  --success: #067647;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  --radius: 8px;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 28px;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(14, 165, 233, 0.12), transparent 32rem),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: var(--primary);
  text-decoration: none;
}

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

h1,
h2,
h3 {
  margin: 0 0 18px;
  color: var(--text);
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.8rem, 3vw, 2.35rem);
}

h2 {
  font-size: clamp(1.45rem, 2.4vw, 1.9rem);
}

h3 {
  font-size: 1.12rem;
}

p {
  margin: 0 0 10px;
}

.container,
.uebersicht-container,
.form-container,
.auswertung-container,
.merge-container,
.login-container {
  width: min(100%, var(--page-width, 980px));
  margin: 0 auto;
  padding: clamp(20px, 4vw, 34px);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(217, 226, 236, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.login-container {
  --page-width: 390px;
  margin-top: min(14vh, 90px);
}

.form-container,
.merge-container {
  --page-width: 720px;
}

.auswertung-container {
  --page-width: 1160px;
}

.page-header,
.nav-links,
.actions,
.toolbar,
.filter-form,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-header {
  justify-content: space-between;
  margin-bottom: 22px;
}

.page-title {
  margin-bottom: 0;
}

.nav-links {
  justify-content: center;
  margin: 0 0 22px;
}

.year-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.year-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0.45rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font-weight: 800;
}

.year-tab small {
  min-width: 1.6rem;
  padding: 0.12rem 0.36rem;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.76rem;
  text-align: center;
}

.year-tab:hover,
.year-tab.is-active {
  border-color: #38bdf8;
  background: var(--primary);
  color: #fff;
}

.year-tab:hover small,
.year-tab.is-active small {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.button,
.back-link,
.back-button,
.filter-link,
button,
input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.58rem 0.95rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--primary);
  color: #fff;
  font: inherit;
  font-weight: 700;
  line-height: 1.1;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.button:hover,
.back-link:hover,
.back-button:hover,
.filter-link:hover,
button:hover,
input[type="submit"]:hover {
  background: var(--primary-dark);
  color: #fff;
}

.button:active,
button:active {
  transform: translateY(1px);
}

.button.secondary,
.back-link,
.back-button,
.filter-link {
  background: var(--primary-soft);
  border-color: #bae6fd;
  color: var(--primary-dark);
}

.button.secondary:hover,
.back-link:hover,
.back-button:hover,
.filter-link:hover {
  background: #bae6fd;
  color: var(--primary-dark);
}

.button.danger,
button.danger {
  background: var(--danger);
}

.button.danger:hover,
button.danger:hover {
  background: #912018;
}

.button.success {
  background: var(--success);
}

.button.success:hover {
  background: #05603a;
}

form.inline,
form.delete-member {
  display: inline-flex;
  margin: 0;
}

label {
  display: block;
  margin-bottom: 0.42rem;
  color: #334155;
  font-weight: 700;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="datetime-local"],
select,
textarea {
  width: 100%;
  min-height: 42px;
  padding: 0.62rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font: inherit;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

textarea {
  min-height: 96px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #38bdf8;
  outline: none;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.16);
}

.form-group {
  margin-bottom: 16px;
}

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

.add-member,
#addUserForm {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: end;
  margin-top: 24px;
  padding: 18px;
  background: var(--surface-blue);
  border: 1px solid #cfe8ff;
  border-radius: var(--radius);
}

.add-member h2,
#addUserForm h3 {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

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

th,
td {
  padding: 0.82rem 0.9rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f1f7fd;
  color: #334155;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

tbody tr:hover {
  background: #f8fbff;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.einsatz-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.einsatz-list li {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.einsatz-list li:hover {
  border-color: #93c5fd;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.07);
  transform: translateY(-1px);
}

.einsatz-list a {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  padding: 14px 16px;
  color: var(--text);
}

.einsatz-title {
  font-weight: 800;
}

.einsatz-meta {
  color: var(--muted);
  font-size: 0.94rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.22rem 0.52rem;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 800;
}

.detail-list {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
}

.detail-list div {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.detail-list dt {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
}

.detail-list dd {
  margin: 4px 0 0;
}

.person-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.person-list li {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  font-weight: 700;
}

.teilnehmer-section {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.teilnehmer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 8px;
}

.teilnehmer-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--text);
  font-weight: 600;
}

.filter-form {
  align-items: end;
  margin-bottom: 18px;
}

.container > .actions,
.auswertung-container > .actions {
  justify-content: flex-end;
  margin-bottom: 16px;
}

.form-actions {
  margin-top: 22px;
}

.filter-group {
  flex: 1 1 160px;
}

.search-form {
  display: flex;
  gap: 10px;
  align-items: end;
  justify-content: center;
  margin-bottom: 20px;
}

.empty-state {
  padding: 22px;
  border: 1px dashed #cbd5e1;
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--muted);
  text-align: center;
}

.login-container form {
  display: grid;
  gap: 12px;
}

.login-title {
  margin-bottom: 20px;
  text-align: center;
}

.login-container button,
.submit-button {
  width: 100%;
}

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

@media (max-width: 760px) {
  body {
    padding: 14px;
  }

  .form-grid,
  .add-member,
  #addUserForm,
  .einsatz-list a {
    grid-template-columns: 1fr;
  }

  .page-header,
  .year-nav,
  .search-form,
  .filter-form,
  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button,
  .back-link,
  .back-button,
  .filter-link,
  button,
  input[type="submit"] {
    width: 100%;
  }
}