/* =======================================================
   Modern Responsive Design – Eishockeykurs-System
   Enthält Styles für:
   - Header & Navigation
   - Kursübersicht & Tabellen
   - Anmeldeformular
   - Login-Seite
   ======================================================= */

/* ======= Farbvariablen & Basis ======= */
:root {
  --primary: #0055aa;
  --secondary: #003d73;
  --accent: #ffcc00;
  --danger: #df0000;
  --background: #f5f8fc;
  --text-dark: #222;
  --text-light: #fff;
  --radius: 10px;
  --shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  --transition: all 0.25s ease-in-out;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: "Inter", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--background);
  color: var(--text-dark);
  line-height: 1.6;
  min-height: 100vh;
}

/* ======= Header Navigation ======= */
.headerlist {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: var(--text-light);
  font-weight: 600;
  font-size: 1.2rem;
  box-shadow: var(--shadow);
}

.headerlist li {
  margin: 0;
}

.headerlist a {
  background-color: var(--accent);
  color: #000;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: var(--transition);
  font-weight: 500;
}

.headerlist a:hover {
  background-color: var(--text-light);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ======= Kursübersicht Tabelle ======= */
table.data_table {
  width: 95%;
  margin: 2rem auto;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.data_table th {
  background-color: var(--primary);
  color: var(--text-light);
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.data_table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid #e0e0e0;
}

.data_table tr:nth-child(even) {
  background-color: #f2f6fc;
}

.data_table tr:hover {
  background-color: #e9f2ff;
}

/* ======= Formular (Anmeldung) ======= */
form {
  width: 95%;
  max-width: 700px;
  margin: 2rem auto;
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

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

.input-table th {
  font-size: 1.3rem;
  color: var(--secondary);
  text-align: left;
  padding-bottom: 1rem;
}

.input-table td {
  padding: 0.6rem 0;
}

.input-table input[type="text"],
.input-table input[type="password"],
.input-table input[type="date"],
.input-table input[type="time"],
.input-table input[type="email"] {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius);
  border: 1px solid #ccc;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.input-table input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 85, 170, 0.2);
  outline: none;
}

/* ======= Buttons & Links ======= */
.submitbutton, 
.submitbutton-delete {
  display: inline-block;
  width: auto;
  padding: 0.8rem 1.5rem;
  background: var(--primary);
  color: var(--text-light);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-right: 1rem;
}

.submitbutton:hover {
  background: var(--accent);
  color: #000;
  transform: translateY(-2px);
}

.submitbutton-delete:hover {
background: var(--danger);
  color: #fff;
  transform: translateY(-2px);
}

.input-table a {
  display: inline-block;
  text-decoration: none;
  color: var(--primary);
  margin-top: 1rem;
  transition: var(--transition);
}

.input-table a:hover {
  color: var(--accent);
}


/* ======= Animationen ======= */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ======= Responsive Layout ======= */
@media (max-width: 768px) {
  .headerlist {
    flex-direction: column;
    text-align: center;
    gap: 0.6rem;
  }

  table.kurse {
    font-size: 0.9rem;
  }

  form {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  table.kurse,
  .kurse thead,
  .kurse tbody,
  .kurse th,
  .kurse td,
  .kurse tr {
    display: block;
    width: 100%;
  }

  .kurse tr {
    margin-bottom: 1rem;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 0.8rem;
  }

  .kurse td {
    border: none;
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
  }

  .kurse td::before {
    content: attr(name);
    font-weight: 600;
    color: var(--secondary);
  }

  .tlogin {
    padding: 1.5rem;
  }

  .tlogin th {
    font-size: 1.3rem;
  }

 
}