/* === Base Colors (Dark Theme) === */
:root {
  --bg-color: #121212;
  --text-color: #f0f0f0;
  --accent-color: #cb4232;
  --muted-color: #999;
  --card-bg: #1e1e1e;
  --border-color: #333;
  --hover-bg: #2a2a2a;
}

/* === Global Reset & Body === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-size: 16px;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  padding: 0;
  margin: 0;
}

main {
  position: relative;
  width: 98%;
  margin: 0 auto;
  flex: 1;
  padding: 2rem;
}

.wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.nav-container {
  width: 98%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-left: auto;
}

nav.open {
  max-height: 500px;
}

nav a {
  color: var(--accent-color);
  margin-right: 1.5rem;
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  text-decoration: underline;
}

.nav-logo {
  height: 60px;
  margin-right: 10px;
  vertical-align: middle;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: #fff;
}

.brand-text {
  font-size: 20px;
  font-weight: bold;
}

header,
footer {
  background-color: var(--card-bg);
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border-color);
}

footer {
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted-color);
}

h1,
h2,
h3,
h4 {
  margin-bottom: 1rem;
  color: var(--accent-color);
}

a {
  color: white;
  text-decoration: none;
  transition: color 0.3s ease-in-out;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--card-bg);
  margin-bottom: 2rem;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

th,
td {
  padding: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
  vertical-align: middle;
}

th {
  background-color: #2c2c2c;
  font-weight: bold;
}

tr:nth-child(even) {
  background-color: #181818;
}

tr:hover {
  background-color: var(--hover-bg);
}

.session-list {
  width: fit-content; 
  min-width: 600px;
}

/* === Lists === */
ul {
  list-style: none;
  padding-left: 0;
  margin-top: 1rem;
  width: 100%;
}

li {
  background-color: var(--card-bg);
  padding: 1rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  max-width: 100%;
  box-sizing: border-box;
  word-break: break-word;
}

/* === Inputs === */
input[type="text"] {
  font-size: 16px;
  background-color: #1c1c1c;
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  color: var(--text-color);
  border-radius: 4px;
  width: 100%;
  max-width: 400px;
  margin-bottom: 1rem;
}

button {
  cursor: pointer;
  padding: 0.4em 1em;
  font-size: 16px;
  margin: 1rem 0;
  background-color: #1a1a1a;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 4px;
}

button:hover {
  background-color: var(--accent-color);
  color: #000;
}

select {
  font-size: 16px;
  padding: 0.4rem 0.7rem;
  margin: 1rem 0;
  background-color: #1a1a1a;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 4px;
}

/* === Mobile Navigation === */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
}

.menu-toggle span {
  height: 3px;
  width: 25px;
  background-color: white;
  margin: 4px 0;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.tab-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}
.tab-button {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  cursor: pointer;
  color: var(--text-color);
  border-radius: 5px;
}
.tab-button.active {
  background-color: var(--accent-color);
  color: black;
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

.flashes {
  list-style: none;
  margin-bottom: 1rem;
}

.flashes .success {
  color: limegreen;
}

.driver-table {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.5s ease;
  margin-top: 0;
}

.driver-table.visible {
  opacity: 1;
  max-height: none;   /* 🔥 unbegrenzt */
  margin-top: 1rem;
}

.lap-chart {
  background-color: #1f1e1e;
  max-height: 800px;
  margin: 20px 0;
}

.show-chart-btn {
  margin-top: 1rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: white;
  font-size: 16px;
  border-radius: 5px;
  cursor: pointer;
}

.show-chart-btn:hover {
  background-color: var(--accent-color);
}

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(18, 18, 18, 0.95); /* leicht transparent */
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 50;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 6px solid var(--border-color);
  border-top: 6px solid var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}

/* === Responsive Tables === */
@media (max-width: 768px) {
  table,
  thead,
  tbody,
  th,
  td,
  tr {
    display: block;
  }

  thead {
    display: none;
  }

  tr {
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 1rem;
    background-color: var(--card-bg);
  }

  td {
    display: block;
    position: relative;
    padding-left: 50%;
    text-align: left;
    border: none;
    border-bottom: 1px solid var(--border-color);
  }

  td::before {
    content: attr(data-label);
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-weight: bold;
    color: var(--muted-color);
    white-space: nowrap;
  }

  td:last-child {
    border-bottom: none;
  }

  .session-list {
    width: 100%;
    min-width: auto;
  }
  
}

@media (max-width: 1200px) {
  .nav-container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    width: 95%;
    margin: 0 auto;
    position: relative;
  }

  .menu-toggle {
    display: flex;
  }

  nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--card-bg);
    padding: 1rem 2rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    gap: 0;
  }

  nav.open {
    display: flex;
  }

  nav a {
    margin: 0;
    padding: 0.5rem 0;
    border-top: 1px solid var(--border-color);
  }

  .nav-logo {
    height: 50px;
  }
}