/* Trainerportal – Aisasport Theme (Schwarz #171717, Rot #f70303), Inter */
:root {
  --bg-page: #f5f5f4;
  --bg-card: #fafaf9;
  --bg-input: #fafaf9;
  --border: #e7e5e4;
  --text: #171717;
  --text-muted: #525252;
  --accent: #f70303;
  --accent-hover: #d90202;
  --danger: #b91c1c;
  --danger-hover: #991b1b;
  --shadow: 0 1px 3px rgba(23, 23, 23, 0.08);
  --radius: 8px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg-page);
  min-height: 100vh;
}

h1, h2, h3 {
  margin: 0 0 0.5rem;
  font-weight: 600;
  color: var(--text);
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* Layout */
.app-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.app-header .brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.app-header .brand-logo {
  display: block;
  height: 40px;
  width: 40px;
  object-fit: contain;
  border-radius: 6px;
}

.app-header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.app-header .nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1rem;
}

.app-header .nav a {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius);
}
.app-header .nav a:hover { color: var(--text); background: var(--border); }
.app-header .nav a.active { color: var(--accent); font-weight: 500; }

.app-header .user-area {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.app-header .user-area .user-menu {
  position: relative;
  display: inline-block;
}

.app-header .user-area .user-menu-btn {
  font-size: 0.875rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
}
.app-header .user-area .user-menu-btn:hover { color: var(--text); background: var(--border); }

.app-header .user-area .user-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 0.25rem;
  min-width: 160px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 100;
}
.app-header .user-area .user-menu.open .user-dropdown { display: block; }

.app-header .user-area .user-dropdown a,
.app-header .user-area .user-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
}
.app-header .user-area .user-dropdown a:hover,
.app-header .user-area .user-dropdown button:hover { background: var(--border); }

.user-info {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fafaf9;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--border);
  color: var(--text);
}
.btn-secondary:hover { background: #d6d3d1; }

.btn-danger {
  background: var(--danger);
  color: #fafaf9;
}
.btn-danger:hover { background: var(--danger-hover); }

.btn-icon {
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
}
.btn-icon:hover {
  background: var(--border);
  color: var(--text);
}
.btn-icon svg { width: 1.1rem; height: 1.1rem; }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.25rem;
}

/* Login */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.login-card .login-logo {
  display: block;
  width: 120px;
  height: 120px;
  margin: 0 auto 1.25rem;
  object-fit: contain;
  border-radius: 10px;
}

.login-card h1 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.login-card .login-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-family: var(--font);
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-input);
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(247, 3, 3, 0.25);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.error-message {
  font-size: 0.875rem;
  color: var(--danger);
  margin-top: 0.5rem;
}

.login-card .btn {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
}

/* Dashboard stats */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.stat-card .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.stat-card .value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

/* Table */
.table-wrap {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-page);
}

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

.actions-cell {
  white-space: nowrap;
}

.actions-cell .btn-icon {
  margin-left: 0.25rem;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  border-radius: 4px;
  background: var(--border);
  color: var(--text-muted);
}

.badge-done {
  background: rgba(247, 3, 3, 0.12);
  color: var(--accent);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 25, 23, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
}

.modal {
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.modal h2 {
  margin-bottom: 1.25rem;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

/* Bestätigungs-Popup (Löschen etc.) */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 25, 23, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1001;
}
.confirm-modal {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.5rem;
  max-width: 360px;
  width: 100%;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}
.confirm-modal p { margin: 0 0 1.25rem; }
.confirm-modal .confirm-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

/* Nachrichten-Popup (ersetzt alert()) */
.message-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 25, 23, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1001;
}
.message-modal {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.5rem;
  max-width: 360px;
  width: 100%;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}
.message-modal p { margin: 0 0 1.25rem; }
.message-modal .message-actions {
  display: flex;
  justify-content: flex-end;
}

.hidden { display: none !important; }

/* Logout */
.btn-logout {
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: transparent;
}
.btn-logout:hover { color: var(--text); background: var(--border); }

@media (min-width: 640px) {
  h1 { font-size: 1.75rem; }
  .dashboard-stats { grid-template-columns: repeat(4, 1fr); }
}