:root {
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-border: #e2e6ec;
  --color-text: #1c2230;
  --color-text-muted: #6b7385;
  --color-primary: #1e8e5a;
  --color-primary-dark: #146a42;
  --color-primary-light: #e6f4ec;
  --color-danger: #d64545;
  --color-danger-light: #fbeaea;
  --gradient-header: linear-gradient(120deg, #146a42 0%, #1e8e5a 55%, #2fb673 100%);
  --radius: 10px;
  --shadow: 0 2px 10px rgba(20, 30, 50, 0.06);
  --shadow-lg: 0 12px 32px rgba(20, 30, 50, 0.16);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #10151d;
    --color-surface: #1a212c;
    --color-border: #2a3341;
    --color-text: #e8ecf2;
    --color-text-muted: #9aa5b5;
    --color-primary: #2fb673;
    --color-primary-dark: #24925c;
    --color-primary-light: #16332479;
    --color-danger: #e57373;
    --color-danger-light: #3a2323;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ---------- Login ---------- */
#login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-header);
  padding: 20px;
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-card h1 { margin: 0 0 8px; font-size: 1.8rem; }
.login-card .subtitle { color: var(--color-text-muted); margin: 0 0 28px; }

#login-form { display: flex; flex-direction: column; gap: 14px; text-align: left; }
#login-form label { font-size: 0.85rem; font-weight: 600; color: var(--color-text-muted); }

.message {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.9rem;
}
.message.error { background: var(--color-danger-light); color: var(--color-danger); }

/* ---------- Inputs / buttons ---------- */
input[type="text"], input[type="email"], input[type="number"], select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.95rem;
}
input:focus, select:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }

button { font-family: inherit; cursor: pointer; }

.btn-primary, #login-form button[type="submit"] {
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.15s;
}
.btn-primary:hover, #login-form button[type="submit"]:hover { background: var(--color-primary-dark); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
}
.btn-ghost:hover { background: var(--color-primary-light); }

.btn-icon {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 1rem;
  padding: 4px 8px;
  border-radius: 6px;
}
.btn-icon:hover { background: var(--color-border); }
.btn-icon.danger:hover { background: var(--color-danger-light); color: var(--color-danger); }

/* ---------- App shell ---------- */
.app-header {
  background: var(--gradient-header);
  color: #fff;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.app-header .brand { font-size: 1.3rem; font-weight: 700; }
.user-info { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; }
.app-header .btn-ghost { border-color: rgba(255,255,255,0.5); color: #fff; }
.app-header .btn-ghost:hover { background: rgba(255,255,255,0.15); }

.tabs {
  display: flex;
  gap: 4px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 24px;
  overflow-x: auto;
}
.tab-btn {
  background: none;
  border: none;
  padding: 14px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

main { max-width: 1100px; margin: 0 auto; padding: 24px; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.panel-header h2 { margin: 0; }

.hint { color: var(--color-text-muted); font-size: 0.9rem; margin-top: -8px; margin-bottom: 20px; }
.empty-hint { color: var(--color-text-muted); text-align: center; padding: 30px; }

/* ---------- Players table ---------- */
.table-wrapper {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
}
#players-table { width: 100%; border-collapse: collapse; min-width: 560px; }
#players-table th, #players-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}
#players-table th { color: var(--color-text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
#players-table tbody tr:last-child td { border-bottom: none; }
#players-table tbody tr.inactive-row { opacity: 0.5; }

/* ---------- Toggle switch (aktiv/inaktiv) ---------- */
.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
}
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-border);
  border-radius: 999px;
  transition: background 0.15s;
}
.switch .slider::before {
  content: "";
  position: absolute;
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.15s;
}
.switch input:checked + .slider { background: var(--color-primary); }
.switch input:checked + .slider::before { transform: translateX(18px); }

.position-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.score-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--color-border);
  font-size: 0.8rem;
  font-weight: 600;
  margin-left: 6px;
}

.attr-summary { color: var(--color-text-muted); font-size: 0.82rem; }

/* ---------- Weights (sliders) ---------- */
.weights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.weight-item {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
}
.weight-item .weight-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.weight-item .weight-value { color: var(--color-primary); }
input[type="range"] { width: 100%; accent-color: var(--color-primary); }

/* ---------- Attribute grid (player form) ---------- */
.attributes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px 16px;
  margin: 16px 0;
}
.attributes-grid .form-row label { font-size: 0.82rem; }

.form-row { margin-bottom: 14px; text-align: left; }
.form-row label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--color-text-muted); }

/* ---------- Teams generation ---------- */
.teams-controls {
  display: flex;
  align-items: end;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  background: var(--color-surface);
  padding: 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.teams-controls label { font-size: 0.85rem; font-weight: 600; color: var(--color-text-muted); display: flex; flex-direction: column; gap: 6px; }
.teams-controls input[type="number"] { width: 90px; }

.active-players-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
  margin-bottom: 24px;
}
.active-player-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.9rem;
}
.active-player-chip input { width: auto; }

.teams-result {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.team-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.team-card h3 {
  margin: 0 0 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.team-total { color: var(--color-primary); font-size: 1rem; }
.team-card ul { list-style: none; margin: 12px 0 0; padding: 0; }
.team-card li {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.team-card li:last-child { border-bottom: none; }
.team-card li .pos { color: var(--color-text-muted); font-size: 0.78rem; }

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 25, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 28px;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-content h2 { margin-top: 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 10px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text);
  color: var(--color-bg);
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  z-index: 200;
  box-shadow: var(--shadow-lg);
}
.toast.error { background: var(--color-danger); color: #fff; }

@media (max-width: 640px) {
  main { padding: 16px; }
  .app-header { padding: 14px 16px; }
  .modal-content { padding: 20px; }
}

/* ---------- Squad bar ---------- */
.squad-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--color-surface);
  padding: 10px 24px;
  border-bottom: 1px solid var(--color-border);
}
.squad-bar-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}
.squad-bar-label select { width: auto; min-width: 160px; }

.tab-btn.hidden { display: none; }

.panel-header-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.hint.small { font-size: 0.82rem; margin-top: 6px; margin-bottom: 10px; }

/* ---------- Team generation: mode switches ---------- */
.mode-switch {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  font-weight: 600;
  font-size: 0.95rem;
}
.mode-switch label { display: flex; align-items: center; gap: 6px; }

.teams-controls-block.hidden { display: none; }

.radio-inline, .checkbox-inline {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.inline-number {
  width: 64px;
  display: inline-block;
  padding: 4px 8px;
}

.group-mode-option {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  margin-bottom: 14px;
}
.group-mode-option .sub-controls {
  margin-top: 10px;
  padding-left: 26px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

#groups-mode-controls #generate-groups-btn { margin-top: 4px; }