:root {
  --blue-dark:   #1B3A6B;
  --blue-mid:    #2E6DAD;
  --blue-light:  #D6E4F0;
  --blue-xlight: #EFF6FC;
  --orange:      #C0580A;
  --orange-light:#FDEBD0;
  --red:         #C0392B;
  --green-dark:  #1E6E3A;
  --green-light: #D5F0DC;
  --grey-dark:   #555555;
  --grey-light:  #F5F5F5;
  --white:       #FFFFFF;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, system-ui, sans-serif;
  background: var(--grey-light);
  color: var(--grey-dark);
}

a {
  color: var(--blue-mid);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: 4px;
  padding: 0.5rem 1rem;
  font-size: 1rem;
}

button.primary {
  background: var(--blue-mid);
  color: var(--white);
}

button.primary:hover {
  background: var(--blue-dark);
}

button.secondary {
  background: var(--white);
  color: var(--blue-dark);
  border: 1px solid var(--blue-mid);
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  width: 100%;
}

/* Layout comú */
.app-header {
  background: var(--blue-dark);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-header h1 {
  font-size: 1.25rem;
  margin: 0;
}

.app-nav {
  display: flex;
  gap: 1rem;
}

.app-nav a {
  color: var(--white);
  text-decoration: none;
  font-weight: bold;
}

.app-main {
  padding: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

/* Login */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-dark);
}

.login-card {
  background: var(--white);
  border-radius: 8px;
  padding: 2.5rem;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.login-card h1 {
  color: var(--blue-dark);
  font-size: 1.3rem;
  text-align: center;
  margin-top: 0;
}

.login-card .field {
  margin-bottom: 1rem;
}

.login-card label {
  display: block;
  font-weight: bold;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.login-card button {
  width: 100%;
  margin-top: 0.5rem;
}

.error-msg {
  background: var(--orange-light);
  color: var(--orange);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* Estats i badges */
.badge-verd { color: var(--green-dark); }
.badge-taronja { color: var(--orange); }
.badge-vermell { color: var(--red); }

.fila-termini { background: var(--green-light); }
.fila-retras { background: var(--orange-light); }

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

.card {
  border-radius: 8px;
  padding: 1rem 1.25rem;
  color: var(--white);
}

.card .valor {
  font-size: 2rem;
  font-weight: bold;
  line-height: 1.1;
}

.card .etiqueta {
  font-size: 0.85rem;
  opacity: 0.9;
}

.card-blau     { background: var(--blue-mid); }
.card-verd     { background: var(--green-dark); }
.card-taronja  { background: var(--orange); }
.card-blaufosc { background: var(--blue-dark); }

/* Filtres */
.filtres-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 1rem;
}

.filtres-bar .field {
  min-width: 160px;
}

.filtres-bar label {
  display: block;
  font-size: 0.85rem;
  font-weight: bold;
  margin-bottom: 0.25rem;
}

/* Llistat agrupat per setmana */
.setmana-grup {
  margin-bottom: 1.5rem;
}

.setmana-grup h3 {
  background: var(--blue-light);
  color: var(--blue-dark);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
}

.taula-obres {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 4px;
  overflow: hidden;
}

.taula-obres th {
  text-align: left;
  font-size: 0.8rem;
  color: var(--grey-dark);
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid #ddd;
}

.taula-obres td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid #e0e0e0;
  vertical-align: top;
}

.taula-obres .accions {
  white-space: nowrap;
  text-align: right;
}

.taula-obres .accions button {
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
  margin-left: 0.25rem;
}

.setmana-tatxada {
  text-decoration: line-through;
  color: #999;
  margin-right: 0.35rem;
}

.setmana-actual-valor {
  font-weight: bold;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal-box {
  background: var(--white);
  border-radius: 8px;
  padding: 1.5rem;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-box.ample {
  max-width: 640px;
}

.modal-box h2 {
  margin-top: 0;
  color: var(--blue-dark);
  font-size: 1.15rem;
}

.modal-box .field {
  margin-bottom: 1rem;
}

.modal-box label {
  display: block;
  font-weight: bold;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
}

.historial-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid #eee;
  font-size: 0.9rem;
}

.historial-item:last-child {
  border-bottom: none;
}