:root {
  --color-primary: #173b45;
  --color-background: #f5f2ea;
  --color-surface: #ffffff;
  --color-weekend: #eef4f5;
  --color-week: #f2f5f5;
  --color-border: #cbd5d6;
  --color-button: #e5eaeb;
  --color-accent: #d99a3d;
  --color-text: #1b2528;
  --color-muted: #596a6e;
}
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
textarea {
  font: inherit;
}

a {
  color: inherit;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
/* Header och mobilnavigation */

header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  background-color: var(--color-primary);
  color: #ffffff;
}

.logo {
  display: block;
  padding: 0.75rem 1rem;
  text-decoration: none;
}

.logo img {
  width: 180px;
  height: auto;
}

.menu-button {
  margin-right: 1rem;
  padding: 0.4rem 0.6rem;
  border: 0;
  background-color: transparent;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

header nav {
  display: none;
  grid-column: 1 / -1;
  border-top: 1px solid var(--color-border);
}

header nav.open {
  display: block;
}

header nav a {
  display: block;
  padding: 0.75rem 1rem;
  text-align: center;
  text-decoration: none;
}

header nav a:hover,
header nav a:focus-visible {
  background-color: rgba(255, 255, 255, 0.1);
}

header nav a[aria-current="page"] {
  color: var(--color-accent);
  font-weight: bold;
}

/* Footer */

footer {
  padding: 2rem 1rem;
  background-color: var(--color-primary);
  color: #ffffff;
  text-align: center;
}

footer p {
  margin: 0 0 0.75rem;
}

footer ul {
  margin-bottom: 1.5rem;
}

footer li {
  margin-bottom: 0.5rem;
}

footer a {
  text-decoration: none;
}

footer a:hover,
footer a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Döljer knapptexterna i mobilversionen */
.button-text {
  display: none;
}

/* Sidans huvudinnehåll */

main {
  padding: 1rem;
}

/* Månadskalender */

.month-calendar {
  max-width: 1100px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  background-color: var(--color-surface);
}

/* Visar status och fel vid hämtning av kalenderdata */

.calendar-status {
  margin: 0;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  background-color: #fff4d6;
  color: #6b4700;
  text-align: center;
}

.calendar-status:empty {
  display: none;
}

.calendar-controls {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 1rem;
}

.calendar-controls h1 {
  margin: 0;
  font-size: 1.25rem;
  text-align: center;
}

.calendar-controls h1 a {
  color: inherit;
  text-decoration: none;
}

.calendar-controls h1 a:hover,
.calendar-controls h1 a:focus-visible,
.year-month h2 a:hover,
.year-month h2 a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

.calendar-controls button {
  display: flex;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background-color: var(--color-button);
  color: var(--color-text);
  cursor: pointer;
}

.calendar-controls button:hover,
.calendar-controls button:focus-visible {
  background-color: var(--color-accent);
}

.button-arrow {
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 1;
}

/* Kalenderrutnät */

.calendar-grid {
  display: grid;
  grid-template-columns: 2rem repeat(7, 1fr);
  border-top: 1px solid var(--color-border);
}

.weekday,
.week-number,
.calendar-day {
  display: grid;
  min-width: 0;
  min-height: 3rem;
  place-items: center;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.weekday-short {
  display: inline;
}

.weekday-full {
  display: none;
}

.weekday {
  min-height: 2.5rem;
  font-size: 0.8rem;
  font-weight: bold;
}

.week-label,
.week-number {
  background-color: var(--color-week);
  color: var(--color-muted);
  font-size: 0.75rem;
}

.weekend {
  background-color: var(--color-weekend);
}

.muted {
  color: var(--color-muted);
}

.today {
  background-color: var(--color-accent);
  color: var(--color-text);
  font-weight: bold;
}

/* Ger namnsdagen bättre kontrast när datumet är dagens datum */

.today .nameday-name {
  color: var(--color-text);
}

/* Markerar officiella röda dagar */

.public-holiday {
  background-color: #fbe9e7;
  color: #8f1d14;
  box-shadow: inset 0 0.25rem 0 #b42318;
  font-weight: bold;
}

/* Markerar högtidsaftnar som inte är officiella röda dagar */

.holiday-eve {
  background-color: #fff4d6;
  color: #6b4700;
  box-shadow: inset 0 0.25rem 0 var(--color-accent);
  font-weight: bold;
}

/* Döljer helgdagens namn i den mindre mobilvyn */

.holiday-name {
  display: none;
}

/* Introduktion */

.introduction {
  max-width: 700px;
  margin: 2rem auto;
  text-align: center;
}

.introduction h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.introduction p {
  margin-bottom: 0;
}

/* Årskalender */

.year-calendar {
  max-width: 1100px;
  margin: 0 auto;
}

.year-grid {
  display: grid;
  gap: 1rem;
}

.year-month {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  background-color: var(--color-surface);
}

.year-month h2 {
  margin: 0;
  color: var(--color-primary);
  font-size: 1.1rem;
  text-align: center;
}

.year-month h2 a {
  display: block;
  padding: 0.75rem;
  color: inherit;
  text-decoration: none;
}

.year-month-grid {
  display: grid;
  grid-template-columns: 1.75rem repeat(7, 1fr);
  border-top: 1px solid var(--color-border);
}

.year-weekday,
.year-week-number,
.year-day {
  display: grid;
  min-width: 0;
  min-height: 2rem;
  place-items: center;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.75rem;
}

.year-weekday {
  font-weight: bold;
}

.year-week-number {
  background-color: var(--color-week);
  color: var(--color-muted);
  font-size: 0.7rem;
}

.year-month-grid > :nth-child(8n) {
  border-right: 0;
}

/* Om Kalender Gratis */

.about h1 {
  margin-top: 0;
  color: var(--color-primary);
  font-size: 1.5rem;
  text-align: center;
}

.about p {
  max-width: 75ch;
  margin: 0 auto 1rem;
  text-align: left;
}

.about p:last-child {
  margin-bottom: 0;
}

/* Funktioner */

.features > h2 {
  text-align: center;
}

.feature-list {
  display: grid;
  gap: 1rem;
}

.feature-list article {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-top: 0.3rem solid var(--color-accent);
  border-radius: 0.75rem;
  background-color: var(--color-surface);
}

.feature-list h3 {
  margin-top: 0;
  color: var(--color-primary);
}

.feature-list p {
  margin-bottom: 0;
}

/* Kontaktsektion */

.contact {
  display: grid;
  gap: 1rem;
}

.contact-details,
#contact-form {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  background-color: var(--color-surface);
}

.contact h2 {
  margin-top: 0;
  color: var(--color-primary);
}

.contact-details a {
  color: var(--color-primary);
}

.contact-details a:hover,
.contact-details a:focus-visible {
  color: var(--color-accent);
}

/* Kontaktformulär */

#contact-form > div {
  margin-bottom: 1rem;
}

#contact-form label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: bold;
}

#contact-form input,
#contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 0.4rem;
  background-color: #ffffff;
  color: var(--color-text);
}

#contact-form textarea {
  resize: vertical;
}

#contact-form input:focus,
#contact-form textarea:focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

#contact-form input[aria-invalid="true"],
#contact-form textarea[aria-invalid="true"] {
  border-color: #b42318;
}

#contact-form button {
  padding: 0.75rem 1.5rem;
  border: 0;
  border-radius: 0.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: bold;
  cursor: pointer;
}

#contact-form button:hover,
#contact-form button:focus-visible {
  background-color: var(--color-accent);
  color: var(--color-text);
}

/* Reserverar plats för formulärets felmeddelanden */

.error-message {
  min-height: 1.25rem;
  margin: 0.25rem 0 0;
  color: #b42318;
  font-size: 0.875rem;
}

#form-feedback {
  margin-bottom: 0;
  font-weight: bold;
}

/* Förklaring till kalenderns färgmarkeringar */

.calendar-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
}

.calendar-legend li {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.legend-marker {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 0.2rem;
}

.public-marker {
  background-color: #b42318;
}

.eve-marker {
  background-color: var(--color-accent);
}

/* Döljer namnsdagarna i den mobilkalendern */

.nameday-name {
  display: none;
}

/* Om-sidans innehåll */

.about,
.features,
.data-source,
.contact {
  max-width: 1100px;
  margin: 0 auto 2rem;
}

.about,
.data-source {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  background-color: var(--color-surface);
}

.about h1,
.data-source h2 {
  margin-top: 0;
}

.about p,
.data-source p {
  max-width: 75ch;
}

.data-source {
  border-left: 0.4rem solid var(--color-accent);
}

.data-source a {
  color: var(--color-primary);
  font-weight: bold;
}

.data-source a:hover,
.data-source a:focus-visible {
  color: var(--color-accent);
  text-decoration-thickness: 0.15rem;
}

.source-note {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Desktop */

@media (min-width: 768px) {
  .menu-button {
    display: none;
  }

  header nav {
    display: block;
    grid-column: auto;
    border-top: 0;
  }

  header nav ul {
    display: flex;
  }

  /* Visar knapptexterna på större skärmar */
  .button-text {
    display: inline;
  }

  .calendar-controls button {
    gap: 0.5rem;
  }

  /* Visar fullständiga namn på veckodagar på desktop */

  .weekday-short {
    display: none;
  }

  .weekday-full {
    display: inline;
  }

  .calendar-grid {
    grid-template-columns: 4rem repeat(7, 1fr);
  }

  main {
    padding: 2rem;
  }

  /* Månadskalender */

  .calendar-controls {
    padding: 1.5rem;
  }

  .calendar-controls h1 {
    font-size: 1.75rem;
  }

  .calendar-day {
    min-height: 6rem;
    align-items: start;
    justify-items: end;
    padding: 0.75rem;
  }

  .weekday {
    min-height: 3rem;
    font-size: 0.9rem;
  }

  /* Årskalender */

  .year-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  /* Om- och kontaktsida */

  .feature-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  /* Visar helgdagarnas namn i större kalenderceller */

  .holiday-name {
    display: block;
    max-width: 100%;
    font-size: 0.7rem;
    font-weight: normal;
    line-height: 1.2;
    text-align: right;
  }

  /* Visar namnsdagar i månadskalenderns större datumrutor */

  .nameday-name {
    display: block;
    max-width: 100%;
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: normal;
    line-height: 1.2;
    text-align: right;
  }
}

/* Visar tre kolumner av årskalender på bredare skärmar  */

@media (min-width: 1100px) {
  .year-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}