/* ===== Yleisasetukset ===== */
html, body {
  background-image: url('./media/bg_chatgpt_waves.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  height: 100%;
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: black;
  color: #ffffff;
}

/* ===== Wrapper ===== */
#wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  box-sizing: border-box;
 /* max-width: 1320px; */
  margin: 0 auto;
  padding: 0 15px;
}

/* ===== Main ===== */
main {
  flex: 1;
  padding: 0.5rem;
  width: 100%;
  box-sizing: border-box;
}

/* ===== Navigaatio ===== */
.navbar {
  background-color: #4b3b70 !important;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.navbar .nav-link,
.navbar-brand,
.dropdown-item {
  color: #ffffff !important;
}

.navbar .nav-link:hover,
.dropdown-item:hover {
  background-color: #6c59a1 !important;
}

/* ===== Dropdown ===== */
.dropdown-menu {
  background-color: #5e3b99;
  border: none;
}

.dropdown-menu .dropdown-item {
  color: #ffffff;
}

.dropdown-menu .dropdown-item:hover,
.dropdown-menu .dropdown-item:focus {
  background-color: #5e3b99;
  color: #ffffff;
}

/* ===== Hakukenttä ja kontrollit ===== */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.controls input,
.controls select,
.controls button {
  min-width: 120px;
  flex: 1;
}

/* ===== Info-toggle-nappi ===== */
/* Desktop: info section always visible */
/* Mobile: collapsible compact link */

.info-collapse-link {
  display: inline-block;
  color: #d1c4f1;
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.4rem 0.6rem;
  background: rgba(94, 59, 153, 0.3);
  border-radius: 6px;
  transition: all 0.3s ease;
}

.info-collapse-link:hover {
  background: rgba(94, 59, 153, 0.5);
  color: #ffffff;
}

.info-collapse-link .collapse-arrow {
  font-size: 0.7rem;
  margin-left: 0.3rem;
  transition: transform 0.3s ease;
}

.info-collapse-link[aria-expanded="true"] .collapse-arrow {
  transform: rotate(180deg);
}

.mobile-info-box {
  font-size: 0.9rem;
  line-height: 1.4;
}

/* ===== Taulukko ===== */
.table-wrapper {
  max-height: 66vh;
  overflow-y: auto;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.table th {
  background-color: #5e3b99;
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 2;
}

.table td {
  background-color: #f8f9fa;
  color: #212529;
  vertical-align: top;
}

/* ===== Info- ja tervetuloa-boksit ===== */
.welcome-section,
.info-section {
  background-color: rgba(30, 30, 60, 0.75);
  color: #ffffff;
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

/* ===== Footer ===== */
footer {
  background-color: #4b3b70;
  color: #ffffff;
  width: 100%;
  margin-top: auto;
  margin-left: auto;
  margin-right: auto;
}

footer a {
  color: #d1c4f1;
}

footer a:hover {
  color: #ffffff;
}

/* ===== Responsiivisuus ===== */
@media (max-width: 576px) {

  #wrapper {
    padding: 0;
  } /*Tilat tehty flexboxilla -> ei tarpeellinen*/ 

  /* Info section hidden on mobile - accessible via navigation */


  .controls {
    flex-direction: column;
    align-items: stretch;
  }

  main {
    padding: 0.75rem;
  }

  .card-container {
    padding: 0.15rem;
    max-height: 62vh;
    gap: 0.4rem;
  }

  .freq-box {
    font-size: 0.9rem;
  }

  .freq-box-header {
    padding: 0.65rem 0.75rem;
  }

  .freq-box-band {
    font-size: 0.9rem;
  }

  .freq-box-service {
    font-size: 0.75rem;
  }

  .freq-box-details {
    padding: 0.6rem 0.75rem;
  }

  .table-wrapper {
    width: 98%;
    margin: 0 auto;
  }

  .table th,
  .table td {
    font-size: 0.875rem;
    padding: 0.5rem;
  }

  .welcome-section,
  .info-section {
    padding: 1rem;
  }
}

@media (min-width: 768px) {
    #wrapper {
    padding: 5px;
  } /*Tilat tehty flexboxilla -> ei tarpeellinen*/

  .controls input {
    max-width: 200px;
  }

  .controls select {
    max-width: 90px;
  }

  .controls button {
    flex: unset;
  }

  main {
    padding: 2rem 3rem;
  }
}

@media (min-width: 992px) {
  main {
    padding-left: 4rem;
    padding-right: 4rem;
  }
}

/* ===== Mobile Accordion View (Bootstrap) ===== */
.card-container {
  max-height: 65vh;
  overflow-y: auto;
  padding: 0.5rem;
  margin-bottom: 1rem;
}

.accordion-button:not(.collapsed) {
  background: linear-gradient(135deg, #6c4aaa 0%, #563f80 100%) !important;
  color: #ffffff !important;
}

.accordion-button:focus {
  border-color: #d1c4f1;
  box-shadow: 0 0 0 0.2rem rgba(94, 59, 153, 0.25);
}

.accordion-button::after {
  filter: brightness(0) invert(1);
}

.accordion-item {
  background-color: rgba(94, 59, 153, 0.50);
  border-left: 3px solid #5e3b99 !important;
}

.accordion-body {
  background-color: rgba(248, 249, 250, 0.50;
}

.accordion-body table th {
  width: 40%;
  font-weight: 600;
  padding: 0.4rem 0.5rem;
}

.accordion-body table td {
  width: 60%;
  padding: 0.4rem 0.5rem;
  word-break: break-word;
}


/* ===== WCAG 2.1 Focus styles ===== */
a:focus,
button:focus,
input:focus,
select:focus,
.nav-link:focus,
.dropdown-item:focus {
  outline: 3px solid #d1c4f1;
  outline-offset: 2px;
}

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #5e3b99;
  color: #ffffff;
  padding: 8px 16px;
  z-index: 1000;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}