/* Tema — vidi dokumentacija/tehnoloski-stack.md za obrazloženje. Bootstrap 5.3 CSS
   varijable prepisane ovdje kaskadiraju u sve .btn-primary/.text-primary/link boje
   na cijeloj aplikaciji, ne samo na početnoj stranici. */
:root,
[data-bs-theme="light"] {
  --bs-primary: #1d4ed8;
  --bs-primary-rgb: 29, 78, 216;
  --bs-primary-text-emphasis: #1e3a8a;
  --bs-primary-bg-subtle: #dbe6fd;
  --bs-primary-border-subtle: #a9c1f7;
  --bs-link-color: #1d4ed8;
  --bs-link-color-rgb: 29, 78, 216;
  --bs-link-hover-color: #1e3a8a;
  --bs-link-hover-color-rgb: 30, 58, 138;
  --bs-body-bg: #f8fafc;
  --bs-body-color: #1e293b;
  --bs-body-font-family:
    system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;

  /* Dodatni brand tokeni, van Bootstrap seta, korišteni u izoliranim .cshtml.css datotekama */
  --brand-accent: #059669;
  --brand-border: #e2e8f0;
  --brand-radius: 1rem;
}

html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow:
    0 0 0 0.1rem #fff,
    0 0 0 0.25rem var(--bs-primary);
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.btn-primary {
  --bs-btn-border-radius: 0.6rem;
}

.btn-lg {
  --bs-btn-border-radius: 0.6rem;
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* ===== Zajedničke klase za korisničke stranice (CRUD popisi/forme) =====
   Cilj: iste vizualne osnove kao naslovnica (zaobljeni rubovi, meke sjene,
   brand tokeni) primijenjene kroz čiste Bootstrap klase koje stranice već
   koriste, bez potrebe za redizajnom svake stranice zasebno. */

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--brand-border);
}

.page-header h1,
.page-header .h3 {
  margin-bottom: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bs-body-color);
}

.page-header .text-muted {
  font-size: 0.925rem;
}

/* Karta za forme (Create/Edit) i ostali samostalni sadržaj */
.card-surface {
  background: #fff;
  border: 1px solid var(--brand-border);
  border-radius: var(--brand-radius);
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 8px 24px -14px rgba(15, 23, 42, 0.12);
  padding: clamp(1.25rem, 2vw, 2rem);
}

/* Karta specifično za tablice — bez paddinga, sadržaj se sam zaobljuje uz rub kartice */
.table-surface {
  background: #fff;
  border: 1px solid var(--brand-border);
  border-radius: var(--brand-radius);
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 8px 24px -14px rgba(15, 23, 42, 0.12);
  overflow: hidden;
}

.table-surface .table {
  margin-bottom: 0;
}

.table-surface .table thead th {
  background: #f8fafc;
  color: var(--bs-secondary-color, #64748b);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  font-weight: 700;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--brand-border);
  white-space: nowrap;
}

.table-surface .table tbody td {
  padding: 0.85rem 1.25rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--brand-border);
  color: var(--bs-body-color);
}

.table-surface .table tbody tr:last-child td {
  border-bottom: none;
}

.table-surface .table-hover tbody tr:hover td {
  background-color: rgba(var(--bs-primary-rgb), 0.045);
}

.table-surface .table td,
.table-surface .table th {
  border-right: none;
  border-left: none;
}

/* Forme — usklađeno zaobljenje s gumbima i karticama */
.form-control,
.form-select {
  border-radius: 0.6rem;
  border-color: var(--brand-border);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--bs-primary);
}

.form-label {
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--bs-body-color);
  margin-bottom: 0.4rem;
}

/* Obavijesti — mekši, zaobljeniji izgled u skladu s ostatkom sučelja */
.alert {
  border-radius: 0.75rem;
  border-width: 1px;
  padding: 0.9rem 1.1rem;
  font-size: 0.925rem;
}

.alert-danger {
  background-color: #fef2f2;
  color: #991b1b;
  border-color: #fecaca;
}

.alert-success {
  background-color: #f0fdf4;
  color: #166534;
  border-color: #bbf7d0;
}

/* ===== Zaglavlje (_Layout.cshtml) — suptilno "frosted glass" ljepilo uz
   naslovnicu, sticky pri scrollu, bez izmjene funkcionalnosti navigacije. */
.app-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--brand-border);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}

.app-header__nav {
  background: transparent !important;
  border-top: 1px solid rgba(226, 232, 240, 0.6);
}

.app-header__nav .navbar-nav .nav-link {
  font-weight: 500;
  color: var(--bs-body-color);
  border-radius: 0.5rem;
  padding: 0.5rem 0.9rem;
  margin: 0.25rem 0.15rem;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.app-header__nav .navbar-nav .nav-link:hover,
.app-header__nav .navbar-nav .nav-link:focus-visible {
  background-color: rgba(var(--bs-primary-rgb), 0.08);
  color: var(--bs-primary);
}

.app-header__nav .navbar-nav .nav-link.active {
  background-color: rgba(var(--bs-primary-rgb), 0.12);
  color: var(--bs-primary-text-emphasis);
  font-weight: 700;
}

.app-header__nav .nav-group-start {
  margin-left: 0.45rem;
  padding-left: 0.45rem;
  border-left: 1px solid var(--brand-border);
}

.app-header__nav .dropdown-menu {
  border-color: var(--brand-border);
  border-radius: 0.6rem;
  box-shadow: 0 0.5rem 1.25rem rgba(15, 23, 42, 0.12);
  padding: 0.4rem;
}

.app-header__nav .dropdown-item {
  border-radius: 0.4rem;
  padding: 0.5rem 0.75rem;
}

.app-header__nav .dropdown-item:hover,
.app-header__nav .dropdown-item:focus-visible,
.app-header__nav .dropdown-item.active {
  background-color: rgba(var(--bs-primary-rgb), 0.1);
  color: var(--bs-primary-text-emphasis);
}

@media (max-width: 575.98px) {
  .app-header__nav .nav-group-start {
    margin-top: 0.35rem;
    margin-left: 0;
    padding-top: 0.35rem;
    padding-left: 0;
    border-top: 1px solid var(--brand-border);
    border-left: 0;
  }

  .app-header__nav .dropdown-menu {
    border: 0;
    box-shadow: none;
    padding: 0 0 0 0.75rem;
    background: transparent;
  }
}

.raspored-grid-wrap {
  scrollbar-color: #94a3b8 #f1f5f9;
}

.raspored-grid .dan-stupac {
  position: sticky;
  left: 0;
  z-index: 1;
}

.raspored-grid thead .dan-stupac {
  z-index: 2;
}

.raspored-grid .celija-grupa,
.raspored-grid .celija-predmet,
.raspored-grid .celija-meta {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.raspored-grid .sat-vrijeme,
.raspored-grid .celija-meta {
  color: #475569;
}

/* ===== "Sada / Slijedi" kartice uživo prikaza (MojRaspored, i buduće slično) —
   isti glassmorphism motiv kao .live-preview na naslovnici, kao globalna klasa
   jer je CSS izolacija po-stranična pa se scoped klase s naslovnice ne mogu
   izravno ponovno koristiti ovdje. */
.live-slot {
  height: 100%;
  border-radius: var(--brand-radius);
  padding: 1.1rem 1.25rem;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--brand-border);
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 8px 24px -14px rgba(15, 23, 42, 0.12);
}

.live-slot__label {
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--bs-secondary-color, #64748b);
  margin-bottom: 0.5rem;
}

.live-slot--now {
  border-color: rgba(5, 150, 105, 0.35);
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 8px 24px -14px rgba(5, 150, 105, 0.25);
}

.live-slot--now .live-slot__label {
  color: var(--brand-accent);
}

.live-slot--next {
  border-color: rgba(var(--bs-primary-rgb), 0.3);
}

.live-slot--next .live-slot__label {
  color: var(--bs-primary);
}

/* Skrolabilna lista checkboxova s pretragom (npr. odabir predmeta kod nastavnika) —
   ostaje upotrebljiva i kad popis naraste na 30-40+ stavki. */
.checkbox-list {
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--brand-border);
  border-radius: 0.6rem;
  padding: 0.65rem 0.85rem;
}

.checkbox-list .form-check {
  margin-bottom: 0.35rem;
}

.checkbox-list .form-check:last-child {
  margin-bottom: 0;
}