/* osnovna podešavanja */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--pozadina);
    color: var(--tekst-glavni);
}

/* layout */
.raspored {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* sidebar */
.sidebar {
    width: 220px;
    background: var(--sb-pozadina);
    display: flex;
    flex-direction: column;
    transition: width 0.28s cubic-bezier(.4,0,.2,1);
    overflow: hidden;
    flex-shrink: 0;
}

.sidebar.skupljen {
    width: 60px;
}

/* vrh sidebara — logo zona */
.sidebar-vrh {
    display: flex;
    align-items: center;
    height: 72px;
    padding: 0 12px;
    gap: 10px;
    border-bottom: 0.5px solid rgba(255,255,255,0.07);
    flex-shrink: 0;
}

/* hamburger dugme */
.hamburger {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--sb-tekst-aktivan);
    padding: 6px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    flex-shrink: 0;
}

.hamburger:hover {
    background: var(--sb-hover);
}

/* logo zona */
.logo-zona {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
    opacity: 1;
    transition: opacity 0.28s, width 0.28s;
    width: 160px;
}

.sidebar.skupljen .logo-zona {
    opacity: 0;
    width: 0;
    pointer-events: none;
}

.logo-naziv {
    color: var(--sb-tekst-aktivan);
    font-weight: 500;
    font-size: 15px;
    white-space: nowrap;
}

.logo-podnazlov {
    color: var(--sb-tekst);
    font-size: 11px;
    white-space: nowrap;
}

/* navigacija */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px 0;
    scrollbar-width: none;
}

.sidebar-nav::-webkit-scrollbar {
    display: none;
}

.nav-oznaka {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sb-tekst);
    padding: 12px 16px 4px;
    white-space: nowrap;
    opacity: 1;
    transition: opacity 0.28s;
}

.sidebar.skupljen .nav-oznaka {
    opacity: 0;
}

.nav-stavka {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 16px;
    cursor: pointer;
    color: var(--sb-tekst);
    white-space: nowrap;
    position: relative;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.nav-stavka:hover {
    background: var(--sb-hover);
    color: var(--sb-tekst-aktivan);
}

.nav-stavka.aktivan {
    background: var(--sb-aktivan);
    color: var(--sb-tekst-aktivan);
}

.nav-stavka.aktivan::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 3px;
    background: var(--sb-akcent);
    border-radius: 0 3px 3px 0;
}

.nav-stavka svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.nav-stavka span {
    font-size: 14px;
    opacity: 1;
    transition: opacity 0.28s;
}

.sidebar.skupljen .nav-stavka span {
    opacity: 0;
    pointer-events: none;
}

.nav-separator {
    height: 0.5px;
    background: rgba(255,255,255,0.07);
    margin: 8px 12px;
}

/* tooltip kada je sidebar skupljen */
.nav-tooltip {
    position: absolute;
    left: 68px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.85);
    color: #fff;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 6px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 100;
}

.sidebar:not(.skupljen) .nav-tooltip {
    display: none;
}

.nav-stavka:hover .nav-tooltip {
    opacity: 1;
}

/* dno sidebara */
.sidebar-dno {
    padding: 8px 0;
    border-top: 0.5px solid rgba(255,255,255,0.07);
}

/* glavni sadržaj */
.glavni-sadrzaj {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* topbar */
.topbar {
    height: 56px;
    background: var(--topbar);
    border-bottom: 0.5px solid var(--ivica);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 12px;
    flex-shrink: 0;
}

.topbar-naslov {
    font-weight: 500;
    font-size: 15px;
    color: var(--tekst-glavni);
    flex: 1;
}

/* sadržaj stranice */
.sadrzaj {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* kartice */
.kartica {
    background: var(--kartica);
    border: 0.5px solid var(--ivica);
    border-radius: 12px;
    padding: 16px;
    transition: transform 0.25s cubic-bezier(.4,0,.2,1), box-shadow 0.25s;
}

.kartica:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

/* input polja — konzistentna za sve teme */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    background: var(--kartica) !important;
    color: var(--tekst-glavni) !important;
    border: 0.5px solid var(--ivica) !important;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    border-color: var(--sb-akcent) !important;
}

/* poruka o uspehu — konzistentna za sve teme */
.poruka-uspeh {
    background: var(--kartica);
    border: 0.5px solid var(--sb-akcent);
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--sb-akcent);
}