:root {
    --color-bg: #f4f3f1;
    --color-surface: #ffffff;
    --color-border: #e2e0dc;
    --color-text: #232529;
    --color-text-muted: #6b7076;
    --color-primary: #2b2f36;
    --color-primary-hover: #14161a;
    --color-accent: #b6802f;
    --color-danger: #b3392b;
    --color-danger-bg: #fbeae7;
    --color-success: #2e7d4f;
    --color-success-bg: #e8f5ee;

    --color-zeleno: #2e7d4f;
    --color-zuto: #b8860b;
    --color-crveno: #c0392b;
    --color-sivo: #8a8f98;

    --radius: 8px;
    --gap: 16px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.45;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .03em; }

a { color: var(--color-primary); }

/* ---------- Nav ---------- */
.topbar {
    background: var(--color-primary);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.brand { color: #fff; font-weight: 700; text-decoration: none; font-size: 1.1rem; margin-right: auto; }
.nav { display: flex; gap: 14px; flex-wrap: wrap; }
.nav a { color: #d7d9dc; text-decoration: none; font-size: .92rem; padding: 6px 2px; }
.nav a:hover { color: #fff; }
.logout-form { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.user-chip { color: #b9bcc1; font-size: .85rem; }
.btn-link { background: none; border: none; color: #d7d9dc; cursor: pointer; font-size: .85rem; padding: 6px 0; }

/* ---------- Layout ---------- */
.container { max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; }

/* ---------- Alerts ---------- */
.alert { padding: 12px 14px; border-radius: var(--radius); margin-bottom: 16px; font-size: .95rem; }
.alert-success { background: var(--color-success-bg); color: var(--color-success); }
.alert-error { background: var(--color-danger-bg); color: var(--color-danger); }

/* ---------- Cards / grid ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 24px; }
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 14px 16px;
}
.card .num { font-size: 1.6rem; font-weight: 700; }
.card .label { color: var(--color-text-muted); font-size: .85rem; }

.panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px; margin-bottom: 20px; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; gap: 10px; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: .95rem;
    cursor: pointer;
    text-decoration: none;
}
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-accent { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.btn-danger { background: var(--color-danger-bg); border-color: var(--color-danger); color: var(--color-danger); }
.btn-sm { min-height: 36px; padding: 0 12px; font-size: .85rem; }
.btn-block { width: 100%; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }

/* ---------- Forms ---------- */
form label { display: block; margin-bottom: 14px; font-size: .9rem; color: var(--color-text-muted); }
input, select, textarea {
    display: block;
    width: 100%;
    min-height: 44px;
    margin-top: 4px;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-text);
    background: #fff;
}
textarea { min-height: 90px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 16px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; min-height: auto; margin: 0; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
th { color: var(--color-text-muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; }
tr:last-child td { border-bottom: none; }

/* ---------- Badges (statusi/rokovi boje iz plana) ---------- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; color: #fff; }
.badge-zeleno { background: var(--color-zeleno); }
.badge-zuto { background: var(--color-zuto); }
.badge-crveno { background: var(--color-crveno); }
.badge-sivo { background: var(--color-sivo); }

/* ---------- Tabs (server-side, bez JS - sekcija 6.2) ---------- */
.tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--color-border); flex-wrap: wrap; }
.tabs a {
    padding: 10px 14px;
    text-decoration: none;
    color: var(--color-text-muted);
    border-bottom: 2px solid transparent;
    font-size: .92rem;
}
.tabs a.active { color: var(--color-primary); border-bottom-color: var(--color-accent); font-weight: 600; }

.summary-row { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 4px; }
.summary-row .item .num { font-size: 1.3rem; font-weight: 700; }
.summary-row .item .label { color: var(--color-text-muted); font-size: .82rem; }

.job-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 6px; }
.job-header .meta { color: var(--color-text-muted); font-size: .9rem; }

.empty-state { color: var(--color-text-muted); padding: 20px 0; text-align: center; }

/* ---------- Login ---------- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--color-primary); }
.login-card { background: #fff; padding: 32px 28px; border-radius: var(--radius); width: 100%; max-width: 360px; margin: 16px; }
.login-card h1 { text-align: center; margin-bottom: 20px; }

/* ---------- Small helpers ---------- */
.text-muted { color: var(--color-text-muted); }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

@media (max-width: 560px) {
    .topbar-inner { gap: 10px; }
    .nav { gap: 10px; }
    .container { padding: 14px 12px 60px; }
}