:root {
    --brand: #1b4f72;
    --brand-light: #eaf2f8;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, sans-serif;
    color: #222;
    background: #f5f6f8;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--brand);
    color: #fff;
    padding: 0 24px;
    height: 56px;
}

.app-brand { font-weight: 600; font-size: 16px; }

.app-nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 20px;
    font-size: 14px;
    opacity: 0.9;
}

.app-nav { flex: 1; }
.app-nav a:hover { opacity: 1; text-decoration: underline; }

.app-user { display: flex; align-items: center; gap: 12px; }
.app-user .u-name { color: #fff; font-size: 13px; opacity: .9; }
.logout-form { margin: 0; }
.logout-form button { background: rgba(255,255,255,.15); color: #fff; border: 1px solid rgba(255,255,255,.3); border-radius: 5px; padding: 5px 12px; font-size: 13px; cursor: pointer; }
.logout-form button:hover { background: rgba(255,255,255,.25); }

.app-content {
    max-width: 1400px;
    margin: 24px auto;
    padding: 0 24px;
}

.app-footer {
    text-align: center;
    color: #888;
    font-size: 12px;
    padding: 16px;
}

.page-title { font-size: 20px; font-weight: 600; margin: 0 0 16px; }

.cards { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }

.card {
    background: #fff;
    border: 1px solid #e3e6ea;
    border-radius: 8px;
    padding: 16px 20px;
    min-width: 200px;
}

.card .num { font-size: 28px; font-weight: 700; color: var(--brand); }
.card .lbl { font-size: 13px; color: #666; }

.import-tabela { width: 100%; border-collapse: collapse; background: #fff; font-size: 13px; }
.import-tabela th, .import-tabela td { border: 1px solid #e3e6ea; padding: 6px 10px; text-align: left; }
.import-tabela thead th { background: var(--brand-light); }
.import-tabela tr.red-greska { background: #fdecea; }

.detalj-head { display: flex; align-items: center; justify-content: space-between; }
.alert-ok { background: #e8f5e9; border: 1px solid #a5d6a7; color: #1e6b2f; padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; }
.alert-err { background: #fdecea; border: 1px solid #f5b7b1; color: #922; padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; }
.proj-form { background: #fff; border: 1px solid #e3e6ea; border-radius: 8px; padding: 20px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.grid2 .span2 { grid-column: span 2; }
.grid2 .fld label { display: block; font-size: 13px; color: #555; margin-bottom: 4px; }
.form-actions { margin-top: 18px; }
.del-form { margin-top: 12px; }
.err { color: #c0392b; font-size: 12px; }
.muted { color: #888; font-style: italic; margin-top: 16px; }