/* Simex Distribution Hub - administrace
   Vlastní styl bez externího frameworku: méně závislostí a přísnější CSP. */

:root {
    --bg: #f4f5f7;
    --surface: #ffffff;
    --border: #dfe3e8;
    --text: #1c2430;
    --muted: #667085;
    --primary: #1f4e8c;
    --primary-dark: #163a68;
    --ok: #1a7f4b;
    --warn: #b45309;
    --danger: #b91c1c;
    --sidebar: #16233a;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    color: var(--text);
    background: var(--bg);
}

h1 { font-size: 1.6rem; margin: 0 0 1rem; }
h2 { font-size: 1.2rem; margin: 1.5rem 0 .75rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 .5rem; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

code, .mono { font-family: "Cascadia Mono", Consolas, monospace; font-size: .85em; }
.small { font-size: .85em; }
.muted { color: var(--muted); }
.required { color: var(--danger); }

/* --- Rozvržení --- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 250px;
    flex: 0 0 250px;
    background: var(--sidebar);
    color: #dbe3ef;
    display: flex;
    flex-direction: column;
    padding: 1.25rem 0;
}

.brand { display: flex; gap: .75rem; align-items: center; padding: 0 1.25rem 1.5rem; }
.brand-mark {
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    padding: .4rem .6rem;
    border-radius: .375rem;
    letter-spacing: .05em;
}
.brand-name { font-size: .85rem; line-height: 1.2; color: #fff; }

.nav-menu { list-style: none; margin: 0; padding: 0; flex: 1; }
.nav-menu a {
    display: block;
    padding: .55rem 1.25rem;
    color: #b9c5d8;
    border-left: 3px solid transparent;
}
.nav-menu a:hover { background: rgba(255,255,255,.06); color: #fff; text-decoration: none; }
.nav-menu a.active { background: rgba(255,255,255,.1); color: #fff; border-left-color: var(--primary); }

.user-box { padding: 1rem 1.25rem 0; border-top: 1px solid rgba(255,255,255,.1); font-size: .85rem; }
.user-name { color: #fff; margin-bottom: .35rem; }

.content-area { flex: 1; min-width: 0; }
main { padding: 1.75rem 2rem; max-width: 1400px; }

.page-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.subtitle { display: flex; gap: .5rem; align-items: center; margin-bottom: 1rem; }
.page-message { padding: 4rem 2rem; text-align: center; }

/* --- Banner nad obsahem --- */
.banner { padding: .7rem 2rem; display: flex; gap: 1rem; align-items: center; }
.banner-stop { background: var(--danger); color: #fff; }
.banner-stop a { color: #fff; text-decoration: underline; }

/* --- Karty a dlaždice --- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: .5rem;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}
.card-danger { border-color: var(--danger); border-width: 2px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: .875rem; margin-bottom: 1.5rem; }
.tile { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--muted); border-radius: .5rem; padding: .875rem 1rem; }
.tile-label { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.tile-value { font-size: 1.5rem; font-weight: 600; margin-top: .2rem; }
.tile-ok { border-left-color: var(--ok); }
.tile-warn { border-left-color: var(--warn); }
.tile-danger { border-left-color: var(--danger); }

/* --- Tabulky --- */
.grid { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: .5rem; overflow: hidden; }
.grid.narrow { max-width: 520px; }
.grid th, .grid td { padding: .55rem .75rem; text-align: left; border-bottom: 1px solid var(--border); }
.grid th { background: #eef1f5; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; }
.grid tbody tr:last-child td { border-bottom: 0; }
.grid tbody tr:hover { background: #f8fafc; }
.grid .num { text-align: right; font-variant-numeric: tabular-nums; }
.grid .total td { border-top: 2px solid var(--border); background: #f8fafc; }
.row-stale { background: #fef3c7; }
.row-error { background: #fef2f2; }
.error-text { color: var(--danger); max-width: 22rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- Formuláře --- */
label { display: block; font-size: .85rem; font-weight: 600; margin: .75rem 0 .25rem; }
label.checkbox { display: flex; gap: .5rem; align-items: center; font-weight: 400; margin: .35rem 0; }

.input {
    width: 100%;
    padding: .5rem .65rem;
    border: 1px solid var(--border);
    border-radius: .375rem;
    font: inherit;
    background: #fff;
}
.input:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.input.inline { width: auto; display: inline-block; }
.input.code { font-family: "Cascadia Mono", Consolas, monospace; font-size: .85em; }
textarea.input { resize: vertical; }

fieldset { border: 1px solid var(--border); border-radius: .375rem; padding: .75rem 1rem; margin: 1rem 0; }
legend { font-size: .85rem; font-weight: 600; padding: 0 .35rem; }

.filters { display: flex; gap: .75rem; align-items: flex-end; margin-bottom: 1rem; flex-wrap: wrap; }
.filters .input { width: auto; min-width: 16rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.actions { display: flex; gap: .6rem; align-items: center; margin-top: 1rem; flex-wrap: wrap; }

/* --- Tlačítka --- */
.btn {
    padding: .5rem 1rem;
    border: 1px solid var(--border);
    border-radius: .375rem;
    background: #fff;
    font: inherit;
    cursor: pointer;
}
.btn:hover:not(:disabled) { background: #f1f5f9; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-sm { padding: .3rem .7rem; font-size: .85rem; }
.btn-block { width: 100%; margin-top: 1rem; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-warning { background: var(--warn); border-color: var(--warn); color: #fff; }

.link-button { background: none; border: 0; color: var(--primary); cursor: pointer; padding: 0; font: inherit; text-decoration: underline; }

/* --- Záložky --- */
.tabs { display: flex; gap: .25rem; border-bottom: 2px solid var(--border); margin-bottom: 1.25rem; }
.tab { background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -2px; padding: .6rem 1rem; cursor: pointer; font: inherit; color: var(--muted); }
.tab-active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* --- Odznaky --- */
.badge { display: inline-block; padding: .12rem .5rem; border-radius: 1rem; font-size: .78rem; font-weight: 600; }
.badge-ok { background: #dcfce7; color: #14532d; }
.badge-info { background: #dbeafe; color: #1e3a8a; }
.badge-warn { background: #fef3c7; color: #78350f; }
.badge-danger { background: #fee2e2; color: #7f1d1d; }
.badge-neutral { background: #eef1f5; color: var(--muted); }

/* --- Hlášky --- */
.alert { padding: .75rem 1rem; border-radius: .375rem; margin-bottom: 1rem; border-left: 4px solid; }
.alert ul { margin: .5rem 0 0; padding-left: 1.25rem; }
.alert-info { background: #eff6ff; border-color: var(--primary); }
.alert-success { background: #f0fdf4; border-color: var(--ok); }
.alert-warning { background: #fffbeb; border-color: var(--warn); }
.alert-error { background: #fef2f2; border-color: var(--danger); }

.pager { display: flex; gap: 1rem; align-items: center; margin-top: 1rem; }

/* --- Přihlášení --- */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--sidebar); }
.login-card { background: var(--surface); padding: 2rem; border-radius: .625rem; width: 100%; max-width: 24rem; }
.login-brand { display: flex; gap: .75rem; align-items: center; margin-bottom: 1.5rem; }
.login-brand h1 { font-size: 1.1rem; margin: 0; }

/* --- Chybová lišta Blazoru --- */
#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fef3c7;
    border-top: 1px solid var(--warn);
    padding: .7rem 1.25rem;
    z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; float: right; }

@media (max-width: 900px) {
    .layout { flex-direction: column; }
    .sidebar { width: 100%; flex: none; }
    .grid-2 { grid-template-columns: 1fr; }
    main { padding: 1.25rem; }
}