/* Structure and components. Reads only tokens.css variables - no literal
   colors here, so a theme is a token override (see theme.css). */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); font-size: 15px; line-height: 1.5; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
h1, h2, h3, .brand, .stat .n { font-family: var(--font-display); letter-spacing: -.02em; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--live); outline-offset: 2px; box-shadow: 0 0 0 4px var(--ring); }
::selection { background: var(--tint); }

/* ---- Top bar ---- */
.topbar { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; row-gap: .5rem; background: var(--topbar-bg); color: var(--topbar-ink); padding: .65rem 1.5rem; border-bottom: 1px solid var(--topbar-line); }
.topbar .brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--topbar-ink); font-weight: 700; font-size: 1.05rem; }
.topbar .brand:hover { text-decoration: none; }
.topbar .brand img { width: 26px; height: 26px; display: block; }
.topbar nav { display: flex; gap: .25rem; flex-wrap: wrap; }
.topbar nav a { color: var(--topbar-muted); padding: .35rem .65rem; border-radius: var(--radius-sm); font-size: .92rem; font-weight: 500; transition: background .15s, color .15s; }
.topbar nav a:hover { color: var(--topbar-ink); background: rgba(255, 249, 242, .08); text-decoration: none; }
.topbar nav a.on { color: var(--topbar-ink); background: rgba(255, 249, 242, .1); box-shadow: inset 0 -2px 0 var(--brand); }
.topbar .sysnav { border-left: 1px solid var(--topbar-line); padding-left: 1.25rem; }
.topbar .user { margin-left: auto; color: var(--topbar-muted); font-size: .9rem; display: flex; align-items: center; gap: .6rem; }
.topbar .user a { color: var(--topbar-ink); opacity: .85; }
.topbar .user a:hover { opacity: 1; }

.theme-toggle { background: transparent; border: 1px solid var(--topbar-line); color: var(--topbar-ink); width: 2rem; height: 2rem; border-radius: 50%; cursor: pointer; font-size: 1rem; line-height: 1; padding: 0; display: inline-flex; align-items: center; justify-content: center; }
.theme-toggle:hover { background: rgba(255, 249, 242, .1); }
.theme-toggle .i-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .i-sun { display: inline; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: none; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .i-sun { display: inline; }
    :root:not([data-theme="light"]) .theme-toggle .i-moon { display: none; }
}
.theme-toggle-floating { position: fixed; bottom: 1rem; right: 1rem; color: var(--ink); border-color: var(--line-strong); background: var(--card); }
.theme-toggle-floating:hover { background: var(--surface-2); }

.role { font-size: .68rem; font-weight: 600; letter-spacing: .04em; padding: .12rem .45rem; border-radius: 999px; text-transform: uppercase; color: #fff; }
.role-admin { background: var(--role-admin); }
.role-editor { background: var(--role-editor); }
.role-viewer { background: var(--role-viewer); }

.container { max-width: 1200px; margin: 1.75rem auto; padding: 0 1.5rem; }
.foot { text-align: center; color: var(--muted); padding: 2rem; font-size: .85rem; }

/* ---- Cards, headings, stats ---- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.35rem; margin-bottom: 1.25rem; box-shadow: var(--shadow); }
h1 { font-size: 1.6rem; font-weight: 700; margin: 0 0 1.1rem; }
h2 { font-size: 1.15rem; font-weight: 600; margin: 0 0 .75rem; }

.stats { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.25rem; flex: 1; min-width: 140px; box-shadow: var(--shadow); border-top: 3px solid var(--brand); }
a.stat { display: block; color: inherit; text-decoration: none; transition: transform .12s, box-shadow .12s; }
a.stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg, var(--shadow)); }
.stat .n { font-size: 1.9rem; font-weight: 700; line-height: 1.15; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat .l { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; font-weight: 500; }
.stat.warn { border-top-color: var(--warn); }
.stat.warn .n { color: var(--warn); }

/* ---- Tables ---- */
table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: .7rem .85rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--surface-2); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; color: var(--muted); white-space: nowrap; }
tbody tr { transition: background .12s; }
tbody tr:hover td { background: var(--tint); }
tr:last-child td { border-bottom: none; }
.card table { box-shadow: none; }

/* ---- Tags, badges ---- */
.tag { display: inline-block; background: var(--tint); color: var(--link); font-size: .72rem; font-weight: 600; padding: .12rem .5rem; border-radius: 999px; margin: 0 .2rem .2rem 0; }
.badge-yes { color: var(--ok); font-weight: 600; }
.badge-no { color: var(--muted); }
.badge-warn { color: var(--warn); font-weight: 600; }

/* ---- Buttons ---- */
.btn { display: inline-block; background: var(--brand); color: var(--on-brand); border: 1px solid transparent; padding: .5rem 1rem; border-radius: var(--radius-sm); cursor: pointer; font-family: inherit; font-size: .9rem; font-weight: 600; transition: background .15s, transform .05s; }
.btn:hover { background: var(--brand-d); color: var(--on-brand); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-sm { padding: .3rem .65rem; font-size: .8rem; }
.btn-ghost { background: var(--surface-2); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--line); color: var(--ink); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger); filter: brightness(.9); color: #fff; }
.btn-row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

/* ---- Forms ---- */
form .field { margin-bottom: 1rem; }
label { display: block; font-size: .82rem; font-weight: 500; color: var(--muted); margin-bottom: .3rem; }
input[type=text], input[type=password], input[type=email], input[type=url], input[type=number], input[type=date], select, textarea {
    width: 100%; padding: .55rem .7rem; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); font-size: .95rem; font-family: inherit;
    background: var(--card); color: var(--ink); transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--live); box-shadow: 0 0 0 3px var(--ring); }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: .7; }
input[type=checkbox], input[type=radio] { accent-color: var(--brand); }
textarea { min-height: 90px; }
.show-password { display: flex; align-items: center; gap: .35rem; margin: .4rem 0 0; font-size: .8rem; color: var(--muted); }
.show-password input { width: auto; }
.inline { display: inline; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
.row4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 1rem; }

.flash { padding: .75rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; border: 1px solid transparent; font-weight: 500; }
.flash-success { background: var(--ok-bg); color: var(--ok); }
.flash-error { background: var(--err-bg); color: var(--err); }
.flash-info { background: var(--warn-bg); color: var(--warn); }

.toolbar { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.toolbar form { display: flex; gap: .5rem; flex-wrap: wrap; flex: 1; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.code { font-family: var(--font-mono); background: var(--code-bg); color: var(--code-ink); padding: .75rem; border-radius: var(--radius-sm); word-break: break-all; }

.login-wrap { max-width: 380px; margin: 4rem auto; }
.login-wrap .brandmark { display: block; width: 44px; height: 44px; margin: 0 auto 1rem; }
.login-wrap h1 { text-align: center; }
.pagination { display: flex; gap: .5rem; margin-top: 1rem; align-items: center; }

.section-toggle { display: flex; align-items: center; gap: .5rem; font-weight: 600; margin: 0 0 .5rem; }
.subform { border-left: 3px solid var(--brand); padding: .25rem 0 .25rem 1rem; margin: .5rem 0 1.25rem; }
.subform[hidden] { display: none; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; margin-bottom: 1.25rem; }
legend { padding: 0 .4rem; font-weight: 600; }

/* Preview deployments (system-release skill): loud, unmissable, never shown in production. */
.preview-banner { background: var(--warn-bg); color: var(--warn); border-bottom: 2px solid var(--warn); padding: .5rem 1.25rem; font-size: .9rem; text-align: center; }
.table-wrap { overflow-x: auto; }

.nav-toggle { display: none; margin-left: auto; background: transparent; border: 1px solid var(--topbar-line); color: var(--topbar-ink); font-size: 1.2rem; line-height: 1; padding: .35rem .6rem; border-radius: var(--radius-sm); cursor: pointer; }
.nav-toggle:hover { background: rgba(255, 249, 242, .1); }

/* ---- Inventory-specific components ---- */
.line-items input[type=text], .line-items input[type=number], .line-items input[type=date], .line-items select { padding: .35rem .4rem; font-size: .85rem; }
.line-items td { padding: .4rem; }
.line-items .amount { text-align: right; white-space: nowrap; }

.qty-spinner { display: inline-flex; align-items: stretch; }
.qty-spinner .qty-btn {
    width: 1.9rem; border: 1px solid var(--line-strong); background: var(--surface-2); color: var(--ink);
    cursor: pointer; font-size: 1rem; line-height: 1; padding: 0;
}
.qty-spinner .qty-btn:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); border-right: none; }
.qty-spinner .qty-btn:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; border-left: none; }
.qty-spinner .qty-btn:hover { background: var(--line); }
.qty-spinner .qty-input { width: 4.2rem; text-align: center; border-radius: 0; }

.product-thumb { width: 40px; height: 40px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--surface-2); }
.image-gallery { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 1rem; }
.image-tile { position: relative; width: 140px; }
.image-tile img { width: 140px; height: 140px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); display: block; }
.image-tile.is-primary img { border-color: var(--brand); border-width: 2px; }
.image-tile-actions { display: flex; gap: .3rem; margin-top: .3rem; flex-wrap: wrap; }
.image-tile-actions form { display: inline; }

/* ---- Phone / narrow-viewport layout ---- */
@media (max-width: 780px) {
    .topbar { flex-wrap: wrap; padding: .6rem 1rem; }
    .nav-toggle { display: inline-block; }
    .topbar nav {
        display: none;
        order: 3;
        flex: 1 1 100%;
        flex-direction: column;
        gap: 0;
        margin-top: .5rem;
        border-top: 1px solid var(--topbar-line);
    }
    .topbar nav.open { display: flex; }
    .topbar nav a { padding: .75rem .25rem; border-bottom: 1px solid var(--topbar-line); border-radius: 0; }
    .topbar nav a.on { box-shadow: none; background: none; color: var(--brand); }
    .topbar .user { margin-left: 0; font-size: .85rem; }

    .container { margin: 1rem auto; padding: 0 .85rem; }

    .row2, .row3, .row4 { grid-template-columns: 1fr; gap: 0; }

    .stats { gap: .6rem; }
    .stat { min-width: calc(50% - .3rem); padding: .85rem 1rem; }

    /* Let wide tables scroll horizontally instead of squeezing every column
       unreadably thin; the table keeps its natural (min-content) sizing. */
    table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    table.line-items :is(select, input) { min-width: 8em; }

    .toolbar form { width: 100%; }
    .toolbar form input[type=text] { max-width: none !important; flex: 1 1 auto; }

    .image-tile, .image-tile img { width: calc(50% - .4rem); }
    .image-tile img { width: 100%; height: auto; aspect-ratio: 1 / 1; }

    .login-wrap { margin: 2rem auto; max-width: min(380px, 100%); }

    .btn { padding: .6rem 1rem; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }