/* StoreOS Pay — hand-written, no build step. */
:root {
    --bg: #f5f6f8;
    --surface: #ffffff;
    --text: #1d2330;
    --muted: #6b7385;
    --border: #e3e6ec;
    --primary: #0f6fec;
    --primary-dark: #0b57bb;
    --success: #13865a;
    --success-bg: #e5f6ee;
    --danger: #c9302c;
    --danger-bg: #fdecec;
    --warning: #9a6700;
    --warning-bg: #fff6dd;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 .75rem; line-height: 1.25; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
p { margin: 0 0 .75rem; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .85em; }
pre { background: #f0f2f5; padding: .75rem; border-radius: 6px; overflow: auto; max-height: 320px; margin: 0; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.right { text-align: right; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; word-break: break-all; }
.stack > * + * { margin-top: 1rem; }
.row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* Cards & layout */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem;
}

.checkout { max-width: 460px; margin: 3rem auto; padding: 0 16px; }
.checkout .brand { display: flex; align-items: center; gap: .6rem; margin-bottom: 1rem; color: var(--muted); font-weight: 600; }
.checkout .brand img { height: 32px; width: auto; border-radius: 6px; }
.checkout .amount { font-size: 2rem; font-weight: 700; letter-spacing: -.02em; }
.checkout footer { text-align: center; margin-top: 1.25rem; color: var(--muted); font-size: .8rem; }

.summary { display: grid; grid-template-columns: auto 1fr; gap: .35rem 1rem; margin: 0; }
.summary dt { color: var(--muted); }
.summary dd { margin: 0; text-align: right; word-break: break-word; }

/* Forms */
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .3rem; }
input, select, textarea {
    width: 100%;
    padding: .6rem .7rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font: inherit;
    background: #fff;
    color: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(15, 111, 236, .25); border-color: var(--primary); }
input[type=checkbox] { width: auto; }
.field { margin-bottom: .9rem; }
.field .error { color: var(--danger); font-size: .85rem; margin-top: .25rem; }
.hint { color: var(--muted); font-size: .8rem; margin-top: .25rem; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
    padding: .6rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    font: inherit; font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { text-decoration: none; background: #f7f8fa; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-block { width: 100%; padding: .8rem 1rem; font-size: 1rem; }
.btn-sm { padding: .3rem .6rem; font-size: .85rem; }

/* Alerts & badges */
.alert { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-error { background: var(--danger-bg); color: var(--danger); }
.alert-warning { background: var(--warning-bg); color: var(--warning); }

.badge { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; background: #eef0f4; color: var(--muted); }
.badge-paid, .badge-success { background: var(--success-bg); color: var(--success); }
.badge-failed, .badge-expired { background: var(--danger-bg); color: var(--danger); }
.badge-cancelled { background: #f1f1f1; color: #555; }
.badge-pending, .badge-initiated { background: var(--warning-bg); color: var(--warning); }

.status-icon { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; font-size: 1.75rem; margin: 0 auto 1rem; }
.status-icon.ok { background: var(--success-bg); color: var(--success); }
.status-icon.bad { background: var(--danger-bg); color: var(--danger); }
.status-icon.wait { background: var(--warning-bg); color: var(--warning); }

/* Admin */
.topbar { background: #111827; color: #fff; }
.topbar .inner { max-width: 1200px; margin: 0 auto; padding: .75rem 16px; display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.topbar a { color: #cbd2e1; font-weight: 500; }
.topbar a.active, .topbar a:hover { color: #fff; text-decoration: none; }
.topbar .logo { color: #fff; font-weight: 700; }
.topbar form { margin: 0 0 0 auto; }
.topbar button { background: none; border: 0; color: #cbd2e1; font: inherit; cursor: pointer; }
.container { max-width: 1200px; margin: 1.5rem auto; padding: 0 16px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.stat .label { color: var(--muted); font-size: .85rem; }
.stat .value { font-size: 1.5rem; font-weight: 700; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .6rem .75rem; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }

.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; align-items: end; }
.filters .field { margin: 0; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; }
details summary { cursor: pointer; color: var(--primary); font-size: .85rem; }

nav[role=navigation] { margin-top: 1rem; }
nav[role=navigation] svg { width: 1rem; }

@media (max-width: 520px) {
    .checkout { margin: 1.25rem auto; }
    .summary dd { text-align: left; }
    .summary { grid-template-columns: 1fr; }
}

.pagination { display: flex; flex-wrap: wrap; gap: .25rem; list-style: none; padding: 0; margin: 1rem 0 0; }
.pagination li > * { display: block; padding: .3rem .65rem; border: 1px solid var(--border); border-radius: 6px; background: #fff; }
.pagination li.active > * { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination li.disabled > * { color: var(--muted); }