/* ===========================================================================
   Card Reader — design system
   =========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

:root {
    --bg:        #eef1f6;
    --bg-2:      #e4e8f0;
    --surface:   #ffffff;
    --surface-2: #f7f9fc;
    --ink:       #172033;
    --ink-2:     #5b677a;
    --line:      #e2e7f0;
    --line-2:    #d3dae6;
    --primary:   #3b5bfd;
    --primary-ink:#ffffff;
    --primary-2: #2c46d6;
    --granted:   #12a150;
    --granted-bg:#dcfce7;
    --denied:    #e11d48;
    --denied-bg: #ffe4e6;
    --warn:      #d97706;
    --warn-bg:   #fef3c7;
    --code-bg:   #eef2f9;
    --shadow:    0 1px 2px rgba(20,30,55,.06), 0 8px 24px rgba(20,30,55,.06);
    --radius:    14px;
    --radius-sm: 9px;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) { color-scheme: dark;
        --bg:#0c1018; --bg-2:#0a0e15; --surface:#151b26; --surface-2:#1b2230;
        --ink:#e8edf6; --ink-2:#9aa7bd; --line:#26303f; --line-2:#33404f;
        --primary:#5a77ff; --primary-2:#4763f5; --code-bg:#1c2432;
        --granted:#37d67a; --granted-bg:#0f2f1d; --denied:#fb7185; --denied-bg:#3a1620;
        --warn:#fbbf24; --warn-bg:#3a2c0c;
        --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35); }
}
[data-theme="dark"] { color-scheme: dark;
    --bg:#0c1018; --bg-2:#0a0e15; --surface:#151b26; --surface-2:#1b2230;
    --ink:#e8edf6; --ink-2:#9aa7bd; --line:#26303f; --line-2:#33404f;
    --primary:#5a77ff; --primary-2:#4763f5; --code-bg:#1c2432;
    --granted:#37d67a; --granted-bg:#0f2f1d; --denied:#fb7185; --denied-bg:#3a1620;
    --warn:#fbbf24; --warn-bg:#3a2c0c;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35); }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
    background-attachment: fixed;
    color: var(--ink);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Navigation ---------------------------------------------------------- */
.topnav {
    position: sticky; top: 0; z-index: 50;
    display: flex; align-items: center; gap: 20px;
    padding: 11px 22px;
    background: color-mix(in srgb, var(--surface) 82%, transparent);
    backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid var(--line);
    flex-wrap: wrap;
}
.brand { font-weight: 750; font-size: 16px; letter-spacing: .2px; display: flex; align-items: center; gap: 7px; }
.navlinks { display: flex; gap: 3px; flex: 1; flex-wrap: wrap; }
.navlinks a {
    color: var(--ink-2); text-decoration: none;
    padding: 7px 13px; border-radius: 999px; font-size: 13.5px; font-weight: 550;
    transition: background .15s, color .15s;
}
.navlinks a:hover { background: var(--surface-2); color: var(--ink); text-decoration: none; }
.navlinks a.active { background: var(--primary); color: var(--primary-ink); }

.theme-btn {
    border: 1px solid var(--line); background: var(--surface); color: var(--ink);
    width: 34px; height: 34px; border-radius: 999px; cursor: pointer; font-size: 15px;
    display: inline-flex; align-items: center; justify-content: center;
}
.theme-btn:hover { background: var(--surface-2); }

.bridge-status { font-size: 12.5px; color: var(--ink-2); display: flex; align-items: center; gap: 7px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: #94a3b8; display: inline-block; }
.dot-on   { background: #22c55e; box-shadow: 0 0 0 3px color-mix(in srgb, #22c55e 22%, transparent); }
.dot-warn { background: #f59e0b; box-shadow: 0 0 0 3px color-mix(in srgb, #f59e0b 22%, transparent); }
.dot-off  { background: #ef4444; box-shadow: 0 0 0 3px color-mix(in srgb, #ef4444 22%, transparent); }

/* --- Layout -------------------------------------------------------------- */
.container { max-width: 1040px; margin: 26px auto 60px; padding: 0 20px; }
.page-head { margin-bottom: 18px; }
h1 { margin: 0 0 4px; font-size: 25px; letter-spacing: -.3px; }
h2 { font-size: 16px; margin: 0 0 12px; letter-spacing: -.1px; }
h3 { font-size: 14px; }
.muted { color: var(--ink-2); font-size: 13.5px; }
.footer { text-align: center; color: var(--ink-2); font-size: 12px; padding: 30px 20px; }

/* --- Cards --------------------------------------------------------------- */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px 22px;
    margin: 16px 0;
    box-shadow: var(--shadow);
}

/* --- Hero (card summary) ------------------------------------------------- */
.hero { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 26px; }
.hero-uid { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-size: 26px; font-weight: 700; letter-spacing: 1px; word-break: break-all; }
.hero-uid small { display: block; font-size: 12px; font-weight: 500; color: var(--ink-2);
    letter-spacing: 0; margin-top: 2px; font-family: inherit; }
.hero-type { font-size: 13px; font-weight: 650; color: var(--primary);
    background: color-mix(in srgb, var(--primary) 12%, transparent);
    padding: 6px 13px; border-radius: 999px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-left: auto; }
.chip { font-size: 12.5px; color: var(--ink-2); background: var(--surface-2);
    border: 1px solid var(--line); padding: 6px 11px; border-radius: 999px; }
.chip b { color: var(--ink); font-weight: 650; }

/* --- Reader status ------------------------------------------------------- */
.reader-panel { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.reader-light { width: 15px; height: 15px; border-radius: 50%; background: #94a3b8; flex: none; }
.reader-light.on   { background: #22c55e; box-shadow: 0 0 0 4px color-mix(in srgb,#22c55e 20%,transparent); }
.reader-light.warn { background: #f59e0b; box-shadow: 0 0 0 4px color-mix(in srgb,#f59e0b 20%,transparent); }
.reader-light.off  { background: #ef4444; box-shadow: 0 0 0 4px color-mix(in srgb,#ef4444 20%,transparent); }
.reader-info .rmodel { font-weight: 650; font-size: 15px; }
.reader-info .rmeta  { color: var(--ink-2); font-size: 13px; }
.hold-toggle { font-size: 13px; color: var(--ink-2); white-space: nowrap;
    display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }

/* --- Empty state --------------------------------------------------------- */
.empty-state {
    background: var(--surface); border: 1px dashed var(--line-2); border-radius: var(--radius);
    min-height: 190px; display: flex; align-items: center; justify-content: center;
    text-align: center; color: var(--ink-2); padding: 30px; margin: 16px 0;
}
.empty-state .scan-icon { font-size: 46px; margin-bottom: 10px; opacity: .8; }

/* --- Live Scan panel ----------------------------------------------------- */
.scan-panel { margin: 18px 0; }
.scan-result {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    min-height: 170px; display: flex; align-items: center; justify-content: center;
    padding: 26px; text-align: center; box-shadow: var(--shadow);
}
.scan-idle { color: var(--ink-2); font-size: 17px; }
.scan-icon { font-size: 46px; margin-bottom: 8px; }
.scan-card { width: 100%; }
.scan-card.granted { color: var(--granted); }
.scan-card.denied  { color: var(--denied); }
.scan-card.unknown { color: var(--warn); }
.scan-big { font-size: 29px; font-weight: 750; }
.scan-sub { font-size: 16px; margin-top: 6px; color: var(--ink); }
.scan-uid { font-size: 13px; margin-top: 10px; color: var(--ink-2); font-family: ui-monospace, monospace; }
.manual-form { display: flex; gap: 8px; margin-top: 12px; }
.manual-form input { flex: 1; }

/* --- Tabs ---------------------------------------------------------------- */
.tabwrap { padding-top: 8px; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--line);
    margin: -4px -4px 18px; padding: 0 0 0 0; }
.tabs button {
    border: none; background: none; color: var(--ink-2); cursor: pointer;
    padding: 10px 15px; font-size: 13.5px; font-weight: 600; border-radius: 8px 8px 0 0;
    border-bottom: 2px solid transparent; margin-bottom: -1px; font-family: inherit;
}
.tabs button:hover { color: var(--ink); background: var(--surface-2); }
.tabs button.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel[hidden] { display: none; }
.tab-panel h3.sub:first-child { margin-top: 4px; border-top: none; padding-top: 0; }

/* --- Forms --------------------------------------------------------------- */
input[type="text"], input[type="email"], input[type="password"], input[type="date"],
input[type="number"], select, textarea {
    padding: 9px 12px; border: 1px solid var(--line-2); border-radius: var(--radius-sm);
    font-size: 14px; background: var(--surface); color: var(--ink); font-family: inherit;
}
textarea { resize: vertical; min-height: 52px; }
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent);
}
label { font-size: 14px; color: var(--ink); }
.inline-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.inline-form label { display: inline-flex; align-items: center; gap: 6px; }
.filter-form { margin: 14px 0; }
form.inline { display: inline; }

/* --- Buttons ------------------------------------------------------------- */
.btn {
    padding: 9px 16px; border: 1px solid var(--line-2); border-radius: var(--radius-sm);
    background: var(--surface); color: var(--ink); font-size: 14px; font-weight: 600;
    cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 7px;
    transition: background .15s, border-color .15s, transform .05s; font-family: inherit;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn-primary:hover { background: var(--primary-2); }
.btn-danger { color: var(--denied); border-color: color-mix(in srgb, var(--denied) 45%, var(--line-2)); }
.btn-danger:hover { background: var(--denied-bg); }
.btn-small { padding: 5px 11px; font-size: 12.5px; }
.btn-block { width: 100%; margin-top: 14px; justify-content: center; }

/* --- Tables -------------------------------------------------------------- */
.table {
    width: 100%; border-collapse: collapse; background: var(--surface);
    border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 14px;
}
.table th, .table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); }
.table th { background: var(--surface-2); font-size: 11.5px; text-transform: uppercase;
    letter-spacing: .5px; color: var(--ink-2); font-weight: 700; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--surface-2); }
.table .actions { white-space: nowrap; display: flex; gap: 6px; flex-wrap: wrap; }
code { background: var(--code-bg); padding: 2px 6px; border-radius: 5px; font-size: 12.5px;
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; }

.table.dump { font-family: ui-monospace, monospace; }
.table.dump th { font-family: "Segoe UI", system-ui, sans-serif; }
.table.dump td { padding: 6px 12px; }
.table.dump code { background: transparent; padding: 0; }
.table.dump thead th { position: sticky; top: 0; z-index: 2; }
.dump-scroll { max-height: 480px; overflow: auto; border-radius: var(--radius); border: 1px solid var(--line); }
.dump-scroll .table { border: none; border-radius: 0; }
.dump-controls { display: flex; gap: 18px; align-items: center; margin-bottom: 12px; font-size: 13px; color: var(--ink-2); flex-wrap: wrap; }
.dump-controls label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.table.dump tr.grp td { background: var(--surface-2); font-family: "Segoe UI", system-ui, sans-serif;
    font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: .4px;
    color: var(--ink-2); border-top: 2px solid var(--line-2); }
.table.dump tbody tr:hover { background: color-mix(in srgb, var(--primary) 7%, transparent); }
.table.dump tr.grp:hover td { background: var(--surface-2); }
.row-trailer  { background: color-mix(in srgb, var(--warn-bg) 55%, transparent); }
.row-reserved { background: var(--surface-2); }
.row-diff     { background: color-mix(in srgb, var(--denied-bg) 55%, transparent); }
mark { background: #fde68a; color: #111; border-radius: 3px; padding: 0 2px; font-weight: 700; }
[data-theme="dark"] mark { background: #b7791f; color: #fff; }

/* --- Key/value ----------------------------------------------------------- */
.kv { width: 100%; border-collapse: collapse; font-size: 14px; }
.kv th { text-align: left; width: 150px; color: var(--ink-2); font-weight: 600;
    padding: 7px 12px 7px 0; vertical-align: top; }
.kv td { padding: 7px 0; word-break: break-all; }

h3.sec { font-size: 13.5px; margin: 18px 0 6px; display: flex; align-items: center; gap: 8px; }
h3.sub { font-size: 13px; margin: 22px 0 10px; color: var(--ink); text-transform: uppercase;
    letter-spacing: .5px; border-top: 1px solid var(--line); padding-top: 16px; font-weight: 700; }

/* --- Badges & alerts ----------------------------------------------------- */
.badge { padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 700;
    text-transform: uppercase; letter-spacing: .3px; }
.badge-granted { background: var(--granted-bg); color: var(--granted); }
.badge-denied  { background: var(--denied-bg);  color: var(--denied); }
.badge-unknown { background: var(--warn-bg);    color: var(--warn); }

.alert { padding: 11px 15px; border-radius: var(--radius-sm); font-size: 13.5px; margin: 12px 0;
    border: 1px solid transparent; }
.alert-granted { background: var(--granted-bg); color: var(--granted); border-color: color-mix(in srgb,var(--granted) 30%,transparent); }
.alert-denied  { background: var(--denied-bg);  color: var(--denied);  border-color: color-mix(in srgb,var(--denied) 30%,transparent); }
.alert-assign  { background: color-mix(in srgb,var(--primary) 12%,transparent); color: var(--primary);
    display: flex; align-items: center; gap: 12px; border-color: color-mix(in srgb,var(--primary) 30%,transparent); }

/* --- Toasts -------------------------------------------------------------- */
.toast-box { position: fixed; right: 18px; bottom: 18px; z-index: 200;
    display: flex; flex-direction: column; gap: 10px; max-width: 360px; }
.toast { background: var(--surface); color: var(--ink); border: 1px solid var(--line);
    border-left: 4px solid var(--primary); border-radius: 10px; padding: 12px 15px;
    font-size: 13.5px; box-shadow: var(--shadow); opacity: 0; transform: translateY(10px);
    transition: opacity .25s, transform .25s; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { border-left-color: var(--granted); }
.toast-error   { border-left-color: var(--denied); }
.toast-info    { border-left-color: var(--primary); }

/* --- Modal --------------------------------------------------------------- */
.modal-overlay { position: fixed; inset: 0; z-index: 150; display: none;
    align-items: center; justify-content: center; padding: 24px;
    background: rgba(8, 12, 22, .55); backdrop-filter: blur(3px); }
.modal-overlay.show { display: flex; }
.modal { background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
    width: min(1150px, 96vw); max-height: 90vh; display: flex; flex-direction: column;
    box-shadow: 0 30px 80px rgba(0,0,0,.45); overflow: hidden; }
.modal-head { display: flex; align-items: center; justify-content: space-between;
    padding: 15px 22px; border-bottom: 1px solid var(--line); }
.modal-head h2 { margin: 0; font-size: 17px; }
.modal-close { border: none; background: none; font-size: 28px; line-height: 1; cursor: pointer;
    color: var(--ink-2); padding: 0 4px; }
.modal-close:hover { color: var(--ink); }
.modal-body { padding: 20px 22px; overflow: auto; }
.modal-body .table.dump { font-size: 14px; }
.modal-body .table.dump td { padding: 9px 16px; }
.modal-body .kv { font-size: 15px; margin-bottom: 8px; }

/* --- Login --------------------------------------------------------------- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh;
    background: linear-gradient(135deg, #1a2436, #0c1018); }
.login-card { background: var(--surface); border-radius: 18px; padding: 38px; width: 350px;
    box-shadow: 0 24px 60px rgba(0,0,0,.4); border: 1px solid var(--line); }
.login-card h1 { font-size: 20px; text-align: center; margin-bottom: 22px; }
.login-card label { display: block; margin-bottom: 6px; color: var(--ink-2); }
.login-card input { width: 100%; }

/* --- Responsive ---------------------------------------------------------- */
@media (max-width: 640px) {
    .chips { margin-left: 0; }
    .hero-uid { font-size: 21px; }
    .navlinks { order: 3; width: 100%; }
}