:root {
    --bs-body-bg: #f5f7fb;
    --bs-body-color: #253247;
    --bs-border-color: #e2e7ef;
    --bs-border-radius: .5rem;
}

body { min-width: 320px; }
a { text-decoration: none; }
a:hover { text-decoration: underline; }
.sapa-navbar { padding: .25rem 0; }
.sapa-topbar {
    color: #fff;
    background: linear-gradient(110deg, #142b49, #24466b);
    border-bottom: 3px solid #cba75a;
    box-shadow: 0 2px 8px #142b491a;
}
.sapa-topbar-muted { color: #c4d2e3; }
.sapa-navbar { --bs-navbar-color: #dce6f2; --bs-navbar-hover-color: #fff; --bs-navbar-active-color: #fff; }
.sapa-navbar .nav-link { color: #dce6f2; }
.sapa-navbar .nav-link:hover, .sapa-navbar .nav-link:focus-visible { color: #fff; }
.sapa-navbar.sapa-topbar .nav-link.active { color: #f3d596; }
.sapa-navbar .navbar-brand { background: #f5f7fb; border-radius: .5rem; padding: .1rem .65rem; }
.sapa-navbar .navbar-collapse { border-top-color: #ffffff26; }
.brand-logo { display: block; width: 155px; max-width: 100%; height: auto; }
.scanner-page { max-width: 640px; }
.scanner-frame { position: relative; display: grid; place-items: center; aspect-ratio: 4/3; overflow: hidden; border-radius: .6rem; background: #142b49; color: #dce6f2; }
.scanner-frame video { width: 100%; height: 100%; object-fit: cover; }
.scanner-guide { position: absolute; width: 62%; aspect-ratio: 1; max-height: 85%; border: 2px solid #f3d596; border-radius: .75rem; box-shadow: 0 0 0 120px #00000026; pointer-events: none; }
.navbar .nav-link { font-weight: 500; font-size: .9rem; }
.navbar .nav-link.active { color: var(--bs-primary); }
.navbar .btn { text-decoration: none; }
.sapa-main { min-height: calc(100vh - 170px); }
h1 { font-size: 2rem; font-weight: 700; letter-spacing: -.04em; }
h2 { font-size: 1.35rem; font-weight: 650; }
h3 { font-size: 1.05rem; font-weight: 650; }
p { color: var(--bs-secondary-color); }
.eyebrow { color: var(--bs-primary); font-size: .68rem; font-weight: 700; letter-spacing: .12em; margin-bottom: .8rem; }
.card { padding: 1.5rem; margin-bottom: 1.5rem; background: #fff; border-color: var(--bs-border-color); box-shadow: 0 2px 5px #25324704; }
.sapa-table-card { padding: 0; overflow: hidden; }
.table > :not(caption) > * > * { padding: 1rem 1.1rem; }
.table th { font-size: .72rem; letter-spacing: .04em; white-space: nowrap; color: #65748b; }
.table td { font-size: .86rem; }
.table td small { display: block; color: var(--bs-secondary-color); margin-top: .25rem; }
.form-label { display: block; font-size: .86rem; font-weight: 600; margin-bottom: 1rem; }
.form-control, .form-select { margin-top: .4rem; font-weight: 400; }
.form-control[readonly] { background: var(--bs-tertiary-bg); }
.form-label small { display: block; color: var(--bs-secondary-color); font-weight: 400; font-size: .75rem; margin-top: .3rem; }
.form-check-input { margin-right: .4rem; }
.form-label .d-flex { margin-top: .4rem; }
.d-flex > .form-control { flex: 1; width: auto; min-width: 140px; margin-top: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.25rem; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: start; }
.page-heading { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; margin: .5rem 0 1.75rem; }
.page-heading p { margin: 0; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin: 1.5rem 0; }
.stat { background: #fff; border: 1px solid var(--bs-border-color); border-left: 4px solid var(--bs-primary); border-radius: .5rem; padding: 1.25rem; }
.stat small { display: block; color: var(--bs-secondary-color); }
.stat strong { display: block; font-size: 2rem; font-weight: 700; margin: .4rem 0; }
.stat span { font-size: .75rem; color: var(--bs-secondary-color); }
.identity-strip { display: flex; align-items: center; gap: .75rem; margin-bottom: 1.5rem; font-size: .85rem; }
.note { background: var(--bs-primary-bg-subtle); color: var(--bs-primary-text-emphasis); border: 1px solid var(--bs-primary-border-subtle); border-radius: .5rem; padding: .9rem 1rem; font-size: .82rem; margin-top: 1.25rem; }
.section-gap { margin-top: 1.5rem; }
.muted { color: var(--bs-secondary-color); font-size: .78rem; margin-top: .85rem; }
.text-link { display: inline-block; margin: .75rem; font-size: .88rem; }
.narrow { max-width: 540px; margin: 1.5rem auto; }
.auth-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; max-width: 1000px; margin: 3rem auto; }
.auth-grid h1 { font-size: 2.65rem; }
.auth-grid .btn { padding: .65rem 1rem; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: center; padding: 3rem 0; }
.hero h1 { font-size: clamp(2.5rem, 4.5vw, 3.8rem); line-height: 1.15; margin-bottom: 1.4rem; }
.hero h1 span { color: var(--bs-primary); }
.hero > div > p { max-width: 430px; font-size: 1.05rem; margin-bottom: 1.5rem; }
.hero .btn { padding: .75rem 1.3rem; }
.hero-card { padding: 1.75rem; background: #fff; border: 1px solid var(--bs-border-color); border-radius: .75rem; box-shadow: 0 .5rem 2rem #25324708; }
.step { display: flex; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--bs-border-color); }
.step b { align-self: flex-start; display: grid; place-items: center; width: 2.25rem; height: 2.25rem; flex-shrink: 0; background: var(--bs-primary-bg-subtle); color: var(--bs-primary); border-radius: 50%; font-size: .8rem; }
.step p { margin-bottom: 0; font-size: .88rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; border-top: 1px solid var(--bs-border-color); padding: 1.5rem 0; }
.feature-grid p { font-size: .85rem; margin-top: .4rem; }
.details > div { display: flex; flex-direction: column; padding: .75rem 0; border-bottom: 1px solid var(--bs-border-color); }
.details small { color: var(--bs-secondary-color); font-size: .78rem; }
.details strong { font-size: .95rem; }
.empty { padding: 3rem 1rem !important; text-align: center; color: var(--bs-secondary-color); }
details { margin-top: 1rem; }
summary { color: var(--bs-primary); font-weight: 600; font-size: .88rem; }
details > form { margin-top: 1rem; }
.mini-form { min-width: 210px; }
.mini-form .form-control, .mini-form .form-select, .mini-form .btn { font-size: .8rem; }
.mini-form .form-label { margin-top: .5rem; margin-bottom: .6rem; }
.search-result { display: block; width: 100%; text-align: left; padding: .8rem; margin: .4rem 0; border: 1px solid var(--bs-primary-border-subtle); background: var(--bs-primary-bg-subtle); border-radius: .5rem; color: var(--bs-primary-text-emphasis); }
.camera-frame { aspect-ratio: 3/4; max-height: 420px; display: grid; place-items: center; overflow: hidden; text-align: center; background: var(--bs-tertiary-bg); border: 1px dashed #b6c1d0; border-radius: .6rem; color: var(--bs-secondary-color); }
.camera-frame video, .camera-frame img { width: 100%; height: 100%; object-fit: cover; }
.camera-frame video { transform: scaleX(-1); }
.receipt { max-width: 600px; margin: 1.5rem auto; text-align: center; }
.receipt-check { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 1.2rem; border-radius: 50%; background: var(--bs-success-bg-subtle); color: var(--bs-success); font-size: 2rem; }
.receipt-details { text-align: left; margin: 1.5rem 0; }
.receipt-photo { width: 150px; border-radius: .5rem; margin: 0 auto 1.5rem; }
.qr-board { text-align: center; background: #fff; border: 1px solid var(--bs-border-color); border-radius: .75rem; padding: 2.5rem 1.25rem; max-width: 750px; margin: 1rem auto; }
.qr-code { max-width: 380px; margin: 1.5rem auto; }
.qr-code svg { display: block; width: 100%; height: auto; }
.qr-board .badge { margin: .8rem 0; }
[hidden] { display: none !important; }
@media (max-width: 991.98px) {
    .navbar-collapse { border-top: 1px solid var(--bs-border-color); padding: .75rem 0; }
    .navbar-nav > .btn { align-self: flex-start; margin-top: .5rem; }
    .hero, .auth-grid { gap: 2rem; }
    .two-column { grid-template-columns: 1fr; }
}
@media (max-width: 575.98px) {
    .brand-logo { width: 135px; }
    .hero, .auth-grid { grid-template-columns: 1fr; padding: 1rem 0; margin: .5rem auto; }
    .hero h1 { font-size: 2.65rem; }
    .auth-grid h1 { font-size: 2rem; }
    .hero-card, .card { padding: 1.25rem; }
    .sapa-table-card { padding: 0; }
    .page-heading { align-items: flex-start; flex-direction: column; gap: 1rem; }
    .stats { grid-template-columns: 1fr; gap: .75rem; }
    .stat { padding: 1rem; }
    .stat strong { font-size: 1.75rem; margin: .2rem 0; }
    .form-grid, .feature-grid { grid-template-columns: 1fr; }
    .feature-grid { gap: .5rem; margin-top: 1.5rem; }
    .table > :not(caption) > * > * { padding: .8rem; }
    h1 { font-size: 1.8rem; }
}