:root {
    --dcc-primary: #0b63d8;
    --dcc-primary-strong: #074ba8;
    --dcc-primary-dark: #052f75;
    --dcc-primary-ink: #062655;
    --dcc-primary-soft: #e9f3ff;
    --dcc-primary-faint: #f5f9ff;
    --dcc-accent: #35b7ff;
    --dcc-accent-soft: #e8f8ff;
    --dcc-success: #109b70;
    --dcc-success-soft: #e8f8f1;
    --dcc-warning: #ef9b1b;
    --dcc-warning-soft: #fff4dd;
    --dcc-danger: #d83e52;
    --dcc-danger-soft: #fff0f3;
    --dcc-text: #10213d;
    --dcc-muted: #6b7b93;
    --dcc-bg: #f2f7ff;
    --dcc-surface: #ffffff;
    --dcc-border: #dce8f8;
    --dcc-radius-sm: 14px;
    --dcc-radius: 20px;
    --dcc-radius-lg: 28px;
    --dcc-shadow-sm: 0 8px 20px rgba(9, 54, 124, .06);
    --dcc-shadow: 0 16px 38px rgba(6, 56, 132, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    min-width: 320px;
    background: var(--dcc-bg);
    color: var(--dcc-text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
a { text-decoration: none; }
button, input, select, textarea { font: inherit; }

.dcc-eyebrow, .dcc-page-kicker {
    color: var(--dcc-primary);
    font-size: .69rem;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.dcc-btn-primary {
    border: 0;
    color: #fff;
    background: linear-gradient(135deg, var(--dcc-primary), #168bef);
    border-radius: 14px;
    font-weight: 800;
    min-height: 48px;
    padding: .75rem 1.05rem;
    box-shadow: 0 10px 20px rgba(11, 99, 216, .24);
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.dcc-btn-primary:hover, .dcc-btn-primary:focus {
    color: #fff;
    background: linear-gradient(135deg, var(--dcc-primary-strong), var(--dcc-primary));
    box-shadow: 0 13px 24px rgba(11, 99, 216, .3);
    transform: translateY(-1px);
}
.dcc-btn-primary:active { transform: translateY(0); }

.dcc-btn-outline {
    border: 1px solid #b9d7fb;
    color: var(--dcc-primary);
    background: #fff;
    border-radius: 14px;
    font-weight: 800;
    min-height: 44px;
    padding: .68rem .95rem;
}
.dcc-btn-outline:hover, .dcc-btn-outline:focus { background: var(--dcc-primary-soft); border-color: var(--dcc-primary); color: var(--dcc-primary-dark); }

.form-label { color: #263a5b; font-weight: 750; font-size: .84rem; margin-bottom: .42rem; }
.form-control, .form-select, .input-group-text, .btn-outline-secondary {
    border-color: var(--dcc-border);
    min-height: 48px;
    border-radius: 13px;
}
.input-group > .form-control:not(:first-child), .input-group > .form-select:not(:first-child) { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.input-group > .input-group-text:not(:last-child) { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.input-group > .btn:last-child { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.form-control, .form-select { background: #fff; color: var(--dcc-text); padding: .72rem .82rem; }
textarea.form-control { min-height: auto; }
.form-control::placeholder { color: #95a4b9; }
.form-control:focus, .form-select:focus {
    border-color: var(--dcc-primary);
    box-shadow: 0 0 0 .22rem rgba(11, 99, 216, .13);
}
.input-group-text { background: var(--dcc-primary-faint); color: var(--dcc-primary); border-color: var(--dcc-border); }
.dcc-input-group .input-group-text { background: var(--dcc-primary-faint); color: var(--dcc-primary); }
.btn-outline-secondary { border-color: var(--dcc-border); color: var(--dcc-primary); }
.btn-outline-secondary:hover, .btn-outline-secondary:focus { background: var(--dcc-primary-soft); color: var(--dcc-primary-dark); border-color: var(--dcc-primary); }
.form-text { color: var(--dcc-muted); font-size: .75rem; }
.alert { border-radius: 14px; border-width: 1px; font-weight: 650; }

.dcc-auth-page, .dcc-install-page {
    min-height: 100dvh;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr);
    background:
        radial-gradient(circle at 8% 14%, rgba(92, 198, 255, .5), transparent 24%),
        radial-gradient(circle at 84% 87%, rgba(0, 50, 139, .36), transparent 30%),
        linear-gradient(145deg, #063f9e 0%, #075fcf 48%, #0aa4ef 100%);
}
.dcc-auth-panel { color: #fff; padding: clamp(2rem, 6vw, 6rem); display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden; }
.dcc-auth-panel::after { content: ""; position: absolute; width: min(50vw, 650px); aspect-ratio: 1; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; right: -13%; bottom: -34%; box-shadow: 0 0 0 50px rgba(255,255,255,.045), 0 0 0 100px rgba(255,255,255,.035); pointer-events: none; }
.dcc-auth-brand { display: inline-flex; align-items: center; gap: .85rem; position: relative; z-index: 1; }
.dcc-auth-brand strong { display: block; font-size: 1.04rem; letter-spacing: -.01em; }
.dcc-auth-brand span { display: block; color: rgba(255,255,255,.75); font-size: .82rem; }
.dcc-brand-mark { width: 44px; height: 44px; display: inline-grid; place-items: center; border-radius: 15px; background: #fff; color: var(--dcc-primary); font-size: 1.25rem; box-shadow: 0 10px 22px rgba(0,33,92,.2); }
.dcc-brand-mark-lg { width: 58px; height: 58px; border-radius: 19px; font-size: 1.6rem; }
.dcc-auth-copy { max-width: 650px; margin: 5.2rem 0 2.5rem; position: relative; z-index: 1; }
.dcc-auth-copy .dcc-eyebrow { color: #d9f2ff; }
.dcc-auth-copy h1 { font-size: clamp(2.15rem, 4.4vw, 4.2rem); line-height: 1.03; font-weight: 850; letter-spacing: -.055em; margin: .65rem 0 1.15rem; }
.dcc-auth-copy p { font-size: 1.04rem; max-width: 560px; color: rgba(255,255,255,.84); }
.dcc-auth-benefits { display: flex; flex-wrap: wrap; gap: .65rem; position: relative; z-index: 1; }
.dcc-auth-benefits span { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); border-radius: 999px; padding: .55rem .82rem; font-size: .82rem; backdrop-filter: blur(8px); }
.dcc-auth-benefits i { color: #fff; margin-right: .32rem; }
.dcc-auth-form-wrap { background: #f7fbff; display: grid; place-items: center; padding: 1.5rem; }
.dcc-auth-form-card, .dcc-install-card { background: #fff; width: min(100%, 460px); border: 1px solid #e4effc; border-radius: 26px; padding: clamp(1.5rem, 5vw, 3rem); box-shadow: 0 20px 50px rgba(5,48,118,.12); }
.dcc-auth-form-card h2, .dcc-install-card h1 { font-weight: 850; letter-spacing: -.04em; margin: .35rem 0 .28rem; }
.dcc-auth-note { margin-top: 1.25rem; color: var(--dcc-muted); font-size: .8rem; text-align: center; line-height: 1.5; }
.dcc-install-page { grid-template-columns: 1fr; padding: 2rem; place-items: center; }
.dcc-install-card { width: min(100%, 600px); }
.dcc-install-card .dcc-auth-brand strong { color: var(--dcc-text); }
.dcc-install-card .dcc-auth-brand span { color: var(--dcc-muted); }

@media (max-width: 900px) {
    .dcc-auth-page { grid-template-columns: 1fr; background: #f7fbff; }
    .dcc-auth-panel { min-height: 305px; padding: 1.45rem 1.35rem 2.3rem; border-radius: 0 0 30px 30px; }
    .dcc-auth-copy { margin: 2.35rem 0 1.55rem; }
    .dcc-auth-copy h1 { font-size: clamp(2rem, 9vw, 3.05rem); }
    .dcc-auth-copy p { font-size: .92rem; margin-bottom: 0; }
    .dcc-auth-benefits { display: none; }
    .dcc-auth-form-wrap { padding: 1.15rem .9rem 1.5rem; align-items: start; }
    .dcc-auth-form-card { width: 100%; max-width: 520px; padding: 1.35rem; border-radius: 21px; box-shadow: 0 11px 28px rgba(5,48,118,.09); }
}


/* v7: professional mobile typography and navigation refinements */
:root {
    --dcc-font-sans: "Plus Jakarta Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --dcc-font-mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--dcc-font-sans);
    font-size: 15px;
    line-height: 1.5;
    letter-spacing: -.008em;
}
button, input, select, textarea { font-family: inherit; }
.dcc-stat-card strong,
.dcc-wallet-amount-wrap strong,
.dcc-product-balance,
.dcc-code-chip { font-variant-numeric: tabular-nums; }
.dcc-code-chip { font-family: var(--dcc-font-mono); letter-spacing: -.03em; }
.form-control, .form-select { font-size: .92rem; }
@media (max-width: 767.98px) {
    body { font-size: 14px; }
    .form-control, .form-select { font-size: 16px; }
    .form-label { font-size: .79rem; }
}

/* v12: official logo, installable PWA, and Humanitarian Aid wallet */
.dcc-auth-logo {
    width: 58px;
    height: 58px;
    flex: 0 0 auto;
    object-fit: contain;
    border-radius: 19px;
    background: #fff;
    padding: 4px;
    box-shadow: 0 10px 22px rgba(0,33,92,.2);
}