:root { --brand: #b61751; --brand-light: #fff1f6; --ink: #34313b; --line: #ece5e9; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: #f8f6f8; }
a { color: var(--brand); } a:hover { color: #8f1240; }
a:focus-visible, button:focus-visible { outline: 3px solid #b61751; outline-offset: 3px; }
.content-wrapper { background: #f8f6f8; }
.ebok-logo { width: 110px; height: auto; }
.main-header { border-bottom: 1px solid var(--line); padding: 12px 0; }
.navbar-light .navbar-nav .nav-link, .navbar-nav .nav-link { color: #615664; border-radius: 8px; padding: 10px 16px; }
.navbar-nav .nav-link.active { background: var(--brand-light); color: var(--brand); font-weight: 600; }
h1, h2, h3 { font-weight: 650; } h1 { letter-spacing: -.025em; }
.card { border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 5px 22px #49303d08; overflow: hidden; }
.card.card-outline { border-top: 3px solid var(--brand); }
.card-header { background: #fff; border-bottom: 1px solid var(--line); padding: 20px 24px; }
.card-body { padding: 24px; }
.nav-tabs { border-bottom: 1px solid var(--line); background: #fcfafb; }
.nav-tabs .nav-link { padding: 17px 22px; border: 0; border-bottom: 3px solid transparent; color: #615664; }
.nav-tabs .nav-link.active { color: var(--brand); border-bottom-color: var(--brand); font-weight: 600; }
.student-tabs { overflow-x: auto; overflow-y: hidden; margin: 0; }
.student-tabs .nav-item { flex-shrink: 0; margin-bottom: 0; }
.student-tabs .nav-link:focus-visible { outline-offset: -4px; }
.table { color: var(--ink); margin-bottom: 0; }
.table th, .table td { padding: 16px; vertical-align: middle; border-top: 1px solid var(--line); }
.table .thead-light th { color: #665b66; background: #f8f6f8; border-bottom: 1px solid var(--line); font-size: .85rem; }
.table-hover tbody tr:hover { background: #fff8fb; }
.badge { padding: 7px 10px; border-radius: 20px; font-weight: 600; }
.badge-success { background: #e9f6ef; color: #216c45; }.badge-light { background: #f0edf2; color: #615664; }
.btn { border-radius: 8px; font-weight: 600; padding: 9px 16px; }
.btn-primary { background: var(--brand); border-color: var(--brand); }
.btn-primary:hover, .btn-primary:focus { background: #8f1240; border-color: #8f1240; }
.btn-outline-primary { color: var(--brand); border-color: var(--brand); }
.btn-outline-primary:hover, .btn-outline-primary:focus { background: var(--brand); border-color: var(--brand); color: #fff; }
.text-primary { color: var(--brand) !important; }
.form-control { border-radius: 8px; min-height: 44px; border-color: #d9cfd6; }
.form-control:focus { border-color: var(--brand); box-shadow: 0 0 0 3px #b6175118; }
.main-footer { background: #fff; border-top: 1px solid var(--line); color: #716672; font-size: .875rem; padding: 20px 0; }
.balance-value { font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.bank-number { font-size: 1.05rem; line-height: 1.8; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: 100%; max-width: 460px; padding: 32px; border-top: 3px solid var(--brand); }
@media (max-width: 575.98px) {
    .ebok-app .main-header { padding: 8px 0 10px; }
    .ebok-app .main-header > .container { padding-right: 16px; padding-left: 16px; gap: 8px; }
    .ebok-app .navbar-brand { margin: 0; padding: 0; line-height: 1; }
    .ebok-app .main-header .ebok-logo { display: block; width: 64px; height: 64px; object-fit: contain; }
    .ebok-app .main-header > .container > .btn { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 12px; font-size: .875rem; }
    .ebok-app .main-header nav { width: 100%; margin-top: 0; }
    .ebok-app .main-header .navbar-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
    .ebok-app .main-header .nav-link { display: flex; justify-content: center; align-items: center; min-height: 44px; padding: 10px 6px; font-size: .875rem; }
    .ebok-app .content-wrapper > .container { padding: 20px 16px !important; }
    .ebok-app h1.h3 { font-size: 1.5rem; }
    .ebok-app .card-body { padding: 16px; }
    .ebok-app .student-tabs .nav-link { padding: 12px 16px; }
    .ebok-app .table th, .ebok-app .table td { padding: 12px; font-size: .875rem; }
    .ebok-app nav[aria-label^="Strony"] { flex-wrap: wrap; gap: 12px; font-size: .8125rem; }
    .ebok-app nav[aria-label^="Strony"] .btn { padding: 10px; min-height: 44px; font-size: .8125rem; }
    .auth-card { padding: 24px; }
    .main-footer .container { gap: 8px; }
}