:root {
    color-scheme: light;
    --ink: #102742;
    --muted: #506780;
    --blue: #1257bd;
    --navy: #0c2446;
    --line: #d8e3f0;
    --surface: #fff;
    --background: #f3f7fd;
    --shadow: 0 12px 32px #152e5510;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--background);
    color: var(--ink);
    font: 16px/1.55 system-ui, sans-serif;
}
main { width: min(100% - 2rem, 72rem); margin: clamp(1.4rem, 4vw, 3.4rem) auto; }
.brand {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    color: var(--navy);
    font-weight: 800;
    letter-spacing: .02em;
}
.brand::before {
    content: "";
    width: 1.6rem;
    height: 1.6rem;
    border-radius: .45rem;
    background: linear-gradient(145deg, #8fc9ff 0 46%, #1762ce 47% 100%);
}
h1, h2, h3 { line-height: 1.14; letter-spacing: -.025em; }
h1 { font-size: 2.5rem; font-size: clamp(2rem, 4vw, 3rem); margin: .85rem 0 1.2rem; }
h2 { font-size: 1.4rem; font-size: clamp(1.25rem, 2.5vw, 1.55rem); margin: 0 0 .75rem; }
p { margin: .5rem 0 1rem; }
section, fieldset, .notice {
    min-width: 0;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 1rem;
    margin: 1rem 0;
    padding: clamp(1rem, 3vw, 1.6rem);
}
section { box-shadow: var(--shadow); }
form { margin: .6rem 0 0; }
label { display: block; margin: .6rem 0; font-size: .92rem; font-weight: 700; }
input, select, textarea, button { font: inherit; }
input, select, textarea {
    color: var(--ink);
    background: #fff;
    border: 1px solid #aabed6;
    border-radius: .55rem;
    padding: .62rem .7rem;
    min-height: 2.7rem;
}
label input, label select { display: block; width: 100%; max-width: 34rem; margin-top: .25rem; }
button, .button {
    display: inline-block;
    background: var(--blue);
    color: #fff;
    border: 1px solid transparent;
    border-radius: .55rem;
    padding: .65rem 1rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}
button:hover, .button:hover { background: #0c438f; }
a { color: #124f9e; text-underline-offset: .2em; }
:focus-visible { outline: 3px solid #2a79e1; outline-offset: 3px; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: .65rem 1.1rem; }
nav form { margin: 0; }
.scroll { overflow: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: .7rem .65rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: .84rem; }
td { overflow-wrap: anywhere; }
.notice { border-left: 4px solid var(--blue); overflow-wrap: anywhere; }
code { overflow-wrap: anywhere; }
small, .hint { display: block; color: var(--muted); font-size: .83rem; font-weight: 400; }
.hint { margin-top: .3rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-weight: 750; font-size: .78rem; }
.entry {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.25fr);
    margin: 1rem 0;
    border: 1px solid var(--line);
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--surface);
}
.entry section { border: 0; border-radius: 0; margin: 0; box-shadow: none; }
.entry .entry-aside, .balance {
    background: radial-gradient(ellipse at 100% 15%, #2466a9, transparent 65%), var(--navy);
    color: #fff;
}
.entry .entry-aside { padding: clamp(1.4rem, 4.5vw, 3.5rem); }
.entry .entry-aside h2 { font-size: 2.3rem; font-size: clamp(1.7rem, 4vw, 2.8rem); margin-top: 1rem; }
.entry .entry-aside p { color: #d6e8ff; }
.entry .entry-aside a { color: #e1f0ff; }
.entry .entry-form { padding: clamp(1.4rem, 4vw, 2.8rem); }
.entry-form h2 { margin-bottom: .5rem; }
.entry-form form { margin-top: 1rem; }
.entry-form button { margin-top: .65rem; }
.entry-form nav, .entry-form .after-form { margin-top: 1.3rem; }
.form-grid, .payment-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1rem; }
.payment-grid section { margin-top: 0; }
.balance p { color: #d6e8ff; margin: 0; }
.balance strong { display: block; font-size: 2.5rem; font-size: clamp(2rem, 5vw, 3.25rem); margin: .2rem 0; }
.status {
    display: inline-block;
    padding: .2rem .55rem;
    border-radius: 1rem;
    background: #e9f2ff;
    color: #104b94;
    font-size: .82rem;
    font-weight: 700;
    text-transform: capitalize;
}
.status.completed { background: #e3f5ec; color: #145637; }
.status.declined { background: #fceceb; color: #842f32; }
.admin-nav { background: #e8f0fb; border: 1px solid var(--line); border-radius: .85rem; padding: .75rem 1rem; }
.admin-nav form { margin-left: auto; }
@media (max-width: 680px) {
    .entry, .payment-grid { grid-template-columns: 1fr; }
    .admin-nav form { margin-left: 0; }
}
@media (max-width: 410px) {
    .form-grid { grid-template-columns: 1fr; }
}