*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: #f4f5f7;
    color: #1f2430;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background: #1f2430;
    color: #fff;
}

nav a { color: #fff; text-decoration: none; margin-right: 1rem; }
nav a:hover { text-decoration: underline; }
nav .brand a { font-weight: 700; font-size: 1.15rem; letter-spacing: 0.03em; }
nav .links { display: flex; align-items: center; flex-wrap: wrap; }
nav form { display: inline; }

button.link {
    background: none;
    border: none;
    color: #aab4cf;
    cursor: pointer;
    font-size: 0.95rem;
    padding: 0;
}
button.link:hover { text-decoration: underline; }

main {
    flex: 1;
    width: 100%;
    max-width: 60rem;
    margin: 0 auto;
    padding: 1.25rem;
}

.card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 3px rgb(0 0 0 / 0.08);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.card.narrow { max-width: 26rem; margin-left: auto; margin-right: auto; }
.card.center { text-align: center; }

h1, h2, h3 { margin-top: 0; }

label { display: block; margin-bottom: 0.75rem; font-weight: 600; font-size: 0.9rem; }

input, select {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    padding: 0.55rem 0.7rem;
    font-size: 1rem;
    font-weight: 400;
    border: 1px solid #c9cfdb;
    border-radius: 6px;
    background: #fff;
}

button {
    background: #2657d6;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.6rem 1.1rem;
    font-size: 1rem;
    cursor: pointer;
}
button:hover { background: #1e46ad; }

.clock-btn {
    font-size: 1.5rem;
    padding: 1.1rem 3.5rem;
    border-radius: 999px;
    margin: 1rem 0;
}
.clock-btn.in { background: #14803c; }
.clock-btn.in:hover { background: #0f6630; }
.clock-btn.out { background: #b3541e; }
.clock-btn.out:hover { background: #934317; }

.status { padding: 0.6rem 0.9rem; border-radius: 6px; display: inline-block; }
.status.ok { background: #e2f4e8; color: #14803c; }
.status.warn { background: #fdf0e4; color: #8a4a12; }

.flash {
    background: #e7edff;
    color: #21398a;
    border-radius: 6px;
    padding: 0.7rem 1rem;
    margin-bottom: 1rem;
}

.error { color: #b02a37; margin: 0.25rem 0; font-size: 0.9rem; }
.muted { color: #6b7280; font-size: 0.9rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid #e5e8ef; }
th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: #6b7280; }

.badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge.network_verified { background: #e2f4e8; color: #14803c; }
.badge.pending_network { background: #fdf0e4; color: #8a4a12; }
.badge.manual { background: #e7edff; color: #21398a; }
.badge.voided { background: #ececec; color: #6b7280; }
.badge.absence { background: #f3e8ff; color: #6b21a8; }

tr.voided td { color: #9aa1af; }
tr.voided td:nth-child(-n+5) { text-decoration: line-through; }

button.danger { background: #b02a37; }
button.danger:hover { background: #8f222d; }

form.inline { display: flex; gap: 0.6rem; align-items: end; flex-wrap: wrap; }
form.inline label { margin-bottom: 0; }
form.inline select { width: auto; }

.month-nav {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
}
.month-nav h1 { margin: 0; }

tr.weekend td { color: #9aa1af; background: #fafbfc; }
tr.total td { border-top: 2px solid #c9cfdb; border-bottom: none; }

footer { text-align: center; color: #9aa1af; font-size: 0.85rem; padding: 1rem; }

@media (max-width: 40rem) {
    main { padding: 0.75rem; }
    .card { padding: 1rem; }
}