:root {
    --bg: #f3efe6;
    --ink: #1c1914;
    --muted: #6b6458;
    --card: #fffdf8;
    --line: #ddd4c4;
    --accent: #0f5c4c;
    --accent-2: #c45c26;
    --danger: #a12828;
    --ok: #1f6b3a;
    --warn: #9a6b12;
    --shadow: 0 10px 30px rgba(28, 25, 20, 0.08);
    --radius: 14px;
    --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--ink);
    background:
        radial-gradient(circle at top left, #fff8e8, transparent 40%),
        linear-gradient(180deg, #efe7d8, var(--bg));
    min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(1100px, calc(100% - 2rem)); margin: 0 auto; }

.top {
    background: #12241f;
    color: #f7f3ea;
    position: sticky;
    top: 0;
    z-index: 10;
}
.top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .9rem 0;
    flex-wrap: wrap;
}
.brand {
    color: #fff;
    font-weight: 700;
    letter-spacing: .02em;
    text-decoration: none;
}
.top nav { display: flex; gap: .35rem; flex-wrap: wrap; }
.top nav a {
    color: #d8d2c4;
    padding: .45rem .75rem;
    border-radius: 999px;
    text-decoration: none;
}
.top nav a.on,
.top nav a:hover {
    background: rgba(255,255,255,.1);
    color: #fff;
}

.page-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 1rem;
    margin: 1.5rem 0 1rem;
    flex-wrap: wrap;
}
.page-head h1 { margin: 0; font-size: 1.7rem; }
.muted { color: var(--muted); }
.reloj { margin: 0; font-size: .95rem; }

.flash {
    padding: .85rem 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}
.flash-ok { background: #e8f6ec; border-color: #b7e0c2; color: var(--ok); }
.flash-error { background: #fdecec; border-color: #f0c2c2; color: var(--danger); }

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .9rem;
    margin-bottom: 1.2rem;
}
.stat {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    box-shadow: var(--shadow);
}
.stat .label { color: var(--muted); font-size: .85rem; }
.stat .value { font-size: 1.45rem; font-weight: 700; margin-top: .25rem; }
.stat.danger .value { color: var(--danger); }
.stat.ok .value { color: var(--ok); }

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.1rem;
    margin-bottom: 1.1rem;
}
.card h2 { margin: 0 0 .9rem; font-size: 1.15rem; }

.grid-2 {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: .95rem;
}
th, td {
    text-align: left;
    padding: .7rem .55rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}
th { color: var(--muted); font-weight: 600; font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: 0; }

.badge {
    display: inline-block;
    padding: .2rem .55rem;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 600;
}
.badge-ok { background: #e7f5ec; color: var(--ok); }
.badge-warn { background: #fff3d6; color: var(--warn); }
.badge-danger { background: #fde8e8; color: var(--danger); }
.badge-muted { background: #eeeae2; color: var(--muted); }

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .8rem;
}
.form-grid .full { grid-column: 1 / -1; }
label {
    display: block;
    font-size: .85rem;
    color: var(--muted);
    margin-bottom: .3rem;
}
input, select, textarea {
    width: 100%;
    padding: .65rem .75rem;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    font: inherit;
    color: var(--ink);
}
textarea { min-height: 80px; resize: vertical; }
.actions {
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
    margin-top: .4rem;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    border: 0;
    border-radius: 10px;
    padding: .65rem 1rem;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    background: var(--accent);
    color: #fff;
}
.btn:hover { filter: brightness(1.05); text-decoration: none; }
.btn-secondary { background: #2d3430; }
.btn-warn { background: var(--accent-2); }
.btn-danger { background: var(--danger); }
.btn-ghost {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--line);
}
.btn-sm { padding: .4rem .7rem; font-size: .85rem; }

.deuda-alta { color: var(--danger); font-weight: 700; }
.deuda-cero { color: var(--ok); font-weight: 700; }

.ayuda {
    background: #f7f1e4;
    border-left: 4px solid var(--accent);
    padding: .8rem 1rem;
    border-radius: 8px;
    color: #3d3830;
    margin-bottom: 1rem;
    font-size: .95rem;
}

.foot {
    padding: 2rem 0 2.5rem;
    color: var(--muted);
}

.empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--muted);
}

@media (max-width: 800px) {
    .stats, .grid-2, .form-grid { grid-template-columns: 1fr; }
    table { display: block; overflow-x: auto; }
}