:root {
    --pr-primary: #c1121f;
    --pr-primary-dark: #780000;
    --pr-bg: #ffffff;
    --pr-white: #ffffff;
    --pr-text: #1f2933;
    --pr-muted: #6b7280;
    --pr-green: #1a7f37;
    --pr-yellow: #b58900;
    --pr-red: #c1121f;
    --pr-border: #e5c8ca;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    background: var(--pr-bg);
    color: var(--pr-text);
}

.pr-header {
    background: var(--pr-primary);
    color: #fff;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    border-bottom: 4px solid var(--pr-primary-dark);
}

.pr-header h1 {
    font-size: 1.1rem;
    margin: 0;
}

.pr-header a { color: #fff; text-decoration: none; }

.pr-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
}

.pr-card {
    background: var(--pr-white);
    border: 1px solid var(--pr-border);
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 20px;
}

.pr-nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.pr-nav a {
    padding: 8px 14px;
    background: var(--pr-white);
    border: 1px solid var(--pr-primary);
    border-radius: 8px;
    text-decoration: none;
    color: var(--pr-primary);
    font-size: 0.9rem;
}

.pr-nav a.active { background: var(--pr-primary); color: #fff; }

label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    margin-top: 16px;
    font-size: 0.9rem;
}

input[type=text], input[type=number], input[type=password], input[type=file],
select, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--pr-border);
    border-radius: 6px;
    font-size: 1rem;
    background: #fff;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--pr-primary);
}

button, .pr-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background: var(--pr-primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.pr-btn-secondary { background: #fff; color: var(--pr-primary); border: 2px solid var(--pr-primary); }
.pr-btn-danger { background: var(--pr-primary-dark); }
.pr-btn-small { padding: 6px 12px; font-size: 0.85rem; margin-top: 0; }

.pr-alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.pr-alert-success { background: #ebfbee; color: var(--pr-green); border: 1px solid #b2f2bb; }
.pr-alert-error { background: #fff0f0; color: var(--pr-primary-dark); border: 1px solid #f3b8bb; }
.pr-alert-info { background: #fdf2f2; color: var(--pr-primary-dark); border: 1px solid #e5c8ca; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--pr-border); text-align: left; }
th { background: #fdf2f2; color: var(--pr-primary-dark); }

.pr-badge { padding: 3px 10px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; display: inline-block; }
.pr-badge-pago { background: #ebfbee; color: var(--pr-green); }
.pr-badge-a_final { background: #fff9db; color: var(--pr-yellow); }
.pr-badge-inicio { background: #fdf2f2; color: var(--pr-primary-dark); }
.pr-badge-no_pago { background: #fff0f0; color: var(--pr-primary-dark); }
.pr-badge-pendiente { background: #fff9db; color: var(--pr-yellow); }
.pr-badge-aprobado { background: #ebfbee; color: var(--pr-green); }
.pr-badge-rechazado { background: #fff0f0; color: var(--pr-primary-dark); }
.pr-badge-facturado { background: #ebfbee; color: var(--pr-green); }
.pr-badge-anulada { background: #fff0f0; color: var(--pr-primary-dark); }

.pr-comprobante-img { max-width: 220px; border-radius: 6px; border: 1px solid var(--pr-border); }

.pr-table-wrap { overflow-x: auto; }

.pr-muted { color: var(--pr-muted); font-size: 0.85rem; }

footer { text-align: center; padding: 20px; color: var(--pr-muted); font-size: 0.8rem; }