:root {
    --blue: #252879;
    --blue-light: #00A2E3;
    --bg: #f4f5f8;
    --text: #1f2430;
    --border: #d9dce3;
    --danger: #b3261e;
    --success: #1e7a3c;
    font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
}

.topbar {
    background: var(--blue);
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    flex-wrap: wrap;
}

.topbar .brand {
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo-wrap {
    display: flex;
    align-items: center;
}

.brand-logo {
    height: 32px;
    width: auto;
    display: block;
}

.topbar nav a, .topbar nav .nav-user {
    color: #fff;
    margin-left: 1rem;
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.9;
}

.topbar nav a:hover { text-decoration: underline; }

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem;
}

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

h1 { font-size: 1.5rem; color: var(--blue); }
h2 { font-size: 1.2rem; color: var(--blue); }

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

th, td {
    text-align: left;
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.92rem;
}

th { color: #555; font-weight: 600; }

.right { text-align: right; }

form.inline { display: inline; }

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

label > span {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 600;
    color: #444;
}

input[type=text], input[type=password], input[type=date], input[type=number], input[type=file], select, textarea {
    width: 100%;
    padding: 0.55rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
}

.btn {
    display: inline-block;
    background: var(--blue-light);
    color: #fff;
    border: none;
    padding: 0.6rem 1.1rem;
    border-radius: 6px;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover { opacity: 0.92; }
.btn-secondary { background: #6b7280; }
.btn-danger { background: var(--danger); }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.85rem; }

.flash {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.flash-success { background: #e3f5e8; color: var(--success); border: 1px solid #b6e2c3; }
.flash-error { background: #fbe9e7; color: var(--danger); border: 1px solid #f1c3bd; }

.badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}
.badge-abierta { background: #fff3cd; color: #8a6300; }
.badge-cerrada { background: #dcedf7; color: var(--blue); }
.badge-aprobada { background: #e3f5e8; color: var(--success); }
.badge-pendiente { background: #fff3cd; color: #8a6300; }
.badge-rechazada { background: #fbe9e7; color: var(--danger); }

.totales {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}
.totales .item {
    background: #f8f9fb;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
    min-width: 180px;
}
.totales .item span { display: block; font-size: 0.78rem; color: #666; margin-bottom: 0.2rem; }
.totales .item strong { font-size: 1.15rem; }
.saldo-favor-usuario strong { color: var(--success); }
.saldo-favor-empresa strong { color: var(--danger); }

.thumb {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.login-wrap {
    max-width: 380px;
    margin: 4rem auto;
}

.actions-row { display: flex; gap: 0.5rem; align-items: center; }

.helptext { color: #666; font-size: 0.82rem; margin-top: -0.5rem; margin-bottom: 0.9rem; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1.5rem;
}
@media (max-width: 640px) {
    .form-grid { grid-template-columns: 1fr; }
}

.filtros-row th { padding-top: 0; padding-bottom: 0.6rem; }
.filtros-row input, .filtros-row select {
    width: 100%;
    padding: 0.3rem 0.4rem;
    font-size: 0.82rem;
    border: 1px solid var(--border);
    border-radius: 4px;
}