:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --text: #233142;
    --accent: #0e7490;
    --muted: #6b7280;
    --ok: #166534;
    --error: #991b1b;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, sans-serif;
    background: linear-gradient(130deg, #ecfeff, var(--bg));
    color: var(--text);
}

.topbar {
    background: var(--accent);
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 18px;
}

.topbar h1 { margin: 0; font-size: 20px; }
.topbar-right { display: flex; gap: 14px; align-items: center; }
.btn-link { color: #fff; text-decoration: underline; }

.menu {
    display: flex;
    gap: 10px;
    padding: 10px 18px;
    background: #134e4a;
}
.menu a {
    color: #fff;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.12);
    padding: 6px 10px;
    border-radius: 6px;
}

.container {
    max-width: 1100px;
    margin: 15px auto;
    padding: 12px;
}

.card {
    background: var(--card);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 14px;
    box-shadow: 0 8px 22px rgba(17, 24, 39, 0.08);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

form .row {
    display: grid;
    gap: 8px;
    margin-bottom: 8px;
}

input, select, button {
    padding: 8px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
}

button {
    background: var(--accent);
    color: #fff;
    border: none;
    cursor: pointer;
}

button.secondary {
    background: #475569;
}

.btn {
    display: inline-block;
    padding: 8px 12px;
    border-radius: 6px;
    text-decoration: none;
    background: #475569;
    color: #fff;
}

table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    border: 1px solid #e2e8f0;
    padding: 8px;
    font-size: 14px;
}
th {
    background: #f1f5f9;
}

.alert {
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 12px;
}
.alert.success {
    background: #dcfce7;
    color: var(--ok);
}
.alert.error {
    background: #fee2e2;
    color: var(--error);
}
.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 14px;
    font-size: 12px;
    color: white;
}
.tag.activo { background: #15803d; }
.tag.finalizado, .tag.eliminado { background: #b91c1c; }

.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.2);
}

.actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.small { color: var(--muted); font-size: 12px; }

@media (max-width: 800px) {
    .grid-2 { grid-template-columns: 1fr; }
    .menu { flex-wrap: wrap; }
}

@media print {
    body {
        background: #fff;
        color: #000;
    }
    .no-print, .topbar, .menu, button, .btn, form {
        display: none !important;
    }
    .container {
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
        page-break-inside: avoid;
    }
    th, td {
        border-color: #999;
    }
}