/* ===================== Base ===================== */
:root {
    --color-bg: #f4f6f8;
    --color-text: #1f2933;
    --color-muted: #6b7280;
    --color-border: #e2e5e9;
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-ok: #16a34a;
    --color-ok-bg: #eafaf0;
    --color-warning: #d97706;
    --color-warning-bg: #fef6e6;
    --color-error: #dc2626;
    --color-error-bg: #fdecec;
    --color-unknown: #6b7280;
    --color-unknown-bg: #eef0f2;
    --radius: 10px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.5;
}

h1, h2 { margin: 0 0 8px; }
p { margin: 0 0 10px; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.muted { color: var(--color-muted); }
.hint { color: var(--color-muted); font-size: 13px; margin-top: -6px; }

/* ===================== Topbar ===================== */
.topbar {
    background: #fff;
    border-bottom: 1px solid var(--color-border);
}
.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 24px;
}
.brand {
    font-weight: 700;
    font-size: 17px;
    color: var(--color-text);
}
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 16px; flex: 1; }
.nav a { color: var(--color-muted); font-weight: 500; }
.nav a:hover { color: var(--color-text); text-decoration: none; }
.user-box { display: flex; align-items: center; gap: 12px; color: var(--color-muted); }

/* ===================== Layout ===================== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 28px 20px 60px;
}
.footer {
    text-align: center;
    color: var(--color-muted);
    font-size: 13px;
    padding: 20px;
}
.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 10px;
}

/* ===================== Botones ===================== */
.btn {
    display: inline-block;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-block { width: 100%; }
.btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: 14px;
    padding: 0;
}
.btn-danger { color: var(--color-error); }

/* ===================== Alertas ===================== */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-error { background: var(--color-error-bg); color: var(--color-error); }
.alert-info { background: var(--color-ok-bg); color: var(--color-ok); }

/* ===================== Resumen ===================== */
.summary-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}
.summary-pill {
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}
.summary-pill span { font-size: 16px; }
.summary-ok { background: var(--color-ok-bg); color: var(--color-ok); }
.summary-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.summary-error { background: var(--color-error-bg); color: var(--color-error); }
.summary-unknown { background: var(--color-unknown-bg); color: var(--color-unknown); }

/* ===================== Tarjetas de servidor ===================== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}
.server-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 18px;
    border-left: 6px solid var(--color-unknown);
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
}
.server-card.server-inactive { opacity: 0.55; }
.server-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
}
.server-card-head h2 { font-size: 17px; }

.server-card.status-ok { border-left-color: var(--color-ok); }
.server-card.status-warning { border-left-color: var(--color-warning); }
.server-card.status-error { border-left-color: var(--color-error); }
.server-card.status-unknown { border-left-color: var(--color-unknown); }

.badge {
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    white-space: nowrap;
}
.status-ok { background: var(--color-ok-bg); color: var(--color-ok); }
.status-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.status-error { background: var(--color-error-bg); color: var(--color-error); }
.status-unknown { background: var(--color-unknown-bg); color: var(--color-unknown); }

.server-meta {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 10px;
    font-size: 13px;
    margin: 10px 0;
}
.server-meta dt { color: var(--color-muted); }
.server-meta dd { margin: 0; text-align: right; }
.server-message {
    font-size: 12.5px;
    color: var(--color-muted);
    border-top: 1px solid var(--color-border);
    padding-top: 8px;
    margin-top: 4px;
}

.empty-state {
    background: #fff;
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
}

/* ===================== Formularios ===================== */
.panel-box {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
}
.two-col {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 20px;
    align-items: start;
}
@media (max-width: 800px) {
    .two-col { grid-template-columns: 1fr; }
}

label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 5px; }
label:first-of-type { margin-top: 0; }
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}
textarea { resize: vertical; }
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    margin-top: 14px;
}
.checkbox-label input { margin: 0; }
.form-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 18px;
}

/* ===================== Tabla ===================== */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 1px solid var(--color-border);
}
.table th { color: var(--color-muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; }
.table-actions { display: flex; gap: 12px; align-items: center; }
.table-actions form { display: inline; }
code { background: var(--color-unknown-bg); padding: 2px 6px; border-radius: 4px; font-size: 12.5px; }

/* ===================== Login ===================== */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #eef2ff, #f4f6f8);
}
.login-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 10px 30px rgba(16, 24, 40, 0.12);
}