:root {
    --fondo: #f6f7f9;
    --panel: #ffffff;
    --borde: #e2e5ea;
    --texto: #1b1f26;
    --suave: #6b7280;
    --acento: #1f6feb;
    --ok: #128a55;
    --error: #c0392b;
    --aviso: #b45309;
    --radio: 10px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --fondo: #14171c;
        --panel: #1c2128;
        --borde: #2d333b;
        --texto: #e6edf3;
        --suave: #8b949e;
        --acento: #4b93f8;
        --ok: #35b37e;
        --error: #f06a5c;
        --aviso: #d8a13a;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--fondo);
    color: var(--texto);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.oculto { display: none !important; }

/* --- Login --------------------------------------------------------------- */
.login-wrap {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
}

.login-card {
    background: var(--panel);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    padding: 32px;
    width: min(380px, 100%);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.login-card h1 { margin: 0; font-size: 21px; }
.login-card .sub { margin: -10px 0 6px; }

/* --- Layout -------------------------------------------------------------- */
.layout {
    display: grid;
    grid-template-columns: 230px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--panel);
    border-right: 1px solid var(--borde);
    padding: 20px 14px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.marca { font-weight: 600; padding: 0 8px; }

.sidebar nav { display: flex; flex-direction: column; gap: 2px; }

.nav-item {
    text-align: left;
    background: none;
    border: 0;
    color: var(--suave);
    padding: 9px 10px;
    border-radius: 7px;
    cursor: pointer;
    font: inherit;
}

.nav-item:hover { background: var(--fondo); color: var(--texto); }
.nav-item.activo { background: var(--acento); color: #fff; }

.sidebar-pie {
    margin-top: auto;
    font-size: 13px;
    color: var(--suave);
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 8px;
    word-break: break-all;
}

main { padding: 26px 30px; overflow-x: hidden; }

.cabecera {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

h2 { margin: 0 0 4px; font-size: 19px; }
.sub { color: var(--suave); font-size: 13.5px; margin: 0; }

/* --- Controles ----------------------------------------------------------- */
label { display: flex; flex-direction: column; gap: 5px; font-size: 13.5px; color: var(--suave); }

input, select, textarea {
    font: inherit;
    color: var(--texto);
    background: var(--panel);
    border: 1px solid var(--borde);
    border-radius: 7px;
    padding: 8px 10px;
    width: 100%;
}

input:focus, select:focus, textarea:focus { outline: 2px solid var(--acento); outline-offset: -1px; }

.btn {
    font: inherit;
    padding: 8px 14px;
    border-radius: 7px;
    border: 1px solid var(--borde);
    background: var(--panel);
    color: var(--texto);
    cursor: pointer;
}

.btn:hover { border-color: var(--acento); }
.btn.primary { background: var(--acento); border-color: var(--acento); color: #fff; }
.btn.plano { border: 0; background: none; color: var(--suave); padding: 4px 0; text-align: left; }
.btn.plano:hover { color: var(--acento); }
.btn.peligro:hover { border-color: var(--error); color: var(--error); }
.btn.mini { padding: 5px 9px; font-size: 12.5px; }

.filtros {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    align-items: center;
}

.filtros input, .filtros select { width: auto; min-width: 170px; }

/* --- Tarjetas ------------------------------------------------------------ */
.tarjetas { display: grid; gap: 14px; }

.tarjeta {
    background: var(--panel);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    padding: 18px;
}

.form-inline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 18px;
    align-items: end;
}

.form-inline .acciones { grid-column: 1 / -1; display: flex; gap: 10px; }

.bot-cabecera {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.bot-titulo { font-weight: 600; font-size: 16px; }
.bot-user { color: var(--acento); font-size: 13.5px; }

.campo-url {
    display: flex;
    gap: 8px;
    margin-top: 14px;
    align-items: center;
}

.campo-url input {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 12.5px;
}

.etiqueta-campo { font-size: 12px; color: var(--suave); margin-top: 12px; display: block; }

.bot-acciones { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

/* --- Tablas -------------------------------------------------------------- */
.tabla-wrap { overflow-x: auto; border: 1px solid var(--borde); border-radius: var(--radio); background: var(--panel); }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }

th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--borde); vertical-align: top; }
th { color: var(--suave); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: 0; }
td.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; white-space: nowrap; }
td.mensaje { max-width: 520px; white-space: pre-wrap; color: var(--suave); }

.vacio { padding: 30px; text-align: center; color: var(--suave); }

/* --- Estados ------------------------------------------------------------- */
.pildora {
    font-size: 12.5px;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--borde);
    color: var(--suave);
    white-space: nowrap;
}

.estado { font-weight: 600; font-size: 12.5px; }
.estado.active, .estado.sent { color: var(--ok); }
.estado.paused, .estado.no_subscriber { color: var(--aviso); }
.estado.failed, .estado.blocked { color: var(--error); }

.error { color: var(--error); font-size: 13.5px; margin: 0; }

pre.payload {
    background: var(--fondo);
    border: 1px solid var(--borde);
    border-radius: 7px;
    padding: 12px;
    overflow-x: auto;
    font-size: 12.5px;
    margin: 10px 0 0;
    max-height: 260px;
}

.aviso {
    position: fixed;
    right: 20px;
    bottom: 20px;
    background: var(--texto);
    color: var(--fondo);
    padding: 11px 16px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 50;
    max-width: 360px;
}

@media (max-width: 760px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar { border-right: 0; border-bottom: 1px solid var(--borde); }
    .sidebar nav { flex-direction: row; flex-wrap: wrap; }
    .sidebar-pie { flex-direction: row; justify-content: space-between; align-items: center; }
    main { padding: 20px 16px; }
    .form-inline { grid-template-columns: 1fr; }
}