:root {
    --azul: #1d5db3;
    --azul-oscuro: #123f80;
    --verde: #1a7f4e;
    --rojo: #b3261d;
    --gris-borde: #d7dbe0;
    --gris-fondo: #f4f6f8;
    --gris-texto: #444;
    --radio: 6px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--gris-fondo);
    color: #1c1e21;
}

a { color: var(--azul); }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.topbar {
    background: var(--azul-oscuro);
    color: #fff;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar h1 { font-size: 18px; margin: 0; }

.topbar-right { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.topbar-right a { color: #fff; text-decoration: underline; }

button, .btn-primary {
    cursor: pointer;
    border: none;
    border-radius: var(--radio);
    padding: 9px 16px;
    font-size: 14px;
    background: var(--azul);
    color: #fff;
}
button:hover, .btn-primary:hover { background: var(--azul-oscuro); }
button:disabled { opacity: .6; cursor: default; }

.btn-primary {
    display: inline-block;
    text-decoration: none;
    margin-bottom: 16px;
}

/* ---- login ---- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.login-card {
    background: #fff;
    border: 1px solid var(--gris-borde);
    border-radius: var(--radio);
    padding: 32px;
    width: 340px;
}
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.subtitle { color: #777; margin: 0 0 20px; font-size: 13px; }
.login-form { display: flex; flex-direction: column; gap: 6px; }
.login-form label { font-size: 13px; font-weight: 600; margin-top: 8px; }
.login-form input { padding: 8px; border: 1px solid var(--gris-borde); border-radius: var(--radio); }
.login-form button { margin-top: 16px; }

/* ---- alerts / tags ---- */
.alert {
    padding: 10px 14px;
    border-radius: var(--radio);
    background: #eef2f7;
    margin: 12px 0;
    font-size: 14px;
}
.alert-ok { background: #e4f6ec; color: var(--verde); }
.alert-error { background: #fbe9e7; color: var(--rojo); }

.tag { padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.tag-pendiente { background: #fff2cc; color: #8a6d00; }
.tag-revisada { background: #e4f6ec; color: var(--verde); }
.tag-alerta { color: var(--rojo); font-weight: 600; }

/* ---- stats ---- */
.stats { display: flex; gap: 16px; margin-bottom: 16px; }
.stat {
    background: #fff;
    border: 1px solid var(--gris-borde);
    border-radius: var(--radio);
    padding: 12px 20px;
    display: flex;
    flex-direction: column;
    min-width: 110px;
}
.stat-num { font-size: 24px; font-weight: 700; }
.stat-pendiente .stat-num { color: #8a6d00; }
.stat-revisada .stat-num { color: var(--verde); }

/* ---- filtros / tabla ---- */
.filtros { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.filtros select, .filtros input {
    padding: 8px; border: 1px solid var(--gris-borde); border-radius: var(--radio); font-size: 14px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--gris-borde);
    border-radius: var(--radio);
    overflow: hidden;
    font-size: 13px;
}
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--gris-borde); }
th { background: #eef2f7; font-weight: 600; }
tr:hover td { background: #f9fbfd; }

/* ---- pantalla de revision ---- */
.panel {
    background: #fff;
    border: 1px solid var(--gris-borde);
    border-radius: var(--radio);
    padding: 18px 22px;
    margin-bottom: 16px;
}
.panel h2 { font-size: 15px; margin: 0 0 12px; color: var(--azul-oscuro); }
.panel-veredicto { border: 2px solid var(--azul); }

.readonly-block { margin-bottom: 12px; }
.readonly-block label, .grid-2 label, .grid-3 label {
    display: block; font-size: 12px; font-weight: 600; color: #666; margin-bottom: 2px;
}
.readonly-block p { margin: 0 0 6px; }

.grid-2, .grid-3 { display: grid; gap: 12px; margin-bottom: 12px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }

input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--gris-borde);
    border-radius: var(--radio);
    font-size: 14px;
    font-family: inherit;
}

.tabla-marcas, .tabla-simple { font-size: 13px; }
.tabla-marcas input, .tabla-marcas select { min-width: 80px; }
.tabla-marcas input[type=number] { width: 80px; }
.celda-marca-correcta { display: flex; gap: 6px; align-items: center; }
.celda-marca-correcta select { min-width: 160px; }
.btn-nueva-marca { background: #fff; color: var(--azul); border: 1px solid var(--azul); padding: 5px 8px; font-size: 12px; }
.btn-nueva-marca:hover { background: #eef2f7; }

.acciones-finales { margin-top: 20px; text-align: right; }
.acciones-finales .btn-primary { font-size: 16px; padding: 12px 28px; }

/* ---- vista personalizada ---- */
.lista-columnas {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 6px 12px;
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid var(--gris-borde);
    border-radius: var(--radio);
    padding: 10px;
}
.lista-columnas-raw { max-height: 340px; margin-top: 8px; }
.chk-columna { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.chk-columna input { width: auto; }